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: package org.netbeans.modules.debugger.jpda.actions;
042:
043: import java.util.Iterator;
044: import java.util.List;
045: import org.netbeans.spi.debugger.ContextProvider;
046: import org.netbeans.api.debugger.jpda.JPDAThread;
047: import org.netbeans.api.debugger.jpda.SmartSteppingFilter;
048: import org.netbeans.spi.debugger.jpda.SmartSteppingCallback;
049:
050: /**
051: * Loads all different SmartSteppingListeners and delegates to them.
052: *
053: * @author Jan Jancura
054: */
055: public class CompoundSmartSteppingListener extends
056: SmartSteppingCallback {
057:
058: private List smartSteppings;
059: private ContextProvider lookupProvider;
060:
061: private static boolean ssverbose = System
062: .getProperty("netbeans.debugger.smartstepping") != null;
063:
064: public CompoundSmartSteppingListener(ContextProvider lookupProvider) {
065: this .lookupProvider = lookupProvider;
066: SmartSteppingFilter smartSteppingFilter = lookupProvider
067: .lookupFirst(null, SmartSteppingFilter.class);
068: initFilter(smartSteppingFilter);
069: }
070:
071: public void initFilter(SmartSteppingFilter filter) {
072: // init list of smart stepping listeners
073: smartSteppings = lookupProvider.lookup(null,
074: SmartSteppingCallback.class);
075: Iterator i = smartSteppings.iterator();
076: while (i.hasNext()) {
077: SmartSteppingCallback ss = (SmartSteppingCallback) i.next();
078: ss.initFilter(filter);
079: }
080: }
081:
082: /**
083: * Asks all SmartSteppingListener listeners if executiong should stop on the
084: * current place represented by JPDAThread.
085: */
086: public boolean stopHere(ContextProvider lookupProvider,
087: JPDAThread t, SmartSteppingFilter smartSteppingFilter) {
088: if (ssverbose)
089: System.out
090: .println("\nSS CompoundSmartSteppingListener.stopHere? : "
091: + t.getClassName()
092: + '.'
093: + t.getMethodName()
094: + ':'
095: + t.getLineNumber(null));
096:
097: Iterator i = smartSteppings.iterator();
098: boolean stop = true;
099: while (i.hasNext()) {
100: SmartSteppingCallback ss = (SmartSteppingCallback) i.next();
101: boolean sh = ss.stopHere(lookupProvider, t,
102: smartSteppingFilter);
103: stop = stop && sh;
104: if (ssverbose)
105: System.out.println("SS " + ss.getClass() + " = "
106: + sh);
107: }
108: return stop;
109: }
110: }
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