001 package org.apache.maven.model.profile;
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 java.util.ArrayList;
023 import java.util.Collection;
024 import java.util.HashSet;
025 import java.util.List;
026
027 import org.apache.maven.model.Activation;
028 import org.apache.maven.model.Profile;
029 import org.apache.maven.model.building.ModelProblemCollector;
030 import org.apache.maven.model.building.ModelProblem.Severity;
031 import org.apache.maven.model.building.ModelProblem.Version;
032 import org.apache.maven.model.building.ModelProblemCollectorRequest;
033 import org.apache.maven.model.profile.activation.ProfileActivator;
034 import org.codehaus.plexus.component.annotations.Component;
035 import org.codehaus.plexus.component.annotations.Requirement;
036
037 /**
038 * Calculates the active profiles among a given collection of profiles.
039 *
040 * @author Benjamin Bentmann
041 */
042 @Component( role = ProfileSelector.class )
043 public class DefaultProfileSelector
044 implements ProfileSelector
045 {
046
047 @Requirement( role = ProfileActivator.class )
048 private List<ProfileActivator> activators = new ArrayList<ProfileActivator>();
049
050 public DefaultProfileSelector addProfileActivator( ProfileActivator profileActivator )
051 {
052 if ( profileActivator != null )
053 {
054 activators.add( profileActivator );
055 }
056 return this;
057 }
058
059 public List<Profile> getActiveProfiles( Collection<Profile> profiles, ProfileActivationContext context,
060 ModelProblemCollector problems )
061 {
062 Collection<String> activatedIds = new HashSet<String>( context.getActiveProfileIds() );
063 Collection<String> deactivatedIds = new HashSet<String>( context.getInactiveProfileIds() );
064
065 List<Profile> activeProfiles = new ArrayList<Profile>( profiles.size() );
066 List<Profile> activePomProfilesByDefault = new ArrayList<Profile>();
067 boolean activatedPomProfileNotByDefault = false;
068
069 for ( Profile profile : profiles )
070 {
071 if ( !deactivatedIds.contains( profile.getId() ) )
072 {
073 if ( activatedIds.contains( profile.getId() ) || isActive( profile, context, problems ) )
074 {
075 activeProfiles.add( profile );
076
077 if ( Profile.SOURCE_POM.equals( profile.getSource() ) )
078 {
079 activatedPomProfileNotByDefault = true;
080 }
081 }
082 else if ( isActiveByDefault( profile ) )
083 {
084 if ( Profile.SOURCE_POM.equals( profile.getSource() ) )
085 {
086 activePomProfilesByDefault.add( profile );
087 }
088 else
089 {
090 activeProfiles.add( profile );
091 }
092 }
093
094 }
095 }
096
097 if ( !activatedPomProfileNotByDefault )
098 {
099 activeProfiles.addAll( activePomProfilesByDefault );
100 }
101
102 return activeProfiles;
103 }
104
105 private boolean isActive( Profile profile, ProfileActivationContext context, ModelProblemCollector problems )
106 {
107 for ( ProfileActivator activator : activators )
108 {
109 try
110 {
111 if ( activator.isActive( profile, context, problems ) )
112 {
113 return true;
114 }
115 }
116 catch ( RuntimeException e )
117 {
118 problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE )
119 .setMessage( "Failed to determine activation for profile " + profile.getId() )
120 .setLocation( profile.getLocation( "" ) )
121 .setException( e ) );
122 return false;
123 }
124 }
125 return false;
126 }
127
128 private boolean isActiveByDefault( Profile profile )
129 {
130 Activation activation = profile.getActivation();
131 return activation != null && activation.isActiveByDefault();
132 }
133
134 }