| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.netbeans.modules.profiler; |
| |
| import org.openide.filesystems.FileChangeAdapter; |
| import org.openide.filesystems.FileEvent; |
| import org.openide.filesystems.FileObject; |
| import org.openide.filesystems.FileUtil; |
| import org.openide.util.NbBundle; |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.netbeans.lib.profiler.common.ProfilingSettings; |
| import org.netbeans.modules.profiler.api.ProfilerDialogs; |
| import org.netbeans.modules.profiler.api.ProfilerIDESettings; |
| import org.netbeans.modules.profiler.api.ProfilerStorage; |
| import org.netbeans.modules.profiler.spi.SessionListener; |
| import org.netbeans.modules.profiler.v2.SnapshotsWindow; |
| import org.openide.util.Lookup; |
| import org.openide.util.Lookup.Provider; |
| import org.openide.util.lookup.ServiceProvider; |
| |
| |
| /** |
| * |
| * @author Jaroslav Bachorik |
| */ |
| @NbBundle.Messages({ |
| "HeapDumpWatch_OOME_PROTECTION_OPEN_HEAPDUMP=Profiled application crashed and generated heap dump.\nDo you wish to open it in heapwalker?", |
| "HeapDumpWatch_OOME_PROTECTION_REMOVE_HEAPDUMP=You chose not to open the generated heap dump.\nThe heap dump can take a significant amount of disk space.\nShould it be deleted?" |
| }) |
| @ServiceProvider(service=SessionListener.class) |
| public class HeapDumpWatch extends SessionListener.Adapter { |
| private static final Logger LOG = Logger.getLogger(HeapDumpWatch.class.getName()); |
| |
| //~ Inner Classes ------------------------------------------------------------------------------------------------------------ |
| |
| private class HeapDumpFolderListener extends FileChangeAdapter { |
| //~ Methods -------------------------------------------------------------------------------------------------------------- |
| |
| public void fileDataCreated(FileEvent fileEvent) { |
| captureHeapDump(fileEvent.getFile()); |
| } |
| } |
| |
| //~ Instance fields ---------------------------------------------------------------------------------------------------------- |
| |
| private FileObject monitoredPath; |
| private HeapDumpFolderListener listener; |
| |
| //~ Constructors ------------------------------------------------------------------------------------------------------------- |
| |
| /** Creates a new instance of HeapDumpWatch */ |
| public HeapDumpWatch() { |
| listener = new HeapDumpFolderListener(); |
| } |
| |
| public static String getHeapDumpPath(Lookup.Provider project) { |
| ProfilerIDESettings gps = ProfilerIDESettings.getInstance(); |
| if (!gps.isOOMDetectionEnabled()) return null; |
| |
| int oomeDetectionMode = gps.getOOMDetectionMode(); |
| |
| switch (oomeDetectionMode) { |
| case ProfilerIDESettings.OOME_DETECTION_TEMPDIR: |
| return System.getProperty("java.io.tmpdir"); // NOI18N |
| case ProfilerIDESettings.OOME_DETECTION_PROJECTDIR: |
| |
| try { |
| return FileUtil.toFile(ProfilerStorage.getProjectFolder(project, true)).getAbsolutePath(); |
| } catch (IOException e) { |
| LOG.log(Level.WARNING, "Cannot resolve project settings directory:\n" + e.getMessage(), e); |
| |
| return null; |
| } |
| case ProfilerIDESettings.OOME_DETECTION_CUSTOMDIR: |
| return gps.getCustomHeapdumpPath(); |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public void onShutdown() { |
| release(); |
| } |
| |
| @Override |
| public void onStartup(ProfilingSettings ps, Provider p) { |
| if (ProfilerIDESettings.getInstance().isOOMDetectionEnabled()) { |
| String oomePath = getHeapDumpPath(p); |
| if (oomePath != null) { |
| monitor(oomePath); |
| } |
| } |
| } |
| |
| //~ Methods ------------------------------------------------------------------------------------------------------------------ |
| private void monitor(String path) throws IllegalArgumentException { |
| if ((path == null) || (path.length() == 0)) { |
| throw new IllegalArgumentException("The path \"" + path + "\" can't be null."); // NOI18N |
| } |
| |
| FileObject fo = FileUtil.toFileObject(FileUtil.normalizeFile(new File(path))); |
| |
| if (fo != null) { |
| if (!fo.isFolder()) { |
| throw new IllegalArgumentException("The given path \"" + path + "\" is invalid. It must be a folder"); // NOI18N |
| } |
| |
| fo.getChildren(); |
| fo.addFileChangeListener(listener); |
| monitoredPath = fo; |
| } |
| } |
| |
| private void captureHeapDump(FileObject heapDump) { |
| if (!heapDump.getExt().equals(ResultsManager.HEAPDUMP_EXTENSION)) { |
| return; // NOI18N |
| } |
| |
| if (heapDump.getName().startsWith(ResultsManager.HEAPDUMP_PREFIX)) { |
| return; // custom heapdump |
| } |
| |
| SnapshotsWindow.instance().refreshFolder(heapDump.getParent(), true); |
| // if (ProfilerControlPanel2.hasDefault()) |
| // ProfilerControlPanel2.getDefault().refreshSnapshotsList(); // refresh list of snapshots |
| |
| try { |
| if (ProfilerDialogs.displayConfirmation(Bundle.HeapDumpWatch_OOME_PROTECTION_OPEN_HEAPDUMP())) { |
| ResultsManager.getDefault().openSnapshot(heapDump); |
| } else if (ProfilerDialogs.displayConfirmation(Bundle.HeapDumpWatch_OOME_PROTECTION_REMOVE_HEAPDUMP())) { |
| heapDump.delete(); |
| SnapshotsWindow.instance().refreshFolder(heapDump.getParent(), true); |
| // if (ProfilerControlPanel2.hasDefault()) |
| // ProfilerControlPanel2.getDefault().refreshSnapshotsList(); |
| } |
| } catch (FileNotFoundException ex) { |
| ex.printStackTrace(); |
| } catch (IOException ex) { |
| ex.printStackTrace(); |
| } finally { |
| release(); |
| } |
| } |
| |
| private void release() { |
| if (monitoredPath != null) { |
| monitoredPath.removeFileChangeListener(listener); |
| monitoredPath = null; |
| } |
| } |
| } |