/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.visualvm.heapdump.impl;
import com.sun.tools.visualvm.application.Application;
import com.sun.tools.visualvm.application.jvm.Jvm;
import com.sun.tools.visualvm.application.jvm.JvmFactory;
import com.sun.tools.visualvm.core.datasupport.Stateful;
import com.sun.tools.visualvm.core.ui.actions.ActionUtils;
import com.sun.tools.visualvm.core.ui.actions.SingleDataSourceAction;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Set;
import org.openide.util.NbBundle;
/**
*
* @author Jiri Sedlacek
* @author Tomas Hurka
* @author Luis-Miguel Alventosa
*/
class HeapDumpOnOOMEAction extends SingleDataSourceAction<Application> {
private boolean oomeEnabled;
private Application lastSelectedApplication;
private final PropertyChangeListener stateListener = new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
updateState(ActionUtils.getSelectedDataSources(Application.class));
}
};
private static HeapDumpOnOOMEAction instance;
public static synchronized HeapDumpOnOOMEAction instance() {
if (instance == null)
instance = new HeapDumpOnOOMEAction();
return instance;
}
protected void actionPerformed(Application application, ActionEvent actionEvent) {
Jvm jvm = JvmFactory.getJVMFor(application);
jvm.setDumpOnOOMEnabled(!oomeEnabled);
updateState(jvm);
}
protected boolean isEnabled(Application application) {
lastSelectedApplication = application;
lastSelectedApplication.addPropertyChangeListener(Stateful.PROPERTY_STATE, stateListener);
if (application.getState() != Stateful.STATE_AVAILABLE) return false;
Jvm jvm = JvmFactory.getJVMFor(application);
if (!jvm.isDumpOnOOMEnabledSupported()) return false;
updateState(jvm);
return true;
}
private void updateState(Jvm jvm) {
oomeEnabled = jvm.isDumpOnOOMEnabled();
if (oomeEnabled) {
putValue(NAME, NbBundle.getMessage(HeapDumpOnOOMEAction.class, "LBL_Disable_Heap_Dump_on_OOME")); // NOI18N
putValue(SHORT_DESCRIPTION, NbBundle.getMessage(HeapDumpOnOOMEAction.class, "DESCR_Disable_Heap_Dump_on_OOME")); // NOI18N
} else {
putValue(NAME, NbBundle.getMessage(HeapDumpOnOOMEAction.class, "LBL_Enable_Heap_Dump_on_OOME")); // NOI18N
putValue(SHORT_DESCRIPTION, NbBundle.getMessage(HeapDumpOnOOMEAction.class, "DESCR_Enable_Heap_Dump_on_OOME")); // NOI18N
}
}
protected void updateState(Set<Application> applications) {
if (lastSelectedApplication != null) {
lastSelectedApplication.removePropertyChangeListener(Stateful.PROPERTY_STATE, stateListener);
lastSelectedApplication = null;
}
super.updateState(applications);
}
private HeapDumpOnOOMEAction() {
super(Application.class);
}
}