| // |
| // ======================================================================== |
| // Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.plus.webapp; |
| |
| import java.util.Random; |
| |
| import javax.naming.Context; |
| import javax.naming.InitialContext; |
| import javax.naming.NameNotFoundException; |
| |
| import org.eclipse.jetty.plus.annotation.InjectionCollection; |
| import org.eclipse.jetty.plus.annotation.LifeCycleCallbackCollection; |
| import org.eclipse.jetty.plus.jndi.Transaction; |
| import org.eclipse.jetty.util.log.Log; |
| import org.eclipse.jetty.util.log.Logger; |
| import org.eclipse.jetty.webapp.AbstractConfiguration; |
| import org.eclipse.jetty.webapp.WebAppContext; |
| |
| |
| /** |
| * Configuration |
| * |
| * |
| */ |
| public class PlusConfiguration extends AbstractConfiguration |
| { |
| private static final Logger LOG = Log.getLogger(PlusConfiguration.class); |
| |
| private Integer _key; |
| |
| @Override |
| public void preConfigure (WebAppContext context) |
| throws Exception |
| { |
| context.addDecorator(new PlusDecorator(context)); |
| } |
| |
| @Override |
| public void cloneConfigure(WebAppContext template, WebAppContext context) throws Exception |
| { |
| context.addDecorator(new PlusDecorator(context)); |
| } |
| |
| @Override |
| public void configure (WebAppContext context) |
| throws Exception |
| { |
| bindUserTransaction(context); |
| |
| context.getMetaData().addDescriptorProcessor(new PlusDescriptorProcessor()); |
| } |
| |
| @Override |
| public void postConfigure(WebAppContext context) throws Exception |
| { |
| //lock this webapp's java:comp namespace as per J2EE spec |
| lockCompEnv(context); |
| } |
| |
| @Override |
| public void deconfigure (WebAppContext context) |
| throws Exception |
| { |
| unlockCompEnv(context); |
| _key = null; |
| context.setAttribute(InjectionCollection.INJECTION_COLLECTION,null); |
| context.setAttribute(LifeCycleCallbackCollection.LIFECYCLE_CALLBACK_COLLECTION,null); |
| } |
| |
| public void bindUserTransaction (WebAppContext context) |
| throws Exception |
| { |
| try |
| { |
| Transaction.bindToENC(); |
| } |
| catch (NameNotFoundException e) |
| { |
| LOG.debug("No Transaction manager found - if your webapp requires one, please configure one."); |
| } |
| } |
| |
| |
| |
| protected void lockCompEnv (WebAppContext wac) |
| throws Exception |
| { |
| ClassLoader old_loader = Thread.currentThread().getContextClassLoader(); |
| Thread.currentThread().setContextClassLoader(wac.getClassLoader()); |
| try |
| { |
| Random random = new Random (); |
| _key = new Integer(random.nextInt()); |
| Context context = new InitialContext(); |
| Context compCtx = (Context)context.lookup("java:comp"); |
| compCtx.addToEnvironment("org.eclipse.jetty.jndi.lock", _key); |
| } |
| finally |
| { |
| Thread.currentThread().setContextClassLoader(old_loader); |
| } |
| } |
| |
| protected void unlockCompEnv (WebAppContext wac) |
| throws Exception |
| { |
| if (_key!=null) |
| { |
| ClassLoader old_loader = Thread.currentThread().getContextClassLoader(); |
| Thread.currentThread().setContextClassLoader(wac.getClassLoader()); |
| |
| try |
| { |
| Context context = new InitialContext(); |
| Context compCtx = (Context)context.lookup("java:comp"); |
| compCtx.addToEnvironment("org.eclipse.jetty.jndi.unlock", _key); |
| } |
| finally |
| { |
| Thread.currentThread().setContextClassLoader(old_loader); |
| } |
| } |
| } |
| } |