taverna-workbench-results-view/src/main/java/net/sf/taverna/t2/workbench/views/results/saveactions/SaveAllResultsToFileSystem.java

/*******************************************************************************
 * Copyright (C) 2007 The University of Manchester
 *
 *  Modifications to the initial code base are copyright of their
 *  respective authors, or their employers as appropriate.
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1 of
 *  the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 ******************************************************************************/
package net.sf.taverna.t2.workbench.views.results.saveactions;

import static java.nio.file.Files.copy;
import static java.nio.file.Files.exists;
import static java.nio.file.Files.isDirectory;
import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
import static javax.swing.JFileChooser.DIRECTORIES_ONLY;
import static org.purl.wf4ever.robundle.Bundles.copyRecursively;

import java.io.File;
import java.io.IOException;
import java.nio.file.Path;

import javax.swing.AbstractAction;

import net.sf.taverna.t2.workbench.icons.WorkbenchIcons;

/**
 * Stores results to the file system.
 *
 * @author David Withers
 */
@SuppressWarnings("serial")
public class SaveAllResultsToFileSystem extends SaveAllResultsSPI {
	public SaveAllResultsToFileSystem(){
		super();
		putValue(NAME, "Save as directory");
		putValue(SMALL_ICON, WorkbenchIcons.saveAllIcon);
	}

	@Override
	public AbstractAction getAction() {
		return new SaveAllResultsToFileSystem();
	}

	/**
	 * Saves the result data as a file structure
	 * 
	 * @throws IOException
	 */
	@Override
	protected void saveData(File directory) throws IOException {
		if (directory.exists() && !directory.isDirectory())
			throw new IOException(directory.getName() + " is not a directory.");
		for (String portName : chosenReferences.keySet())
			writeToFileSystem(chosenReferences.get(portName), new File(
					directory, portName));
	}

	/**
	 * Write a specific object to the filesystem this has no access to metadata
	 * about the object and so is not particularly clever. A File object
	 * representing the file or directory that has been written is returned.
	 */
	public File writeToFileSystem(Path source, File destination)
			throws IOException {
		destination.mkdirs();
		if (isDirectory(source))
			copyRecursively(source, destination.toPath(), REPLACE_EXISTING);
		else if (exists(source))
			copy(source, destination.toPath(), REPLACE_EXISTING);
		return destination;
	}

	@Override
	protected int getFileSelectionMode() {
		return DIRECTORIES_ONLY;
	}

	@Override
	protected String getFilter() {
		return null;
	}
}