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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
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*
* 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).
*
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package com.sun.tools.visualvm.threaddump;
import com.sun.tools.visualvm.application.Application;
import com.sun.tools.visualvm.application.jvm.JvmFactory;
import com.sun.tools.visualvm.core.datasource.descriptor.DataSourceDescriptorFactory;
import com.sun.tools.visualvm.core.datasupport.Stateful;
import com.sun.tools.visualvm.core.snapshot.RegisteredSnapshotCategories;
import com.sun.tools.visualvm.core.snapshot.SnapshotCategory;
import com.sun.tools.visualvm.core.ui.PluggableDataSourceViewProvider;
import com.sun.tools.visualvm.coredump.CoreDump;
import com.sun.tools.visualvm.threaddump.impl.ThreadDumpCategory;
import com.sun.tools.visualvm.threaddump.impl.ThreadDumpDescriptorProvider;
import com.sun.tools.visualvm.threaddump.impl.ThreadDumpProvider;
import com.sun.tools.visualvm.threaddump.impl.ThreadDumpViewProvider;
/**
* Support for thread dumps in VisualVM.
*
* @author Jiri Sedlacek
*/
public final class ThreadDumpSupport {
private static ThreadDumpSupport instance;
private final SnapshotCategory category = new ThreadDumpCategory();
private final ThreadDumpProvider threadDumpProvider;
private final ThreadDumpViewProvider threadDumpViewProvider;
/**
* Returns singleton instance of ThreadDumpSupport.
*
* @return singleton instance of ThreadDumpSupport.
*/
public static synchronized ThreadDumpSupport getInstance() {
if (instance == null) instance = new ThreadDumpSupport();
return instance;
}
/**
* Returns SnapshotCategory instance for thread dumps.
*
* @return SnapshotCategory instance for thread dumps.
*/
public SnapshotCategory getCategory() {
return category;
}
/**
* Returns true if taking thread dumps is supported for the application, false otherwise.
*
* @param application application from which to take the thread dump.
* @return true if taking thread dumps is supported for the application, false otherwise.
*/
public boolean supportsThreadDump(Application application) {
if (application.getState() != Stateful.STATE_AVAILABLE) return false;
return JvmFactory.getJVMFor(application).isTakeThreadDumpSupported();
}
/**
* Takes thread dump from Application.
*
* @param application Application to take the thread dump,
* @param openView true if taken thread dump should be opened, false otherwise.
*/
public void takeThreadDump(Application application, boolean openView) {
threadDumpProvider.createThreadDump(application, openView);
}
/**
* Takes thread dump from CoreDump.
*
* @param coreDump CoreDump to take the thread dump,
* @param openView true if taken thread dump should be opened, false otherwise.
*/
public void takeThreadDump(CoreDump coreDump, boolean openView) {
threadDumpProvider.createThreadDump(coreDump, openView);
}
/**
* Returns PluggableDataSourceViewProvider for thread dumps.
*
* @return PluggableDataSourceViewProvider for thread dumps.
*/
public PluggableDataSourceViewProvider<ThreadDump> getThreadDumpView() {
return threadDumpViewProvider;
}
private ThreadDumpSupport() {
DataSourceDescriptorFactory.getDefault().registerProvider(new ThreadDumpDescriptorProvider());
threadDumpProvider = new ThreadDumpProvider();
threadDumpProvider.initialize();
threadDumpViewProvider = new ThreadDumpViewProvider();
RegisteredSnapshotCategories.sharedInstance().registerCategory(category);
threadDumpViewProvider.initialize();
}
}