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
|
package org.apache.maven.plugins.enforcer;
/*
* 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.
*/
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.lang.SystemUtils;
import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
import org.apache.maven.enforcer.rule.api.EnforcerRuleException;
import org.apache.maven.enforcer.rule.api.EnforcerRuleHelper;
import org.apache.maven.plugin.logging.Log;
import org.codehaus.plexus.util.StringUtils;
/**
* This rule checks that the Java version is allowed.
*
* @author <a href="mailto:brianf@apache.org">Brian Fox</a>
* @version $Id: RequireJavaVersion.java 805190 2009-08-17 22:30:49Z hboutemy $
*/
public class RequireJavaVersion
extends AbstractVersionEnforcer
{
/*
* (non-Javadoc)
*
* @see org.apache.maven.enforcer.rule.api.EnforcerRule#execute(org.apache.maven.enforcer.rule.api.EnforcerRuleHelper)
*/
public void execute( EnforcerRuleHelper helper )
throws EnforcerRuleException
{
String java_version = SystemUtils.JAVA_VERSION_TRIMMED;
Log log = helper.getLog();
log.debug( "Detected Java String: " + java_version );
java_version = normalizeJDKVersion( java_version );
log.debug( "Normalized Java String: " + java_version );
ArtifactVersion detectedJdkVersion = new DefaultArtifactVersion( java_version );
log.debug( "Parsed Version: Major: " + detectedJdkVersion.getMajorVersion() + " Minor: " +
detectedJdkVersion.getMinorVersion() + " Incremental: " + detectedJdkVersion.getIncrementalVersion() +
" Build: " + detectedJdkVersion.getBuildNumber() + " Qualifier: " + detectedJdkVersion.getQualifier() );
enforceVersion( helper.getLog(), "JDK", version, detectedJdkVersion );
}
/**
* Converts a jdk string from 1.5.0-11b12 to a single 3 digit version like 1.5.0-11
*
* @param theJdkVersion to be converted.
* @return the converted string.
*/
public static String normalizeJDKVersion( String theJdkVersion )
{
theJdkVersion = theJdkVersion.replaceAll( "_|-", "." );
String tokenArray[] = StringUtils.split( theJdkVersion, "." );
List tokens = Arrays.asList( tokenArray );
StringBuffer buffer = new StringBuffer( theJdkVersion.length() );
Iterator iter = tokens.iterator();
for ( int i = 0; i < tokens.size() && i < 4; i++ )
{
String section = (String) iter.next();
section = section.replaceAll( "[^0-9]", "" );
if ( StringUtils.isNotEmpty( section ) )
{
buffer.append( Integer.parseInt( section ) );
if ( i != 2 )
{
buffer.append( '.' );
}
else
{
buffer.append( '-' );
}
}
}
String version = buffer.toString();
version = StringUtils.stripEnd( version, "-" );
return StringUtils.stripEnd( version, "." );
}
}
|