001/*
002 * (C) Copyright 2006-2010 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 */
019package org.nuxeo.shell.fs.cmds;
020
021import java.io.File;
022import java.io.FileOutputStream;
023import java.io.IOException;
024import java.io.OutputStream;
025
026import org.nuxeo.shell.Argument;
027import org.nuxeo.shell.Command;
028import org.nuxeo.shell.Context;
029import org.nuxeo.shell.Shell;
030
031/**
032 * @author <a href="mailto:[email protected]">Bogdan Stefanescu</a>
033 */
034@Command(name = "touch", help = "Touch a file")
035public class Touch implements Runnable {
036
037    @Context
038    protected Shell shell;
039
040    @Argument(name = "file", index = 0, required = true, help = "The file to touch")
041    protected File file;
042
043    public void run() {
044        file.getParentFile().mkdirs();
045        if (!file.exists()) {
046            OutputStream out = null;
047            try {
048                try {
049                    out = new FileOutputStream(file);
050                } finally {
051                    if (out != null) {
052                        out.close();
053                    }
054                }
055            } catch (IOException e) {
056                e.printStackTrace();
057            }
058        } else {
059            file.setLastModified(System.currentTimeMillis());
060        }
061    }
062
063}