    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one
    3    * or more contributor license agreements.  See the NOTICE file
    4    * distributed with this work for additional information
    5    * regarding copyright ownership.  The ASF licenses this file
    6    * to you under the Apache License, Version 2.0 (the
    7    * "License"); you may not use this file except in compliance
    8    * with the License.  You may obtain a copy of the License at
    9    *
    10   *   http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   * Unless required by applicable law or agreed to in writing,
    13   * software distributed under the License is distributed on an
    14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    15   * KIND, either express or implied.  See the License for the
    16   * specific language governing permissions and limitations
    17   * under the License.
    18   */
    19  package org.apache.felix.bundleplugin;
    20
    21
    22  import org.apache.maven.archiver.MavenArchiveConfiguration;
    23  import org.apache.maven.project.MavenProject;
    24  import org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter;
    25  import org.codehaus.plexus.component.configurator.converters.lookup.ConverterLookup;
    26  import org.codehaus.plexus.component.configurator.converters.lookup.DefaultConverterLookup;
    27  import org.codehaus.plexus.component.configurator.expression.DefaultExpressionEvaluator;
    28  import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;
    29  import org.codehaus.plexus.configuration.PlexusConfiguration;
    30  import org.codehaus.plexus.configuration.xml.XmlPlexusConfiguration;
    31  import org.codehaus.plexus.util.xml.Xpp3Dom;
    32
    33
    34  /**
    35   * Provide access to the archive configuration from the jar plugin
    36   *
    37   * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
    38   */
    39  public final class JarPluginConfiguration
    40  {
    41      public static MavenArchiveConfiguration getArchiveConfiguration( MavenProject project )
    42      {
    43          MavenArchiveConfiguration archiveConfig = new MavenArchiveConfiguration();
    44
    45          try
    46          {
    47              ObjectWithFieldsConverter converter = new ObjectWithFieldsConverter();
    48              ClassLoader loader = JarPluginConfiguration.class.getClassLoader();
    49              ExpressionEvaluator evaluator = new DefaultExpressionEvaluator();
    50              ConverterLookup converters = new DefaultConverterLookup();
    51
    52              PlexusConfiguration settings = null;
    53
    54              try
    55              {
    56                  // first look for bundle specific archive settings
    57                  settings = getPluginConfiguration( project, "org.apache.felix", "maven-bundle-plugin" );
    58                  settings = settings.getChild( "archive" );
    59              }
    60              catch ( Exception e )
    61              {
    62              }
    63
    64              // if it's empty fall back to the jar archive settings
    65              if ( null == settings || settings.getChildCount() == 0 )
    66              {
    67                  settings = getCorePluginConfiguration( project, "jar" );
    68                  settings = settings.getChild( "archive" );
    69              }
    70
    71              converter.processConfiguration( converters, archiveConfig, loader, settings, evaluator, null );
    72          }
    73          catch ( Exception e )
    74          {
    75              // ignore and return empty configuration...
    76          }
    77
    78          return archiveConfig;
    79      }
    80
    81
    82      private static PlexusConfiguration getCorePluginConfiguration( MavenProject project, String pluginName )
    83      {
    84          return getPluginConfiguration( project, "org.apache.maven.plugins", "maven-" + pluginName + "-plugin" );
    85      }
    86
    87
    88      private static PlexusConfiguration getPluginConfiguration( MavenProject project, String groupId, String artifactId )
    89      {
    90          Xpp3Dom pluginConfig = project.getGoalConfiguration( groupId, artifactId, null, null );
    91
    92          return new XmlPlexusConfiguration( pluginConfig );
    93      }
    94  }