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.transport.local;
038:
039: import com.sun.istack.NotNull;
040: import com.sun.istack.Nullable;
041: import com.sun.xml.ws.api.server.WSEndpoint;
042:
043: import java.io.File;
044: import java.io.IOException;
045: import java.lang.ref.WeakReference;
046: import java.net.URI;
047: import java.util.ArrayList;
048: import java.util.Collections;
049: import java.util.HashMap;
050: import java.util.List;
051: import java.util.Map;
052:
053: /**
054: * In-VM transport.
055: *
056: * <p>
057: * This transport lets you deploy services in a servlet-like
058: * environment within the same VM. Unlike the local transport,
059: * which deploys a new server instance every time a new transport
060: * tube is created, in-VM transport maintains a server instance
061: * outside the transport, allowing multiple clients to talk to the
062: * same in-VM service instance.
063: *
064: * <p>
065: * For this reason, in-VM transport requires explicit "deploy"
066: * and "undeploy" operations.
067: *
068: * @author Kohsuke Kawaguchi
069: */
070: public final class InVmServer {
071: /**
072: * Services that are running.
073: */
074: private final List<WSEndpoint> endpoints;
075:
076: /**
077: * Unique name that distinguishes this in-VM server among other running servers.
078: */
079: private final String id;
080:
081: /**
082: * Running servers.
083: *
084: * Use {@link WeakReference} so that {@link InVmServer}
085: * instances get GC-ed.
086: *
087: */
088: private static final Map<String, WeakReference<InVmServer>> servers = new HashMap<String, WeakReference<InVmServer>>();
089:
090: /**
091: * Deploys a new server instance.
092: *
093: * @param id
094: * Every server instance needs to have an unique ID.
095: * If you want to set the ID by yourself, use this version.
096: * Otherwise use the single argument version.
097: * @param explodedWarDir
098: * The exploded war file image in the file system,
099: * where services are loaded from.
100: */
101: public InVmServer(@NotNull
102: String id, File explodedWarDir) throws IOException {
103: this (id, LocalTransportFactory.parseEndpoints(explodedWarDir
104: .getPath()));
105: }
106:
107: public InVmServer(@NotNull
108: String id, List<WSEndpoint> endpoints) throws IOException {
109: synchronized (servers) {
110: if (servers.containsKey(id))
111: throw new IllegalArgumentException(
112: "InVmServer with id=" + id
113: + " is already running");
114: servers.put(id, new WeakReference<InVmServer>(this ));
115: }
116: this .id = id;
117: this .endpoints = new ArrayList<WSEndpoint>(endpoints);
118: }
119:
120: public InVmServer(File explodedWarDir) throws IOException {
121: this (generateId(), explodedWarDir);
122: }
123:
124: /**
125: * Finds the {@link WSEndpoint} that matches the given port name.
126: */
127: @Nullable
128: WSEndpoint getByPortName(String portLocalName) {
129: for (WSEndpoint ep : endpoints) {
130: if (ep.getPortName().getLocalPart().equals(portLocalName))
131: return ep;
132: }
133: return null;
134: }
135:
136: /**
137: * Gets all the {@link WSEndpoint}s.
138: */
139: List<WSEndpoint> getEndpoints() {
140: return Collections.unmodifiableList(endpoints);
141: }
142:
143: /**
144: * Returns the URI that identifies this server. Use this
145: * as the endpoint address of the JAX-WS RI to talk to services in this server
146: */
147: URI getAddress() {
148: return URI.create("in-vm://" + id + "/");
149: }
150:
151: /**
152: * Gracefully terminates this service.
153: *
154: * You can also just let it garbage collected without calling this method,
155: * but that would shut down the service without proper termination
156: * required by the JAX-WS specification.
157: */
158: public void undeploy() {
159: for (WSEndpoint ep : endpoints)
160: ep.dispose();
161: endpoints.clear();
162: synchronized (servers) {
163: if (servers.get(id).get() == this )
164: servers.remove(id);
165: }
166: }
167:
168: /**
169: * Obtains the running instance from the ID, or returns null
170: * if not found.
171: */
172: public static @Nullable
173: InVmServer get(String id) {
174: synchronized (servers) {
175: WeakReference<InVmServer> r = servers.get(id);
176: if (r == null)
177: return null;
178: if (r.get() == null) {
179: // GC-ed.
180: servers.remove(id);
181: return null;
182: }
183:
184: return r.get();
185: }
186: }
187:
188: public String toString() {
189: return "InVmServer:" + id;
190: }
191:
192: private static synchronized String generateId() {
193: return String.valueOf(iotaGen++);
194: }
195:
196: private static int iotaGen = 0;
197:
198: }
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