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.logging.Level;
045: import java.util.logging.Logger;
046: import javax.enterprise.deploy.spi.TargetModuleID;
047: import javax.enterprise.deploy.spi.status.DeploymentStatus;
048: import javax.enterprise.deploy.spi.status.ProgressEvent;
049: import javax.enterprise.deploy.spi.status.ProgressListener;
050: import org.openide.util.Parameters;
051:
052: /**
053: * This is a utility class that can be used by ProgressObject's,
054: * You can use an instance of this class as a member field
055: * of your ProgressObject and delegate various work to it.
056: *
057: * @author Radim Kubacki
058: */
059: public class ProgressEventSupport {
060:
061: /** Source object. */
062: private Object obj;
063:
064: private java.util.Vector listeners;
065:
066: private DeploymentStatus status;
067:
068: /**
069: * Constructs a <code>ProgressEventSupport</code> object.
070: *
071: * @param source Source for any events.
072: */
073: public ProgressEventSupport(Object source) {
074: Parameters.notNull("source", source);
075:
076: obj = source;
077: }
078:
079: /** Add a ProgressListener to the listener list. */
080: public synchronized void addProgressListener(ProgressListener lsnr) {
081: if (listeners == null) {
082: listeners = new java.util.Vector();
083: }
084: listeners.addElement(lsnr);
085: }
086:
087: /** Remove a ProgressListener from the listener list. */
088: public synchronized void removeProgressListener(
089: ProgressListener lsnr) {
090: if (listeners == null) {
091: return;
092: }
093: listeners.removeElement(lsnr);
094: }
095:
096: /** Report event to any registered listeners. */
097: public void fireHandleProgressEvent(TargetModuleID targetModuleID,
098: DeploymentStatus sCode) {
099: Logger.getLogger(ProgressEventSupport.class.getName()).log(
100: Level.FINE,
101: "progress event from " + obj + " status " + sCode); // NOI18N
102: synchronized (this ) {
103: status = sCode;
104: }
105: ProgressEvent evt = new ProgressEvent(obj, targetModuleID,
106: sCode);
107: java.util.Vector targets = null;
108: synchronized (this ) {
109: if (listeners != null) {
110: targets = (java.util.Vector) listeners.clone();
111: }
112: }
113:
114: if (targets != null) {
115: for (int i = 0; i < targets.size(); i++) {
116: ProgressListener target = (ProgressListener) targets
117: .elementAt(i);
118: target.handleProgressEvent(evt);
119: }
120: }
121: }
122:
123: /** Returns last DeploymentStatus notified by {@link fireHandleProgressEvent}
124: */
125: public synchronized DeploymentStatus getDeploymentStatus() {
126: return status;
127: }
128: }
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