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 }