| /******************************************************************************* |
| * Copyright (c) 2004, 2008 Tasktop Technologies and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.monitor.core; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.mylyn.commons.core.StatusHandler; |
| import org.eclipse.mylyn.internal.monitor.core.IMonitorCoreConstants; |
| |
| /** |
| * Used for logging interaction events. |
| * |
| * @author Mik Kersten |
| * @since 2.0 |
| */ |
| public abstract class AbstractMonitorLog { |
| |
| protected File outputFile; |
| |
| protected FileOutputStream outputStream; |
| |
| protected boolean started = false; |
| |
| public AbstractMonitorLog() { |
| super(); |
| } |
| |
| public void startMonitoring() { |
| synchronized (this) { |
| if (started) { |
| return; |
| } else { |
| started = true; |
| } |
| } |
| try { |
| if (!outputFile.exists()) { |
| outputFile.createNewFile(); |
| } |
| outputStream = new FileOutputStream(outputFile, true); |
| } catch (Exception e) { |
| StatusHandler.log(new Status(IStatus.ERROR, IMonitorCoreConstants.ID_PLUGIN, "Could not log to file: " //$NON-NLS-1$ |
| + outputFile.getAbsolutePath(), e)); |
| } |
| } |
| |
| public void stopMonitoring() { |
| try { |
| if (outputStream != null) { |
| outputStream.flush(); |
| outputStream.close(); |
| } |
| started = false; |
| } catch (IOException e) { |
| StatusHandler.log(new Status(IStatus.ERROR, IMonitorCoreConstants.ID_PLUGIN, |
| "Could not close interaction event stream", e)); //$NON-NLS-1$ |
| } |
| } |
| |
| public File moveOutputFile(String newPath) { |
| stopMonitoring(); |
| File newFile = new File(newPath); |
| try { |
| if (outputFile.exists() && !newFile.exists()) { |
| outputFile.renameTo(newFile); |
| } else if (!newFile.exists()) { |
| newFile.createNewFile(); |
| outputFile.delete(); |
| } else { |
| outputFile.delete(); |
| } |
| this.outputFile = newFile; |
| } catch (Exception e) { |
| StatusHandler.log(new Status(IStatus.ERROR, IMonitorCoreConstants.ID_PLUGIN, |
| "Could not set logger output file", e)); //$NON-NLS-1$ |
| } |
| startMonitoring(); |
| return newFile; |
| } |
| |
| public File getOutputFile() { |
| return outputFile; |
| } |
| |
| } |