Source Code Cross Referenced for MultiProgressObjectWrapper.java in  » IDE-Netbeans » tomcat5 » org » netbeans » modules » tomcat5 » progress » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » tomcat5 » org.netbeans.modules.tomcat5.progress 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


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
008:         * Development and Distribution License("CDDL") (collectively, the
009:         * "License"). You may not use this file except in compliance with the
010:         * License. You can obtain a copy of the License at
011:         * http://www.netbeans.org/cddl-gplv2.html
012:         * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013:         * specific language governing permissions and limitations under the
014:         * License.  When distributing the software, include this License Header
015:         * Notice in each file and include the License file at
016:         * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
017:         * particular file as subject to the "Classpath" exception as provided
018:         * by Sun in the GPL Version 2 section of the License file that
019:         * accompanied this code. If applicable, add the following below the
020:         * License Header, with the fields enclosed by brackets [] replaced by
021:         * your own identifying information:
022:         * "Portions Copyrighted [year] [name of copyright owner]"
023:         *
024:         * Contributor(s):
025:         *
026:         * The Original Software is NetBeans. The Initial Developer of the Original
027:         * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028:         * Microsystems, Inc. All Rights Reserved.
029:         *
030:         * If you wish your version of this file to be governed by only the CDDL
031:         * or only the GPL Version 2, indicate your decision by adding
032:         * "[Contributor] elects to include this software in this distribution
033:         * under the [CDDL or GPL Version 2] license." If you do not indicate a
034:         * single choice of license, a recipient has the option to distribute
035:         * your version of this file under either the CDDL, the GPL Version 2 or
036:         * to extend the choice of license to its licensees as provided above.
037:         * However, if you add GPL Version 2 code and therefore, elected the GPL
038:         * Version 2 license, then the option applies only if the new code is
039:         * made subject to such option by the copyright holder.
040:         */
041:
042:        package org.netbeans.modules.tomcat5.progress;
043:
044:        import java.util.ArrayList;
045:        import java.util.Arrays;
046:        import java.util.List;
047:        import javax.enterprise.deploy.shared.StateType;
048:        import javax.enterprise.deploy.spi.TargetModuleID;
049:        import javax.enterprise.deploy.spi.exceptions.OperationUnsupportedException;
050:        import javax.enterprise.deploy.spi.status.ClientConfiguration;
051:        import javax.enterprise.deploy.spi.status.DeploymentStatus;
052:        import javax.enterprise.deploy.spi.status.ProgressEvent;
053:        import javax.enterprise.deploy.spi.status.ProgressListener;
054:        import javax.enterprise.deploy.spi.status.ProgressObject;
055:        import org.openide.util.Parameters;
056:
057:        /**
058:         * MultiProgressObjectWrapper wraps multiple progress objects into a single one.
059:         * <p>
060:         * If all wrapped objects are in COMPLETED or FAILED state the state object
061:         * will be changed to:
062:         * <ul>
063:         *     <li>{@link StateType.COMPLETED} if all wrapped objects reached the COMPLETED state
064:         *     <li>{@link StateType.FAILED} if any of wrapped objects reached the FAILED state
065:         * </ul>
066:         * <p>
067:         * Note that all wrapped objects have to be in COMPLETED or FAILED state to
068:         * invoke the change of the state of this object. However this does not mean
069:         * the events from the wrapped objects are not propagated to the listeners of
070:         * this object.
071:         * <p>
072:         * The behaviour of {@link StateType.RELEASED} is quite unsure from JSR-88.
073:         * This implementation does not consider it as end state of the ProgressObject.
074:         *
075:         * @author herolds
076:         * @author Petr Hejl
077:         */
078:        public class MultiProgressObjectWrapper implements  ProgressObject,
079:                ProgressListener {
080:
081:            private final ProgressEventSupport pes = new ProgressEventSupport(
082:                    this );
083:
084:            private final ProgressObject[] progressObjects;
085:
086:            private String message = ""; // NOI18N
087:
088:            private StateType state = StateType.RUNNING;
089:
090:            /** Creates a new instance of MultipleOpsProgressObject */
091:            public MultiProgressObjectWrapper(ProgressObject[] objects) {
092:                Parameters.notNull("progObjs", state);
093:
094:                if (objects.length == 0) {
095:                    throw new IllegalArgumentException(
096:                            "At least one progress object must be passed."); // NOI18N
097:                }
098:
099:                progressObjects = new ProgressObject[objects.length];
100:                System
101:                        .arraycopy(objects, 0, progressObjects, 0,
102:                                objects.length);
103:
104:                for (int i = 0; i < objects.length; i++) {
105:                    ProgressObject po = objects[i];
106:                    // XXX unsafe publication
107:                    po.addProgressListener(this );
108:                }
109:
110:                updateState(null);
111:            }
112:
113:            /** JSR88 method. */
114:            public ClientConfiguration getClientConfiguration(
115:                    TargetModuleID targetModuleID) {
116:                return null; // PENDING
117:            }
118:
119:            /** JSR88 method. */
120:            public synchronized DeploymentStatus getDeploymentStatus() {
121:                DeploymentStatus ds = progressObjects[0].getDeploymentStatus();
122:                // all deployment objects are supposed to be of the same action and command type
123:                return new Status(ds.getAction(), ds.getCommand(), message,
124:                        state);
125:            }
126:
127:            /** JSR88 method. */
128:            public TargetModuleID[] getResultTargetModuleIDs() {
129:                List<TargetModuleID> returnVal = new ArrayList<TargetModuleID>();
130:                for (int i = 0; i < progressObjects.length; i++) {
131:                    ProgressObject po = progressObjects[i];
132:                    if (po.getDeploymentStatus().isCompleted()) {
133:                        returnVal.addAll(Arrays.asList(po
134:                                .getResultTargetModuleIDs()));
135:                    }
136:                }
137:                return returnVal.toArray(new TargetModuleID[returnVal.size()]);
138:            }
139:
140:            /** JSR88 method. */
141:            public boolean isCancelSupported() {
142:                return false;
143:            }
144:
145:            /** JSR88 method. */
146:            public void cancel() throws OperationUnsupportedException {
147:                throw new OperationUnsupportedException(
148:                        "cancel not supported in Tomcat deployment"); // NOI18N
149:            }
150:
151:            /** JSR88 method. */
152:            public boolean isStopSupported() {
153:                return false;
154:            }
155:
156:            /** JSR88 method. */
157:            public void stop() throws OperationUnsupportedException {
158:                throw new OperationUnsupportedException(
159:                        "stop not supported in Tomcat deployment"); // NOI18N
160:            }
161:
162:            /** JSR88 method. */
163:            public void addProgressListener(ProgressListener l) {
164:                pes.addProgressListener(l);
165:            }
166:
167:            /** JSR88 method. */
168:            public void removeProgressListener(ProgressListener l) {
169:                pes.removeProgressListener(l);
170:            }
171:
172:            /**
173:             * Handles the progress events from wrapped objects.
174:             */
175:            public synchronized void handleProgressEvent(
176:                    ProgressEvent progressEvent) {
177:                updateState(progressEvent.getDeploymentStatus().getMessage());
178:
179:                pes.fireHandleProgressEvent(progressEvent.getTargetModuleID(),
180:                        progressEvent.getDeploymentStatus());
181:            }
182:
183:            private synchronized void updateState(String receivedMessage) {
184:                if (state == StateType.COMPLETED || state == StateType.FAILED) {
185:                    return;
186:                }
187:
188:                boolean completed = true;
189:                boolean failed = false;
190:
191:                for (ProgressObject progress : progressObjects) {
192:                    DeploymentStatus status = progress.getDeploymentStatus();
193:
194:                    if (status == null
195:                            || (!status.isCompleted() && !status.isFailed())) {
196:                        completed = false;
197:                        break;
198:                    }
199:
200:                    if (status.isFailed()) {
201:                        failed = true;
202:                    }
203:                }
204:
205:                if (completed) {
206:                    state = failed ? StateType.FAILED : StateType.COMPLETED;
207:                    message = receivedMessage == null ? "" : receivedMessage;
208:                }
209:            }
210:        }
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