001    package org.apache.maven.plugin;
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.List;
024    
025    import org.apache.maven.artifact.Artifact;
026    import org.apache.maven.plugin.descriptor.PluginDescriptor;
027    
028    public class MavenPluginValidator
029    {
030        private final Artifact pluginArtifact;
031    
032        private List<String> errors = new ArrayList<String>();
033    
034        private boolean firstDescriptor = true;
035    
036        public MavenPluginValidator( Artifact pluginArtifact )
037        {
038            this.pluginArtifact = pluginArtifact;
039        }
040    
041        public void validate( PluginDescriptor pluginDescriptor )
042        {
043            /*
044             * NOTE: For plugins that depend on other plugin artifacts the plugin realm contains more than one plugin
045             * descriptor. However, only the first descriptor is of interest.
046             */
047            if ( !firstDescriptor )
048            {
049                return;
050            }
051            firstDescriptor = false;
052    
053            if ( !pluginArtifact.getGroupId().equals( pluginDescriptor.getGroupId() ) )
054            {
055                errors.add( "Plugin's descriptor contains the wrong group ID: " + pluginDescriptor.getGroupId() );
056            }
057    
058            if ( !pluginArtifact.getArtifactId().equals( pluginDescriptor.getArtifactId() ) )
059            {
060                errors.add( "Plugin's descriptor contains the wrong artifact ID: " + pluginDescriptor.getArtifactId() );
061            }
062    
063            if ( !pluginArtifact.getBaseVersion().equals( pluginDescriptor.getVersion() ) )
064            {
065                errors.add( "Plugin's descriptor contains the wrong version: " + pluginDescriptor.getVersion() );
066            }
067        }
068    
069        public boolean hasErrors()
070        {
071            return !errors.isEmpty();
072        }
073    
074        public List<String> getErrors()
075        {
076            return errors;
077        }
078    }