blob: 618da4ecee9a367526f0ec81a6150abc7433d50c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant.taskdefs.cvslib;
import java.io.ByteArrayOutputStream;
import java.util.StringTokenizer;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.AbstractCvsTask;
/**
* this task allows to find out the client and the server version of a
* CVS installation
*
* example usage :
* <cvsversion
* cvsRoot=":pserver:anoncvs@cvs.apache.org:/home/cvspublic"
* passfile="c:/programme/cygwin/home/antoine/.cvspass"
* clientversionproperty="apacheclient"
* serverversionproperty="apacheserver" />
*
* the task can be used also in the API by calling its execute method,
* then calling getServerVersion and/or getClientVersion
*
* @ant.task category="scm"
* @since ant 1.6.1
*/
public class CvsVersion extends AbstractCvsTask {
static final long VERSION_1_11_2 = 11102;
static final long MULTIPLY = 100;
private String clientVersion;
private String serverVersion;
private String clientVersionProperty;
private String serverVersionProperty;
/**
* Get the CVS client version
* @return CVS client version
*/
public String getClientVersion() {
return clientVersion;
}
/**
* Get the CVS server version
* @return CVS server version
*/
public String getServerVersion() {
return serverVersion;
}
/**
* Set a property where to store the CVS client version
* @param clientVersionProperty property for CVS client version
*/
public void setClientVersionProperty(String clientVersionProperty) {
this.clientVersionProperty = clientVersionProperty;
}
/**
* Set a property where to store the CVS server version
* @param serverVersionProperty property for CVS server version
*/
public void setServerVersionProperty(String serverVersionProperty) {
this.serverVersionProperty = serverVersionProperty;
}
/**
* Find out if the server version supports log with S option
* @return boolean indicating if the server version supports log with S option
*/
public boolean supportsCvsLogWithSOption() {
if (serverVersion == null) {
return false;
}
StringTokenizer tokenizer = new StringTokenizer(serverVersion, ".");
long counter = MULTIPLY * MULTIPLY;
long version = 0;
while (tokenizer.hasMoreTokens()) {
String s = tokenizer.nextToken();
int i = 0;
for (i = 0; i < s.length(); i++) {
if (!Character.isDigit(s.charAt(i))) {
break;
}
}
String s2 = s.substring(0, i);
version = version + counter * Long.parseLong(s2);
if (counter == 1) {
break;
}
counter = counter / MULTIPLY;
}
return (version >= VERSION_1_11_2);
}
/**
* the execute method running CvsVersion
*/
public void execute() {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
this.setOutputStream(bos);
ByteArrayOutputStream berr = new ByteArrayOutputStream();
this.setErrorStream(berr);
setCommand("version");
super.execute();
String output = bos.toString();
log("Received version response \"" + output + "\"",
Project.MSG_DEBUG);
StringTokenizer st = new StringTokenizer(output);
boolean client = false;
boolean server = false;
String cvs = null;
String cachedVersion = null;
boolean haveReadAhead = false;
while (haveReadAhead || st.hasMoreTokens()) {
String currentToken = haveReadAhead ? cachedVersion : st.nextToken();
haveReadAhead = false;
if (currentToken.equals("Client:")) {
client = true;
} else if (currentToken.equals("Server:")) {
server = true;
} else if (currentToken.startsWith("(CVS")
&& currentToken.endsWith(")")) {
cvs = currentToken.length() == 5 ? "" : " " + currentToken;
}
if (!client && !server && cvs != null
&& cachedVersion == null && st.hasMoreTokens()) {
cachedVersion = st.nextToken();
haveReadAhead = true;
} else if (client && cvs != null) {
if (st.hasMoreTokens()) {
clientVersion = st.nextToken() + cvs;
}
client = false;
cvs = null;
} else if (server && cvs != null) {
if (st.hasMoreTokens()) {
serverVersion = st.nextToken() + cvs;
}
server = false;
cvs = null;
} else if (currentToken.equals("(client/server)")
&& cvs != null && cachedVersion != null
&& !client && !server) {
client = server = true;
clientVersion = serverVersion = cachedVersion + cvs;
cachedVersion = cvs = null;
}
}
if (clientVersionProperty != null) {
getProject().setNewProperty(clientVersionProperty, clientVersion);
}
if (serverVersionProperty != null) {
getProject().setNewProperty(serverVersionProperty, serverVersion);
}
}
}
|
