001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
021: * [name of copyright owner]"
022: *
023: * Contributor(s):
024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
030: * either the CDDL, the GPL Version 2 or to extend the choice of license to
031: * its licensees as provided above. However, if you add GPL Version 2 code
032: * and therefore, elected the GPL Version 2 license, then the option applies
033: * only if the new code is made subject to such option by the copyright
034: * holder.
035: */
036:
037: package com.sun.xml.ws.server;
038:
039: import com.sun.xml.ws.api.server.InstanceResolver;
040: import com.sun.xml.ws.api.server.ResourceInjector;
041: import com.sun.xml.ws.api.server.WSEndpoint;
042: import com.sun.xml.ws.api.server.WSWebServiceContext;
043:
044: import javax.annotation.PostConstruct;
045: import javax.annotation.PreDestroy;
046: import java.lang.reflect.Method;
047:
048: /**
049: * Partial implementation of {@link InstanceResolver} with code
050: * to handle multiple instances per server.
051: *
052: * @author Kohsuke Kawaguchi
053: */
054: public abstract class AbstractMultiInstanceResolver<T> extends
055: AbstractInstanceResolver<T> {
056: protected final Class<T> clazz;
057:
058: // fields for resource injection.
059: private/*almost final*/WSWebServiceContext webServiceContext;
060: protected/*almost final*/WSEndpoint owner;
061: private final Method postConstructMethod;
062: private final Method preDestroyMethod;
063: private/*almost final*/ResourceInjector resourceInjector;
064:
065: public AbstractMultiInstanceResolver(Class<T> clazz) {
066: this .clazz = clazz;
067:
068: postConstructMethod = findAnnotatedMethod(clazz,
069: PostConstruct.class);
070: preDestroyMethod = findAnnotatedMethod(clazz, PreDestroy.class);
071: }
072:
073: /**
074: * Perform resource injection on the given instance.
075: */
076: protected final void prepare(T t) {
077: // we can only start creating new instances after the start method is invoked.
078: assert webServiceContext != null;
079:
080: resourceInjector.inject(webServiceContext, t);
081: invokeMethod(postConstructMethod, t);
082: }
083:
084: /**
085: * Creates a new instance via the default constructor.
086: */
087: protected final T create() {
088: T t = createNewInstance(clazz);
089: prepare(t);
090: return t;
091: }
092:
093: @Override
094: public void start(WSWebServiceContext wsc, WSEndpoint endpoint) {
095: resourceInjector = getResourceInjector(endpoint);
096: this .webServiceContext = wsc;
097: this .owner = endpoint;
098: }
099:
100: protected final void dispose(T instance) {
101: invokeMethod(preDestroyMethod, instance);
102: }
103: }
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