1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.vfs2.tasks;
18
19 import java.util.StringTokenizer;
20
21 import org.apache.commons.vfs2.FileObject;
22 import org.apache.commons.vfs2.util.Messages;
23 import org.apache.tools.ant.BuildException;
24
25 /**
26 * An Ant task that deletes matching files.
27 * <p>
28 * TOOD - Allow selector to be specified.
29 * </p>
30 */
31 public class DeleteTask extends VfsTask {
32 private String file;
33 private String srcDirUrl;
34 private String filesList;
35
36 /**
37 * Sets the file/folder to delete.
38 *
39 * @param file The name of the file.
40 */
41 public void setFile(final String file) {
42 this.file = file;
43 }
44
45 /**
46 * Sets the source directory.
47 *
48 * @param srcDir The source directory.
49 */
50 public void setSrcDir(final String srcDir) {
51 this.srcDirUrl = srcDir;
52 }
53
54 /**
55 * Sets the files to include.
56 *
57 * @param filesList The list of files.
58 */
59 public void setIncludes(final String filesList) {
60 this.filesList = filesList;
61 }
62
63 /**
64 * Executes this task.
65 *
66 * @throws BuildException if an error occurs.
67 */
68 @Override
69 public void execute() throws BuildException {
70 if ((file == null && srcDirUrl == null) || (srcDirUrl != null && filesList == null)) {
71 final String message = Messages.getString("vfs.tasks/delete.no-source-files.error");
72 throw new BuildException(message);
73 }
74
75 try {
76 if (srcDirUrl != null) {
77 log("Deleting " + filesList + " in the directory " + srcDirUrl);
78 if (!srcDirUrl.endsWith("/")) {
79 srcDirUrl += "/";
80 }
81 final StringTokenizer tok = new StringTokenizer(filesList, ", \t\n\r\f", false);
82 while (tok.hasMoreTokens()) {
83 final String nextFile = tok.nextToken();
84 final FileObject srcFile = resolveFile(srcDirUrl + nextFile);
85 srcFile.deleteAll();
86 }
87 } else {
88 final FileObject srcFile = resolveFile(file);
89 log("Deleting " + srcFile.getPublicURIString());
90 srcFile.deleteAll();
91 }
92 } catch (final Exception e) {
93 throw new BuildException(e);
94 }
95 }
96 }