package org.apache.maven.plugins.war.util;
   
   /*
    * 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 org.apache.maven.artifact.Artifact;
  import org.apache.maven.model.Dependency;
  import org.apache.maven.project.MavenProject;
  import org.codehaus.plexus.util.StringUtils;
  
  /**
   * @author Stephane Nicoll
   * @version $Id$
   */
  public class WarUtils
  {
  
      /**
       * @param project {@link MavenProject}
       * @param dependency {@link Dependency}
       * @return {@link Artifact}
       */
      public static Artifact getArtifact( MavenProject project, Dependency dependency )
      {
          for ( Object o : project.getArtifacts() )
          {
              Artifact artifact = (Artifact) o;
              if ( artifact.getGroupId().equals( dependency.getGroupId() )
                  && artifact.getArtifactId().equals( dependency.getArtifactId() )
                  && artifact.getType().equals( dependency.getType() ) )
              {
                  if ( artifact.getClassifier() == null && dependency.getClassifier() == null )
                  {
                      return artifact;
                  }
                  else if ( dependency.getClassifier() != null
                      && dependency.getClassifier().equals( artifact.getClassifier() ) )
                  {
                      return artifact;
                  }
              }
          }
          return null;
      }
  
      /**
       * @param artifact {@link Artifact}
       * @param dependency {@link Dependency}
       * @return is related or not.
       */
      public static boolean isRelated( Artifact artifact, Dependency dependency )
      {
          if ( artifact == null || dependency == null )
          {
              return false;
          }
  
          if ( !StringUtils.equals( artifact.getGroupId(), dependency.getGroupId() ) )
          {
              return false;
          }
          if ( !StringUtils.equals( artifact.getArtifactId(), dependency.getArtifactId() ) )
          {
              return false;
          }
          if ( artifact.getVersion() != null ? !artifact.getVersion().equals( dependency.getVersion() )
                          : dependency.getVersion() != null )
          {
              return false;
          }
          if ( artifact.getType() != null ? !artifact.getType().equals( dependency.getType() )
                          : dependency.getType() != null )
          {
              return false;
          }
          if ( artifact.getClassifier() != null ? !artifact.getClassifier().equals( dependency.getClassifier() )
                          : dependency.getClassifier() != null )
          {
              return false;
          }
          if ( artifact.getScope() != null ? !artifact.getScope().equals( dependency.getScope() )
                          : dependency.getScope() != null )
          {
             return false;
         }
         if ( artifact.isOptional() != dependency.isOptional() )
         {
             return false;
         }
 
         return true;
     }
 
     /**
      * @param first {@link Dependency}
      * @param second {@link Dependency}
      * @return are the dependencies equal.
      */
     public static boolean dependencyEquals( Dependency first, Dependency second )
     {
         if ( first == second )
         {
             return true;
         }
 
         if ( first.isOptional() != second.isOptional() )
         {
             return false;
         }
         if ( !StringUtils.equals( first.getArtifactId(), second.getArtifactId() ) )
         {
             return false;
         }
         if ( first.getClassifier() != null ? !first.getClassifier().equals( second.getClassifier() )
                         : second.getClassifier() != null )
         {
             return false;
         }
         if ( first.getExclusions() != null ? !first.getExclusions().equals( second.getExclusions() )
                         : second.getExclusions() != null )
         {
             return false;
         }
         if ( !StringUtils.equals( first.getGroupId(), second.getGroupId() ) )
         {
             return false;
         }
         if ( first.getScope() != null ? !first.getScope().equals( second.getScope() ) : second.getScope() != null )
         {
             return false;
         }
         if ( first.getSystemPath() != null ? !first.getSystemPath().equals( second.getSystemPath() )
                         : second.getSystemPath() != null )
         {
             return false;
         }
         if ( first.getType() != null ? !first.getType().equals( second.getType() ) : second.getType() != null )
         {
             return false;
         }
         if ( first.getVersion() != null ? !first.getVersion().equals( second.getVersion() )
                         : second.getVersion() != null )
         {
             return false;
         }
         return true;
     }
 
 }