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.Collection;
023    import java.util.List;
024    
025    import org.apache.maven.model.Profile;
026    import org.apache.maven.model.building.ModelProblemCollector;
027    
028    /**
029     * Calculates the active profiles among a given collection of profiles.
030     * 
031     * @author Benjamin Bentmann
032     */
033    public interface ProfileSelector
034    {
035    
036        /**
037         * Determines the profiles which are active in the specified activation context. Active profiles will eventually be
038         * injected into the model.
039         * 
040         * @param profiles The profiles whose activation status should be determined, must not be {@code null}.
041         * @param context The environmental context used to determine the activation status of a profile, must not be
042         *            {@code null}.
043         * @param problems The container used to collect problems that were encountered, must not be {@code null}.
044         * @return The profiles that have been activated, never {@code null}.
045         */
046        List<Profile> getActiveProfiles( Collection<Profile> profiles, ProfileActivationContext context,
047                                         ModelProblemCollector problems );
048    
049    }