ExportHandler.java

/*******************************************************************************
 * Copyright 2016 Geoscience Australia
 *
 * 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 au.gov.ga.earthsci.bookmark.ui.handlers;

import java.io.File;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.inject.Inject;
import javax.inject.Named;
import javax.xml.transform.TransformerException;

import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Shell;

import au.gov.ga.earthsci.bookmark.io.BookmarksPersister;
import au.gov.ga.earthsci.bookmark.model.IBookmarks;
import au.gov.ga.earthsci.common.persistence.PersistenceException;

/**
 * Export a list of layers.
 *
 * @author Michael de Hoog
 */
public class ExportHandler
{
	@Inject
	private IBookmarks bookmarks;

	@Execute
	public void execute(@Named(IServiceConstants.ACTIVE_SHELL) Shell shell) throws IOException, TransformerException,
			PersistenceException
	{
		Date date = new Date();
		DateFormat format = new SimpleDateFormat("yyyyMMdd_HHmmss"); //$NON-NLS-1$
		FileDialog dialog = new FileDialog(shell, SWT.SAVE);
		dialog.setFilterExtensions(new String[] { "*.xml" }); //$NON-NLS-1$
		dialog.setFilterNames(new String[] { "XML file" }); //$NON-NLS-1$
		dialog.setFileName("bookmarks_" + format.format(date) + ".xml"); //$NON-NLS-1$ //$NON-NLS-2$
		String filename = dialog.open();

		if (filename == null)
		{
			return;
		}

		File file = new File(filename);
		BookmarksPersister.saveBookmarks(bookmarks, file);
	}
}