001 package org.apache.maven.model.profile.activation;
002
003 /*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements. See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership. The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License. You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied. See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022 import org.apache.maven.model.Activation;
023 import org.apache.maven.model.ActivationOS;
024 import org.apache.maven.model.Profile;
025 import org.apache.maven.model.building.ModelProblemCollector;
026 import org.apache.maven.model.profile.ProfileActivationContext;
027 import org.codehaus.plexus.component.annotations.Component;
028 import org.codehaus.plexus.util.Os;
029
030 /**
031 * Determines profile activation based on the operating system of the current runtime platform.
032 *
033 * @author Benjamin Bentmann
034 */
035 @Component( role = ProfileActivator.class, hint = "os" )
036 public class OperatingSystemProfileActivator
037 implements ProfileActivator
038 {
039
040 public boolean isActive( Profile profile, ProfileActivationContext context, ModelProblemCollector problems )
041 {
042 boolean active = false;
043
044 Activation activation = profile.getActivation();
045
046 if ( activation != null )
047 {
048 ActivationOS os = activation.getOs();
049
050 if ( os != null )
051 {
052 active = ensureAtLeastOneNonNull( os );
053
054 if ( active && os.getFamily() != null )
055 {
056 active = determineFamilyMatch( os.getFamily() );
057 }
058 if ( active && os.getName() != null )
059 {
060 active = determineNameMatch( os.getName() );
061 }
062 if ( active && os.getArch() != null )
063 {
064 active = determineArchMatch( os.getArch() );
065 }
066 if ( active && os.getVersion() != null )
067 {
068 active = determineVersionMatch( os.getVersion() );
069 }
070 }
071 }
072
073 return active;
074 }
075
076 private boolean ensureAtLeastOneNonNull( ActivationOS os )
077 {
078 return os.getArch() != null || os.getFamily() != null || os.getName() != null || os.getVersion() != null;
079 }
080
081 private boolean determineVersionMatch( String version )
082 {
083 String test = version;
084 boolean reverse = false;
085
086 if ( test.startsWith( "!" ) )
087 {
088 reverse = true;
089 test = test.substring( 1 );
090 }
091
092 boolean result = Os.isVersion( test );
093
094 if ( reverse )
095 {
096 return !result;
097 }
098 else
099 {
100 return result;
101 }
102 }
103
104 private boolean determineArchMatch( String arch )
105 {
106 String test = arch;
107 boolean reverse = false;
108
109 if ( test.startsWith( "!" ) )
110 {
111 reverse = true;
112 test = test.substring( 1 );
113 }
114
115 boolean result = Os.isArch( test );
116
117 if ( reverse )
118 {
119 return !result;
120 }
121 else
122 {
123 return result;
124 }
125 }
126
127 private boolean determineNameMatch( String name )
128 {
129 String test = name;
130 boolean reverse = false;
131
132 if ( test.startsWith( "!" ) )
133 {
134 reverse = true;
135 test = test.substring( 1 );
136 }
137
138 boolean result = Os.isName( test );
139
140 if ( reverse )
141 {
142 return !result;
143 }
144 else
145 {
146 return result;
147 }
148 }
149
150 private boolean determineFamilyMatch( String family )
151 {
152 String test = family;
153 boolean reverse = false;
154
155 if ( test.startsWith( "!" ) )
156 {
157 reverse = true;
158 test = test.substring( 1 );
159 }
160
161 boolean result = Os.isFamily( test );
162
163 if ( reverse )
164 {
165 return !result;
166 }
167 else
168 {
169 return result;
170 }
171 }
172
173 }