1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 package org.apache.geronimo.gshell.commands.file;
21
22 import org.apache.commons.vfs.FileObject;
23 import org.apache.geronimo.gshell.clp.Argument;
24 import org.apache.geronimo.gshell.command.CommandAction;
25 import org.apache.geronimo.gshell.command.CommandContext;
26 import org.apache.geronimo.gshell.vfs.FileObjects;
27 import org.apache.geronimo.gshell.vfs.support.VfsActionSupport;
28
29 /**
30 * Sets the last-modified time of a file.
31 *
32 * @version $Rev: 722797 $ $Date: 2008-12-03 08:18:16 +0100 (Wed, 03 Dec 2008) $
33 */
34 public class TouchAction
35 extends VfsActionSupport
36 {
37 @Argument(required=true)
38 private String path;
39
40 // TODO: Add options similar to UNIX touch (like -r FILE) see man page for more details.
41
42 public Object execute(final CommandContext context) throws Exception {
43 assert context != null;
44
45 FileObject file = resolveFile(context, path);
46
47 try {
48 if (!file.exists()) {
49 file.createFile();
50 }
51
52 file.getContent().setLastModifiedTime(System.currentTimeMillis());
53 }
54 finally {
55 FileObjects.close(file);
56 }
57
58 return CommandAction.Result.SUCCESS;
59 }
60 }