/*
* Copyright (C) 2007-2012 Argeo GmbH
*
* Licensed 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.argeo.eclipse.ui.workbench.commands;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import org.argeo.ArgeoException;
import org.argeo.eclipse.ui.specific.OpenFile;
import org.argeo.eclipse.ui.workbench.CommandUtils;
import org.argeo.eclipse.ui.workbench.WorkbenchUiPlugin;
import org.argeo.jcr.JcrUtils;
import org.argeo.eclipse.ui.workbench.jcr.internal.model.SingleJcrNodeElem;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* If the method
* HandlerUtil.getActiveWorkbenchWindow(event).getActivePage().getSelection()
* exits and has a SingleJcrNodeElem as first element, it canonically calls the
* JCR Session.exportSystemView() method on the underlying node with both
* skipBinary & noRecurse boolean flags set to false.
*
* Resulting stream is saved in a tmp file and opened via the "open file"
* single-sourced command.
*/
public class DumpNode extends AbstractHandler {
public final static String ID = WorkbenchUiPlugin.ID + ".dumpNode";
private final static DateFormat df = new SimpleDateFormat(
"yyyy-MM-dd_HH-mm");
public Object execute(ExecutionEvent event) throws ExecutionException {
ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event)
.getActivePage().getSelection();
if (selection == null || !(selection instanceof IStructuredSelection))
return null;
Iterator> lst = ((IStructuredSelection) selection).iterator();
if (lst.hasNext()) {
Object element = lst.next();
if (element instanceof SingleJcrNodeElem) {
SingleJcrNodeElem sjn = (SingleJcrNodeElem) element;
Node node = sjn.getNode();
// TODO add a dialog to configure the export and ask for
// confirmation
// Boolean ok = MessageDialog.openConfirm(
// HandlerUtil.getActiveShell(event), "Confirm deletion",
// "Do you want to delete " + buf + "?");
File tmpFile;
FileOutputStream fos;
try {
tmpFile = File.createTempFile("JcrExport", ".xml");
tmpFile.deleteOnExit();
fos = new FileOutputStream(tmpFile);
String dateVal = df.format(new GregorianCalendar()
.getTime());
node.getSession().exportSystemView(node.getPath(), fos,
true, false);
openGeneratedFile(tmpFile.getAbsolutePath(),
"Dump-" + JcrUtils.replaceInvalidChars(node.getName())+ "-" + dateVal + ".xml");
} catch (RepositoryException e) {
throw new ArgeoException(
"Unable to perform SystemExport on " + node, e);
} catch (IOException e) {
throw new ArgeoException("Unable to SystemExport " + node,
e);
}
}
}
return null;
}
private synchronized void openGeneratedFile(String path, String fileName) {
Map params = new HashMap();
params.put(OpenFile.PARAM_FILE_NAME, fileName);
params.put(OpenFile.PARAM_FILE_URI, "file://" + path);
CommandUtils.callCommand("org.argeo.security.ui.specific.openFile",
params);
}
}