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/*******************************************************************************
* Copyright (c) 2004, 2007 Mylyn project committers 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
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.mylyn.context.core.ContextCorePlugin;
import org.eclipse.mylyn.internal.context.core.InteractionContextManager;
import org.eclipse.mylyn.internal.monitor.core.util.ZipFileUtil;
import org.eclipse.mylyn.internal.tasks.ui.ITasksUiConstants;
import org.eclipse.mylyn.internal.tasks.ui.WorkspaceAwareContextStore;
import org.eclipse.mylyn.monitor.core.StatusHandler;
import org.eclipse.mylyn.tasks.core.AbstractTask;
import org.eclipse.mylyn.tasks.core.TaskRepositoryManager;
import org.eclipse.mylyn.tasks.ui.TasksUiPlugin;
/**
* Job that performs exporting (copying or zipping) of Mylar Task List data Assumes that check with user for overwrite
* already done. Overwrites destination if exists!
*
* @author Wesley Coelho
* @author Mik Kersten
* @author Rob Elves
*/
public class TaskDataExportJob implements IRunnableWithProgress {
private static final String JOB_LABEL = "Exporting Mylar Task Data";
private boolean zip;
private boolean exportTaskList;
private boolean exportActivationHistory;
private boolean exportTaskContexts;
private String destinationDirectory;
private String zipFileName;
private File destZipFile = null;
private Collection<AbstractTask> tasks;
/** export all data */
public TaskDataExportJob(String destinationDirectory, boolean zipIt, String zipFileName) {
this(destinationDirectory, true, true, true, zipIt, zipFileName, TasksUiPlugin.getTaskListManager()
.getTaskList()
.getAllTasks());
}
/** export specified data */
public TaskDataExportJob(String destinationDirectory, boolean exportTaskList, boolean exportActivationHistory,
boolean exportTaskContexts, boolean zipIt, String zipFileName, Collection<AbstractTask> taskContextsToExport) {
this.zipFileName = zipFileName;
this.zip = zipIt;
this.exportTaskList = exportTaskList;
this.exportActivationHistory = exportActivationHistory;
this.exportTaskContexts = exportTaskContexts;
this.destinationDirectory = destinationDirectory;
this.tasks = taskContextsToExport;
}
public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
// Collection<ITask> tasks =
// MylarTaskListPlugin.getTaskListManager().getTaskList().getAllTasks();
int jobSize = 1; // 1 for repositories.xml
if (exportTaskList)
jobSize++;
if (exportActivationHistory)
jobSize++;
if (exportTaskContexts)
jobSize += tasks.size();
monitor.beginTask(JOB_LABEL, jobSize);
// List of files to add to the zip archive
List<File> filesToZip = new ArrayList<File>();
// Map of file paths used to avoid duplicates
Map<String, String> filesToZipMap = new HashMap<String, String>();
// Create folders in zip file before contained files
String sourceContextsPath = TasksUiPlugin.getDefault().getDataDirectory() + File.separator
+ WorkspaceAwareContextStore.CONTEXTS_DIRECTORY;
File contextsDirectory = new File(sourceContextsPath);
// if(contextsDirectory.exists()) {
// filesToZip.add(contextsDirectory);
// }
if (true) {
// Repositories always exported
TasksUiPlugin.getRepositoryManager().saveRepositories(TasksUiPlugin.getDefault().getRepositoriesFilePath());
String sourceRepositoriesPath = TasksUiPlugin.getDefault().getDataDirectory() + File.separator
+ TaskRepositoryManager.DEFAULT_REPOSITORIES_FILE;
File sourceRepositoriesFile = new File(sourceRepositoriesPath);
if (sourceRepositoriesFile.exists()) {
File destRepositoriesFile = new File(destinationDirectory + File.separator
+ TaskRepositoryManager.DEFAULT_REPOSITORIES_FILE);
if (zip) {
filesToZip.add(sourceRepositoriesFile);
} else if (!destRepositoriesFile.equals(sourceRepositoriesFile)) {
if (destRepositoriesFile.exists()) {
destRepositoriesFile.delete();
}
if (!copy(sourceRepositoriesFile, destRepositoriesFile)) {
StatusHandler.fail(new Exception("Export Exception"), "Could not export repositories file.",
false);
}
monitor.worked(1);
}
}
}
if (exportTaskList) {
TasksUiPlugin.getTaskListManager().saveTaskList();
String sourceTaskListPath = TasksUiPlugin.getDefault().getDataDirectory() + File.separator
+ ITasksUiConstants.DEFAULT_TASK_LIST_FILE;
File sourceTaskListFile = new File(sourceTaskListPath);
if (sourceTaskListFile.exists()) {
File destTaskListFile = new File(destinationDirectory + File.separator
+ ITasksUiConstants.DEFAULT_TASK_LIST_FILE);
if (zip) {
filesToZip.add(sourceTaskListFile);
} else if (!destTaskListFile.equals(sourceTaskListFile)) {
if (destTaskListFile.exists()) {
destTaskListFile.delete();
}
if (!copy(sourceTaskListFile, destTaskListFile)) {
StatusHandler.fail(new Exception("Export Exception"), "Could not export task list file.", false);
}
monitor.worked(1);
}
}
}
if (exportActivationHistory) {
try {
File sourceActivationHistoryFile = new File(contextsDirectory,
InteractionContextManager.CONTEXT_HISTORY_FILE_NAME
+ InteractionContextManager.CONTEXT_FILE_EXTENSION);
if (sourceActivationHistoryFile.exists()) {
ContextCorePlugin.getContextManager().saveActivityContext();
File destActivationHistoryFile = new File(destinationDirectory + File.separator
+ InteractionContextManager.CONTEXT_HISTORY_FILE_NAME
+ InteractionContextManager.CONTEXT_FILE_EXTENSION);
if (zip) {
filesToZip.add(sourceActivationHistoryFile);
} else if (!destActivationHistoryFile.equals(sourceActivationHistoryFile)) {
if (destActivationHistoryFile.exists()) {
destActivationHistoryFile.delete();
}
copy(sourceActivationHistoryFile, destActivationHistoryFile);
monitor.worked(1);
}
}
} catch (RuntimeException e) {
StatusHandler.fail(e, "Could not export activity history context file", true);
}
}
if (exportTaskContexts) {
// Prevent many repeated error messages
boolean errorDisplayed = false;
for (AbstractTask task : tasks) {
if (!ContextCorePlugin.getContextManager().hasContext(task.getHandleIdentifier())) {
continue; // Tasks without a context have no file to
// copy
}
File sourceTaskContextFile = ContextCorePlugin.getContextManager().getFileForContext(
task.getHandleIdentifier());
File destTaskFile = new File(destinationDirectory + File.separator + sourceTaskContextFile.getName());
if (zip) {
if (!filesToZipMap.containsKey(task.getHandleIdentifier())) {
filesToZip.add(sourceTaskContextFile);
filesToZipMap.put(task.getHandleIdentifier(), null);
}
} else if (!sourceTaskContextFile.equals(destTaskFile)) {
if (destTaskFile.exists()) {
destTaskFile.delete();
}
if (!copy(sourceTaskContextFile, destTaskFile) && !errorDisplayed) {
StatusHandler.fail(new Exception("Export Exception: " + sourceTaskContextFile.getPath()
+ " -> " + destTaskFile.getPath()), "Could not export one or more task context files.",
true);
errorDisplayed = true;
}
monitor.worked(1);
}
}
}
if (zip && filesToZip.size() > 0) {
try {
destZipFile = new File(destinationDirectory + File.separator + zipFileName);
if (destZipFile.exists()) {
destZipFile.delete();
}
ZipFileUtil.createZipFile(destZipFile, filesToZip, TasksUiPlugin.getDefault().getDataDirectory(),
monitor);
} catch (Exception e) {
StatusHandler.fail(e, "Could not create zip file.", true);
}
}
monitor.done();
}
private boolean copy(File src, File dst) {
try {
InputStream in = new FileInputStream(src);
OutputStream out = new FileOutputStream(dst);
// Transfer bytes from in to out
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
in.close();
out.close();
return true;
} catch (IOException ioe) {
return false;
}
}
}
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