diff options
Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany')
22 files changed, 3351 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringBeanElement.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringBeanElement.java new file mode 100644 index 0000000000..86902e5104 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringBeanElement.java @@ -0,0 +1,76 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Represents a <bean> element in a Spring application-context
+ * - this has id and className attributes
+ * - plus zero or more property elements as children
+ *
+ * @version $Rev: 512919 $ $Date: 2007-02-28 19:32:56 +0000 (Wed, 28 Feb 2007) $
+ */
+public class SpringBeanElement {
+
+ private String id;
+ private String className;
+ private boolean innerBean = false;
+ private List<SpringPropertyElement> properties = new ArrayList<SpringPropertyElement>();
+ private List<SpringConstructorArgElement> constructorargs = new ArrayList<SpringConstructorArgElement>();
+
+ public SpringBeanElement(String id, String className) {
+ this.id = id;
+ this.className = className;
+ }
+
+ public String getClassName() {
+ return className;
+ }
+
+ public String getId() {
+ return id;
+ }
+
+ public List<SpringPropertyElement> getProperties() {
+ return properties;
+ }
+
+ public void addProperty(SpringPropertyElement property) {
+ properties.add(property);
+ }
+
+ public List<SpringConstructorArgElement> getCustructorArgs() {
+ return constructorargs;
+ }
+
+ public void addCustructorArgs(SpringConstructorArgElement args) {
+ constructorargs.add(args);
+ }
+
+ public boolean isInnerBean() {
+ return innerBean;
+ }
+
+ public void setInnerBean(boolean innerBean) {
+ this.innerBean = innerBean;
+ }
+
+} // end class SpringBeanElement
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringConstructorArgElement.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringConstructorArgElement.java new file mode 100644 index 0000000000..b644a69c15 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringConstructorArgElement.java @@ -0,0 +1,78 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Represents a <constructor-arg> element in a Spring application-context
+ * - this has ref attribute
+ *
+ * @version $Rev: 512919 $ $Date: 2007-02-28 19:32:56 +0000 (Wed, 28 Feb 2007) $
+ */
+public class SpringConstructorArgElement {
+
+ private String ref;
+ private String type;
+ private int autoIndex = -1;
+ private int index = -1;
+ private List<String> values = new ArrayList<String>();
+
+ public SpringConstructorArgElement(String ref, String type) {
+ this.ref = ref;
+ this.type = type;
+ }
+
+ public String getType() {
+ return this.type;
+ }
+
+ public String getRef() {
+ return this.ref;
+ }
+
+ public void setRef(String ref) {
+ this.ref = ref;
+ }
+
+ public int getIndex() {
+ return this.index;
+ }
+
+ public void setIndex(int index) {
+ this.index = index;
+ }
+
+ public int getAutoIndex() {
+ return this.autoIndex;
+ }
+
+ public void setAutoIndex(int index) {
+ this.autoIndex = index;
+ }
+
+ public List<String> getValues() {
+ return this.values;
+ }
+
+ public void addValue(String value) {
+ this.values.add(value);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementation.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementation.java new file mode 100644 index 0000000000..61b707b1e1 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementation.java @@ -0,0 +1,226 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring;
+
+import java.net.URL;
+import java.util.Hashtable;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Extensible;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.builder.ComponentPreProcessor;
+import org.apache.tuscany.sca.assembly.impl.ImplementationImpl;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * Represents a Spring implementation.
+ *
+ * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $
+ */
+public class SpringImplementation extends ImplementationImpl implements Implementation, ComponentPreProcessor, Extensible {
+
+ // The location attribute which points to the Spring application-context XML file
+ private String location;
+ // The application-context file as a Spring Resource
+ private List<URL> resource;
+ private ComponentType componentType;
+ // Mapping of Services to Beans
+ private Hashtable<String, SpringBeanElement> serviceMap;
+ // Mapping of property names to Java class
+ private Hashtable<String, Class> propertyMap;
+ // List of unresolved bean property references
+ private Hashtable<String, Reference> unresolvedBeanRef;
+
+ private ClassLoader classLoader;
+
+ public SpringImplementation() {
+ this.location = null;
+ this.resource = null;
+ setUnresolved(true);
+ serviceMap = new Hashtable<String, SpringBeanElement>();
+ propertyMap = new Hashtable<String, Class>();
+ unresolvedBeanRef = new Hashtable<String, Reference>();
+ } // end method SpringImplementation
+
+ /* Returns the location attribute for this Spring implementation */
+ public String getLocation() {
+ return location;
+ }
+
+ /**
+ * Sets the location attribute for this Spring implementation
+ * location - a URI to the Spring application-context file
+ */
+ public void setLocation(String location) {
+ this.location = location;
+ return;
+ }
+
+ public void setResource(List<URL> resource) {
+ this.resource = resource;
+ }
+
+ public List<URL> getResource() {
+ return resource;
+ }
+
+ /*
+ * Returns the componentType for this Spring implementation
+ */
+ public ComponentType getComponentType() {
+ return componentType;
+ }
+
+ /*
+ * Sets the componentType for this Spring implementation
+ */
+ public void setComponentType(ComponentType componentType) {
+ this.componentType = componentType;
+ }
+
+ @Override
+ public List<Service> getServices() {
+ return componentType.getServices();
+ }
+
+ @Override
+ public List<Reference> getReferences() {
+ return componentType.getReferences();
+ }
+
+ @Override
+ public List<Property> getProperties() {
+ return componentType.getProperties();
+ }
+
+ /**
+ * Returns the Spring Bean which implements a particular service
+ * @param service the service
+ * @return the bean which implements the service, as a SpringBeanElement
+ */
+ public SpringBeanElement getBeanFromService(Service service) {
+ SpringBeanElement theBean = serviceMap.get(service.getName());
+ return theBean;
+ }
+
+ /**
+ * Sets the mapping from a service to the Spring Bean that implements the service
+ * @param service the service
+ * @param theBean a SpringBeanElement for the Bean implementing the service
+ */
+ public void setBeanForService(Service service, SpringBeanElement theBean) {
+ serviceMap.put(service.getName(), theBean);
+ }
+
+ /**
+ * Add a mapping from a SCA property name to a Java class for the property
+ * @param propertyName
+ * @param propertyClass
+ */
+ public void setPropertyClass(String propertyName, Class propertyClass) {
+ if (propertyName == null || propertyClass == null)
+ return;
+ propertyMap.put(propertyName, propertyClass);
+ return;
+ } // end method setPropertyClass
+
+ /**
+ * Gets the Java Class for an SCA property
+ * @param propertyName - the property name
+ * @return - a Class object for the type of the property
+ */
+ public Class getPropertyClass(String propertyName) {
+ return propertyMap.get(propertyName);
+ } // end method getPropertyClass
+
+ public void setUnresolvedBeanRef(String refName, Reference reference) {
+ if (refName == null || reference == null)
+ return;
+ unresolvedBeanRef.put(refName, reference);
+ return;
+ } // end method setUnresolvedBeanRef
+
+ public Reference getUnresolvedBeanRef(String refName) {
+ return unresolvedBeanRef.get(refName);
+ } // end method getUnresolvedBeanRef
+
+
+ /**
+ * Use preProcess to validate and map the references and properties dynamically
+ */
+ public void preProcess(Component component) {
+ if (!(component instanceof RuntimeComponent))
+ return;
+
+ RuntimeComponent rtc = (RuntimeComponent) component;
+
+ for (Reference reference : rtc.getReferences()) {
+ if (unresolvedBeanRef.containsKey(reference.getName())) {
+ Reference ref = unresolvedBeanRef.get(reference.getName());
+ componentType.getReferences().add(
+ createReference(reference, ref.getInterfaceContract()));
+ unresolvedBeanRef.remove(reference.getName());
+ }
+ }
+
+ for (Property property : rtc.getProperties()) {
+ if (unresolvedBeanRef.containsKey(property.getName())) {
+ componentType.getProperties().add(createProperty(property));
+ this.setPropertyClass(property.getName(), property.getClass());
+ unresolvedBeanRef.remove(property.getName());
+ }
+ }
+ }
+
+ protected Reference createReference(Reference reference, InterfaceContract interfaze) {
+ Reference newReference;
+ try {
+ newReference = (Reference)reference.clone();
+ if (newReference.getInterfaceContract() == null)
+ newReference.setInterfaceContract(interfaze);
+ } catch (CloneNotSupportedException e) {
+ throw new AssertionError(e); // should not ever happen
+ }
+ return newReference;
+ }
+
+ protected Property createProperty(Property property) {
+ Property newProperty;
+ try {
+ newProperty = (Property)property.clone();
+ } catch (CloneNotSupportedException e) {
+ throw new AssertionError(e); // should not ever happen
+ }
+ return newProperty;
+ }
+
+ public ClassLoader getClassLoader() {
+ return classLoader;
+ }
+
+ public void setClassLoader(ClassLoader classLoader) {
+ this.classLoader = classLoader;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementationConstants.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementationConstants.java new file mode 100644 index 0000000000..339e753c04 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementationConstants.java @@ -0,0 +1,64 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.implementation.spring;
+
+import javax.xml.namespace.QName;
+
+/**
+ * Constants used in Spring Application Context XML files.
+ */
+public interface SpringImplementationConstants {
+
+ String SCA_NS = "http://www.springframework.org/schema/sca";
+ String SPRING_NS = "http://www.springframework.org/schema/beans";
+
+ String PROPERTY = "property";
+ QName SCAPROPERTY_ELEMENT = new QName(SCA_NS, PROPERTY);
+ QName PROPERTY_ELEMENT = new QName(SPRING_NS, PROPERTY);
+
+ String SERVICE = "service";
+ QName SERVICE_ELEMENT = new QName(SCA_NS, SERVICE);
+
+ String REFERENCE = "reference";
+ QName REFERENCE_ELEMENT = new QName(SCA_NS, REFERENCE);
+
+ String BEANS = "beans";
+ QName BEANS_ELEMENT = new QName(SPRING_NS, BEANS);
+
+ String IMPORT = "import";
+ QName IMPORT_ELEMENT = new QName(SPRING_NS, IMPORT);
+
+ String BEAN = "bean";
+ QName BEAN_ELEMENT = new QName(SPRING_NS, BEAN);
+
+ String CONSTRUCTORARG = "constructor-arg";
+ QName CONSTRUCTORARG_ELEMENT = new QName(SPRING_NS, CONSTRUCTORARG);
+
+ String LIST = "list";
+ QName LIST_ELEMENT = new QName(SPRING_NS, LIST);
+
+ String VALUE = "value";
+ QName VALUE_ELEMENT = new QName(SPRING_NS, VALUE);
+
+ String REF = "ref";
+ QName REF_ELEMENT = new QName(SPRING_NS, REF);
+
+ String APPLICATION_CONTEXT = "application-context.xml";
+}
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringPropertyElement.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringPropertyElement.java new file mode 100644 index 0000000000..c6637d31c4 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringPropertyElement.java @@ -0,0 +1,61 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Represents a <property> element in a Spring application-context
+ * - this has name and ref attributes
+ *
+ * @version $Rev: 512919 $ $Date: 2007-02-28 19:32:56 +0000 (Wed, 28 Feb 2007) $
+ */
+public class SpringPropertyElement {
+
+ private String name;
+ private String ref;
+ private List<String> values = new ArrayList<String>();
+
+ public SpringPropertyElement(String name, String ref) {
+ this.name = name;
+ this.ref = ref;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public String getRef() {
+ return ref;
+ }
+
+ public void setRef(String ref) {
+ this.ref = ref;
+ }
+
+ public List<String> getValues() {
+ return this.values;
+ }
+
+ public void addValue(String value) {
+ this.values.add(value);
+ }
+
+} // end class SpringPropertyElement
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringSCAPropertyElement.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringSCAPropertyElement.java new file mode 100644 index 0000000000..c666217777 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringSCAPropertyElement.java @@ -0,0 +1,52 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring;
+
+/**
+ * Represents an <sca:property> element in a Spring application-context
+ * - this has name and type attributes
+ * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $
+ */
+public class SpringSCAPropertyElement {
+
+ private String name;
+ private String type;
+
+ public SpringSCAPropertyElement(String name, String type) {
+ this.name = name;
+ this.type = type;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setType(String type) {
+ this.type = type;
+ }
+
+ public String getType() {
+ return type;
+ }
+
+} // end class SpringPropertyElement
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringSCAReferenceElement.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringSCAReferenceElement.java new file mode 100644 index 0000000000..5b6206ef9b --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringSCAReferenceElement.java @@ -0,0 +1,54 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring;
+
+/**
+ * Represents a <sca:reference> element in a Spring application-context
+ * - this has id and className attributes
+ * - plus zero or more property elements as children
+ *
+ * @version $Rev: 512919 $ $Date: 2007-02-28 19:32:56 +0000 (Wed, 28 Feb 2007) $
+ */
+public class SpringSCAReferenceElement {
+
+ private String name;
+ private String type;
+
+ public SpringSCAReferenceElement(String name, String type) {
+ this.name = name;
+ this.type = type;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setType(String type) {
+ this.type = type;
+ }
+
+ public String getType() {
+ return type;
+ }
+
+} // end class SpringSCAReferenceElement
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringSCAServiceElement.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringSCAServiceElement.java new file mode 100644 index 0000000000..774bc051d3 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringSCAServiceElement.java @@ -0,0 +1,64 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring;
+
+/**
+ * Represents a <sca:service> element in a Spring application-context
+ * - this has id and className attributes
+ * - plus zero or more property elements as children
+ *
+ * @version $Rev: 512919 $ $Date: 2007-02-28 19:32:56 +0000 (Wed, 28 Feb 2007) $
+ */
+public class SpringSCAServiceElement {
+
+ private String name;
+ private String type;
+ private String target;
+
+ public SpringSCAServiceElement(String name, String type, String target) {
+ this.name = name;
+ this.type = type;
+ this.target = target;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setType(String type) {
+ this.type = type;
+ }
+
+ public String getType() {
+ return type;
+ }
+
+ public void setTarget(String target) {
+ this.target = target;
+ }
+
+ public String getTarget() {
+ return target;
+ }
+
+} // end class SpringSCAServiceElement
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanIntrospector.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanIntrospector.java new file mode 100644 index 0000000000..c74d4abed9 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanIntrospector.java @@ -0,0 +1,135 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring.introspect;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
+import org.apache.tuscany.sca.implementation.java.DefaultJavaImplementationFactory;
+import org.apache.tuscany.sca.implementation.java.IntrospectionException;
+import org.apache.tuscany.sca.implementation.java.JavaImplementation;
+import org.apache.tuscany.sca.implementation.java.JavaImplementationFactory;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.BaseJavaClassVisitor;
+import org.apache.tuscany.sca.implementation.java.introspect.JavaClassVisitor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.ComponentNameProcessor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.ConstructorProcessor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.ContextProcessor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.DestroyProcessor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.EagerInitProcessor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.InitProcessor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.PolicyProcessor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.PropertyProcessor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.ReferenceProcessor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.ResourceProcessor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.ServiceProcessor;
+import org.apache.tuscany.sca.implementation.spring.SpringConstructorArgElement;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.policy.PolicyFactory;
+
+/**
+ * Provides introspection functions for Spring beans
+ * This version leans heavily on the implementation-java classes
+ *
+ * @version $Rev: 512919 $ $Date: 2007-02-28 19:32:56 +0000 (Wed, 28 Feb 2007) $
+ */
+public class SpringBeanIntrospector {
+
+ private JavaImplementationFactory javaImplementationFactory;
+
+ /**
+ * The constructor sets up the various visitor elements that will be used to introspect
+ * the Spring bean and extract SCA information.
+ *
+ * @param assemblyFactory The Assembly Factory to use
+ * @param javaFactory The Java Interface Factory to use
+ * @param policyFactory The Policy Factory to use.
+ */
+ public SpringBeanIntrospector(AssemblyFactory assemblyFactory,
+ JavaInterfaceFactory javaFactory,
+ PolicyFactory policyFactory,
+ List<SpringConstructorArgElement> conArgs) {
+
+ javaImplementationFactory = new DefaultJavaImplementationFactory();
+
+ // Create the list of class visitors
+ BaseJavaClassVisitor[] extensions =
+ new BaseJavaClassVisitor[] {
+ new ConstructorProcessor(assemblyFactory),
+ new ComponentNameProcessor(assemblyFactory),
+ new ContextProcessor(assemblyFactory),
+ new DestroyProcessor(assemblyFactory),
+ new EagerInitProcessor(assemblyFactory),
+ new InitProcessor(assemblyFactory),
+ new PropertyProcessor(assemblyFactory),
+ new ReferenceProcessor(assemblyFactory, javaFactory),
+ new ResourceProcessor(assemblyFactory),
+ new ServiceProcessor(assemblyFactory, javaFactory),
+ new SpringBeanPojoProcessor(assemblyFactory, javaFactory, conArgs),
+ new PolicyProcessor(assemblyFactory, policyFactory)};
+ for (JavaClassVisitor extension : extensions) {
+ javaImplementationFactory.addClassVisitor(extension);
+ }
+
+ } // end constructor
+
+ /**
+ * Introspect a Spring Bean and extract the features important to SCA
+ * @param beanClass the Spring Bean class to introspect
+ * @param componentType the componentType that is filled in through the introspection
+ * process (assumed empty on invocation, filled on return
+ * @return a Map of property names to JavaElementImpl
+ * @throws ContributionResolveException - if there was a problem resolving the
+ * Spring Bean or its componentType
+ *
+ */
+ public JavaImplementation introspectBean(Class<?> beanClass, ComponentType componentType) throws ContributionResolveException
+ {
+ if (componentType == null)
+ throw new ContributionResolveException("Introspect Spring bean: supplied componentType is null");
+
+ // Create a Java implementation ready for the introspection
+ JavaImplementation javaImplementation = javaImplementationFactory.createJavaImplementation();
+
+ try {
+ // Introspect the bean...the results of the introspection are placed into the Java implementation
+ javaImplementationFactory.createJavaImplementation(javaImplementation, beanClass);
+
+ // Extract the services, references & properties found through introspection
+ // put the services, references and properties into the component type
+ componentType.getServices().addAll(javaImplementation.getServices());
+ componentType.getReferences().addAll(javaImplementation.getReferences());
+ componentType.getProperties().addAll(javaImplementation.getProperties());
+
+ } catch (IntrospectionException e) {
+ throw new ContributionResolveException(e);
+ } // end try
+
+ /* List<Service> services = javaImplementation.getServices();
+ for (Service service : services) {
+ String name = service.getName();
+ System.out.println("Spring Bean: found service with name: " + name);
+ } // end for */
+
+ return javaImplementation;
+
+ } // end method introspectBean
+
+} // end class SpringBeanIntrospector
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java new file mode 100644 index 0000000000..732557e4ea --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java @@ -0,0 +1,656 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring.introspect;
+
+import static org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper.getAllInterfaces;
+import static org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper.getAllPublicAndProtectedFields;
+import static org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper.getAllUniquePublicProtectedMethods;
+import static org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper.getPrivateFields;
+import static org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper.toPropertyName;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Member;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.lang.reflect.Type;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.jws.WebService;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Contract;
+import org.apache.tuscany.sca.assembly.Multiplicity;
+import org.apache.tuscany.sca.implementation.java.IntrospectionException;
+import org.apache.tuscany.sca.implementation.java.impl.JavaConstructorImpl;
+import org.apache.tuscany.sca.implementation.java.impl.JavaElementImpl;
+import org.apache.tuscany.sca.implementation.java.JavaImplementation;
+import org.apache.tuscany.sca.implementation.java.impl.JavaParameterImpl;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.BaseJavaClassVisitor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.AmbiguousConstructorException;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.InvalidServiceType;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.NoConstructorException;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.Resource;
+import org.apache.tuscany.sca.implementation.spring.SpringConstructorArgElement;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.util.JavaXMLMapper;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Context;
+import org.osoa.sca.annotations.Property;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Heuristically evaluates an un-annotated Java implementation type to determine
+ * services, references, and properties according to the algorithm described in
+ * the SCA Java Client and Implementation Model Specification <p/> TODO
+ * Implement: <p/> When no service interface is annotated, need to calculate a
+ * single service comprising all public methods that are not reference or
+ * property injection sites. If that service can be exactly mapped to an
+ * interface implemented by the class then the service interface will be defined
+ * in terms of that interface.
+ *
+ * @version $Rev: 689426 $ $Date: 2008-08-27 14:56:06 +0530 (Wed, 27 Aug 2008) $
+ */
+public class SpringBeanPojoProcessor extends BaseJavaClassVisitor {
+ private JavaInterfaceFactory javaFactory;
+ private List<SpringConstructorArgElement> conArgs;
+
+ public SpringBeanPojoProcessor(AssemblyFactory assemblyFactory, JavaInterfaceFactory javaFactory, List<SpringConstructorArgElement> conArgs) {
+ super(assemblyFactory);
+ this.javaFactory = javaFactory;
+ this.conArgs = conArgs;
+ }
+
+ @Override
+ public <T> void visitEnd(Class<T> clazz, JavaImplementation type) throws IntrospectionException {
+ List<org.apache.tuscany.sca.assembly.Service> services = type.getServices();
+ if (services.isEmpty()) {
+ // heuristically determine the service
+ /**
+ * The following is quoted from Java Specification 1.2.1.3. Introspecting services offered by a Java implementation
+ * In the cases described below, the services offered by a Java implementation class may be determined
+ * through introspection, eliding the need to specify them using @Service. The following algorithm is used
+ * to determine how services are introspected from an implementation class:
+ *
+ * If the interfaces of the SCA services are not specified with the @Service annotation on the
+ * implementation class, it is assumed that all implemented interfaces that have been annotated
+ * as @Remotable are the service interfaces provided by the component. If none of the implemented
+ * interfaces is remotable, then by default the implementation offers a single service whose type
+ * is the implementation class.
+ */
+ Set<Class> interfaces = getAllInterfaces(clazz);
+ for (Class<?> i : interfaces) {
+ if (i.isAnnotationPresent(Remotable.class) || i.isAnnotationPresent(WebService.class)) {
+ addService(type, i);
+ }
+ }
+ if (services.isEmpty()) {
+ // class is the interface
+ addService(type, clazz);
+ }
+ }
+ Set<Method> methods = getAllUniquePublicProtectedMethods(clazz, false);
+ if (!type.getReferenceMembers().isEmpty() || !type.getPropertyMembers().isEmpty()) {
+ // references and properties have been explicitly defined
+ // if (type.getServices().isEmpty()) {
+ // calculateServiceInterface(clazz, type, methods);
+ // if (type.getServices().isEmpty()) {
+ // throw new ServiceTypeNotFoundException(clazz.getName());
+ // }
+ // }
+ evaluateConstructor(type, clazz);
+ return;
+ }
+ calcPropRefs(methods, services, type, clazz);
+ evaluateConstructor(type, clazz);
+ }
+
+ private void addService(JavaImplementation type, Class<?> clazz) throws IntrospectionException {
+ try {
+ org.apache.tuscany.sca.assembly.Service service = createService(clazz);
+ type.getServices().add(service);
+ } catch (InvalidInterfaceException e) {
+ throw new IntrospectionException(e);
+ }
+ }
+
+ private boolean isPublicSetter(Method method) {
+ return method.getParameterTypes().length == 1 && Modifier.isPublic(method.getModifiers())
+ && method.getName().startsWith("set")
+ && method.getReturnType() == void.class;
+ }
+
+ private boolean isProtectedSetter(Method method) {
+ return method.getParameterTypes().length == 1 && Modifier.isProtected(method.getModifiers())
+ && method.getName().startsWith("set")
+ && method.getReturnType() == void.class;
+ }
+
+ private <T> void calcPropRefs(Set<Method> methods,
+ List<org.apache.tuscany.sca.assembly.Service> services,
+ JavaImplementation type,
+ Class<T> clazz) throws IntrospectionException {
+ // heuristically determine the properties references
+ // make a first pass through all public methods with one param
+ Set<String> setters = new HashSet<String>();
+ Set<String> others = new HashSet<String>();
+ for (Method method : methods) {
+ if (!isPublicSetter(method)) {
+ continue;
+ }
+ if (method.isAnnotationPresent(Callback.class) || method.isAnnotationPresent(Context.class)) {
+ // Add the property name as others
+ others.add(toPropertyName(method.getName()));
+ continue;
+ }
+ if (!isInServiceInterface(method, services)) {
+ // Not part of the service interface
+ String name = toPropertyName(method.getName());
+ setters.add(name);
+ // avoid duplicate property or ref names
+ if (!type.getPropertyMembers().containsKey(name) && !type.getReferenceMembers().containsKey(name)) {
+ Class<?> param = method.getParameterTypes()[0];
+ Type genericType = method.getGenericParameterTypes()[0];
+ if (isReferenceType(param, genericType)) {
+ type.getReferences().add(createReference(name, param));
+ type.getReferenceMembers().put(name, new JavaElementImpl(method, 0));
+ } else {
+ type.getProperties().add(createProperty(name, param));
+ type.getPropertyMembers().put(name, new JavaElementImpl(method, 0));
+ }
+ }
+ }
+ }
+ // second pass for protected methods with one param
+ for (Method method : methods) {
+ if (!isProtectedSetter(method)) {
+ continue;
+ }
+ if (method.isAnnotationPresent(Callback.class) || method.isAnnotationPresent(Context.class)) {
+ // Add the property name as others
+ others.add(toPropertyName(method.getName()));
+ continue;
+ }
+ Class<?> param = method.getParameterTypes()[0];
+ String name = toPropertyName(method.getName());
+ setters.add(name);
+ // avoid duplicate property or ref names
+ if (isReferenceType(param, method.getGenericParameterTypes()[0])) {
+ if (!type.getReferenceMembers().containsKey(name)) {
+ type.getReferences().add(createReference(name, param));
+ type.getReferenceMembers().put(name, new JavaElementImpl(method, 0));
+ }
+ } else {
+ if (!type.getPropertyMembers().containsKey(name)) {
+ type.getProperties().add(createProperty(name, param));
+ type.getPropertyMembers().put(name, new JavaElementImpl(method, 0));
+ }
+ }
+ }
+
+ // Public or protected fields unless there is a public or protected
+ // setter method
+ // for the same name
+ Set<Field> fields = getAllPublicAndProtectedFields(clazz, false);
+ for (Field field : fields) {
+ if (field.isAnnotationPresent(Callback.class) || field.isAnnotationPresent(Context.class)) {
+ continue;
+ }
+ if (setters.contains(field.getName()) || others.contains(field.getName())) {
+ continue;
+ }
+ String name = field.getName();
+ Class<?> paramType = field.getType();
+ if (isReferenceType(paramType, field.getGenericType())) {
+ if (!type.getReferenceMembers().containsKey(name)) {
+ type.getReferences().add(createReference(name, paramType));
+ type.getReferenceMembers().put(name, new JavaElementImpl(field));
+ }
+ } else {
+ if (!type.getPropertyMembers().containsKey(name)) {
+ type.getProperties().add(createProperty(name, paramType));
+ type.getPropertyMembers().put(name, new JavaElementImpl(field));
+ }
+ }
+ }
+
+ // Private fields unless there is a public or protected
+ // setter method for the same name
+ Set<Field> privateFields = getPrivateFields(clazz);
+ for (Field field : privateFields) {
+ if (field.isAnnotationPresent(Callback.class) || field.isAnnotationPresent(Context.class)) {
+ continue;
+ }
+ if (setters.contains(field.getName()) || others.contains(field.getName())) {
+ continue;
+ }
+ String name = field.getName();
+ Class<?> paramType = field.getType();
+ if (isReferenceType(paramType, field.getGenericType())) {
+ if (!type.getReferenceMembers().containsKey(name)) {
+ type.getReferences().add(createReference(name, paramType));
+ type.getReferenceMembers().put(name, new JavaElementImpl(field));
+ }
+ } else {
+ if (!type.getPropertyMembers().containsKey(name)) {
+ type.getProperties().add(createProperty(name, paramType));
+ type.getPropertyMembers().put(name, new JavaElementImpl(field));
+ }
+ }
+ }
+ }
+
+ /**
+ * Determines the constructor to use based on the component type's
+ * references and properties
+ *
+ * @param type the component type
+ * @param clazz the implementation class corresponding to the component type
+ * @throws NoConstructorException if no suitable constructor is found
+ * @throws AmbiguousConstructorException if the parameters of a constructor
+ * cannot be unambiguously mapped to references and properties
+ */
+ @SuppressWarnings("unchecked")
+ private <T> void evaluateConstructor(JavaImplementation type, Class<T> clazz) throws IntrospectionException {
+ // determine constructor if one is not annotated
+ JavaConstructorImpl<?> definition = type.getConstructor();
+ Map<String, JavaElementImpl> props = type.getPropertyMembers();
+ Map<String, JavaElementImpl> refs = type.getReferenceMembers();
+ Constructor constructor;
+ boolean explict = false;
+ if (definition != null && definition.getConstructor()
+ .isAnnotationPresent(org.osoa.sca.annotations.Constructor.class)) {
+ // the constructor was already defined explicitly
+ return;
+ } else if (definition != null) {
+ explict = true;
+ constructor = definition.getConstructor();
+ } else {
+ // no definition, heuristically determine constructor
+ Constructor[] constructors = clazz.getConstructors();
+ if (constructors.length == 0) {
+ throw new NoConstructorException("No public constructor for class");
+ } else if (constructors.length == 1) {
+ // Only one constructor, take it
+ constructor = constructors[0];
+ } else {
+ // multiple constructors scenario
+ Constructor<T> selected = null;
+ for (Constructor<T> ctor : constructors) {
+ if (ctor.getParameterTypes().length == 0) {
+ selected = ctor;
+ } else if (ctor.getParameterTypes().length == conArgs.size()) {
+ // we will find a constructor which has atleast one
+ // reference or property as its parameter types.
+ Class<?>[] parametersTypes = ctor.getParameterTypes();
+ for (Class<?> pType: parametersTypes) {
+ for (JavaElementImpl property : props.values()) {
+ if (pType.equals(property.getType()))
+ selected = ctor;
+ }
+ for (JavaElementImpl reference : refs.values()) {
+ if (pType.equals(reference.getType()))
+ selected = ctor;
+ }
+ }
+ }
+ }
+ if (selected == null) {
+ throw new NoConstructorException();
+ }
+ constructor = selected;
+ }
+ definition = type.getConstructors().get(constructor);
+ type.setConstructor(definition);
+ }
+
+ JavaParameterImpl[] parameters = definition.getParameters();
+ if (parameters.length == 0) {
+ return;
+ }
+
+ Annotation[][] annotations = constructor.getParameterAnnotations();
+ if (!explict) {
+ // the constructor wasn't defined by an annotation, so check to see
+ // if any of the params have an annotation
+ // which we can impute as explicitly defining the constructor, e.g.
+ // @Property, @Reference, or @Autowire
+ explict = injectionAnnotationsPresent(annotations);
+ }
+ if (explict) {
+ for (int i = 0; i < parameters.length; i++) {
+ if (isAnnotated(parameters[i])) {
+ continue;
+ } else if (!findReferenceOrProperty(parameters[i], props, refs)) {
+ throw new AmbiguousConstructorException(parameters[i].toString());
+ }
+ }
+ } else {
+ if (!areUnique(parameters)) {
+ throw new AmbiguousConstructorException("Cannot resolve non-unique parameter types, use @Constructor");
+ }
+ if (!calcPropRefUniqueness(props.values(), refs.values())) {
+ throw new AmbiguousConstructorException("Cannot resolve non-unique parameter types, use @Constructor");
+ }
+ if (!(props.isEmpty() && refs.isEmpty())) {
+ calcParamNames(parameters, props, refs);
+ } else {
+ heuristicParamNames(type, parameters);
+
+ }
+ }
+ }
+
+ private void calcParamNames(JavaParameterImpl[] parameters,
+ Map<String, JavaElementImpl> props,
+ Map<String, JavaElementImpl> refs) throws AmbiguousConstructorException {
+ // the constructor param types must unambiguously match defined
+ // reference or property types
+ for (JavaParameterImpl param : parameters) {
+ if (!findReferenceOrProperty(param, props, refs)) {
+ throw new AmbiguousConstructorException(param.getName());
+ }
+ }
+ }
+
+ private void heuristicParamNames(JavaImplementation type, JavaParameterImpl[] parameters)
+ throws IntrospectionException {
+ // heuristically determine refs and props from the parameter types
+ for (JavaParameterImpl p : parameters) {
+ String name = p.getType().getSimpleName().toLowerCase();
+ if (isReferenceType(p.getType(), p.getGenericType())) {
+ type.getReferences().add(createReference(name, p.getType()));
+ p.setClassifer(Reference.class);
+ type.getReferenceMembers().put(name, p);
+ } else {
+ type.getProperties().add(createProperty(name, p.getType()));
+ p.setClassifer(Property.class);
+ type.getPropertyMembers().put(name, p);
+ }
+ p.setName(name);
+ }
+ }
+
+ private static boolean areUnique(Class[] collection) {
+ Set<Class> set = new HashSet<Class>(Arrays.asList(collection));
+ return set.size() == collection.length;
+ }
+
+ /**
+ * Returns true if the union of the given collections of properties and
+ * references have unique Java types
+ */
+ private boolean calcPropRefUniqueness(Collection<JavaElementImpl> props, Collection<JavaElementImpl> refs) {
+
+ Class[] classes = new Class[props.size() + refs.size()];
+ int i = 0;
+ for (JavaElementImpl property : props) {
+ classes[i] = property.getType();
+ i++;
+ }
+ for (JavaElementImpl reference : refs) {
+ classes[i] = reference.getType();
+ i++;
+ }
+ return areUnique(classes);
+ }
+
+ /**
+ * Unambiguously finds the reference or property associated with the given
+ * type
+ *
+ * @return the name of the reference or property if found, null if not
+ * @throws AmbiguousConstructorException if the constructor parameter cannot
+ * be resolved to a property or reference
+ */
+ private boolean findReferenceOrProperty(JavaParameterImpl parameter,
+ Map<String, JavaElementImpl> props,
+ Map<String, JavaElementImpl> refs) throws AmbiguousConstructorException {
+
+ boolean found = false;
+ if (!"".equals(parameter.getName())) {
+ // Match by name
+ JavaElementImpl prop = props.get(parameter.getName());
+ if (prop != null && prop.getType() == parameter.getType()) {
+ parameter.setClassifer(Property.class);
+ return true;
+ }
+ JavaElementImpl ref = refs.get(parameter.getName());
+ if (ref != null && ref.getType() == parameter.getType()) {
+ parameter.setClassifer(Reference.class);
+ return true;
+ }
+ }
+ for (JavaElementImpl property : props.values()) {
+ if (property.getType() == parameter.getType()) {
+ if (found) {
+ throw new AmbiguousConstructorException("Ambiguous property or reference for constructor type",
+ (Member)parameter.getAnchor());
+ }
+ parameter.setClassifer(Property.class);
+ parameter.setName(property.getName());
+ found = true;
+ // do not break since ambiguities must be checked, i.e. more
+ // than one prop or ref of the same type
+ }
+ }
+ for (JavaElementImpl reference : refs.values()) {
+ if (reference.getType() == parameter.getType()) {
+ if (found) {
+ throw new AmbiguousConstructorException("Ambiguous property or reference for constructor type",
+ (Member)parameter.getAnchor());
+ }
+ parameter.setClassifer(Reference.class);
+ parameter.setName(reference.getName());
+ found = true;
+ // do not break since ambiguities must be checked, i.e. more
+ // than one prop or ref of the same type
+ }
+ }
+ return found;
+ }
+
+ /**
+ * Returns true if a given type is reference according to the SCA
+ * specification rules for determining reference types The following rules
+ * are used to determine whether an unannotated field or setter method is a
+ * property or reference:
+ * <ol>
+ * <li>If its type is simple, then it is a property.
+ * <li>If its type is complex, then if the type is an interface marked by
+ *
+ * @Remotable, then it is a reference; otherwise, it is a property.
+ * <li>Otherwise, if the type associated with the member is an
+ * array or a java.util.Collection, the basetype is the element
+ * type of the array or the parameterized type of the
+ * Collection; otherwise the basetype is the member type. If the
+ * basetype is an interface with an
+ * @Remotable or
+ * @Service annotation then the member is defined as a reference. Otherwise,
+ * it is defined as a property.
+ * </ol>
+ * <p>
+ * The name of the reference or of the property is derived from the
+ * name found on the setter method or on the field.
+ */
+ private boolean isReferenceType(Class<?> cls, Type genericType) {
+ Class<?> baseType = JavaIntrospectionHelper.getBaseType(cls, genericType);
+ return baseType.isInterface() && baseType.isAnnotationPresent(Remotable.class);
+ }
+
+ /**
+ * Returns true if the given operation is defined in the collection of
+ * service interfaces
+ */
+ private boolean isInServiceInterface(Method operation, List<org.apache.tuscany.sca.assembly.Service> services) {
+ for (org.apache.tuscany.sca.assembly.Service service : services) {
+ Interface interface1 = service.getInterfaceContract().getInterface();
+ if (interface1 instanceof JavaInterface) {
+ Class<?> clazz = ((JavaInterface)interface1).getJavaClass();
+ if (isMethodMatched(clazz, operation)) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Test if the class declares a method which matches the signature of the
+ * given method
+ *
+ * @param clazz
+ * @param method
+ * @return
+ */
+ private boolean isMethodMatched(Class<?> clazz, Method method) {
+ if (method.getDeclaringClass() == clazz) {
+ return true;
+ }
+ Method[] methods = clazz.getMethods();
+ for (Method m : methods) {
+ if (JavaIntrospectionHelper.exactMethodMatch(method, m)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Creates a mapped property.
+ *
+ * @param name the property name
+ * @param paramType the property type
+ */
+ private org.apache.tuscany.sca.assembly.Property createProperty(String name, Class<?> paramType) {
+ org.apache.tuscany.sca.assembly.Property property = assemblyFactory.createProperty();
+ property.setName(name);
+ property.setXSDType(JavaXMLMapper.getXMLType(paramType));
+ return property;
+ }
+
+ private boolean isAnnotated(JavaParameterImpl parameter) {
+ for (Annotation annotation : parameter.getAnnotations()) {
+ Class<? extends Annotation> annotType = annotation.annotationType();
+ if (annotType.equals(Property.class) || annotType.equals(Reference.class)
+ || annotType.equals(Resource.class)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ public boolean areUnique(JavaParameterImpl[] parameters) {
+ Set<Class> set = new HashSet<Class>(parameters.length);
+ for (JavaParameterImpl p : parameters) {
+ if (!set.add(p.getType())) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ public org.apache.tuscany.sca.assembly.Reference createReference(String name, Class<?> paramType)
+ throws IntrospectionException {
+ org.apache.tuscany.sca.assembly.Reference reference = assemblyFactory.createReference();
+ reference.setName(name);
+ JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
+ reference.setInterfaceContract(interfaceContract);
+ try {
+ JavaInterface callInterface = javaFactory.createJavaInterface(paramType);
+ reference.getInterfaceContract().setInterface(callInterface);
+ if (callInterface.getCallbackClass() != null) {
+ JavaInterface callbackInterface = javaFactory.createJavaInterface(callInterface.getCallbackClass());
+ reference.getInterfaceContract().setCallbackInterface(callbackInterface);
+ }
+ reference.setMultiplicity(Multiplicity.ZERO_ONE);
+ } catch (InvalidInterfaceException e1) {
+ throw new IntrospectionException(e1);
+ }
+
+ // FIXME: This part seems to have already been taken care above!!
+ try {
+ processCallback(paramType, reference);
+ } catch (InvalidServiceType e) {
+ throw new IntrospectionException(e);
+ }
+ return reference;
+ }
+
+ public org.apache.tuscany.sca.assembly.Service createService(Class<?> interfaze) throws InvalidInterfaceException {
+ org.apache.tuscany.sca.assembly.Service service = assemblyFactory.createService();
+ service.setName(interfaze.getSimpleName());
+
+ JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
+ service.setInterfaceContract(interfaceContract);
+
+ JavaInterface callInterface = javaFactory.createJavaInterface(interfaze);
+ service.getInterfaceContract().setInterface(callInterface);
+ if (callInterface.getCallbackClass() != null) {
+ JavaInterface callbackInterface = javaFactory.createJavaInterface(callInterface.getCallbackClass());
+ service.getInterfaceContract().setCallbackInterface(callbackInterface);
+ }
+
+ Interface javaInterface = service.getInterfaceContract().getInterface();
+ javaInterface.setRemotable(interfaze.getAnnotation(Remotable.class) != null);
+ service.getInterfaceContract().setInterface(javaInterface);
+ return service;
+ }
+
+ public void processCallback(Class<?> interfaze, Contract contract) throws InvalidServiceType {
+ Callback callback = interfaze.getAnnotation(Callback.class);
+ if (callback != null && !Void.class.equals(callback.value())) {
+ Class<?> callbackClass = callback.value();
+ JavaInterface javaInterface;
+ try {
+ javaInterface = javaFactory.createJavaInterface(callbackClass);
+ contract.getInterfaceContract().setCallbackInterface(javaInterface);
+ } catch (InvalidInterfaceException e) {
+ throw new InvalidServiceType("Invalid callback interface "+callbackClass, interfaze);
+ }
+ } else if (callback != null && Void.class.equals(callback.value())) {
+ throw new InvalidServiceType("No callback interface specified on annotation", interfaze);
+ }
+ }
+
+ public boolean injectionAnnotationsPresent(Annotation[][] annots) {
+ for (Annotation[] annotations : annots) {
+ for (Annotation annotation : annotations) {
+ Class<? extends Annotation> annotType = annotation.annotationType();
+ if (annotType.equals(Property.class) || annotType.equals(Reference.class)
+ || annotType.equals(Resource.class)) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java new file mode 100644 index 0000000000..581cf5d330 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java @@ -0,0 +1,859 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring.introspect;
+
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.jar.Attributes;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+import java.util.jar.Manifest;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Multiplicity;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.contribution.Artifact;
+import org.apache.tuscany.sca.contribution.ContributionFactory;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.resolver.ClassReference;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.service.ContributionReadException;
+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
+import org.apache.tuscany.sca.implementation.java.JavaImplementation;
+import org.apache.tuscany.sca.implementation.java.impl.JavaConstructorImpl;
+import org.apache.tuscany.sca.implementation.java.impl.JavaElementImpl;
+import org.apache.tuscany.sca.implementation.java.impl.JavaParameterImpl;
+import org.apache.tuscany.sca.implementation.spring.SpringBeanElement;
+import org.apache.tuscany.sca.implementation.spring.SpringConstructorArgElement;
+import org.apache.tuscany.sca.implementation.spring.SpringImplementation;
+import org.apache.tuscany.sca.implementation.spring.SpringImplementationConstants;
+import org.apache.tuscany.sca.implementation.spring.SpringPropertyElement;
+import org.apache.tuscany.sca.implementation.spring.SpringSCAPropertyElement;
+import org.apache.tuscany.sca.implementation.spring.SpringSCAReferenceElement;
+import org.apache.tuscany.sca.implementation.spring.SpringSCAServiceElement;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.interfacedef.util.JavaXMLMapper;
+import org.apache.tuscany.sca.policy.PolicyFactory;
+
+/**
+ * Introspects a Spring XML application-context configuration file to create <implementation-spring../>
+ * component type information.
+ *
+ *
+ * @version $Rev: 512919 $ $Date: 2007-02-28 19:32:56 +0000 (Wed, 28 Feb 2007) $
+ */
+public class SpringXMLComponentTypeLoader {
+ private XMLInputFactory xmlInputFactory;
+ private ContributionFactory contributionFactory;
+ private AssemblyFactory assemblyFactory;
+ private JavaInterfaceFactory javaFactory;
+ private PolicyFactory policyFactory;
+
+ private SpringBeanIntrospector beanIntrospector;
+
+ public SpringXMLComponentTypeLoader(ModelFactoryExtensionPoint factories,
+ AssemblyFactory assemblyFactory,
+ JavaInterfaceFactory javaFactory,
+ PolicyFactory policyFactory) {
+ super();
+ this.assemblyFactory = assemblyFactory;
+ this.javaFactory = javaFactory;
+ this.policyFactory = policyFactory;
+ this.contributionFactory = factories.getFactory(ContributionFactory.class);
+ this.xmlInputFactory = factories.getFactory(XMLInputFactory.class);
+ }
+
+ protected Class<SpringImplementation> getImplementationClass() {
+ return SpringImplementation.class;
+ }
+
+ /**
+ * Base method which loads the component type from the application-context attached to the
+ * Spring implementation
+ *
+ */
+ public void load(SpringImplementation implementation, ModelResolver resolver) throws ContributionReadException {
+ //System.out.println("Spring TypeLoader - load method start");
+ ComponentType componentType = implementation.getComponentType();
+ /* Check that there is a component type object already set */
+ if (componentType == null) {
+ throw new ContributionReadException("SpringXMLLoader load: implementation has no ComponentType object");
+ }
+ if (componentType.isUnresolved()) {
+ /* Fetch the location of the application-context file from the implementation */
+ loadFromXML(implementation, resolver);
+ if (!componentType.isUnresolved())
+ implementation.setUnresolved(false);
+ } // end if
+ //System.out.println("Spring TypeLoader - load method complete");
+ } // end method load
+
+
+ private Class<?> resolveClass(ModelResolver resolver, String className) throws ClassNotFoundException {
+ ClassReference classReference = new ClassReference(className);
+ classReference = resolver.resolveModel(ClassReference.class, classReference);
+ if (classReference.isUnresolved()) {
+ throw new ClassNotFoundException(className);
+ }
+ Class<?> javaClass = classReference.getJavaClass();
+ return javaClass;
+ }
+
+ /**
+ * Method which fills out the component type for a Spring implementation by reading the
+ * Spring application-context.xml file.
+ *
+ * @param implementation SpringImplementation into which to load the component type information
+ * @throws ContributionReadException Failed to read the contribution
+ */
+ private void loadFromXML(SpringImplementation implementation, ModelResolver resolver) throws ContributionReadException {
+ XMLStreamReader reader;
+ List<SpringBeanElement> beans = new ArrayList<SpringBeanElement>();
+ List<SpringSCAServiceElement> services = new ArrayList<SpringSCAServiceElement>();
+ List<SpringSCAReferenceElement> references = new ArrayList<SpringSCAReferenceElement>();
+ List<SpringSCAPropertyElement> scaproperties = new ArrayList<SpringSCAPropertyElement>();
+
+ URL resource;
+ List<URL> contextResources = new ArrayList<URL>();
+ String contextPath = implementation.getLocation();
+
+ try {
+ resource = resolveLocation(resolver, contextPath);
+ contextResources = getApplicationContextResource(resource);
+
+ implementation.setClassLoader(new ContextClassLoader(resolver));
+ implementation.setResource(contextResources);
+ // The URI is used to uniquely identify the Implementation
+ implementation.setURI(resource.toString());
+
+ for (URL contextResource : contextResources) {
+ reader = xmlInputFactory.createXMLStreamReader(contextResource.openStream());
+ // System.out.println("Spring TypeLoader - starting to read context file");
+ readContextDefinition(resolver, reader, contextPath, beans, services, references, scaproperties);
+
+ reader.close();
+ }
+
+ } catch (IOException e) {
+ throw new ContributionReadException(e);
+ } catch (XMLStreamException e) {
+ throw new ContributionReadException(e);
+ }
+
+ /* At this point, the complete application-context.xml file has been read and its contents */
+ /* stored in the lists of beans, services, references. These are now used to generate */
+ /* the implied componentType for the application context */
+ generateComponentType(implementation, resolver, beans, services, references, scaproperties);
+
+ return;
+ } // end method loadFromXML
+
+
+ private URL resolveLocation(ModelResolver resolver, String contextPath) throws MalformedURLException,
+ ContributionReadException {
+ URL resource = null;
+ URI uri = URI.create(contextPath);
+ if (!uri.isAbsolute()) {
+ Artifact artifact = contributionFactory.createArtifact();
+ artifact.setUnresolved(true);
+ artifact.setURI(contextPath);
+ artifact = resolver.resolveModel(Artifact.class, artifact);
+ if (!artifact.isUnresolved()) {
+ resource = new URL(artifact.getLocation());
+ } else {
+ throw new ContributionReadException("Location cannot be resloved: " + contextPath);
+ }
+ } else {
+ resource = new URL(contextPath);
+ }
+ return resource;
+ }
+
+ /**
+ * Method which returns the XMLStreamReader for the Spring application-context.xml file
+ * specified in the location attribute
+ */
+ private XMLStreamReader getApplicationContextReader(ModelResolver resolver, String location) throws ContributionReadException {
+
+ try {
+ URL resource = getApplicationContextResource(resolveLocation(resolver, location)).get(0);
+ XMLStreamReader reader =
+ xmlInputFactory.createXMLStreamReader(resource.openStream());
+ return reader;
+ } catch (IOException e) {
+ throw new ContributionReadException(e);
+ } catch (XMLStreamException e) {
+ throw new ContributionReadException(e);
+ }
+ }
+
+ /**
+ * Method which reads the spring context definitions from Spring application-context.xml
+ * file and identifies the defined beans, properties, services and references
+ */
+ private void readContextDefinition(ModelResolver resolver,
+ XMLStreamReader reader,
+ String contextPath,
+ List<SpringBeanElement> beans,
+ List<SpringSCAServiceElement> services,
+ List<SpringSCAReferenceElement> references,
+ List<SpringSCAPropertyElement> scaproperties) throws ContributionReadException {
+
+ SpringBeanElement bean = null;
+
+ try {
+ boolean completed = false;
+ while (!completed) {
+ switch (reader.next()) {
+ case START_ELEMENT:
+ QName qname = reader.getName();
+ //System.out.println("Spring TypeLoader - found element with name: " + qname.toString());
+ if (SpringImplementationConstants.IMPORT_ELEMENT.equals(qname)) {
+ //FIXME - put the sequence of code below which gets the ireader into a subsidiary method
+ String location = reader.getAttributeValue(null, "resource");
+ if (location != null) {
+ // FIXME - need to find a right way of generating this path
+ String resourcePath = contextPath.substring(0, contextPath.lastIndexOf("/")+1) + location;
+ XMLStreamReader ireader = getApplicationContextReader(resolver, resourcePath);
+ // Read the context definition for the identified imported resource
+ readContextDefinition(resolver, ireader, contextPath, beans, services, references, scaproperties);
+ }
+ } else if (SpringImplementationConstants.SERVICE_ELEMENT.equals(qname)) {
+ SpringSCAServiceElement service =
+ new SpringSCAServiceElement(reader.getAttributeValue(null, "name"), reader
+ .getAttributeValue(null, "type"), reader.getAttributeValue(null, "target"));
+ services.add(service);
+ } else if (SpringImplementationConstants.REFERENCE_ELEMENT.equals(qname)) {
+ SpringSCAReferenceElement reference =
+ new SpringSCAReferenceElement(reader.getAttributeValue(null, "name"), reader
+ .getAttributeValue(null, "type"));
+ references.add(reference);
+ } else if (SpringImplementationConstants.SCAPROPERTY_ELEMENT.equals(qname)) {
+ SpringSCAPropertyElement scaproperty =
+ new SpringSCAPropertyElement(reader.getAttributeValue(null, "name"), reader
+ .getAttributeValue(null, "type"));
+ scaproperties.add(scaproperty);
+ } else if (SpringImplementationConstants.BEAN_ELEMENT.equals(qname)) {
+ bean = new SpringBeanElement(reader.getAttributeValue(null, "id"), reader
+ .getAttributeValue(null, "class"));
+ beans.add(bean);
+ // Read the <bean> element and its child elements
+ readBeanDefinition(resolver, reader, contextPath, bean, beans, services, references, scaproperties);
+ } // end if*/
+ break;
+ case END_ELEMENT:
+ if (SpringImplementationConstants.BEANS_ELEMENT.equals(reader.getName())) {
+ //System.out.println("Spring TypeLoader - finished read of context file");
+ completed = true;
+ break;
+ } // end if
+ } // end switch
+ } // end while
+ } catch (XMLStreamException e) {
+ throw new ContributionReadException(e);
+ }
+ }
+
+
+ /**
+ * Method which reads the bean definitions from Spring application-context.xml file and identifies
+ * the defined beans, properties, services and references
+ */
+ private void readBeanDefinition(ModelResolver resolver,
+ XMLStreamReader reader,
+ String contextPath,
+ SpringBeanElement bean,
+ List<SpringBeanElement> beans,
+ List<SpringSCAServiceElement> services,
+ List<SpringSCAReferenceElement> references,
+ List<SpringSCAPropertyElement> scaproperties) throws ContributionReadException {
+
+ SpringBeanElement innerbean = null;
+ SpringPropertyElement property = null;
+ SpringConstructorArgElement constructorArg = null;
+ int autoConstructorIndex = -1;
+
+ try {
+ boolean completed = false;
+ while (!completed) {
+ switch (reader.next()) {
+ case START_ELEMENT:
+ QName qname = reader.getName();
+ if (SpringImplementationConstants.BEAN_ELEMENT.equals(qname)) {
+ innerbean = new SpringBeanElement(reader.getAttributeValue(null, "id"), reader
+ .getAttributeValue(null, "class"));
+ innerbean.setInnerBean(true);
+ beans.add(innerbean);
+ readBeanDefinition(resolver, reader, contextPath, innerbean, beans, services, references, scaproperties);
+ } else if (SpringImplementationConstants.PROPERTY_ELEMENT.equals(qname)) {
+ property = new SpringPropertyElement(reader.getAttributeValue(null, "name"), reader
+ .getAttributeValue(null, "ref"));
+ bean.addProperty(property);
+ } else if (SpringImplementationConstants.CONSTRUCTORARG_ELEMENT.equals(qname)) {
+ constructorArg = new SpringConstructorArgElement(reader.getAttributeValue(null, "ref"),
+ reader.getAttributeValue(null, "type"));
+ autoConstructorIndex++;
+ constructorArg.setAutoIndex(autoConstructorIndex);
+ if (reader.getAttributeValue(null, "index") != null)
+ constructorArg.setIndex((new Integer(reader.getAttributeValue(null, "index"))).intValue());
+ if (reader.getAttributeValue(null, "value") != null) {
+ String value = reader.getAttributeValue(null, "value");
+ constructorArg.addValue(value);
+ }
+ bean.addCustructorArgs(constructorArg);
+ } else if (SpringImplementationConstants.REF_ELEMENT.equals(qname)) {
+ String ref = reader.getAttributeValue(null, "bean");
+ // Check if the parent element is a property
+ if (property != null) property.setRef(ref);
+ // Check if the parent element is a constructor-arg
+ if (constructorArg != null) constructorArg.setRef(ref);
+ } else if (SpringImplementationConstants.VALUE_ELEMENT.equals(qname)) {
+ String value = reader.getElementText();
+ // Check if the parent element is a constructor-arg
+ if (constructorArg != null)
+ constructorArg.addValue(value);
+ } // end if
+ break;
+ case END_ELEMENT:
+ if (SpringImplementationConstants.BEAN_ELEMENT.equals(reader.getName())) {
+ completed = true;
+ break;
+ } else if (SpringImplementationConstants.PROPERTY_ELEMENT.equals(reader.getName())) {
+ property = null;
+ } else if (SpringImplementationConstants.CONSTRUCTORARG_ELEMENT.equals(reader.getName())) {
+ constructorArg = null;
+ } // end if
+ } // end switch
+ } // end while
+ } catch (XMLStreamException e) {
+ throw new ContributionReadException(e);
+ }
+ }
+
+ /**
+ * Generates the Spring implementation component type from the configuration contained in the
+ * lists of beans, services, references and scaproperties derived from the application context
+ */
+ private void generateComponentType(SpringImplementation implementation,
+ ModelResolver resolver,
+ List<SpringBeanElement> beans,
+ List<SpringSCAServiceElement> services,
+ List<SpringSCAReferenceElement> references,
+ List<SpringSCAPropertyElement> scaproperties) throws ContributionReadException {
+ /*
+ * 1. Each sca:service becomes a service in the component type
+ * 2. Each sca:reference becomes a reference in the component type
+ * 3. Each sca:property becomes a property in the component type
+ * 4. IF there are no explicit service elements, each bean becomes a service
+ * 5. Each bean property which is a reference not pointing at another bean in the
+ * application context becomes a reference unless it is pointing at one of the references
+ * 6. Each bean property which is not a reference and which is not pointing
+ * at another bean in the application context becomes a property in the component type
+ */
+
+ JavaImplementation javaImplementation = null;
+ ComponentType componentType = implementation.getComponentType();
+
+ try {
+ // Deal with the services first....
+ Iterator<SpringSCAServiceElement> its = services.iterator();
+ while (its.hasNext()) {
+ SpringSCAServiceElement serviceElement = its.next();
+ Class<?> interfaze = resolveClass(resolver, serviceElement.getType());
+ Service theService = createService(interfaze, serviceElement.getName());
+ // Spring allows duplication of bean definitions in multiple context scenario,
+ // in such cases, the latest bean definition overrides the older ones, hence
+ // we will remove any older definition and use the latest.
+ Service duplicate = null;
+ for (Service service : componentType.getServices()) {
+ if (service.getName().equals(theService.getName()))
+ duplicate = service;
+ }
+ if (duplicate != null)
+ componentType.getServices().remove(duplicate);
+ componentType.getServices().add(theService);
+ // Add this service to the Service / Bean map
+ String beanName = serviceElement.getTarget();
+ for (SpringBeanElement beanElement : beans) {
+ if (beanName.equals(beanElement.getId())) {
+ implementation.setBeanForService(theService, beanElement);
+ }
+ } // end for
+ } // end while
+
+ // Next handle the references
+ Iterator<SpringSCAReferenceElement> itr = references.iterator();
+ while (itr.hasNext()) {
+ SpringSCAReferenceElement referenceElement = itr.next();
+ Class<?> interfaze = resolveClass(resolver, referenceElement.getType());
+ Reference theReference = createReference(interfaze, referenceElement.getName());
+ // Override the older bean definition with the latest ones.
+ Reference duplicate = null;
+ for (Reference reference : componentType.getReferences()) {
+ if (reference.getName().equals(theReference.getName()))
+ duplicate = reference;
+ }
+ if (duplicate != null)
+ componentType.getReferences().remove(duplicate);
+ componentType.getReferences().add(theReference);
+ } // end while
+
+ // Next handle the properties
+ Iterator<SpringSCAPropertyElement> itsp = scaproperties.iterator();
+ while (itsp.hasNext()) {
+ SpringSCAPropertyElement scaproperty = itsp.next();
+ // Create a component type property if the SCA property element has a name
+ // and a type declared...
+ if (scaproperty.getType() != null && scaproperty.getName() != null) {
+ Property theProperty = assemblyFactory.createProperty();
+ theProperty.setName(scaproperty.getName());
+ // Get the Java class and then an XSD element type for the property
+ Class<?> propType = Class.forName(scaproperty.getType());
+ theProperty.setXSDType(JavaXMLMapper.getXMLType(propType));
+ // Override the older bean definition with the latest ones.
+ Property duplicate = null;
+ for (Property property : componentType.getProperties()) {
+ if (property.getName().equals(theProperty.getName()))
+ duplicate = property;
+ }
+ if (duplicate != null)
+ componentType.getProperties().remove(duplicate);
+ componentType.getProperties().add(theProperty);
+ // Remember the Java Class (ie the type) for this property
+ implementation.setPropertyClass(theProperty.getName(), propType);
+ } // end if
+ } // end while
+
+ // Finally deal with the beans
+ Iterator<SpringBeanElement> itb;
+ // If there are no explicit service elements, then expose all the beans
+ if (services.isEmpty()) {
+ itb = beans.iterator();
+ // Loop through all the beans found
+ while (itb.hasNext()) {
+ SpringBeanElement beanElement = itb.next();
+ // If its a innerBean, ignore it
+ if (beanElement.isInnerBean()) continue;
+ // Load the Spring bean class
+ Class<?> beanClass = resolveClass(resolver, beanElement.getClassName());
+ // Introspect the bean
+ beanIntrospector =
+ new SpringBeanIntrospector(assemblyFactory, javaFactory, policyFactory, beanElement.getCustructorArgs());
+ ComponentType beanComponentType = assemblyFactory.createComponentType();
+ javaImplementation = beanIntrospector.introspectBean(beanClass, beanComponentType);
+ // Set the service name as bean name
+ for (Service componentService : beanComponentType.getServices())
+ componentService.setName(beanElement.getId());
+ // Get the service interface defined by this Spring Bean and add to
+ // the component type of the Spring Assembly
+ List<Service> beanServices = beanComponentType.getServices();
+ componentType.getServices().addAll(beanServices);
+ // Add these services to the Service / Bean map
+ for (Service beanService : beanServices) {
+ implementation.setBeanForService(beanService, beanElement);
+ }
+ } // end while
+ } // end if
+
+ itb = beans.iterator();
+ while (itb.hasNext()) {
+ SpringBeanElement beanElement = itb.next();
+ // Ignore if the bean has no properties and constructor arguments
+ if (beanElement.getProperties().isEmpty() && beanElement.getCustructorArgs().isEmpty())
+ continue;
+
+ Class<?> beanClass = resolveClass(resolver, beanElement.getClassName());
+ // Introspect the bean
+ beanIntrospector =
+ new SpringBeanIntrospector(assemblyFactory, javaFactory, policyFactory, beanElement.getCustructorArgs());
+ ComponentType beanComponentType = assemblyFactory.createComponentType();
+ javaImplementation = beanIntrospector.introspectBean(beanClass, beanComponentType);
+ Map<String, JavaElementImpl> propertyMap = javaImplementation.getPropertyMembers();
+ JavaConstructorImpl constructor = javaImplementation.getConstructor();
+ // Get the references by this Spring Bean and add the unresolved ones to
+ // the component type of the Spring Assembly
+ List<Reference> beanReferences = beanComponentType.getReferences();
+ List<Property> beanProperties = beanComponentType.getProperties();
+
+ Iterator<SpringPropertyElement> itp = beanElement.getProperties().iterator();
+ while (itp.hasNext()) {
+ SpringPropertyElement propertyElement = itp.next();
+ if (propertyRefUnresolved(propertyElement.getRef(), beans, references, scaproperties)) {
+ // This means an unresolved reference from the spring bean...
+ for (Reference reference : beanReferences) {
+ if (propertyElement.getName().equals(reference.getName())) {
+ // The name of the reference in this case is the string in
+ // the @ref attribute of the Spring property element, NOT the
+ // name of the field in the Spring bean....
+ reference.setName(propertyElement.getRef());
+ componentType.getReferences().add(reference);
+ } // end if
+ } // end for
+
+ // Store the unresolved references as unresolvedBeanRef in the Spring Implementation type
+ for (Property scaproperty : beanProperties) {
+ if (propertyElement.getName().equals(scaproperty.getName())) {
+ // The name of the reference in this case is the string in
+ // the @ref attribute of the Spring property element, NOT the
+ // name of the field in the Spring bean....
+ Class<?> interfaze = resolveClass(resolver, (propertyMap.get(propertyElement.getName()).getType()).getName());
+ Reference theReference = createReference(interfaze, propertyElement.getRef());
+ implementation.setUnresolvedBeanRef(propertyElement.getRef(), theReference);
+ } // end if
+ } // end for
+ } // end if
+ } // end while
+
+ Iterator<SpringConstructorArgElement> itcr = beanElement.getCustructorArgs().iterator();
+ while (itcr.hasNext()) {
+ SpringConstructorArgElement conArgElement = itcr.next();
+ if (propertyRefUnresolved(conArgElement.getRef(), beans, references, scaproperties)) {
+ for (JavaParameterImpl parameter : constructor.getParameters()) {
+ String paramType = parameter.getType().getName();
+ Class<?> interfaze = resolveClass(resolver, paramType);
+ // Create a component type reference/property if the constructor-arg element has a
+ // type attribute OR index attribute declared...
+ if ((conArgElement.getType() != null && paramType.equals(conArgElement.getType())) ||
+ (conArgElement.getIndex() != -1 && (conArgElement.getIndex() == parameter.getIndex())))
+ {
+ if (parameter.getClassifer().getName().equals("org.osoa.sca.annotations.Reference")) {
+ Reference theReference = createReference(interfaze, conArgElement.getRef());
+ componentType.getReferences().add(theReference);
+ }
+ if (parameter.getClassifer().getName().equals("org.osoa.sca.annotations.Property")) {
+ // Store the unresolved references as unresolvedBeanRef in the Spring Implementation type
+ // we might need to verify with the component definition later.
+ Reference theReference = createReference(interfaze, conArgElement.getRef());
+ implementation.setUnresolvedBeanRef(conArgElement.getRef(), theReference);
+ }
+ }
+ } // end for
+ } // end if
+ } // end while
+
+ } // end while
+
+ } catch (ClassNotFoundException e) {
+ // Means that either an interface class, property class or a bean was not found
+ throw new ContributionReadException(e);
+ } catch (InvalidInterfaceException e) {
+ throw new ContributionReadException(e);
+ } catch (ContributionResolveException e) {
+
+ } // end try
+
+ // If we get here, the Spring assembly component type is resolved
+ componentType.setUnresolved(false);
+ implementation.setComponentType(componentType);
+ return;
+ } // end method generateComponentType
+
+ /*
+ * Determines whether a reference attribute of a Spring property element is resolved either
+ * by a bean in the application context or by an SCA reference element or by an SCA property
+ * element
+ * @param ref - a String containing the name of the reference - may be null
+ * @param beans - a List of SpringBean elements
+ * @param references - a List of SCA reference elements
+ * @return true if the property is not resolved, false if it is resolved
+ */
+ private boolean propertyRefUnresolved(String ref,
+ List<SpringBeanElement> beans,
+ List<SpringSCAReferenceElement> references,
+ List<SpringSCAPropertyElement> scaproperties) {
+ boolean unresolved = true;
+
+ if (ref != null) {
+ // Scan over the beans looking for a match
+ Iterator<SpringBeanElement> itb = beans.iterator();
+ while (itb.hasNext()) {
+ SpringBeanElement beanElement = itb.next();
+ // Does the bean name match the ref?
+ if (ref.equals(beanElement.getId())) {
+ unresolved = false;
+ break;
+ } // end if
+ } // end while
+ // Scan over the SCA reference elements looking for a match
+ if (unresolved) {
+ Iterator<SpringSCAReferenceElement> itr = references.iterator();
+ while (itr.hasNext()) {
+ SpringSCAReferenceElement referenceElement = itr.next();
+ if (ref.equals(referenceElement.getName())) {
+ unresolved = false;
+ break;
+ } // end if
+ } // end while
+ } // end if
+ // Scan over the SCA property elements looking for a match
+ if (unresolved) {
+ Iterator<SpringSCAPropertyElement> itsp = scaproperties.iterator();
+ while (itsp.hasNext()) {
+ SpringSCAPropertyElement propertyElement = itsp.next();
+ if (ref.equals(propertyElement.getName())) {
+ unresolved = false;
+ break;
+ } // end if
+ } // end while
+ } // end if
+ } else {
+ // In the case where ref = null, the property is not going to be a reference of any
+ // kind and can be ignored
+ unresolved = false;
+ } // end if
+
+ return unresolved;
+
+ } // end method propertyRefUnresolved
+
+ /**
+ * Gets hold of the application-context.xml file as a Spring resource
+ * @param locationAttr - the location attribute from the <implementation.spring../> element
+ * @param cl - the ClassLoader for the Spring implementation
+ */
+ protected List<URL> getApplicationContextResource(URL url)
+ throws ContributionReadException {
+ File manifestFile = null;
+ File appXmlFile;
+ File locationFile = null;
+ List<URL> appCtxResources = new ArrayList<URL>();
+
+ if (url != null) {
+ String path = url.getPath();
+ locationFile = new File(path);
+ } else {
+ throw new ContributionReadException("SpringXMLComponentTypeLoader getApplicationContextResource: "
+ + "unable to find resource file " + url);
+ }
+
+ if (locationFile.isDirectory()) {
+ try {
+ manifestFile = new File(locationFile, "META-INF"+ File.separator +"MANIFEST.MF");
+ if (manifestFile.exists()) {
+ Manifest mf = new Manifest(new FileInputStream(manifestFile));
+ Attributes mainAttrs = mf.getMainAttributes();
+ String appCtxPath = mainAttrs.getValue("Spring-Context");
+ if (appCtxPath != null) {
+ String[] cxtPaths = appCtxPath.split(";");
+ for (String path : cxtPaths) {
+ appXmlFile = new File(locationFile, path);
+ if (appXmlFile.exists()) {
+ appCtxResources.add(appXmlFile.toURI().toURL());
+ }
+ }
+ return appCtxResources;
+ }
+ }
+ // no manifest-specified Spring context, use default
+ appXmlFile = new File(locationFile, "META-INF" + File.separator + "spring"
+ + File.separator + SpringImplementationConstants.APPLICATION_CONTEXT);
+ if (appXmlFile.exists()) {
+ appCtxResources.add(appXmlFile.toURI().toURL());
+ return appCtxResources;
+ }
+ } catch (IOException e) {
+ throw new ContributionReadException("Error reading manifest " + manifestFile);
+ }
+ } else {
+ if (locationFile.isFile() && locationFile.getName().endsWith(".jar")) {
+ try {
+ JarFile jf = new JarFile(locationFile);
+ JarEntry je;
+ Manifest mf = jf.getManifest();
+ if (mf != null) {
+ Attributes mainAttrs = mf.getMainAttributes();
+ String appCtxPath = mainAttrs.getValue("Spring-Context");
+ if (appCtxPath != null) {
+ String[] cxtPaths = appCtxPath.split(";");
+ for (String path : cxtPaths) {
+ je = jf.getJarEntry(path);
+ if (je != null) {
+ appCtxResources.add(new URL("jar:" + locationFile.toURI().toURL() + "!/" + appCtxPath));
+ }
+ }
+ return appCtxResources;
+ }
+ }
+ // Look for the default applicaiton-context.xml file, when MANIFEST.MF is absent.
+ je = jf.getJarEntry("META-INF" + "/" + "spring" + "/" + SpringImplementationConstants.APPLICATION_CONTEXT);
+ if (je != null) {
+ appCtxResources.add(new URL("jar:" + locationFile.toURI().toURL() + "!/" +
+ "META-INF" + "/" + "spring" + "/" + SpringImplementationConstants.APPLICATION_CONTEXT));
+ return appCtxResources;
+ }
+ } catch (IOException e) {
+ // TODO: create a more appropriate exception type
+ throw new ContributionReadException("SpringXMLLoader getApplicationContextResource: "
+ + " IO exception reading context file.", e);
+ }
+ }
+ else {
+ if (locationFile.getName().endsWith(".xml")) {
+ appCtxResources.add(url);
+ return appCtxResources;
+ }
+ else {
+ // Deal with the directory inside a jar file, in case the contribution itself is a JAR file.
+ try {
+ if (locationFile.getPath().indexOf(".jar") > 0) {
+ String jarPath = url.getPath().substring(5, url.getPath().indexOf("!"));
+ JarFile jf = new JarFile(jarPath);
+ JarEntry je = jf.getJarEntry(url.getPath().substring(url.getPath().indexOf("!/")+2)
+ + "/" + "META-INF" + "/" + "MANIFEST.MF");
+ if (je != null) {
+ Manifest mf = new Manifest(jf.getInputStream(je));
+ Attributes mainAttrs = mf.getMainAttributes();
+ String appCtxPath = mainAttrs.getValue("Spring-Context");
+ if (appCtxPath != null) {
+ String[] cxtPaths = appCtxPath.split(";");
+ for (String path : cxtPaths) {
+ je = jf.getJarEntry(url.getPath().substring(url.getPath().indexOf("!/")+2) + "/" + path);
+ if (je != null) {
+ appCtxResources.add(new URL("jar:" + url.getPath() + "/" + path));
+ return appCtxResources;
+ }
+ }
+ }
+ }
+ // Look for the default applicaiton-context.xml file, when MANIFEST.MF is absent.
+ je = jf.getJarEntry(url.getPath().substring(url.getPath().indexOf("!/")+2) + "/" +
+ "META-INF" + "/" + "spring" + "/" + SpringImplementationConstants.APPLICATION_CONTEXT);
+ if (je != null) {
+ appCtxResources.add(new URL("jar:" + url.getPath() + "/" +
+ "META-INF" + "/" + "spring" + "/" + SpringImplementationConstants.APPLICATION_CONTEXT));
+ return appCtxResources;
+ }
+ }
+ } catch (IOException e) {
+ throw new ContributionReadException("Error reading manifest " + manifestFile);
+ }
+ }
+ }
+ }
+
+ throw new ContributionReadException("SpringXMLComponentTypeLoader getApplicationContextResource: "
+ + "unable to read resource file " + url);
+ } // end method getApplicationContextResource
+
+ /**
+ * Creates a Service for the component type based on its name and Java interface
+ */
+ public Service createService(Class<?> interfaze, String name) throws InvalidInterfaceException {
+ Service service = assemblyFactory.createService();
+ JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
+ service.setInterfaceContract(interfaceContract);
+
+ // Set the name for the service
+ service.setName(name);
+
+ // Set the call interface and, if present, the callback interface
+ JavaInterface callInterface = javaFactory.createJavaInterface(interfaze);
+ service.getInterfaceContract().setInterface(callInterface);
+ if (callInterface.getCallbackClass() != null) {
+ JavaInterface callbackInterface = javaFactory.createJavaInterface(callInterface.getCallbackClass());
+ service.getInterfaceContract().setCallbackInterface(callbackInterface);
+ }
+ return service;
+ } // end method createService
+
+ /**
+ * Creates a Reference for the component type based on its name and Java interface
+ */
+ private org.apache.tuscany.sca.assembly.Reference createReference(Class<?> interfaze, String name)
+ throws InvalidInterfaceException {
+ org.apache.tuscany.sca.assembly.Reference reference = assemblyFactory.createReference();
+ JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
+ reference.setInterfaceContract(interfaceContract);
+
+ // Set the name of the reference to the supplied name and the multiplicity of the reference
+ // to 1..1 - for Spring implementations, this is the only multiplicity supported
+ reference.setName(name);
+ reference.setMultiplicity(Multiplicity.ONE_ONE);
+
+ // Set the call interface and, if present, the callback interface
+ JavaInterface callInterface = javaFactory.createJavaInterface(interfaze);
+ reference.getInterfaceContract().setInterface(callInterface);
+ if (callInterface.getCallbackClass() != null) {
+ JavaInterface callbackInterface = javaFactory.createJavaInterface(callInterface.getCallbackClass());
+ reference.getInterfaceContract().setCallbackInterface(callbackInterface);
+ }
+
+ return reference;
+ }
+
+ private class ContextClassLoader extends ClassLoader {
+ public ContextClassLoader(ModelResolver resolver) {
+ super();
+ this.resolver = resolver;
+ }
+
+ private ModelResolver resolver;
+
+ @Override
+ protected Class<?> findClass(String name) throws ClassNotFoundException {
+ return SpringXMLComponentTypeLoader.this.resolveClass(resolver, name);
+ }
+
+ @Override
+ protected URL findResource(String name) {
+ try {
+ return resolveLocation(resolver, name);
+ } catch (Exception e) {
+ return null;
+ }
+ }
+
+ @Override
+ protected Enumeration<URL> findResources(String name) throws IOException {
+ URL url = findResource(name);
+ if (url != null) {
+ return Collections.enumeration(Arrays.asList(url));
+ } else {
+ Collection<URL> urls = Collections.emptyList();
+ return Collections.enumeration(urls);
+ }
+ }
+ }
+} // end class SpringXMLComponentTypeLoader
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/ComponentTie.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/ComponentTie.java new file mode 100644 index 0000000000..2f245d7f06 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/ComponentTie.java @@ -0,0 +1,41 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.implementation.spring.invocation;
+
+/**
+ * This is the Tuscany side tie for the corresponding Spring runtime side stub class.
+ * It enables the Tuscany code to invoke methods on a Spring context without
+ * needing to know about any Spring classes. See the ComponentStub class
+ * in the implementation-spring-runtime module for what the stub does.
+ */
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+public class ComponentTie {
+
+ private RuntimeComponent component;
+
+ public ComponentTie(RuntimeComponent component) {
+ this.component = component;
+ }
+
+ public Object getService(Class<?> type, String name) {
+ return component.getComponentContext().getService(type, name);
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/ConfigurationPropertiesExtensionPoint.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/ConfigurationPropertiesExtensionPoint.java new file mode 100644 index 0000000000..b963d9996d --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/ConfigurationPropertiesExtensionPoint.java @@ -0,0 +1,27 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring.invocation;
+
+public interface ConfigurationPropertiesExtensionPoint {
+
+ boolean isAnnotationSupported();
+
+ String getSupportedVersion();
+
+}
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/DefaultConfigurationPropertiesExtensionPoint.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/DefaultConfigurationPropertiesExtensionPoint.java new file mode 100644 index 0000000000..7eda03593a --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/DefaultConfigurationPropertiesExtensionPoint.java @@ -0,0 +1,45 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring.invocation;
+
+public class DefaultConfigurationPropertiesExtensionPoint implements ConfigurationPropertiesExtensionPoint {
+
+ // Contructor
+ public DefaultConfigurationPropertiesExtensionPoint() {
+
+ }
+
+ // By default SCA annotations for implementation.spring
+ // will be supproted.
+ public boolean isAnnotationSupported() {
+ return true;
+ }
+
+ // By defauly all the Spring version are supported for
+ // Tuscany.
+ public String getSupportedVersion() {
+
+ // Customize the code here for a limited version
+ // support
+ /*
+ return "2.5.5";
+ */
+ return "ANY";
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/PropertyValueTie.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/PropertyValueTie.java new file mode 100644 index 0000000000..743abaa79b --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/PropertyValueTie.java @@ -0,0 +1,53 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.implementation.spring.invocation;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.ComponentProperty;
+import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * This is the Tuscany side tie for the corresponding Spring runtime side stub class.
+ * It enables the Tuscany code to invoke methods on a Spring context without
+ * needing to know about any Spring classes. See the PropertyValueStub class
+ * in the implementation-spring-runtime module for what the stub does.
+ */
+public class PropertyValueTie {
+
+ private RuntimeComponent component;
+ private JavaPropertyValueObjectFactory propertyFactory;
+
+ public PropertyValueTie(RuntimeComponent component, JavaPropertyValueObjectFactory propertyFactory) {
+ this.component = component;
+ this.propertyFactory = propertyFactory;
+ }
+
+ public Object getPropertyObj(Class<?> type, String name) {
+ List<ComponentProperty> props = component.getProperties();
+ for (ComponentProperty prop : props) {
+ if (prop.getName().equals(name)) {
+ return propertyFactory.createValueFactory(prop, prop.getValue(), type).getInstance();
+ }
+ }
+ return null; // property name not found
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringContextStub.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringContextStub.java new file mode 100644 index 0000000000..290bbff171 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringContextStub.java @@ -0,0 +1,138 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.implementation.spring.invocation;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.List;
+
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory;
+import org.apache.tuscany.sca.implementation.spring.SpringImplementation;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * This is the Tuscany side stub for the corresponding runtime tie class.
+ * It enables the Tuscany code to invoke methods on a Spring context without
+ * needing to know about any Spring classes. See the SpringContextTie class
+ * in the implementation-spring-runtime module for what the tie does.
+ */
+public class SpringContextStub {
+
+ private Object tie;
+ private Method startMethod;
+ private Method closeMethod;
+ private Method getBeanMethod;
+
+ public SpringContextStub(RuntimeComponent component,
+ SpringImplementation implementation,
+ ProxyFactory proxyService,
+ JavaPropertyValueObjectFactory propertyValueObjectFactory,
+ boolean annotationSupport,
+ String versionSupported) {
+
+ initTie(component, implementation, propertyValueObjectFactory, annotationSupport, versionSupported);
+
+ }
+
+ private void initTie(RuntimeComponent component,
+ SpringImplementation implementation,
+ JavaPropertyValueObjectFactory propertyValueObjectFactory,
+ boolean annotationSupport,
+ String versionSupported) {
+
+ // TODO: what class loader to use?
+ ClassLoader cl = Thread.currentThread().getContextClassLoader();
+
+ try {
+
+ Class<?> stubClass = Class.forName("org.apache.tuscany.sca.implementation.spring.runtime.context.SpringImplementationStub", true, cl);
+ Constructor<?> stubConstructor = stubClass.getConstructor(new Class<?>[]{Object.class});
+ Object stub = stubConstructor.newInstance(new SpringImplementationTie(implementation, component, propertyValueObjectFactory));
+
+ Class<?> tieClass = Class.forName("org.apache.tuscany.sca.implementation.spring.runtime.context.SpringContextTie", true, cl);
+ Constructor<?> tieConstructor = tieClass.getConstructor(new Class<?>[]{stubClass, List.class, boolean.class, String.class});
+ this.tie = tieConstructor.newInstance(stub, implementation.getResource(), annotationSupport, versionSupported);
+
+ this.startMethod = tieClass.getMethod("start");
+ this.closeMethod = tieClass.getMethod("close");
+ this.getBeanMethod = tieClass.getMethod("getBean", String.class);
+
+ } catch (ClassNotFoundException e) {
+ throw new RuntimeException(e);
+ } catch (SecurityException e) {
+ throw new RuntimeException(e);
+ } catch (NoSuchMethodException e) {
+ throw new RuntimeException(e);
+ } catch (IllegalArgumentException e) {
+ throw new RuntimeException(e);
+ } catch (InstantiationException e) {
+ throw new RuntimeException(e);
+ } catch (IllegalAccessException e) {
+ throw new RuntimeException(e);
+ } catch (InvocationTargetException e) {
+ e.printStackTrace();
+ throw new RuntimeException(e);
+ }
+ }
+
+ public void start() {
+ try {
+ startMethod.invoke(tie);
+ } catch (IllegalArgumentException e) {
+ throw new RuntimeException(e);
+ } catch (IllegalAccessException e) {
+ throw new RuntimeException(e);
+ } catch (InvocationTargetException e) {
+ e.printStackTrace();
+ throw new RuntimeException(e);
+ }
+ }
+
+ public void close() {
+ try {
+ closeMethod.invoke(tie);
+ } catch (IllegalArgumentException e) {
+ throw new RuntimeException(e);
+ } catch (IllegalAccessException e) {
+ throw new RuntimeException(e);
+ } catch (InvocationTargetException e) {
+ e.printStackTrace();
+ throw new RuntimeException(e);
+ }
+ }
+
+ public Object getBean(String id) throws SpringInvocationException {
+ try {
+
+ return getBeanMethod.invoke(tie, id);
+
+ } catch (IllegalArgumentException e) {
+ throw new RuntimeException(e);
+ } catch (IllegalAccessException e) {
+ throw new RuntimeException(e);
+ } catch (InvocationTargetException e) {
+ e.printStackTrace();
+ throw new RuntimeException(e);
+ }
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringImplementationProvider.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringImplementationProvider.java new file mode 100644 index 0000000000..1fc01b2627 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringImplementationProvider.java @@ -0,0 +1,87 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring.invocation;
+
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory;
+import org.apache.tuscany.sca.implementation.spring.SpringImplementation;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * A provider class for runtime Spring implementation instances
+ * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $
+ */
+public class SpringImplementationProvider implements ImplementationProvider {
+ private RuntimeComponent component;
+
+ // A Spring application context object
+ private SpringContextStub springContext;
+
+ private SpringImplementation implementation;
+
+ private JavaPropertyValueObjectFactory propertyValueObjectFactory;
+
+ /**
+ * Constructor for the provider - takes a component definition and a Spring implementation
+ * description
+ * @param component - the component in the assembly
+ * @param implementation - the implementation
+ */
+ public SpringImplementationProvider(RuntimeComponent component,
+ SpringImplementation implementation,
+ ProxyFactory proxyService,
+ JavaPropertyValueObjectFactory propertyValueObjectFactory,
+ boolean annotationSupport,
+ String versionSupported) {
+ super();
+ this.implementation = implementation;
+ this.component = component;
+ this.propertyValueObjectFactory = propertyValueObjectFactory;
+
+ springContext = new SpringContextStub(component, implementation, proxyService, propertyValueObjectFactory, annotationSupport, versionSupported);
+
+ } // end constructor
+
+ public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
+ return new SpringInvoker(component, springContext, service, operation);
+ }
+
+ public boolean supportsOneWayInvocation() {
+ return false;
+ }
+
+ /**
+ * Start this Spring implementation instance
+ */
+ public void start() {
+ springContext.start();
+ }
+
+ /**
+ * Stop this implementation instance
+ */
+ public void stop() {
+ springContext.close();
+ }
+
+} // end class SpringImplementationProvider
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringImplementationProviderFactory.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringImplementationProviderFactory.java new file mode 100644 index 0000000000..4796aa0de9 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringImplementationProviderFactory.java @@ -0,0 +1,89 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring.invocation;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
+import org.apache.tuscany.sca.databinding.impl.MediatorImpl;
+import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory;
+import org.apache.tuscany.sca.implementation.spring.SpringImplementation;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.provider.ImplementationProviderFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * ImplementationProviderFactory for Spring implementation type
+ * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $
+ *
+ */
+public class SpringImplementationProviderFactory implements ImplementationProviderFactory<SpringImplementation> {
+
+ private ProxyFactory proxyFactory;
+ private JavaPropertyValueObjectFactory propertyFactory;
+ private ConfigurationPropertiesExtensionPoint configProperties;
+ private boolean annotationSupport;
+ private String versionSupported;
+
+ /**
+ * Simple constructor
+ *
+ */
+ public SpringImplementationProviderFactory(ExtensionPointRegistry extensionPoints) {
+ super();
+
+ ProxyFactoryExtensionPoint proxyFactories = extensionPoints.getExtensionPoint(ProxyFactoryExtensionPoint.class);
+ proxyFactory = new ExtensibleProxyFactory(proxyFactories);
+
+ configProperties = extensionPoints.getExtensionPoint(ConfigurationPropertiesExtensionPoint.class);
+ if (configProperties == null) {
+ configProperties = new DefaultConfigurationPropertiesExtensionPoint();
+ }
+ annotationSupport = configProperties.isAnnotationSupported();
+ versionSupported = configProperties.getSupportedVersion();
+
+ // TODO: could the runtime have a default PropertyValueObjectFactory?
+ propertyFactory = new JavaPropertyValueObjectFactory(new MediatorImpl(extensionPoints));
+ }
+
+ /**
+ * Returns a SpringImplementationProvider for a given component and Spring implementation
+ * @param component the component for which implementation instances are required
+ * @param implementation the Spring implementation with details of the component
+ * implementation
+ * @return the SpringImplementationProvider for the specified component
+ */
+ public ImplementationProvider createImplementationProvider(RuntimeComponent component,
+ SpringImplementation implementation) {
+ return new SpringImplementationProvider(component,
+ implementation,
+ proxyFactory,
+ propertyFactory,
+ annotationSupport,
+ versionSupported);
+ }
+
+ /**
+ * Returns the class of the Spring implementation
+ */
+ public Class<SpringImplementation> getModelType() {
+ return SpringImplementation.class;
+ }
+} // end class SpringImplementationProviderFactory
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringImplementationTie.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringImplementationTie.java new file mode 100644 index 0000000000..0a069c032f --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringImplementationTie.java @@ -0,0 +1,147 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.implementation.spring.invocation;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.ComponentProperty;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.core.factory.ObjectFactory;
+import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory;
+import org.apache.tuscany.sca.implementation.spring.SpringImplementation;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * This is the Tuscany side tie for the corresponding runtime stub class.
+ * It enables the Sping code in the runtime module to invoke methods on a
+ * Tuscany SpringImplementation without the Spring runtime module
+ * needing to know about any Tuscany classes. See the SpringImplementationStub class
+ * in the implementation-spring-runtime module for what the stub does.
+ */
+public class SpringImplementationTie {
+
+ private SpringImplementation implementation;
+ private RuntimeComponent component;
+ private JavaPropertyValueObjectFactory propertyFactory;
+
+ public SpringImplementationTie(SpringImplementation implementation, RuntimeComponent component, JavaPropertyValueObjectFactory propertyFactory) {
+ this.implementation = implementation;
+ this.component = component;
+ this.propertyFactory = propertyFactory;
+ }
+
+ public String getURI() {
+ throw new IllegalStateException("Not yet impl");
+ }
+
+ public String getComponentName() {
+ return component.getName();
+ }
+ /**
+ * Method to create a Java Bean for a Property value
+ * @param <B> the class type of the Bean
+ * @param requiredType - a Class object for the required type
+ * @param name - the Property name
+ * @return - a Bean of the specified property, with value set
+ */
+ private <B> B getPropertyBean(Class requiredType, String name) {
+ B propertyObject = null;
+ // Get the component's list of properties
+ List<ComponentProperty> props = component.getProperties();
+ for (ComponentProperty prop : props) {
+ if (prop.getName().equals(name)) {
+ // On finding the property, create a factory for it and create a Bean using
+ // the factory
+ ObjectFactory factory = propertyFactory.createValueFactory(prop, prop.getValue(), requiredType);
+ propertyObject = (B)factory.getInstance();
+ } // end if
+ } // end for
+
+ return propertyObject;
+ }
+
+ /**
+ * Creates a proxy Bean for a reference
+ * @param <B> the Business interface type for the reference
+ * @param businessInterface - the business interface as a Class
+ * @param referenceName - the name of the Reference
+ * @return an Bean of the type defined by <B>
+ */
+ private <B> B getService(Class<B> businessInterface, String referenceName) {
+ return component.getComponentContext().getService(businessInterface, referenceName);
+ }
+
+ /**
+ * Get a Bean for a reference or for a property.
+ *
+ * @param name - the name of the Bean required
+ * @param requiredType - the required type of the Bean (either a Java class or a Java interface)
+ * @return Object - a Bean which matches the requested bean
+ */
+ public Object getBean(String name, Class requiredType) {
+ System.out.println("Spring parent context - getBean called for name: " + name);
+ // The expectation is that the requested Bean is either a reference or a property
+ // from the Spring context
+ for (Reference reference : implementation.getReferences()) {
+ if (reference.getName().equals(name)) {
+ // Extract the Java interface for the reference (it can't be any other interface type
+ // for a Spring application context)
+ if (requiredType == null) {
+ JavaInterface javaInterface = (JavaInterface)reference.getInterfaceContract().getInterface();
+ requiredType = javaInterface.getJavaClass();
+ }
+ // Create and return the proxy for the reference
+ return getService(requiredType, reference.getName());
+ } // end if
+ } // end for
+
+ // For a property, get the name and the required Java type and create a Bean
+ // of that type with the value inserted.
+ for (Property property : implementation.getProperties()) {
+ if (property.getName().equals(name)) {
+ if (requiredType == null) {
+ // The following code only deals with a subset of types and was superceded
+ // by the information from the implementation (which uses Classes as found
+ // in the Spring implementation itself.
+ //requiredType = JavaXMLMapper.getJavaType( property.getXSDType() );
+ requiredType = implementation.getPropertyClass(name);
+ }
+ return getPropertyBean(requiredType, property.getName());
+ } // end if
+ } // end for
+ // TODO: NoSuchBeanException
+ throw new RuntimeException("Unable to find Bean with name " + name);
+
+ } // end method getBean( String, Class )
+
+ public Object getComponentTie() {
+ return new ComponentTie(component);
+ }
+
+ public Object getPropertyValueTie() {
+ return new PropertyValueTie(component, propertyFactory);
+ }
+
+ public ClassLoader getClassLoader() {
+ return implementation.getClassLoader();
+ }
+}
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringInvocationException.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringInvocationException.java new file mode 100644 index 0000000000..d1330f8471 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringInvocationException.java @@ -0,0 +1,40 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring.invocation;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class SpringInvocationException extends Exception {
+
+ private static final long serialVersionUID = -1157790036638157513L;
+
+ public SpringInvocationException(String msg) {
+ super(msg);
+ }
+
+ public SpringInvocationException(Throwable e) {
+ super(e);
+ }
+
+ public SpringInvocationException(String msg,Throwable e) {
+ super(msg,e);
+ }
+
+}
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringInvoker.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringInvoker.java new file mode 100644 index 0000000000..3bf68a689c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/invocation/SpringInvoker.java @@ -0,0 +1,124 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.implementation.spring.invocation;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import org.apache.tuscany.sca.implementation.spring.SpringBeanElement;
+import org.apache.tuscany.sca.implementation.spring.SpringImplementation;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceUtil;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * Initial implementation of a Spring bean invoker
+ * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $
+ */
+public class SpringInvoker implements Invoker {
+
+ private Method theMethod = null;
+ private Object bean;
+ private SpringBeanElement beanElement;
+ private boolean badInvoker = false;
+
+ private SpringContextStub springContext;
+ private Operation operation;
+
+ /**
+ * SpringInvoker constructor
+ * @param component - the Spring component to invoke
+ * @param service - the service to invoke
+ * @param operation - the operation to invoke
+ */
+ public SpringInvoker(RuntimeComponent component,
+ SpringContextStub springContext,
+ RuntimeComponentService service,
+ Operation operation) {
+
+ this.springContext = springContext;
+ this.operation = operation;
+
+ // From the component and the service, identify the Spring Bean which is the target
+ SpringImplementation theImplementation = (SpringImplementation)component.getImplementation();
+ beanElement = theImplementation.getBeanFromService(service.getService());
+
+ if (beanElement == null) {
+ badInvoker = true;
+ return;
+ }
+
+ } // end constructor SpringInvoker
+
+ // Lazy-load the method to avoid timing problems with the Spring Context
+ private void setupMethod() throws SpringInvocationException{
+ try {
+ bean = springContext.getBean(beanElement.getId());
+ Class<?> beanClass = bean.getClass();
+ theMethod = JavaInterfaceUtil.findMethod(beanClass, operation);
+ //System.out.println("SpringInvoker - found method " + theMethod.getName() );
+ } catch (NoSuchMethodException e) {
+ throw new SpringInvocationException(e);
+ }
+ }
+
+ private Object doInvoke(Object payload) throws SpringInvocationException {
+ if (theMethod == null)
+ setupMethod();
+
+ if (badInvoker)
+ throw new SpringInvocationException("Spring invoker incorrectly configured");
+ // Invoke the method on the Spring bean using the payload, returning the results
+ try {
+ Object ret;
+
+ if (payload != null && !payload.getClass().isArray()) {
+ ret = theMethod.invoke(bean, payload);
+ } else {
+ ret = theMethod.invoke(bean, (Object[])payload);
+ }
+ return ret;
+ } catch (InvocationTargetException e) {
+ throw new SpringInvocationException("Spring invoker invoke method '"+ theMethod.getName()+"' error.",e.getCause());
+ } catch (Exception e) {
+ throw new SpringInvocationException("Spring invoker invoke method '"+ theMethod.getName()+"' error.",e);
+ }
+
+ } // end method doInvoke
+
+ /**
+ * @param msg the message to invoke on the target bean
+ */
+ public Message invoke(Message msg) {
+ try {
+ Object resp = doInvoke(msg.getBody());
+ msg.setBody(resp);
+ } catch (SpringInvocationException e) {
+ msg.setFaultBody(e.getCause());
+ }catch (Throwable e) {
+ msg.setFaultBody(e);
+ }
+ //System.out.println("Spring Invoker - invoke called");
+ return msg;
+ } // end method invoke
+
+} // end class SpringInvoker
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java new file mode 100644 index 0000000000..67c50e9392 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringImplementationProcessor.java @@ -0,0 +1,235 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.implementation.spring.xml; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.ComponentType; +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.assembly.xml.PolicyAttachPointProcessor; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.implementation.spring.SpringImplementation; +import org.apache.tuscany.sca.implementation.spring.introspect.SpringXMLComponentTypeLoader; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.monitor.impl.ProblemImpl; +import org.apache.tuscany.sca.policy.PolicyFactory; + +/** + * SpringArtifactProcessor is responsible for processing the XML of an <implementation.spring.../> + * element in an SCA SCDL file. + * + * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + */ +public class SpringImplementationProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<SpringImplementation> { + + private static final String LOCATION = "location"; + private static final String IMPLEMENTATION_SPRING = "implementation.spring"; + private static final QName IMPLEMENTATION_SPRING_QNAME = new QName(Constants.SCA10_NS, IMPLEMENTATION_SPRING); + private static final String MSG_LOCATION_MISSING = "Reading implementation.spring - location attribute missing"; + + private AssemblyFactory assemblyFactory; + private JavaInterfaceFactory javaFactory; + private PolicyFactory policyFactory; + private PolicyAttachPointProcessor policyProcessor; + private Monitor monitor; + + private ModelFactoryExtensionPoint factories; + + public SpringImplementationProcessor(ExtensionPointRegistry extensionPoints, Monitor monitor) { + this.factories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + this.assemblyFactory = factories.getFactory(AssemblyFactory.class); + this.javaFactory = factories.getFactory(JavaInterfaceFactory.class); + this.policyFactory = factories.getFactory(PolicyFactory.class); + this.policyProcessor = new PolicyAttachPointProcessor(policyFactory); + this.monitor = monitor; + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "impl-spring-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "impl-spring-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + /* + * Read the XML and parse out the attributes. + * + * <implementation.spring.../> has a single required attribute: + * "location" - which is the target URI of of an archive file or a directory that contains the Spring + * application context files. + * If the resource identified by the location attribute is an archive file, then the file + * META-INF/MANIFEST.MF is read from the archive. + * If the location URI identifies a directory, then META-INF/MANIFEST.MF must exist + * underneath that directory. + * If the manifest file contains a header "Spring-Context" of the format: + * Spring-Context ::= path ( ';' path )* + * + * Where path is a relative path with respect to the location URI, then the set of paths + * specified in the header identify the context configuration files. + * If there is no MANIFEST.MF file or no Spring-Context header within that file, + * then the default behaviour is to build an application context using all the *.xml files + * in the METAINF/spring directory. + */ + public SpringImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + + // Create the Spring implementation + SpringImplementation springImplementation = null; + + // Read the location attribute for the spring implementation + String springLocation = getURIString(reader, LOCATION); + if (springLocation != null) { + springImplementation = new SpringImplementation(); + springImplementation.setLocation(springLocation); + springImplementation.setUnresolved(true); + processComponentType(springImplementation); + } else { + error("LocationAttributeMissing", reader); + //throw new ContributionReadException(MSG_LOCATION_MISSING); + } + + // Read policies + policyProcessor.readPolicies(springImplementation, reader); + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && IMPLEMENTATION_SPRING_QNAME.equals(reader.getName())) { + break; + } + } // end while + + return springImplementation; + } // end read + + /* + * Handles the component type for the Spring implementation + * @param springImplementation - a Spring implementation. The component type information + * is created for this implementation + * + */ + private void processComponentType(SpringImplementation springImplementation) { + + // Create a ComponentType and mark it unresolved + ComponentType componentType = assemblyFactory.createComponentType(); + componentType.setUnresolved(true); + springImplementation.setComponentType(componentType); + } // end processComponentType + + /* + * Write out the XML representation of the Spring implementation + * <implementation.spring location="..." /> + */ + public void write(SpringImplementation springImplementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <implementation.spring> + writer.writeStartElement(Constants.SCA10_NS, IMPLEMENTATION_SPRING); + policyProcessor.writePolicyAttributes(springImplementation, writer); + + if (springImplementation.getLocation() != null) { + writer.writeAttribute(LOCATION, springImplementation.getLocation()); + } + + writer.writeEndElement(); + + } // end write + + /** + * Resolves the Spring implementation - loads the Spring application-context XML and + * derives the spring implementation componentType from it + */ + public void resolve(SpringImplementation springImplementation, ModelResolver resolver) + throws ContributionResolveException { + + if (springImplementation == null) + return; + + /* Load the Spring component type by reading the Spring application context */ + SpringXMLComponentTypeLoader springLoader = + new SpringXMLComponentTypeLoader(factories, assemblyFactory, javaFactory, policyFactory); + try { + // Load the Spring Implementation information from its application context file... + springLoader.load(springImplementation, resolver); + } catch (ContributionReadException e) { + ContributionResolveException ce = new ContributionResolveException(e); + error("ContributionResolveException", resolver, ce); + throw ce; + } + + ComponentType ct = springImplementation.getComponentType(); + if (ct.isUnresolved()) { + // If the introspection fails to resolve, try to find a side file... + ComponentType componentType = resolver.resolveModel(ComponentType.class, ct); + if (componentType.isUnresolved()) { + error("UnableToResolveComponentType", resolver); + //throw new ContributionResolveException("SpringArtifactProcessor: unable to resolve componentType for Spring component"); + } else { + springImplementation.setComponentType(componentType); + springImplementation.setUnresolved(false); + } + + } // end if + + } // end method resolve + + public QName getArtifactType() { + return IMPLEMENTATION_SPRING_QNAME; + } + + public Class<SpringImplementation> getModelType() { + return SpringImplementation.class; + } + +} // end class SpringArtifactProcessor |