All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.sun.faces.vendor.GlassFishInjectionProvider Maven / Gradle / Ivy

Go to download

This is the master POM file for Sun's Implementation of the JSF 1.2 Specification.

The newest version!
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
 * [name of copyright owner]"
 * 
 * Contributor(s):
 * 
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.faces.vendor;

import com.sun.enterprise.ComponentInvocation;
import com.sun.enterprise.InjectionException;
import com.sun.enterprise.InjectionManager;
import com.sun.enterprise.InvocationManager;
import com.sun.enterprise.Switch;
import com.sun.enterprise.deployment.InjectionInfo;
import com.sun.enterprise.deployment.JndiNameEnvironment;
import com.sun.faces.spi.DiscoverableInjectionProvider;
import com.sun.faces.spi.InjectionProviderException;
import com.sun.faces.util.FacesLogger;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.LinkedList;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.faces.FacesException;

/**
 * 

This InjectionProvider is specific to the * GlassFish/SJSAS 9.x PE/EE application servers.

*/ public class GlassFishInjectionProvider extends DiscoverableInjectionProvider { private static final Logger LOGGER = FacesLogger.APPLICATION.getLogger(); private InjectionManager injectionManager; private Switch theSwitch; private InvocationManager invokeMgr; private Method getInjectionInfoMethod; private boolean usingNewAPI; /** *

Constructs a new GlassFishInjectionProvider instance.

*/ public GlassFishInjectionProvider() { theSwitch = Switch.getSwitch(); invokeMgr = theSwitch.getInvocationManager(); injectionManager = theSwitch.getInjectionManager(); } /** *

The implementation of this method must perform the following * steps: *

    *
  • Inject the supported resources per the Servlet 2.5 * specification into the provided object
  • *
*

* * @param managedBean the target managed bean */ public void inject(Object managedBean) throws InjectionProviderException { try { injectionManager.injectInstance(managedBean, getNamingEnvironment(), false); } catch (InjectionException ie) { throw new InjectionProviderException(ie); } } /** *

The implemenation of this method must invoke any * method marked with the @PreDestroy annotation * (per the Common Annotations Specification). * * @param managedBean the target managed bean */ public void invokePreDestroy(Object managedBean) throws InjectionProviderException { try { injectionManager.invokeInstancePreDestroy(managedBean); } catch (InjectionException ie) { throw new InjectionProviderException(ie); } } /** *

The implemenation of this method must invoke any * method marked with the @PostConstruct annotation * (per the Common Annotations Specification). * * @param managedBean the target managed bean * * @throws com.sun.faces.spi.InjectionProviderException * if an error occurs when invoking * the method annotated by the @PostConstruct annotation */ public void invokePostConstruct(Object managedBean) throws InjectionProviderException { try { this.invokePostConstruct(managedBean, getNamingEnvironment()); } catch (InjectionException ie) { throw new InjectionProviderException(ie); } } // --------------------------------------------------------- Private Methods /** *

This is based off of code in InjectionManagerImpl.

* @return JndiNameEnvironment * @throws InjectionException if we're unable to obtain the * JndiNameEnvironment */ private JndiNameEnvironment getNamingEnvironment() throws InjectionException { ComponentInvocation inv = invokeMgr.getCurrentInvocation(); if (inv != null) { JndiNameEnvironment componentEnv = (JndiNameEnvironment) theSwitch.getDescriptorFor(inv.getContainerContext()); if (componentEnv != null) { return componentEnv; } else { throw new InjectionException("No descriptor registered for " + " current invocation : " + inv); } } else { throw new InjectionException("null invocation context"); } } /** *

This is based off of code in InjectionManagerImpl.

* * @param instance managed bean instance * @param envDescriptor JNDI environment * @throws InjectionException if an error occurs */ private void invokePostConstruct(Object instance, JndiNameEnvironment envDescriptor) throws InjectionException { LinkedList postConstructMethods = new LinkedList(); Class nextClass = instance.getClass(); // Process each class in the inheritance hierarchy, starting with // the most derived class and ignoring java.lang.Object. while ((!Object.class.equals(nextClass)) && (nextClass != null)) { InjectionInfo injInfo; Object argument = ((usingNewAPI(envDescriptor)) ? nextClass : nextClass.getName()); try { injInfo = (InjectionInfo) getInjectionInfoMethod .invoke(envDescriptor, argument); } catch (Exception e) { throw new InjectionException(e.getMessage()); } if (injInfo.getPostConstructMethodName() != null) { Method postConstructMethod = getPostConstructMethod (injInfo, nextClass); // Invoke the preDestroy methods starting from // the least-derived class downward. postConstructMethods.addFirst(postConstructMethod); } nextClass = nextClass.getSuperclass(); } for (Method postConstructMethod : postConstructMethods) { invokeLifecycleMethod(postConstructMethod, instance); } } /** *

This is based off of code in InjectionManagerImpl.

* @param injInfo InjectionInfo * @param resourceClass target class * @return a Method marked with the @PostConstruct annotation * @throws InjectionException if an error occurs */ private Method getPostConstructMethod(InjectionInfo injInfo, Class resourceClass) throws InjectionException { Method m = injInfo.getPostConstructMethod(); if( m == null ) { String postConstructMethodName = injInfo.getPostConstructMethodName(); // Check for the method within the resourceClass only. // This does not include super-classses. for(Method next : resourceClass.getDeclaredMethods()) { // InjectionManager only handles injection into PostConstruct // methods with no arguments. if( next.getName().equals(postConstructMethodName) && (next.getParameterTypes().length == 0) ) { m = next; injInfo.setPostConstructMethod(m); break; } } } if( m == null ) { throw new InjectionException ("InjectionManager exception. PostConstruct method " + injInfo.getPostConstructMethodName() + " could not be found in class " + injInfo.getClassName()); } return m; } /** *

This is based off of code in InjectionManagerImpl.

* @param lifecycleMethod the method to invoke * @param instance the instanced to invoke the method against * @throws InjectionException if an error occurs */ private void invokeLifecycleMethod(final Method lifecycleMethod, final Object instance) throws InjectionException { try { if(LOGGER.isLoggable(Level.FINE)) { LOGGER.fine("Calling lifecycle method " + lifecycleMethod + " on class " + lifecycleMethod.getDeclaringClass()); } // Wrap actual value insertion in doPrivileged to // allow for private/protected field access. java.security.AccessController.doPrivileged( new java.security.PrivilegedExceptionAction() { public java.lang.Object run() throws Exception { if( !lifecycleMethod.isAccessible() ) { lifecycleMethod.setAccessible(true); } lifecycleMethod.invoke(instance); return null; } }); } catch( Exception t) { String msg = "Exception attempting invoke lifecycle " + " method " + lifecycleMethod; if (LOGGER.isLoggable(Level.FINE)) { LOGGER.log(Level.FINE, msg, t); } InjectionException ie = new InjectionException(msg); Throwable cause = (t instanceof InvocationTargetException) ? t.getCause() : t; ie.initCause( cause ); throw ie; } } /** * This method is necessary to allow us to run within older and newer * versions of GlassFish. */ private boolean usingNewAPI(JndiNameEnvironment envDescriptor) { if (getInjectionInfoMethod == null) { try { getInjectionInfoMethod = envDescriptor.getClass().getMethod("getInjectionInfoByClass", String.class); usingNewAPI = false; } catch (NoSuchMethodException nsme) { // using a later version of the API if we get here try { getInjectionInfoMethod = envDescriptor.getClass().getMethod("getInjectionInfoByClass", Class.class); usingNewAPI = true; } catch (NoSuchMethodException nsme2) { throw new FacesException(nsme2); } } } return usingNewAPI; } } // END GlassFishInjectionProvider




© 2015 - 2024 Weber Informatics LLC | Privacy Policy