Java tutorial
package org.apache.maven.model.profile; /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import java.util.ArrayList; import java.util.Collection; import java.util.HashSet; import java.util.List; import javax.inject.Inject; import javax.inject.Named; import javax.inject.Singleton; import org.apache.maven.model.Activation; import org.apache.maven.model.Profile; import org.apache.maven.model.building.ModelProblemCollector; import org.apache.maven.model.building.ModelProblem.Severity; import org.apache.maven.model.building.ModelProblem.Version; import org.apache.maven.model.building.ModelProblemCollectorRequest; import org.apache.maven.model.profile.activation.ProfileActivator; /** * Calculates the active profiles among a given collection of profiles. * * @author Benjamin Bentmann */ @Named @Singleton public class DefaultProfileSelector implements ProfileSelector { @Inject private List<ProfileActivator> activators = new ArrayList<>(); public DefaultProfileSelector addProfileActivator(ProfileActivator profileActivator) { if (profileActivator != null) { activators.add(profileActivator); } return this; } @Override public List<Profile> getActiveProfiles(Collection<Profile> profiles, ProfileActivationContext context, ModelProblemCollector problems) { Collection<String> activatedIds = new HashSet<>(context.getActiveProfileIds()); Collection<String> deactivatedIds = new HashSet<>(context.getInactiveProfileIds()); List<Profile> activeProfiles = new ArrayList<>(profiles.size()); List<Profile> activePomProfilesByDefault = new ArrayList<>(); boolean activatedPomProfileNotByDefault = false; for (Profile profile : profiles) { if (!deactivatedIds.contains(profile.getId())) { if (activatedIds.contains(profile.getId()) || isActive(profile, context, problems)) { activeProfiles.add(profile); if (Profile.SOURCE_POM.equals(profile.getSource())) { activatedPomProfileNotByDefault = true; } } else if (isActiveByDefault(profile)) { if (Profile.SOURCE_POM.equals(profile.getSource())) { activePomProfilesByDefault.add(profile); } else { activeProfiles.add(profile); } } } } if (!activatedPomProfileNotByDefault) { activeProfiles.addAll(activePomProfilesByDefault); } return activeProfiles; } private boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) { boolean isActive = false; for (ProfileActivator activator : activators) { if (activator.presentInConfig(profile, context, problems)) { isActive = true; } } for (ProfileActivator activator : activators) { try { if (activator.presentInConfig(profile, context, problems)) { isActive &= activator.isActive(profile, context, problems); } } catch (RuntimeException e) { problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE) .setMessage("Failed to determine activation for profile " + profile.getId()) .setLocation(profile.getLocation("")).setException(e)); return false; } } return isActive; } private boolean isActiveByDefault(Profile profile) { Activation activation = profile.getActivation(); return activation != null && activation.isActiveByDefault(); } }