diff options
Diffstat (limited to 'sca-java-1.x/tags/1.5/modules/contribution-jee-impl/src/main/java/org/apache/tuscany/sca/contribution/jee/impl/JavaEEIntrospectorImpl.java')
-rw-r--r-- | sca-java-1.x/tags/1.5/modules/contribution-jee-impl/src/main/java/org/apache/tuscany/sca/contribution/jee/impl/JavaEEIntrospectorImpl.java | 421 |
1 files changed, 421 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.5/modules/contribution-jee-impl/src/main/java/org/apache/tuscany/sca/contribution/jee/impl/JavaEEIntrospectorImpl.java b/sca-java-1.x/tags/1.5/modules/contribution-jee-impl/src/main/java/org/apache/tuscany/sca/contribution/jee/impl/JavaEEIntrospectorImpl.java new file mode 100644 index 0000000000..89a09c84c5 --- /dev/null +++ b/sca-java-1.x/tags/1.5/modules/contribution-jee-impl/src/main/java/org/apache/tuscany/sca/contribution/jee/impl/JavaEEIntrospectorImpl.java @@ -0,0 +1,421 @@ +/* + * 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.contribution.jee.impl; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; +import java.net.URLConnection; +import java.util.Map; + +import org.apache.openejb.config.AppModule; +import org.apache.openejb.config.EjbModule; +import org.apache.openejb.config.UnknownModuleTypeException; +import org.apache.openejb.config.UnsupportedModuleTypeException; +import org.apache.openejb.config.WebModule; +import org.apache.openejb.jee.EjbJar; +import org.apache.openejb.jee.EjbRef; +import org.apache.openejb.jee.EjbRefType; +import org.apache.openejb.jee.EjbReference; +import org.apache.openejb.jee.EnterpriseBean; +import org.apache.openejb.jee.EnvEntry; +import org.apache.openejb.jee.Filter; +import org.apache.openejb.jee.Listener; +import org.apache.openejb.jee.MessageDrivenBean; +import org.apache.openejb.jee.Servlet; +import org.apache.openejb.jee.SessionBean; +import org.apache.openejb.jee.SessionType; +import org.apache.openejb.jee.WebApp; +import org.apache.tuscany.sca.contribution.jee.EjbInfo; +import org.apache.tuscany.sca.contribution.jee.EjbModuleInfo; +import org.apache.tuscany.sca.contribution.jee.JavaEEApplicationInfo; +import org.apache.tuscany.sca.contribution.jee.JavaEEIntrospector; +import org.apache.tuscany.sca.contribution.jee.JavaEEModuleHelper; +import org.apache.tuscany.sca.contribution.jee.WebModuleInfo; +import org.apache.tuscany.sca.contribution.jee.EjbReferenceInfo.EjbType; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.util.IOHelper; + +/** + * @version $Rev$ $Date$ + */ +public class JavaEEIntrospectorImpl implements JavaEEIntrospector { + + public WebModuleInfo introspectWebArchive(URL artifactURL) throws ContributionReadException { + // Create a temporary file since openejb extracts the archive to process + InputStream inp = null; + File tempFile = null; + try { + URLConnection connection = artifactURL.openConnection(); + connection.setUseCaches(false); + inp = connection.getInputStream(); + tempFile = File.createTempFile("temp", ".war"); + FileOutputStream fout = new FileOutputStream(tempFile); + IOHelper.copy(inp, fout); + fout.close(); + inp.close(); + } catch (IOException e) { + throw new ContributionReadException(e); + } + + JavaEEModuleHelper jmh = new JavaEEModuleHelper(); + WebModule wm = jmh.getMetadataCompleteModules(tempFile.getAbsolutePath()).getWebModules().get(0); + if(!tempFile.delete()) { + tempFile.deleteOnExit(); + } + return createWebModuleInfo(wm); + } + + private WebModuleInfo createWebModuleInfo(WebModule webModule) { + WebModuleInfo wmInfo = new WebModuleInfoImpl(); + + WebApp webApp = webModule.getWebApp(); + ClassLoader classLoader = webModule.getClassLoader(); + wmInfo.setmoduleClassloader(classLoader); + + // Process Remote EJB References + for (Map.Entry<String, EjbRef> entry : webApp.getEjbRefMap().entrySet()) { + EjbRef ejbRef = entry.getValue(); + if(ejbRef.getHome() != null) { + // References to only EJB3 beans need to be considered. + // Skip the current on as it is not a reference to an EJB3 bean. + continue; + } + if (ejbRef.getRefType().compareTo(EjbReference.Type.REMOTE) != 0) { + // Only Remote EJB references need to be considered. + // Skip the current one as it is not a remote reference. + continue; + } + //FIXME: ejbRef.getEjbRefType() is null sometimes. Need a different way to figure the type. + if(ejbRef.getEjbRefType() != null && ejbRef.getEjbRefType().compareTo(EjbRefType.SESSION) != 0) { + // Only references to Session beans need to be considered. + // Skip the current one as it is not a Session bean. + continue; + } + + try { + wmInfo.getEjbReferences().put(ejbRef.getEjbRefName(), createEjbReferenceInfo(ejbRef, classLoader)); + } catch (ClassNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + // Process env-entries to compute properties + for (Map.Entry<String, EnvEntry> entry : webApp.getEnvEntryMap().entrySet()) { + EnvEntry envEntry = entry.getValue(); + wmInfo.getEnvEntries().put(envEntry.getEnvEntryName(), createEnvEntryInfo(envEntry)); + } + + // Process Servlets + for(Servlet servlet: webApp.getServlet()) { + try { + wmInfo.getServletClasses().add(classLoader.loadClass(servlet.getServletClass())); + } catch (ClassNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + // Process Filters + for(Filter filter: webApp.getFilter()) { + try { + wmInfo.getFilterClasses().add(classLoader.loadClass(filter.getFilterClass())); + } catch (ClassNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + // Process Listeners + for(Listener listener: webApp.getListener()) { + try { + wmInfo.getListenerClasses().add(classLoader.loadClass(listener.getListenerClass())); + } catch (ClassNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + // TODO: Process JSF Managed beans + + // TODO: Process JSP pages + + return wmInfo; + } + + private org.apache.tuscany.sca.contribution.jee.EnvEntryInfo createEnvEntryInfo(EnvEntry envEntry) { + org.apache.tuscany.sca.contribution.jee.EnvEntryInfo envEntryInfo = new org.apache.tuscany.sca.contribution.jee.EnvEntryInfo(); + envEntryInfo.name = envEntry.getEnvEntryName(); + envEntryInfo.type = envEntry.getEnvEntryType(); + envEntryInfo.value = envEntry.getEnvEntryValue(); + + return envEntryInfo; + } + + private org.apache.tuscany.sca.contribution.jee.EjbReferenceInfo createEjbReferenceInfo(EjbRef ejbRef, ClassLoader classLoader) throws ClassNotFoundException { + org.apache.tuscany.sca.contribution.jee.EjbReferenceInfo ejbReferenceInfo = new org.apache.tuscany.sca.contribution.jee.EjbReferenceInfo(); + + ejbReferenceInfo.referenceName = ejbRef.getEjbRefName(); + ejbReferenceInfo.referenceType = ejbRef.getRefType().compareTo(EjbReference.Type.REMOTE) == 0 ? org.apache.tuscany.sca.contribution.jee.EjbReferenceInfo.RefType.REMOTE : ejbRef.getRefType().compareTo(EjbReference.Type.LOCAL) == 0 ? org.apache.tuscany.sca.contribution.jee.EjbReferenceInfo.RefType.LOCAL : org.apache.tuscany.sca.contribution.jee.EjbReferenceInfo.RefType.UNKNOWN; + ejbReferenceInfo.businessInterface = classLoader.loadClass(ejbRef.getInterface()); + + ejbReferenceInfo.ejbType = EjbType.UNKNOWN; + if(ejbRef.getEjbRefType() != null) { + if(ejbRef.getEjbRefType().compareTo(EjbRefType.SESSION) == 0) { + ejbReferenceInfo.ejbType = EjbType.SESSION_UNKNOWN; + } + } + + ejbReferenceInfo.ejbLink = ejbRef.getEjbLink(); + ejbReferenceInfo.mappedName = ejbRef.getMappedName(); + + return ejbReferenceInfo; + } + + public EjbModuleInfo introspectEjbArchive(URL artifactURL) throws ContributionReadException { + // Create a temporary file since openejb extracts the archive to process + InputStream inp = null; + File tempFile = null; + try { + URLConnection connection = artifactURL.openConnection(); + connection.setUseCaches(false); + inp = connection.getInputStream(); + tempFile = File.createTempFile("temp", ".jar"); + FileOutputStream fout = new FileOutputStream(tempFile); + IOHelper.copy(inp, fout); + fout.close(); + inp.close(); + } catch (IOException e) { + throw new ContributionReadException(e); + } + + JavaEEModuleHelper jmh = new JavaEEModuleHelper(); + EjbModule em; + try { + em = jmh.getMetadataCompleteModules(tempFile.getAbsolutePath()).getEjbModules().get(0); + } catch(ContributionReadException e) { + if((e.getCause() instanceof UnknownModuleTypeException) || + (e.getCause() instanceof UnsupportedModuleTypeException)) { + // Not an EJB jar + return null; + } else { + throw e; + } + } finally { + if(!tempFile.delete()) { + tempFile.deleteOnExit(); + } + } + return createEjbModuleInfo(em); + } + + private EjbModuleInfo createEjbModuleInfo(EjbModule ejbModule) { + EjbModuleInfo ejbModuleInfo = new EjbModuleInfoImpl(); + + EjbJar ejbJar = ejbModule.getEjbJar(); + if (!ejbJar.getVersion().startsWith("3")) { + // Not an EJB3 module + // TODO: should throw an exception + return null; + } + + ClassLoader classLoader = ejbModule.getClassLoader(); + ejbModuleInfo.setmoduleClassloader(classLoader); + Map<String, EnterpriseBean> beansMap = ejbJar.getEnterpriseBeansByEjbName(); + for (Map.Entry<String, EnterpriseBean> entry : beansMap.entrySet()) { + EnterpriseBean bean = entry.getValue(); + EjbInfo ejbInfo = null; + if (bean instanceof SessionBean) { + SessionBean sbean = (SessionBean)bean; + ejbInfo = createEjbInfo(sbean, classLoader); + } else if (bean instanceof MessageDrivenBean) { + MessageDrivenBean mdbean = (MessageDrivenBean)bean; + ejbInfo = createEjbInfo(mdbean, classLoader); + } else { + continue; + } + if (ejbInfo != null) { + // Bean is an EJB3 bean + ejbModuleInfo.getEjbInfos().put(bean.getEjbName(), ejbInfo); + } + } + + return ejbModuleInfo; + } + + private EjbInfo createEjbInfo(MessageDrivenBean bean, ClassLoader classLoader) { + try { + if(javax.ejb.MessageDrivenBean.class.isAssignableFrom(classLoader.loadClass(bean.getEjbClass()))) { + // Not an EJB3 bean + return null; + } + } catch (ClassNotFoundException ignored) { + // Should not happen + } + EjbInfo ejbInfo = new EjbInfo(); + + ejbInfo.beanName = bean.getEjbName(); + + try { + ejbInfo.beanClass = classLoader.loadClass(bean.getEjbClass()); + } catch (ClassNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + ejbInfo.ejbType = org.apache.tuscany.sca.contribution.jee.EjbInfo.EjbType.MESSAGE_DRIVEN; + + ejbInfo.mappedName = bean.getMappedName(); + + processReferencesEnvEntries(bean, classLoader, ejbInfo); + + return ejbInfo; + } + + private EjbInfo createEjbInfo(SessionBean bean, ClassLoader classLoader) { + if(bean.getBusinessRemote().size() == 0 && bean.getBusinessLocal().size() == 0) { + // Not an EJB3 Session bean + return null; + } + EjbInfo ejbInfo = new EjbInfo(); + + ejbInfo.beanName = bean.getEjbName(); + + try { + ejbInfo.beanClass = classLoader.loadClass(bean.getEjbClass()); + } catch (ClassNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + ejbInfo.ejbType = bean.getSessionType().equals(SessionType.STATEFUL) ? org.apache.tuscany.sca.contribution.jee.EjbInfo.EjbType.SESSION_STATEFUL : bean.getSessionType().equals(SessionType.STATELESS) ? org.apache.tuscany.sca.contribution.jee.EjbInfo.EjbType.SESSION_STATELESS : org.apache.tuscany.sca.contribution.jee.EjbInfo.EjbType.SESSION_UNKNOWN; + + ejbInfo.mappedName = bean.getMappedName(); + //FIXME: Is it ok to use beanName when mapped name is null? + if(ejbInfo.mappedName == null) { + ejbInfo.mappedName = ejbInfo.beanName; + } + + // Process Remote Business interfaces of the SessionBean + for (String intfName : bean.getBusinessRemote()) { + try { + ejbInfo.businessRemote.add(classLoader.loadClass(intfName)); + } catch (ClassNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + // Process Local Business interfaces of the SessionBean + for (String intfName : bean.getBusinessLocal()) { + try { + ejbInfo.businessLocal.add(classLoader.loadClass(intfName)); + } catch (ClassNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + processReferencesEnvEntries(bean, classLoader, ejbInfo); + + return ejbInfo; + } + + private void processReferencesEnvEntries(EnterpriseBean bean, ClassLoader classLoader, EjbInfo ejbInfo) { + // Process Remote EJB References + for (Map.Entry<String, EjbRef> entry : bean.getEjbRefMap().entrySet()) { + EjbRef ejbRef = entry.getValue(); + if(ejbRef.getHome() != null) { + // References to only EJB3 beans need to be considered. + // Skip the current on as it is not a reference to an EJB3 bean. + continue; + } + if (ejbRef.getRefType().compareTo(EjbReference.Type.REMOTE) != 0) { + // Only Remote EJB references need to be considered. + // Skip the current one as it is not a remote reference. + continue; + } + //FIXME: ejbRef.getEjbRefType() is null sometimes. Need a different way to figure the type. + if(ejbRef.getEjbRefType() != null && ejbRef.getEjbRefType().compareTo(EjbRefType.SESSION) != 0) { + // Only references to Session beans need to be considered. + // Skip the current one as it is not a Session bean. + continue; + } + + try { + ejbInfo.ejbReferences.put(ejbRef.getEjbRefName(), createEjbReferenceInfo(ejbRef, classLoader)); + } catch (ClassNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + // Process env-entries + for (Map.Entry<String, EnvEntry> entry : bean.getEnvEntryMap().entrySet()) { + EnvEntry envEntry = entry.getValue(); + + ejbInfo.envEntries.put(envEntry.getEnvEntryName(), createEnvEntryInfo(envEntry)); + } + } + + public JavaEEApplicationInfo introspectJeeArchive(URL artifactURL) throws ContributionReadException { + // Create a temporary file since openejb extracts the archive to process + InputStream inp = null; + File tempFile = null; + try { + URLConnection connection = artifactURL.openConnection(); + connection.setUseCaches(false); + inp = connection.getInputStream(); + tempFile = File.createTempFile("temp", ".ear"); + FileOutputStream fout = new FileOutputStream(tempFile); + IOHelper.copy(inp, fout); + fout.close(); + inp.close(); + } catch (IOException e) { + throw new ContributionReadException(e); + } + + JavaEEModuleHelper jmh = new JavaEEModuleHelper(); + AppModule appModule = jmh.getMetadataCompleteModules(tempFile.getAbsolutePath()); + if(!tempFile.delete()) { + tempFile.deleteOnExit(); + } + return createJavaEEApplicationInfo(appModule); + } + + private org.apache.tuscany.sca.contribution.jee.JavaEEApplicationInfo createJavaEEApplicationInfo(AppModule appModule) { + JavaEEApplicationInfo appInfo = new JavaEEApplicationInfoImpl(); + for(EjbModule em : appModule.getEjbModules()){ + EjbModuleInfo ejbModuleInfo = createEjbModuleInfo(em); + ejbModuleInfo.setModuleName(em.getModuleId()); + appInfo.getEjbModuleInfos().put(em.getModuleId(), ejbModuleInfo); + } + + for(WebModule wm : appModule.getWebModules()) { + WebModuleInfo webModuleInfo = createWebModuleInfo(wm); + webModuleInfo.setModuleName(wm.getModuleId()); + appInfo.getWebModuleInfos().put(wm.getModuleId(), webModuleInfo); + } + + return appInfo; + } +} |