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Java > Open Source Codes > org > apache > tools > ant > taskdefs > CVSPass


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  */
18
19 package org.apache.tools.ant.taskdefs;
20
21 import java.io.BufferedReader JavaDoc;
22 import java.io.File JavaDoc;
23 import java.io.FileReader JavaDoc;
24 import java.io.FileWriter JavaDoc;
25 import java.io.IOException JavaDoc;
26 import java.io.PrintWriter JavaDoc;
27 import org.apache.tools.ant.BuildException;
28 import org.apache.tools.ant.Project;
29 import org.apache.tools.ant.Task;
30 import org.apache.tools.ant.util.StringUtils;
31
32 /**
33  * Adds an new entry to a CVS password file.
34  *
35  *
36  * @since Ant 1.4
37  *
38  * @ant.task category="scm"
39  */
40 public class CVSPass extends Task {
41     /** CVS Root */
42     private String JavaDoc cvsRoot = null;
43     /** Password file to add password to */
44     private File JavaDoc passFile = null;
45     /** Password to add to file */
46     private String JavaDoc password = null;
47
48     /** Array contain char conversion data */
49     private final char[] shifts = {
50           0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
51          16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
52         114, 120, 53, 79, 96, 109, 72, 108, 70, 64, 76, 67, 116, 74, 68, 87,
53         111, 52, 75, 119, 49, 34, 82, 81, 95, 65, 112, 86, 118, 110, 122, 105,
54          41, 57, 83, 43, 46, 102, 40, 89, 38, 103, 45, 50, 42, 123, 91, 35,
55         125, 55, 54, 66, 124, 126, 59, 47, 92, 71, 115, 78, 88, 107, 106, 56,
56          36, 121, 117, 104, 101, 100, 69, 73, 99, 63, 94, 93, 39, 37, 61, 48,
57          58, 113, 32, 90, 44, 98, 60, 51, 33, 97, 62, 77, 84, 80, 85, 223,
58         225, 216, 187, 166, 229, 189, 222, 188, 141, 249, 148, 200, 184, 136, 248, 190,
59         199, 170, 181, 204, 138, 232, 218, 183, 255, 234, 220, 247, 213, 203, 226, 193,
60         174, 172, 228, 252, 217, 201, 131, 230, 197, 211, 145, 238, 161, 179, 160, 212,
61         207, 221, 254, 173, 202, 146, 224, 151, 140, 196, 205, 130, 135, 133, 143, 246,
62         192, 159, 244, 239, 185, 168, 215, 144, 139, 165, 180, 157, 147, 186, 214, 176,
63         227, 231, 219, 169, 175, 156, 206, 198, 129, 164, 150, 210, 154, 177, 134, 127,
64         182, 128, 158, 208, 162, 132, 167, 209, 149, 241, 153, 251, 237, 236, 171, 195,
65         243, 233, 253, 240, 194, 250, 191, 155, 142, 137, 245, 235, 163, 242, 178, 152
66     };
67
68     /**
69      * Create a CVS task using the default cvspass file location.
70      */
71     public CVSPass() {
72         passFile = new File JavaDoc(
73             System.getProperty("cygwin.user.home",
74                 System.getProperty("user.home"))
75             + File.separatorChar + ".cvspass");
76     }
77
78     /**
79      * Does the work.
80      *
81      * @exception BuildException if something goes wrong with the build
82      */
83     public final void execute() throws BuildException {
84         if (cvsRoot == null) {
85             throw new BuildException("cvsroot is required");
86         }
87         if (password == null) {
88             throw new BuildException("password is required");
89         }
90
91         log("cvsRoot: " + cvsRoot, Project.MSG_DEBUG);
92         log("password: " + password, Project.MSG_DEBUG);
93         log("passFile: " + passFile, Project.MSG_DEBUG);
94
95         BufferedReader JavaDoc reader = null;
96         PrintWriter JavaDoc writer = null;
97         try {
98             StringBuffer JavaDoc buf = new StringBuffer JavaDoc();
99
100             if (passFile.exists()) {
101                 reader = new BufferedReader JavaDoc(new FileReader JavaDoc(passFile));
102
103                 String JavaDoc line = null;
104
105                 while ((line = reader.readLine()) != null) {
106                     if (!line.startsWith(cvsRoot)) {
107                         buf.append(line).append(StringUtils.LINE_SEP);
108                     }
109                 }
110             }
111
112             String JavaDoc pwdfile = buf.toString() + cvsRoot + " A"
113                 + mangle(password);
114
115             log("Writing -> " + pwdfile , Project.MSG_DEBUG);
116
117             writer = new PrintWriter JavaDoc(new FileWriter JavaDoc(passFile));
118
119             writer.println(pwdfile);
120         } catch (IOException JavaDoc e) {
121             throw new BuildException(e);
122         } finally {
123             if (reader != null) {
124                 try {
125                     reader.close();
126                 } catch (IOException JavaDoc e) {
127                     // ignore
128 }
129             }
130             if (writer != null) {
131                 writer.close();
132             }
133         }
134     }
135
136     private final String JavaDoc mangle(String JavaDoc password) {
137         StringBuffer JavaDoc buf = new StringBuffer JavaDoc();
138         for (int i = 0; i < password.length(); i++) {
139             buf.append(shifts[password.charAt(i)]);
140         }
141         return buf.toString();
142     }
143
144     /**
145      * The CVS repository to add an entry for.
146      *
147      * @param cvsRoot the CVS repository
148      */
149     public void setCvsroot(String JavaDoc cvsRoot) {
150         this.cvsRoot = cvsRoot;
151     }
152
153     /**
154      * Password file to add the entry to.
155      *
156      * @param passFile the password file.
157      */
158     public void setPassfile(File JavaDoc passFile) {
159         this.passFile = passFile;
160     }
161
162     /**
163      * Password to be added to the password file.
164      *
165      * @param password the password.
166      */
167     public void setPassword(String JavaDoc password) {
168         this.password = password;
169     }
170
171 }
172
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