001package org.apache.maven.lifecycle.internal;
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
022import org.apache.maven.plugin.MojoExecution;
023import org.apache.maven.project.MavenProject;
024
025/**
026 * @since 3.0
027 * @author Benjamin Bentmann
028 * @author Kristian Rosenvold
029 *         <p/>
030 *         NOTE: This class is not part of any public api and can be changed or deleted without prior notice.
031 */
032public class PhaseRecorder
033{
034    private String lastLifecyclePhase;
035
036    private final MavenProject project;
037
038    public PhaseRecorder( MavenProject project )
039    {
040        this.project = project;
041    }
042
043    public void observeExecution( MojoExecution mojoExecution )
044    {
045        String lifecyclePhase = mojoExecution.getLifecyclePhase();
046
047        if ( lifecyclePhase != null )
048        {
049            if ( lastLifecyclePhase == null )
050            {
051                lastLifecyclePhase = lifecyclePhase;
052            }
053            else if ( !lifecyclePhase.equals( lastLifecyclePhase ) )
054            {
055                project.addLifecyclePhase( lastLifecyclePhase );
056                lastLifecyclePhase = lifecyclePhase;
057            }
058        }
059
060        if ( lastLifecyclePhase != null )
061        {
062            project.addLifecyclePhase( lastLifecyclePhase );
063        }
064    }
065
066    public boolean isDifferentPhase( MojoExecution nextMojoExecution )
067    {
068        String lifecyclePhase = nextMojoExecution.getLifecyclePhase();
069        if ( lifecyclePhase == null )
070        {
071            return lastLifecyclePhase != null;
072        }
073        return !lifecyclePhase.equals( lastLifecyclePhase );
074
075    }
076
077
078}