From ee93ec6c9e75011788b740b8d045540551d032b8 Mon Sep 17 00:00:00 2001 From: ramkumar Date: Wed, 6 May 2009 11:36:06 +0000 Subject: Refactoring Spring module git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@772153 13f79535-47bb-0310-9956-ffa450edef68 --- .../spring/xml/SpringXMLComponentTypeLoader.java | 739 --------------------- 1 file changed, 739 deletions(-) delete mode 100644 branches/sca-java-1.x/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringXMLComponentTypeLoader.java (limited to 'branches/sca-java-1.x/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringXMLComponentTypeLoader.java') diff --git a/branches/sca-java-1.x/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringXMLComponentTypeLoader.java b/branches/sca-java-1.x/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringXMLComponentTypeLoader.java deleted file mode 100644 index ef42e8c610..0000000000 --- a/branches/sca-java-1.x/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringXMLComponentTypeLoader.java +++ /dev/null @@ -1,739 +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.sca.implementation.spring.xml; - -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.URL; -import java.util.ArrayList; -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.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.JavaElementImpl; -import org.apache.tuscany.sca.implementation.java.impl.JavaConstructorImpl; -import org.apache.tuscany.sca.implementation.java.impl.JavaParameterImpl; -import org.apache.tuscany.sca.implementation.spring.SpringImplementation; -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; -import org.springframework.core.io.Resource; -import org.springframework.core.io.UrlResource; - -/** - * Introspects a Spring XML application-context configuration file to create - * component type information. - * - * - * @version $Rev: 512919 $ $Date: 2007-02-28 19:32:56 +0000 (Wed, 28 Feb 2007) $ - */ -public class SpringXMLComponentTypeLoader { - - private AssemblyFactory assemblyFactory; - private JavaInterfaceFactory javaFactory; - private PolicyFactory policyFactory; - private ClassLoader cl; - - private SpringBeanIntrospector beanIntrospector; - private String contextPath; - - public SpringXMLComponentTypeLoader(AssemblyFactory assemblyFactory, - JavaInterfaceFactory javaFactory, - PolicyFactory policyFactory) { - super(); - this.assemblyFactory = assemblyFactory; - this.javaFactory = javaFactory; - this.policyFactory = policyFactory; - } - - protected Class 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 implementation SpringImplementation into which to load the component type information - * @throws ContributionReadException Failed to read the contribution - */ - private void loadFromXML(SpringImplementation implementation) throws ContributionReadException { - XMLStreamReader reader; - List beans = new ArrayList(); - List services = new ArrayList(); - List references = new ArrayList(); - List scaproperties = new ArrayList(); - - Resource resource; - - contextPath = implementation.getLocation(); - - try { - // FIXME - is the ContextClassLoader the right place to start the search? - cl = Thread.currentThread().getContextClassLoader(); - - resource = getApplicationContextResource(contextPath, 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"); - readContextDefinition(reader, beans, services, references, scaproperties); - - } 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 - - /** - * Method which returns the XMLStreamReader for the Spring application-context.xml file - * specified in the location attribute - */ - private XMLStreamReader getApplicationContextReader(String location) throws ContributionReadException { - - try { - // FIXME - is the ContextClassLoader the right place to start the search? - cl = Thread.currentThread().getContextClassLoader(); - Resource resource = getApplicationContextResource(location, cl); - // FIXME - need a better way to handle the XMLInputFactory than allocating a new one every time - XMLInputFactory xmlFactory = XMLInputFactory.newInstance(); - XMLStreamReader reader = xmlFactory.createXMLStreamReader(resource.getInputStream()); - 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(XMLStreamReader reader, - List beans, - List services, - List references, - List 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 (Constants.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(resourcePath); - // Read the context definition for the identified imported resource - readContextDefinition(ireader, beans, services, references, scaproperties); - } - } else if (Constants.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 (Constants.REFERENCE_ELEMENT.equals(qname)) { - SpringSCAReferenceElement reference = - new SpringSCAReferenceElement(reader.getAttributeValue(null, "name"), reader - .getAttributeValue(null, "type")); - references.add(reference); - } else if (Constants.SCAPROPERTY_ELEMENT.equals(qname)) { - SpringSCAPropertyElement scaproperty = - new SpringSCAPropertyElement(reader.getAttributeValue(null, "name"), reader - .getAttributeValue(null, "type")); - scaproperties.add(scaproperty); - } else if (Constants.BEAN_ELEMENT.equals(qname)) { - bean = new SpringBeanElement(reader.getAttributeValue(null, "id"), reader - .getAttributeValue(null, "class")); - beans.add(bean); - // Read the element and its child elements - readBeanDefinition(reader, bean, beans, services, references, scaproperties); - } // end if*/ - break; - case END_ELEMENT: - if (Constants.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(XMLStreamReader reader, - SpringBeanElement bean, - List beans, - List services, - List references, - List 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 (Constants.BEAN_ELEMENT.equals(qname)) { - innerbean = new SpringBeanElement(reader.getAttributeValue(null, "id"), reader - .getAttributeValue(null, "class")); - innerbean.setInnerBean(true); - beans.add(innerbean); - readBeanDefinition(reader, innerbean, beans, services, references, scaproperties); - } else if (Constants.PROPERTY_ELEMENT.equals(qname)) { - property = new SpringPropertyElement(reader.getAttributeValue(null, "name"), reader - .getAttributeValue(null, "ref")); - bean.addProperty(property); - } else if (Constants.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); - if ((value.indexOf(".xml") != -1)) { - if ((bean.getClassName().indexOf(".ClassPathXmlApplicationContext") != -1) || - (bean.getClassName().indexOf(".FileSystemXmlApplicationContext") != -1)) { - XMLStreamReader creader = getApplicationContextReader(value); - // Read the context definition for the constructor-arg resources - readContextDefinition(creader, beans, services, references, scaproperties); - } - } - } - bean.addCustructorArgs(constructorArg); - } else if (Constants.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 (Constants.VALUE_ELEMENT.equals(qname)) { - String value = reader.getElementText(); - // Check if the parent element is a constructor-arg - if (constructorArg != null) { - constructorArg.addValue(value); - // Identify the XML resource specified for the constructor-arg element - if ((value.indexOf(".xml") != -1)) { - if ((bean.getClassName().indexOf(".ClassPathXmlApplicationContext") != -1) || - (bean.getClassName().indexOf(".FileSystemXmlApplicationContext") != -1)) { - XMLStreamReader creader = getApplicationContextReader(value); - // Read the context definition for the constructor-arg resources - readContextDefinition(creader, beans, services, references, scaproperties); - } - } - } - } // end if - break; - case END_ELEMENT: - if (Constants.BEAN_ELEMENT.equals(reader.getName())) { - completed = true; - break; - } else if (Constants.PROPERTY_ELEMENT.equals(reader.getName())) { - property = null; - } else if (Constants.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, - List beans, - List services, - List references, - List 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 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 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 - - // Next handle the properties - Iterator 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 - - // Finally deal with the beans - Iterator 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 = cl.loadClass(beanElement.getClassName()); - // Introspect the bean - beanIntrospector = - new SpringBeanIntrospector(assemblyFactory, javaFactory, policyFactory, beanElement.getCustructorArgs()); - ComponentType beanComponentType = assemblyFactory.createComponentType(); - javaImplementation = beanIntrospector.introspectBean(beanClass, beanComponentType); - // Get the service interface defined by this Spring Bean and add to - // the component type of the Spring Assembly - List 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 = cl.loadClass(beanElement.getClassName()); - // Introspect the bean - beanIntrospector = - new SpringBeanIntrospector(assemblyFactory, javaFactory, policyFactory, beanElement.getCustructorArgs()); - ComponentType beanComponentType = assemblyFactory.createComponentType(); - javaImplementation = beanIntrospector.introspectBean(beanClass, beanComponentType); - Map 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 beanReferences = beanComponentType.getReferences(); - List beanProperties = beanComponentType.getProperties(); - - Iterator 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 = cl.loadClass((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 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 = cl.loadClass(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())) || - (conArgElement.getAutoIndex() == 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 beans, - List references, - List scaproperties) { - boolean unresolved = true; - - if (ref != null) { - // Scan over the beans looking for a match - Iterator 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 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 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 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 = null; - - URL url = cl.getResource(locationAttr); - if (url != null) { - String path = url.getPath(); - locationFile = new File(path); - } else { - throw new ContributionReadException( - "SpringXMLLoader getApplicationContextResource: " + "unable to find resource file " - + locationAttr); - } - - 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) { - appXmlFile = new File(locationFile, appCtxPath); - if (appXmlFile.exists()) { - return new UrlResource(appXmlFile.toURL()); - } - } - } - // no manifest-specified Spring context, use default - appXmlFile = new File(locationFile, "META-INF" + File.separator + "spring" - + File.separator + Constants.APPLICATION_CONTEXT); - if (appXmlFile.exists()) { - return new UrlResource(appXmlFile.toURL()); - } - } 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) { - je = jf.getJarEntry(appCtxPath); - if (je != null) { - // TODO return a Spring specific Resource type for jars - return new UrlResource(new URL("jar:" + locationFile.toURI().toURL() + "!/" + appCtxPath)); - } - } - } - je = jf.getJarEntry("META-INF" + "/" + "spring" + "/" + Constants.APPLICATION_CONTEXT); - if (je != null) { - return new UrlResource(new URL("jar:" + locationFile.toURI().toURL() + "!/" + Constants.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); - } - } - else { - if (locationFile.getName().endsWith(".xml")) { - return new UrlResource(url); - } - 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 jarEntry = url.getPath().substring(6, url.getPath().indexOf("!")); - JarFile jf = new JarFile(jarEntry); - 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) { - je = jf.getJarEntry(url.getPath().substring(url.getPath().indexOf("!/")+2) + "/" + appCtxPath); - if (je != null) { - return new UrlResource(new URL("jar:" + url.getPath() + "/" + appCtxPath)); - } - } - } - } - } catch (IOException e) { - throw new ContributionReadException("Error reading manifest " + manifestFile); - } - } - } - } - - throw new ContributionReadException("SpringXMLLoader getApplicationContextResource: " - + "META-INF/spring/" + Constants.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 = 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; - } -} // end class SpringXMLComponentTypeLoader -- cgit v1.2.3