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.ModelProblem;
030 import org.apache.maven.model.building.ModelProblemCollector;
031 import org.apache.maven.model.building.ModelProblem.Severity;
032 import org.apache.maven.model.building.ModelProblem.Version;
033 import org.apache.maven.model.building.ModelProblemCollectorRequest;
034 import org.apache.maven.model.profile.activation.ProfileActivator;
035 import org.codehaus.plexus.component.annotations.Component;
036 import org.codehaus.plexus.component.annotations.Requirement;
037
038 /**
039 * Calculates the active profiles among a given collection of profiles.
040 *
041 * @author Benjamin Bentmann
042 */
043 @Component( role = ProfileSelector.class )
044 public class DefaultProfileSelector
045 implements ProfileSelector
046 {
047
048 @Requirement( role = ProfileActivator.class )
049 private List<ProfileActivator> activators = new ArrayList<ProfileActivator>();
050
051 public DefaultProfileSelector addProfileActivator( ProfileActivator profileActivator )
052 {
053 if ( profileActivator != null )
054 {
055 activators.add( profileActivator );
056 }
057 return this;
058 }
059
060 public List<Profile> getActiveProfiles( Collection<Profile> profiles, ProfileActivationContext context,
061 ModelProblemCollector problems )
062 {
063 Collection<String> activatedIds = new HashSet<String>( context.getActiveProfileIds() );
064 Collection<String> deactivatedIds = new HashSet<String>( context.getInactiveProfileIds() );
065
066 List<Profile> activeProfiles = new ArrayList<Profile>( profiles.size() );
067 List<Profile> activePomProfilesByDefault = new ArrayList<Profile>();
068 boolean activatedPomProfileNotByDefault = false;
069
070 for ( Profile profile : profiles )
071 {
072 if ( !deactivatedIds.contains( profile.getId() ) )
073 {
074 if ( activatedIds.contains( profile.getId() ) || isActive( profile, context, problems ) )
075 {
076 activeProfiles.add( profile );
077
078 if ( Profile.SOURCE_POM.equals( profile.getSource() ) )
079 {
080 activatedPomProfileNotByDefault = true;
081 }
082 }
083 else if ( isActiveByDefault( profile ) )
084 {
085 if ( Profile.SOURCE_POM.equals( profile.getSource() ) )
086 {
087 activePomProfilesByDefault.add( profile );
088 }
089 else
090 {
091 activeProfiles.add( profile );
092 }
093 }
094
095 }
096 }
097
098 if ( !activatedPomProfileNotByDefault )
099 {
100 activeProfiles.addAll( activePomProfilesByDefault );
101 }
102
103 return activeProfiles;
104 }
105
106 private boolean isActive( Profile profile, ProfileActivationContext context, ModelProblemCollector problems )
107 {
108 for ( ProfileActivator activator : activators )
109 {
110 try
111 {
112 if ( activator.isActive( profile, context, problems ) )
113 {
114 return true;
115 }
116 }
117 catch ( RuntimeException e )
118 {
119 problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE)
120 .setMessage( "Failed to determine activation for profile " + profile.getId())
121 .setLocation( profile.getLocation( "" ))
122 .setException( e ));
123 return false;
124 }
125 }
126 return false;
127 }
128
129 private boolean isActiveByDefault( Profile profile )
130 {
131 Activation activation = profile.getActivation();
132 return activation != null && activation.isActiveByDefault();
133 }
134
135 }