diff options
Diffstat (limited to 'branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml')
7 files changed, 0 insertions, 982 deletions
diff --git a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringBeanElement.java b/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringBeanElement.java deleted file mode 100644 index d658859e60..0000000000 --- a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringBeanElement.java +++ /dev/null @@ -1,60 +0,0 @@ -/* - * 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.implementation.spring.xml; - -import java.util.List; -import java.util.ArrayList; - - -/** - * 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 List<SpringPropertyElement> properties = new ArrayList<SpringPropertyElement>(); - - 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 ); - } - - -} // end class SpringBeanElement
\ No newline at end of file diff --git a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringBeanIntrospector.java b/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringBeanIntrospector.java deleted file mode 100644 index 2346a359c8..0000000000 --- a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringBeanIntrospector.java +++ /dev/null @@ -1,156 +0,0 @@ -/* - * 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.implementation.spring.xml; - -import java.util.List; -import java.util.ArrayList; -import java.util.Iterator; -import java.util.Map; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.contribution.service.ContributionResolveException; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; -import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospector; -import org.apache.tuscany.sca.implementation.java.DefaultJavaImplementationFactory; -import org.apache.tuscany.sca.implementation.java.JavaImplementation; -import org.apache.tuscany.sca.implementation.java.impl.JavaElementImpl; -import org.apache.tuscany.sca.implementation.java.JavaImplementationFactory; -import org.apache.tuscany.sca.implementation.java.introspect.DefaultJavaClassIntrospectorExtensionPoint; -import org.apache.tuscany.sca.implementation.java.introspect.ExtensibleJavaClassIntrospector; -import org.apache.tuscany.sca.implementation.java.introspect.IntrospectionException; -import org.apache.tuscany.sca.implementation.java.introspect.JavaClassIntrospector; -import org.apache.tuscany.sca.implementation.java.introspect.JavaClassIntrospectorExtensionPoint; -import org.apache.tuscany.sca.implementation.java.introspect.JavaClassVisitor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.AllowsPassByReferenceProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.BaseJavaClassVisitor; -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.ConversationProcessor; -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.HeuristicPojoProcessor; -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.ScopeProcessor; -import org.apache.tuscany.sca.implementation.java.introspect.impl.ServiceProcessor; -import org.apache.tuscany.sca.policy.PolicyFactory; - -import org.apache.tuscany.sca.assembly.ComponentType; -import org.apache.tuscany.sca.assembly.Reference; -import org.apache.tuscany.sca.assembly.Service; - -/** - * 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 JavaClassIntrospector classIntrospector; - private JavaClassIntrospectorExtensionPoint classVisitors = - new DefaultJavaClassIntrospectorExtensionPoint(); - private JavaImplementationFactory javaImplementationFactory; - - /** - * The constructor sets up the various visitor elements that will be used to inrospect - * the Spring bean and extract SCA information - * @param assemblyFactory - an AssemblyFactory - * @param interfaceIntrospector - an Java InterfaceIntrospector - * @param javaFactory - a Java Interface Factory - */ - public SpringBeanIntrospector( AssemblyFactory assemblyFactory, - JavaInterfaceIntrospector interfaceIntrospector, - JavaInterfaceFactory javaFactory, - PolicyFactory policyFactory ) { - - // Create the list of class visitors - BaseJavaClassVisitor[] extensions = new BaseJavaClassVisitor[] { - new ConstructorProcessor(assemblyFactory), - new AllowsPassByReferenceProcessor(assemblyFactory), - new ContextProcessor(assemblyFactory), - new ConversationProcessor(assemblyFactory), - new DestroyProcessor(assemblyFactory), - new EagerInitProcessor(assemblyFactory), - new InitProcessor(assemblyFactory), - new PropertyProcessor(assemblyFactory), - new ReferenceProcessor(assemblyFactory, javaFactory, interfaceIntrospector), - new ResourceProcessor(assemblyFactory), - new ScopeProcessor(assemblyFactory), - new ServiceProcessor(assemblyFactory, javaFactory, interfaceIntrospector), - new HeuristicPojoProcessor(assemblyFactory, javaFactory, interfaceIntrospector), - new PolicyProcessor(assemblyFactory, policyFactory) - }; - for (JavaClassVisitor extension : extensions) { - classVisitors.addClassVisitor(extension); - } - this.classIntrospector = new ExtensibleJavaClassIntrospector(classVisitors); - - javaImplementationFactory = new DefaultJavaImplementationFactory(); - - } // 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 Map<String, JavaElementImpl> 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 - classIntrospector.introspect( beanClass, javaImplementation); - - // 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.getPropertyMembers(); - - } // end method introspectBean - - - -} // end class SpringBeanIntrospector
\ No newline at end of file diff --git a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringPropertyElement.java b/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringPropertyElement.java deleted file mode 100644 index 45cb4f01b6..0000000000 --- a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringPropertyElement.java +++ /dev/null @@ -1,46 +0,0 @@ -/* - * 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.implementation.spring.xml; - - -/** - * 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; - - public SpringPropertyElement( String name, String ref ) { - this.name = name; - this.ref = ref; - } - - public String getName() { - return name; - } - - public String getRef() { - return ref; - } - -} // end class SpringPropertyElement
\ No newline at end of file diff --git a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringSCAPropertyElement.java b/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringSCAPropertyElement.java deleted file mode 100644 index 33bc7410a1..0000000000 --- a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringSCAPropertyElement.java +++ /dev/null @@ -1,45 +0,0 @@ -/* - * 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.implementation.spring.xml; - - -/** - * Represents an <sca:property> element in a Spring application-context - * - this has name and type attributes - * - */ -public class SpringSCAPropertyElement { - - private String name; - private String type; - - public SpringSCAPropertyElement( String name, String type ) { - this.name = name; - this.type = type; - } - - public String getName() { - return name; - } - - public String getType() { - return type; - } - -} // end class SpringPropertyElement diff --git a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringSCAReferenceElement.java b/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringSCAReferenceElement.java deleted file mode 100644 index 4105034f54..0000000000 --- a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringSCAReferenceElement.java +++ /dev/null @@ -1,47 +0,0 @@ -/* - * 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.implementation.spring.xml; - - -/** - * 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 String getName() { - return name; - } - - public String getType() { - return type; - } - -} // end class SpringSCAReferenceElement
\ No newline at end of file diff --git a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringSCAServiceElement.java b/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringSCAServiceElement.java deleted file mode 100644 index ad2060b8d7..0000000000 --- a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringSCAServiceElement.java +++ /dev/null @@ -1,53 +0,0 @@ -/* - * 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.implementation.spring.xml; - - -/** - * 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 String getName() { - return name; - } - - public String getType() { - return type; - } - - public String getTarget() { - return target; - } - -} // end class SpringSCAServiceElement
\ No newline at end of file diff --git a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringXMLComponentTypeLoader.java b/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringXMLComponentTypeLoader.java deleted file mode 100644 index 3bf7f94271..0000000000 --- a/branches/sca-java-0.91/modules/implementation-spring/src/main/java/org/apache/tuscany/implementation/spring/xml/SpringXMLComponentTypeLoader.java +++ /dev/null @@ -1,575 +0,0 @@ -/* - * 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.implementation.spring.xml; - -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.jar.Attributes; -import java.util.jar.JarEntry; -import java.util.jar.JarFile; -import java.util.jar.Manifest; -import java.util.List; -import java.util.ArrayList; -import java.util.Iterator; -import java.util.Map; - -import javax.xml.namespace.QName; -import javax.xml.stream.XMLInputFactory; -import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; -import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; - -import org.apache.tuscany.implementation.spring.SpringImplementation; -import org.apache.tuscany.sca.assembly.ComponentType; -import org.apache.tuscany.sca.assembly.Reference; -import org.apache.tuscany.sca.assembly.Service; -import org.apache.tuscany.sca.assembly.Property; -import org.apache.tuscany.sca.contribution.service.ContributionReadException; -import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; - -import org.springframework.core.io.Resource; -import org.springframework.core.io.UrlResource; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.assembly.Multiplicity; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; -import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospector; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract; -import org.apache.tuscany.sca.interfacedef.util.JavaXMLMapper; -import org.apache.tuscany.sca.policy.PolicyFactory; -import org.apache.tuscany.sca.contribution.service.ContributionResolveException; -import org.apache.tuscany.sca.implementation.java.impl.JavaElementImpl; - -/** - * 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 static final String SCA_NS = "http://www.springframework.org/schema/sca"; - private static final String SPRING_NS = "http://www.springframework.org/schema/beans"; - private static final QName SERVICE_ELEMENT = new QName(SCA_NS, "service"); - private static final QName REFERENCE_ELEMENT = new QName(SCA_NS, "reference"); - private static final QName SCAPROPERTY_ELEMENT = new QName(SCA_NS, "property"); - private static final QName BEANS_ELEMENT = new QName(SPRING_NS, "beans"); - private static final QName BEAN_ELEMENT = new QName(SPRING_NS, "bean"); - private static final QName PROPERTY_ELEMENT = new QName(SPRING_NS, "property"); - private static final String APPLICATION_CONTEXT = "application-context.xml"; - - private AssemblyFactory assemblyFactory; - private JavaInterfaceIntrospector interfaceIntrospector; - private JavaInterfaceFactory javaFactory; - private PolicyFactory policyFactory; - private ClassLoader cl; - - private SpringBeanIntrospector beanIntrospector; - - public SpringXMLComponentTypeLoader( AssemblyFactory assemblyFactory, - JavaInterfaceIntrospector interfaceIntrospector, - JavaInterfaceFactory javaFactory, - PolicyFactory policyFactory) { - super(); - this.assemblyFactory = assemblyFactory; - this.interfaceIntrospector = interfaceIntrospector; - this.javaFactory = javaFactory; - this.policyFactory = policyFactory; - beanIntrospector = new SpringBeanIntrospector( assemblyFactory, - interfaceIntrospector, javaFactory, policyFactory ); - } - - 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 ) 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 ); - if( !componentType.isUnresolved() ) implementation.setUnresolved( false ); - } // end if - //System.out.println("Spring TypeLoader - load method complete"); - } // end method load - - /** - * Method which fills out the component type for a Spring implementation by reading the - * Spring application-context.xml file - * @param componentType - the component type to complete - * @param location - a string containing the relative location of the application-context.xml - * @return a Spring Resource for the application-context - * file - */ - private void loadFromXML( SpringImplementation implementation ) - 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>(); - SpringBeanElement bean = null; - - Resource resource; - - String location = implementation.getSpringLocation(); - - try { - // FIXME - is the ContextClassLoader the right place to start the search? - cl = Thread.currentThread().getContextClassLoader(); - - resource = getApplicationContextResource( location, cl ); - implementation.setResource( resource ); - // The URI is used to uniquely identify the Implementation - implementation.setURI( resource.getURL().toString() ); - // FIXME - need a better way to handle the XMLInputFactory than allocating a new one every time - XMLInputFactory xmlFactory = XMLInputFactory.newInstance(); - reader = xmlFactory.createXMLStreamReader(resource.getInputStream()); - - // System.out.println("Spring TypeLoader - starting to read context file"); - - 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 (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 (REFERENCE_ELEMENT.equals(qname)) { - SpringSCAReferenceElement reference = new SpringSCAReferenceElement( - reader.getAttributeValue(null, "name"), - reader.getAttributeValue(null, "type") ); - references.add( reference ); - } else if (SCAPROPERTY_ELEMENT.equals(qname)) { - SpringSCAPropertyElement scaproperty = new SpringSCAPropertyElement( - reader.getAttributeValue(null, "name"), - reader.getAttributeValue(null, "type")); - scaproperties.add( scaproperty ); - } else if (BEAN_ELEMENT.equals(qname)) { - // TODO FIX THIS !! - int count=reader.getAttributeCount(); - bean = new SpringBeanElement( - reader.getAttributeValue( null, "id"), - reader.getAttributeValue( null, "class") ); - beans.add( bean ); - } else if (PROPERTY_ELEMENT.equals(qname)) { - SpringPropertyElement property = new SpringPropertyElement( - reader.getAttributeValue(null, "name"), - reader.getAttributeValue(null, "ref")); - bean.addProperty( property ); - } // end if - break; - case END_ELEMENT: - if (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 (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, beans, services, references, scaproperties ); - - return; - } // end method loadFromXML - - /** - * 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, - List<SpringBeanElement> beans, - List<SpringSCAServiceElement> services, - List<SpringSCAReferenceElement> references, - List<SpringSCAPropertyElement> scaproperties ) - throws ContributionReadException { - /* - * 1. Each service becomes a service in the component type - * 2. Each reference becomes a reference in the component type - * 3. IF there are no explicit service elements, each bean becomes a service - * 4. 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 - * 5. Each scaproperty becomes a property in the component type - * 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 - */ - - ComponentType componentType = implementation.getComponentType(); - - try { - // Deal with the services first.... - Iterator<SpringSCAServiceElement> its = services.iterator(); - while( its.hasNext() ) { - SpringSCAServiceElement serviceElement = its.next(); - Class<?> interfaze = cl.loadClass( serviceElement.getType() ); - Service theService = createService( interfaze, serviceElement.getName() ); - 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 = cl.loadClass( referenceElement.getType() ); - Reference theReference = createReference( interfaze, referenceElement.getName() ); - componentType.getReferences().add( theReference ); - } // 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(); - // Load the Spring bean class - Class<?> beanClass = cl.loadClass( beanElement.getClassName() ); - // Introspect the bean - ComponentType beanComponentType = assemblyFactory.createComponentType(); - beanIntrospector.introspectBean( beanClass, beanComponentType ); - // 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 - // Now check to see if there are any more references from beans that are not satisfied - itb = beans.iterator(); - while( itb.hasNext() ) { - SpringBeanElement beanElement = itb.next(); - boolean unresolvedProperties = false; - if( !beanElement.getProperties().isEmpty() ) { - // Scan through the properties - 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... - unresolvedProperties = true; - } // end if - } // end while - // If there are unresolved properties, then find which ones are references - if( unresolvedProperties ) { - Class<?> beanClass = cl.loadClass( beanElement.getClassName() ); - // Introspect the bean - ComponentType beanComponentType = assemblyFactory.createComponentType(); - Map<String, JavaElementImpl> propertyMap = - beanIntrospector.introspectBean( beanClass, beanComponentType ); - // 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(); - itp = beanElement.getProperties().iterator(); - while( itp.hasNext() ) { - SpringPropertyElement propertyElement = itp.next(); - if( propertyRefUnresolved( propertyElement.getRef(), beans, - references, scaproperties ) ) { - boolean resolved = false; - // This means an unresolved reference from the spring bean...add it to - // the references for the Spring application context - 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 ); - resolved = true; - } // end if - } // end for - if( !resolved ) { - // If the bean property is not already resolved as a reference - // then it must be an SCA property... - 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.... - scaproperty.setName(propertyElement.getRef()); - componentType.getProperties().add( scaproperty ); - // Fetch and store the type of the property - implementation.setPropertyClass( scaproperty.getName(), - propertyMap.get(scaproperty.getName()).getType() ); - resolved = true; - } // end if - } // end for - } // end if - } // end if - } // end while - } // end if - } // end if - - } // end while - - 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) ); - componentType.getProperties().add( theProperty ); - // Remember the Java Class (ie the type) for this property - implementation.setPropertyClass( theProperty.getName(), propType ); - } // end if - } // 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 Resource getApplicationContextResource( String locationAttr, ClassLoader cl ) - throws ContributionReadException { - File manifestFile = null; - File appXmlFile; - File locationFile = new File(locationAttr); - - if (!locationFile.exists()) { - // FIXME hack - URL url = cl.getResource(locationAttr); - if (url != null) { - return new UrlResource(url); - } - throw new ContributionReadException("SpringXMLLoader getApplicationContextResource: " - + "unable to find resource file " + locationFile.toString()); - } - - if (locationFile.isDirectory()) { - try { - manifestFile = new File(locationFile, "META-INF/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) { - appXmlFile = new File(locationFile, appCtxPath); - if (appXmlFile.exists()) { - return new UrlResource(appXmlFile.toURL()); - } - } - } - // no manifest-specified Spring context, use default - appXmlFile = new File(locationFile, APPLICATION_CONTEXT); - if (appXmlFile.exists()) { - return new UrlResource(appXmlFile.toURL()); - } - } catch (IOException e) { - throw new ContributionReadException("Error reading manifest " + manifestFile); - } - } else { - 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) { - je = jf.getJarEntry(appCtxPath); - if (je != null) { - // TODO return a Spring specific Resouce type for jars - return new UrlResource(new URL("jar:" + locationFile.toURL() + "!/" + appCtxPath)); - } - } - } - je = jf.getJarEntry(APPLICATION_CONTEXT); - if (je != null) { - return new UrlResource(new URL("jar:" + locationFile.toURI().toURL() + "!" + APPLICATION_CONTEXT)); - } - } catch (IOException e) { - // bad archive - // TODO: create a more appropriate exception type - throw new ContributionReadException("SpringXMLLoader getApplicationContextResource: " - + " IO exception reading context file.", e); - } - } - - throw new ContributionReadException("SpringXMLLoader getApplicationContextResource: " - + APPLICATION_CONTEXT + "not found"); - } // 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 = interfaceIntrospector.introspect(interfaze); - service.getInterfaceContract().setInterface(callInterface); - if (callInterface.getCallbackClass() != null) { - JavaInterface callbackInterface = interfaceIntrospector.introspect(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 = interfaceIntrospector.introspect( interfaze ); - reference.getInterfaceContract().setInterface( callInterface ); - if (callInterface.getCallbackClass() != null) { - JavaInterface callbackInterface = - interfaceIntrospector.introspect(callInterface.getCallbackClass()); - reference.getInterfaceContract().setCallbackInterface(callbackInterface); - } - - return reference; - } -} // end class SpringXMLComponentTypeLoader
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