source: other-projects/trunk/gs3-release-maker/apache-ant-1.6.5/src/main/org/apache/tools/ant/taskdefs/optional/perforce/P4Change.java@ 14627

Last change on this file since 14627 was 14627, checked in by oranfry, 17 years ago

initial import of the gs3-release-maker
File size: 5.3 KB
Line 
1/*
2 * Copyright 2000-2004 The Apache Software Foundation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 */
17/*
18 * Portions of this software are based upon public domain software
19 * originally written at the National Center for Supercomputing Applications,
20 * University of Illinois, Urbana-Champaign.
21 */
22
23package org.apache.tools.ant.taskdefs.optional.perforce;
24
25import org.apache.tools.ant.BuildException;
26import org.apache.tools.ant.Project;
27
28/**
29 * Requests a new changelist from the Perforce server.
30 * P4Change creates a new changelist in perforce. P4Change sets the property
31 * ${p4.change} with the new changelist number. This should then be passed into
32 * p4edit and p4submit.
33 *
34 *
35 * @see P4Edit
36 * @see P4Submit
37 *
38 * @ant.task category="scm"
39 */
40public class P4Change extends P4Base {
41
42 protected String emptyChangeList = null;
43 protected String description = "AutoSubmit By Ant";
44
45 /**
46 * creates a new Perforce change list
47 * sets the p4.change property to the number of the new change list
48 * @throws BuildException if the word error appears in the output coming from Perforce
49 */
50 public void execute() throws BuildException {
51
52 if (emptyChangeList == null) {
53 emptyChangeList = getEmptyChangeList();
54 }
55 final Project myProj = getProject();
56
57 P4Handler handler = new P4HandlerAdapter() {
58 public void process(String line) {
59 if (util.match("/Change/", line)) {
60
61 //Remove any non-numerical chars - should leave the change number
62 line = util.substitute("s/[^0-9]//g", line);
63
64 int changenumber = Integer.parseInt(line);
65 log("Change Number is " + changenumber, Project.MSG_INFO);
66 myProj.setProperty("p4.change", "" + changenumber);
67
68 } else if (util.match("/error/", line)) {
69 throw new BuildException("Perforce Error, check client settings and/or server");
70 }
71
72 }
73 };
74
75 handler.setOutput(emptyChangeList);
76
77 execP4Command("change -i", handler);
78 }
79
80 /**
81 * returns the text of an empty change list
82 * @return the text of an empty change list
83 * @throws BuildException if the text error is displayed
84 * in the Perforce output outside of a comment line
85 */
86 public String getEmptyChangeList() throws BuildException {
87 final StringBuffer stringbuf = new StringBuffer();
88
89 execP4Command("change -o", new P4HandlerAdapter() {
90 public void process(String line) {
91 if (!util.match("/^#/", line)) {
92 if (util.match("/error/", line)) {
93 log("Client Error", Project.MSG_VERBOSE);
94 throw new BuildException("Perforce Error, "
95 + "check client settings and/or server");
96 } else if (util.match("/<enter description here>/", line)) {
97 // we need to escape the description in case there are /
98 description = backslash(description);
99 line = util.substitute("s/<enter description here>/"
100 + description + "/", line);
101 } else if (util.match("/\\/\\//", line)) {
102 //Match "//" for begining of depot filespec
103 return;
104 }
105 stringbuf.append(line);
106 stringbuf.append("\n");
107 }
108 }
109 });
110 return stringbuf.toString();
111 }
112
113 /**
114 * Ensure that a string is backslashing slashes so that it does not
115 * confuse them with Perl substitution delimiter in Oro. Backslashes are
116 * always backslashes in a string unless they escape the delimiter.
117 * @param value the string to backslash for slashes
118 * @return the backslashed string
119 * @see <a href="http://jakarta.apache.org/oro/api/org/apache/oro/text/perl/Perl5Util.html
120 * #substitute(java.lang.String,%20java.lang.String)">Oro</a>
121 */
122 public static final String backslash(String value) {
123 final StringBuffer buf = new StringBuffer(value.length());
124 final int len = value.length();
125 for (int i = 0; i < len; i++) {
126 char c = value.charAt(i);
127 if (c == '/') {
128 buf.append('\\');
129 }
130 buf.append(c);
131 }
132 return buf.toString();
133 }
134
135 /**
136 * Description for ChangeList;optional.
137 * If none is specified, it will default to "AutoSubmit By Ant"
138 * @param desc description for the change list
139 */
140 public void setDescription(String desc) {
141 this.description = desc;
142 }
143
144} //EoF
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