| /******************************************************************************* |
| * Copyright (c) 2012, 2014 Sebastian Schmidt 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: |
| * Sebastian Schmidt - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.debug.ui; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Arrays; |
| |
| import org.apache.commons.io.IOUtils; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.model.IBreakpoint; |
| |
| /** |
| * Saves and restores breakpoints state using a designated file. |
| * |
| * @author Sebastian Schmidt |
| */ |
| public class BreakpointsStateUtil { |
| |
| public static final String STATE_FILE = "storedBreakpoints.xml"; //$NON-NLS-1$ |
| |
| private final IPath pluginStateDir; |
| |
| public BreakpointsStateUtil(IPath pluginStateDir) { |
| this.pluginStateDir = pluginStateDir; |
| } |
| |
| public void saveState() { |
| IBreakpoint[] breakpoints = DebugPlugin.getDefault().getBreakpointManager().getBreakpoints(); |
| InputStream exportedBreakpoints = BreakpointsContextUtil.exportBreakpoints(Arrays.asList(breakpoints), |
| new NullProgressMonitor()); |
| File stateFile = resetStateFile(); |
| if (exportedBreakpoints != null) { |
| saveStateFile(stateFile, exportedBreakpoints); |
| } |
| } |
| |
| public void restoreState() { |
| File stateFile = getStateFile(); |
| try { |
| BreakpointsContextUtil.importBreakpoints(new FileInputStream(stateFile), new NullProgressMonitor()); |
| } catch (FileNotFoundException e) { |
| // ok, nothing to restore than. |
| } |
| } |
| |
| private File resetStateFile() { |
| File stateFile = getStateFile(); |
| stateFile.getParentFile().mkdirs(); |
| if (stateFile.exists()) { |
| stateFile.delete(); |
| } |
| return stateFile; |
| } |
| |
| private File getStateFile() { |
| return pluginStateDir.append(BreakpointsStateUtil.STATE_FILE).toFile(); |
| } |
| |
| private void saveStateFile(File stateFile, InputStream exportedBreakpoints) { |
| FileOutputStream output = null; |
| if (!stateFile.exists()) { |
| try { |
| stateFile.createNewFile(); |
| } catch (IOException e) { |
| return; |
| } |
| } |
| try { |
| output = new FileOutputStream(stateFile); |
| } catch (FileNotFoundException e) { |
| return; |
| } |
| try { |
| IOUtils.copy(exportedBreakpoints, output); |
| } catch (IOException e) { |
| // FIXME |
| } finally { |
| try { |
| output.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| } |