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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.wizards;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.Wizard;
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.monitor.core.StatusHandler;
import org.eclipse.mylyn.tasks.core.AbstractTaskContainer;
import org.eclipse.mylyn.tasks.core.AbstractTask;
import org.eclipse.mylyn.tasks.core.TaskList;
import org.eclipse.mylyn.tasks.ui.TasksUiPlugin;
import org.eclipse.ui.IImportWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.progress.IProgressService;
/**
* @author Rob Elves
*/
public class TaskDataImportWizard extends Wizard implements IImportWizard {
private final static String SETTINGS_SECTION = "org.eclipse.mylyn.tasklist.ui.importWizard";
private final static String WINDOW_TITLE = "Import";
private TaskDataImportWizardPage importPage = null;
public TaskDataImportWizard() {
super();
IDialogSettings masterSettings = TasksUiPlugin.getDefault().getDialogSettings();
setDialogSettings(getSettingsSection(masterSettings));
setNeedsProgressMonitor(true);
setWindowTitle(WINDOW_TITLE);
}
/**
* Finds or creates a dialog settings section that is used to make the dialog control settings persistent
*/
public IDialogSettings getSettingsSection(IDialogSettings master) {
IDialogSettings settings = master.getSection(SETTINGS_SECTION);
if (settings == null) {
settings = master.addNewSection(SETTINGS_SECTION);
}
return settings;
}
@Override
public void addPages() {
importPage = new TaskDataImportWizardPage();
importPage.setWizard(this);
addPage(importPage);
}
public void init(IWorkbench workbench, IStructuredSelection selection) {
// no initialization needed
}
@Override
public boolean canFinish() {
return importPage.isPageComplete();
}
/**
* Called when the user clicks finish. Saves the task data. Waits until all overwrite decisions have been made
* before starting to save files. If any overwrite is canceled, no files are saved and the user must adjust the
* dialog.
*/
@Override
public boolean performFinish() {
TasksUiPlugin.getTaskListManager().deactivateTask(
TasksUiPlugin.getTaskListManager().getTaskList().getActiveTask());
File sourceDirFile = null;
File sourceZipFile = null;
File sourceTaskListFile = null;
File sourceRepositoriesFile = null;
File sourceActivationHistoryFile = null;
List<File> contextFiles = new ArrayList<File>();
List<ZipEntry> zipFilesToExtract = new ArrayList<ZipEntry>();
boolean overwrite = importPage.overwrite();
// zip = true post 1.0.1, see history for folder import
// boolean zip = importPage.zip();
String sourceZip = importPage.getSourceZipFile();
sourceZipFile = new File(sourceZip);
if (!sourceZipFile.exists()) {
MessageDialog.openError(getShell(), "File not found", sourceZipFile.toString() + " could not be found.");
return false;
}
Enumeration<? extends ZipEntry> entries;
ZipFile zipFile;
try {
zipFile = new ZipFile(sourceZipFile, ZipFile.OPEN_READ);
entries = zipFile.entries();
while (entries.hasMoreElements()) {
ZipEntry entry = entries.nextElement();
if (entry.isDirectory()) {
// ignore directories (shouldn't be any)
continue;
}
if (!importPage.importTaskList() && entry.getName().endsWith(ITasksUiConstants.OLD_TASK_LIST_FILE)) {
continue;
}
if (!importPage.importActivationHistory()
&& entry.getName().endsWith(
InteractionContextManager.CONTEXT_HISTORY_FILE_NAME
+ InteractionContextManager.CONTEXT_FILE_EXTENSION_OLD)) {
continue;
}
if (!importPage.importTaskContexts()
&& entry.getName().matches(
".*-\\d*" + InteractionContextManager.CONTEXT_FILE_EXTENSION_OLD + "$")) {
continue;
}
File destContextFile = new File(TasksUiPlugin.getDefault().getDataDirectory() + File.separator
+ entry.getName());
if (!overwrite && destContextFile.exists()) {
if (MessageDialog.openConfirm(getShell(), "File exists!", "Overwrite existing file?\n"
+ destContextFile.getName())) {
zipFilesToExtract.add(entry);
} else {
// no overwrite
}
} else {
zipFilesToExtract.add(entry);
}
}
} catch (IOException e) {
StatusHandler.fail(e, "Could not import files", true);
}
FileCopyJob job = new FileCopyJob(sourceDirFile, sourceZipFile, sourceTaskListFile, sourceRepositoriesFile,
sourceActivationHistoryFile, contextFiles, zipFilesToExtract);
IProgressService service = PlatformUI.getWorkbench().getProgressService();
try {
service.run(true, false, job);
} catch (InvocationTargetException e) {
StatusHandler.fail(e, "Could not import files", true);
} catch (InterruptedException e) {
StatusHandler.fail(e, "Could not import files", true);
}
importPage.saveSettings();
return true;
}
/** Job that performs the file copying and zipping */
class FileCopyJob implements IRunnableWithProgress {
private static final String JOB_LABEL = "Importing Data";
private File sourceZipFile = null;
private List<ZipEntry> zipEntriesToExtract;
public FileCopyJob(File sourceFolder, File sourceZipFile, File sourceTaskListFile, File sourceRepositoriesFile,
File sourceActivationHistoryFile, List<File> contextFiles, List<ZipEntry> zipEntries) {
this.sourceZipFile = sourceZipFile;
this.zipEntriesToExtract = zipEntries;
}
public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
// always a zip source since post 1.0.1
monitor.beginTask(JOB_LABEL, zipEntriesToExtract.size() + 2);
try {
ZipFileUtil.extactEntries(sourceZipFile, zipEntriesToExtract, TasksUiPlugin.getDefault()
.getDataDirectory());
//ZipFileUtil.unzipFiles(sourceZipFile, TasksUiPlugin.getDefault().getDataDirectory());
} catch (IOException ioe) {
StatusHandler.fail(new Exception("Import Exception"), "Problem occured extracting from zip file.", true);
return;
}
readTaskListData();
monitor.done();
return;
}
}
/** Returns all tasks in the task list root or a category in the task list */
protected List<AbstractTask> getAllTasks() {
List<AbstractTask> allTasks = new ArrayList<AbstractTask>();
TaskList taskList = TasksUiPlugin.getTaskListManager().getTaskList();
allTasks.addAll(taskList.getDefaultCategory().getChildren());
for (AbstractTaskContainer category : taskList.getCategories()) {
allTasks.addAll(category.getChildren());
}
return allTasks;
}
private void readTaskListData() {
PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() {
public void run() {
TasksUiPlugin.getDefault().reloadDataDirectory(true);
}
});
}
}
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