Add impl spring stub/tie

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@986837 13f79535-47bb-0310-9956-ffa450edef68

8 files changed, 606 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringBeanElement.java b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringBeanElement.java
new file mode 100644
index 0000000000..d954195980
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringBeanElement.java
@@ -0,0 +1,129 @@
+/*
+ * 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.metadata;
+
+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 $Rev$ $Date$
+ */
+public class SpringBeanElement {
+
+    private String id;
+    private String className = null;
+    private boolean innerBean = false;
+    private boolean abstractBean = false;
+    private boolean parentAttribute = false;
+    private boolean factoryBeanAttribute = false;
+    private boolean factoryMethodAttribute = 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 void setId(String id) {
+        this.id = 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;
+    }
+
+    public boolean isAbstractBean() {
+        return abstractBean;
+    }
+
+    public void setAbstractBean(boolean abstractBean) {
+        this.abstractBean = abstractBean;
+    }
+
+    public boolean hasParentAttribute() {
+        return parentAttribute;
+    }
+
+    public void setParentAttribute(boolean parentAttribute) {
+        this.parentAttribute = parentAttribute;
+    }
+
+    public boolean hasFactoryBeanAttribute() {
+        return factoryBeanAttribute;
+    }
+
+    public void setFactoryBeanAttribute(boolean factoryBeanAttribute) {
+        this.factoryBeanAttribute = factoryBeanAttribute;
+    }
+
+    public boolean hasFactoryMethodAttribute() {
+        return factoryMethodAttribute;
+    }
+
+    public void setFactoryMethodAttribute(boolean factoryMethodAttribute) {
+        this.factoryMethodAttribute = factoryMethodAttribute;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        builder.append("SpringBeanElement [id=").append(id).append(", className=").append(className)
+            .append(", innerBean=").append(innerBean).append(", abstractBean=").append(abstractBean)
+            .append(", parentAttribute=").append(parentAttribute).append(", factoryBeanAttribute=")
+            .append(factoryBeanAttribute).append(", factoryMethodAttribute=").append(factoryMethodAttribute)
+            .append(", properties=").append(properties).append(", constructorargs=").append(constructorargs)
+            .append("]");
+        return builder.toString();
+    }
+
+} // end class SpringBeanElement
diff --git a/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringConstructorArgElement.java b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringConstructorArgElement.java
new file mode 100644
index 0000000000..5571029c61
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringConstructorArgElement.java
@@ -0,0 +1,77 @@
+/*
+ * 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.metadata;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Represents a <constructor-arg> element in a Spring application-context
+ * - this has ref attribute
+ * 
+ * @version $Rev$ $Date$
+ */
+public class SpringConstructorArgElement {
+
+    private String type;
+    private int autoIndex = -1;
+    private int index = -1;
+    private List<String> refs = new ArrayList<String>();
+    private List<String> values = new ArrayList<String>();
+
+    public SpringConstructorArgElement(String type) {
+        this.type = type;
+    }
+
+    public String getType() {
+        return this.type;
+    }
+
+    public List<String> getRefs() {
+        return this.refs;
+    }
+
+    public void addRef(String ref) {
+        this.refs.add(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-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringElementTie.java b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringElementTie.java
new file mode 100644
index 0000000000..df4b077819
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringElementTie.java
@@ -0,0 +1,70 @@
+/*
+ * 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.metadata;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * A hacking utility to copy beans field by field between two class loaders
+ */
+public class SpringElementTie {
+    public static <T> T copy(Object source, Class<T> cls, Type genericType) {
+        if (source == null) {
+            return null;
+        }
+        if (cls.isPrimitive()) {
+            return (T)source;
+        }
+        if (Collection.class.isAssignableFrom(cls)) {
+            ParameterizedType pType = (ParameterizedType)genericType;
+            Type itemType = pType.getActualTypeArguments()[0];
+            Collection col = (Collection)source;
+            List target = new ArrayList();
+            for (Object item : col) {
+                target.add(copy(item, (Class<?>)itemType, itemType));
+            }
+            return (T)target;
+        }
+        if (cls.isInstance(source)) {
+            return cls.cast(source);
+        }
+        try {
+            Class<?> sourceClass = source.getClass();
+            T target = cls.newInstance();
+            for (Field sourceField : sourceClass.getDeclaredFields()) {
+                sourceField.setAccessible(true);
+                Field targetField = cls.getDeclaredField(sourceField.getName());
+                targetField.setAccessible(true);
+                Object sourceFieldValue = sourceField.get(source);
+                Object targetFieldValue = copy(sourceFieldValue, targetField.getType(), targetField.getGenericType());
+                targetField.set(target, targetFieldValue);
+            }
+            return target;
+        } catch (Throwable e) {
+            throw new IllegalArgumentException(e);
+        }
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringPropertyElement.java b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringPropertyElement.java
new file mode 100644
index 0000000000..585b3d3381
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringPropertyElement.java
@@ -0,0 +1,68 @@
+/*
+ * 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.metadata;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Represents a <property> element in a Spring application-context
+ * - this has name and ref attributes
+ * 
+ * @version $Rev$ $Date$
+ */
+public class SpringPropertyElement {
+
+    private String name;
+    private List<String> refs = new ArrayList<String>();
+    private List<String> values = new ArrayList<String>();
+
+    public SpringPropertyElement(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public List<String> getRefs() {
+        return this.refs;
+    }
+
+    public void addRef(String ref) {
+        this.refs.add(ref);
+    }
+
+    public List<String> getValues() {
+        return this.values;
+    }
+
+    public void addValue(String value) {
+        this.values.add(value);
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        builder.append("SpringPropertyElement [name=").append(name).append(", refs=").append(refs).append(", values=")
+            .append(values).append("]");
+        return builder.toString();
+    }
+
+} // end class SpringPropertyElement
diff --git a/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringSCAPropertyElement.java b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringSCAPropertyElement.java
new file mode 100644
index 0000000000..f721b21042
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringSCAPropertyElement.java
@@ -0,0 +1,59 @@
+/*
+ * 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.metadata;
+
+/**
+ * Represents an <sca:property> element in a Spring application-context
+ * - this has name and type attributes
+ * @version $Rev$ $Date$ 
+ */
+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;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        builder.append("SpringSCAPropertyElement [name=").append(name).append(", type=").append(type).append("]");
+        return builder.toString();
+    }
+
+} // end class SpringPropertyElement
diff --git a/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringSCAReferenceElement.java b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringSCAReferenceElement.java
new file mode 100644
index 0000000000..ffa91ad179
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringSCAReferenceElement.java
@@ -0,0 +1,73 @@
+/*
+ * 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.metadata;
+
+
+/**
+ * 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 $Rev$ $Date$
+ */
+public class SpringSCAReferenceElement {
+
+    private String name;
+    private String type;
+    private String defaultBean;
+
+    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;
+    }
+
+    public void setDefaultBean(String defaultBean) {
+        this.defaultBean = defaultBean;
+    }
+
+    public String getDefaultBean() {
+        return defaultBean;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        builder.append("SpringSCAReferenceElement [name=").append(name).append(", type=").append(type)
+            .append(", defaultBean=").append(defaultBean).append("]");
+        return builder.toString();
+    }
+
+
+} // end class SpringSCAReferenceElement
diff --git a/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringSCAServiceElement.java b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringSCAServiceElement.java
new file mode 100644
index 0000000000..6dee35f46e
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/metadata/SpringSCAServiceElement.java
@@ -0,0 +1,73 @@
+/*
+ * 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.metadata;
+
+
+/**
+ * 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 $Rev$ $Date$
+ */
+public class SpringSCAServiceElement {
+
+    private String name;
+    private String type;
+    private String target;
+
+
+    public SpringSCAServiceElement(String name, String target) {
+        this.name = name;
+        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;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        builder.append("SpringSCAServiceElement [name=").append(name).append(", type=").append(type)
+            .append(", target=").append(target).append("]");
+        return builder.toString();
+    }
+
+} // end class SpringSCAServiceElement
diff --git a/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/SpringXMLLoaderTie.java b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/SpringXMLLoaderTie.java
new file mode 100644
index 0000000000..b3f0a4a883
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/SpringXMLLoaderTie.java
@@ -0,0 +1,57 @@
+/*
+ * 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.processor;
+
+import java.net.URL;
+import java.util.List;
+
+import org.apache.tuscany.sca.implementation.spring.runtime.context.SCAGenericApplicationContext;
+import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
+import org.springframework.context.ApplicationContext;
+import org.springframework.core.io.UrlResource;
+
+/**
+ * A tie that allows Tuscany to call Spring library to load the application context for the purpose of introspection
+ */
+public class SpringXMLLoaderTie {
+
+    public static ApplicationContext createApplicationContext(Object scaParentContext,
+                                                              ClassLoader classLoader,
+                                                              List<URL> resources) {
+        if (classLoader == null) {
+            classLoader = Thread.currentThread().getContextClassLoader();
+        }
+
+        SCAGenericApplicationContext appCtx =
+            new SCAGenericApplicationContext((ApplicationContext)scaParentContext, classLoader);
+        XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(appCtx);
+
+        // REVIEW: [rfeng] How do we control the schema validation 
+        xmlReader.setValidating(false);
+
+        for (URL resource : resources) {
+            xmlReader.loadBeanDefinitions(new UrlResource(resource));
+        }
+
+        return appCtx;
+
+    }
+
+}