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.api.client;
038:
039: import com.sun.istack.NotNull;
040: import com.sun.istack.Nullable;
041: import com.sun.xml.ws.api.WSService;
042: import com.sun.xml.ws.util.ServiceFinder;
043:
044: import javax.xml.ws.Service;
045: import java.util.ArrayList;
046: import java.util.HashSet;
047: import java.util.List;
048: import java.util.Set;
049:
050: /**
051: * Creates {@link ServiceInterceptor}.
052: *
053: * <p>
054: * Code that wishes to inject {@link ServiceInterceptor} into {@link WSService}
055: * must implement this class. There are two ways to have the JAX-WS RI
056: * recognize your {@link ServiceInterceptor}s.
057: *
058: * <h3>Use {@link ServiceFinder}</h3>
059: * <p>
060: * {@link ServiceInterceptorFactory}s discovered via {@link ServiceFinder}
061: * will be incorporated to all {@link WSService} instances.
062: *
063: * <h3>Register per-thread</h3>
064: *
065: *
066: * @author Kohsuke Kawaguchi
067: * @see ServiceInterceptor
068: * @see 2.1 EA3
069: */
070: public abstract class ServiceInterceptorFactory {
071: public abstract ServiceInterceptor create(@NotNull
072: WSService service);
073:
074: /**
075: * Loads all {@link ServiceInterceptor}s and return aggregated one.
076: */
077: public static @NotNull
078: ServiceInterceptor load(@NotNull
079: WSService service, @Nullable
080: ClassLoader cl) {
081: List<ServiceInterceptor> l = new ArrayList<ServiceInterceptor>();
082:
083: // first service look-up
084: for (ServiceInterceptorFactory f : ServiceFinder
085: .find(ServiceInterceptorFactory.class))
086: l.add(f.create(service));
087:
088: // then thread-local
089: for (ServiceInterceptorFactory f : threadLocalFactories.get())
090: l.add(f.create(service));
091:
092: return ServiceInterceptor.aggregate(l
093: .toArray(new ServiceInterceptor[l.size()]));
094: }
095:
096: private static ThreadLocal<Set<ServiceInterceptorFactory>> threadLocalFactories = new ThreadLocal<Set<ServiceInterceptorFactory>>() {
097: protected Set<ServiceInterceptorFactory> initialValue() {
098: return new HashSet<ServiceInterceptorFactory>();
099: }
100: };
101:
102: /**
103: * Registers {@link ServiceInterceptorFactory} for this thread.
104: *
105: * <p>
106: * Once registered, {@link ServiceInterceptorFactory}s are consulted for every
107: * {@link Service} created in this thread, until it gets unregistered.
108: */
109: public static boolean registerForThread(
110: ServiceInterceptorFactory factory) {
111: return threadLocalFactories.get().add(factory);
112: }
113:
114: /**
115: * Removes previously registered {@link ServiceInterceptorFactory} for this thread.
116: */
117: public static boolean unregisterForThread(
118: ServiceInterceptorFactory factory) {
119: return threadLocalFactories.get().remove(factory);
120: }
121: }
|