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.ActivationProperty;
024 import org.apache.maven.model.Profile;
025 import org.apache.maven.model.building.ModelProblemCollector;
026 import org.apache.maven.model.building.ModelProblem.Severity;
027 import org.apache.maven.model.building.ModelProblem.Version;
028 import org.apache.maven.model.building.ModelProblemCollectorRequest;
029 import org.apache.maven.model.profile.ProfileActivationContext;
030 import org.codehaus.plexus.component.annotations.Component;
031 import org.codehaus.plexus.util.StringUtils;
032
033 /**
034 * Determines profile activation based on the existence or value of some execution property.
035 *
036 * @author Benjamin Bentmann
037 */
038 @Component( role = ProfileActivator.class, hint = "property" )
039 public class PropertyProfileActivator
040 implements ProfileActivator
041 {
042
043 public boolean isActive( Profile profile, ProfileActivationContext context, ModelProblemCollector problems )
044 {
045 boolean active = false;
046
047 Activation activation = profile.getActivation();
048
049 if ( activation != null )
050 {
051 ActivationProperty property = activation.getProperty();
052
053 if ( property != null )
054 {
055 String name = property.getName();
056 boolean reverseName = false;
057
058 if ( name != null && name.startsWith( "!" ) )
059 {
060 reverseName = true;
061 name = name.substring( 1 );
062 }
063
064 if ( name == null || name.length() <= 0 )
065 {
066 problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE)
067 .setMessage( "The property name is required to activate the profile " + profile.getId())
068 .setLocation( property.getLocation( "" )));
069 return false;
070 }
071
072 String sysValue = context.getUserProperties().get( name );
073 if ( sysValue == null )
074 {
075 sysValue = context.getSystemProperties().get( name );
076 }
077
078 String propValue = property.getValue();
079 if ( StringUtils.isNotEmpty( propValue ) )
080 {
081 boolean reverseValue = false;
082 if ( propValue.startsWith( "!" ) )
083 {
084 reverseValue = true;
085 propValue = propValue.substring( 1 );
086 }
087
088 // we have a value, so it has to match the system value...
089 boolean result = propValue.equals( sysValue );
090
091 if ( reverseValue )
092 {
093 active = !result;
094 }
095 else
096 {
097 active = result;
098 }
099 }
100 else
101 {
102 boolean result = StringUtils.isNotEmpty( sysValue );
103
104 if ( reverseName )
105 {
106 active = !result;
107 }
108 else
109 {
110 active = result;
111 }
112 }
113 }
114 }
115
116 return active;
117 }
118
119 }