package org.apache.maven.plugin.cxx.utils.svn;
   
   /*
    * Copyright (C) 2011-2016, Neticoa SAS France - Tous droits réservés.
    * Author(s) : Franck Bonin, Neticoa SAS France
    *
    * Licensed 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.codehaus.plexus.util.StringUtils;
  
  /**
   * svn 
   * 
   */
  public class SvnExternalEntry
  {
      public String revision = null;
      public String origin = null;
      public String targetDir = null;
      public String comment = null;
      
      public boolean isValide()
      {
          return ! StringUtils.isEmpty( comment )
              || ( ! StringUtils.isEmpty( origin ) && ! StringUtils.isEmpty( targetDir ) );
      }
      
      public String toString()
      {
          return "" + ( ( null != comment ) ? comment
              : ( ( ( null != revision ) ? revision + " " : "" ) + ( ( null != origin ) ? origin : "" )
              + " " + ( ( null != targetDir ) ? targetDir : "" ) ) );
      }
      
      @Override
      public boolean equals( Object other )
      {
          if ( other == null )
          {
              return false;
          }
          if ( other == this )
          {
              return true;
          }
          if ( !( other instanceof SvnExternalEntry ) )
          {
              return false;
          }
          SvnExternalEntry otherExternalEntry = (SvnExternalEntry) other;
          // comments are unique, equals shall return false on them
          if ( null != comment || null != otherExternalEntry.comment )
          {
              return false;
          }
          // otherwise, entries are equals if their origin or tagetDir are equals
          return StringUtils.equals( origin, otherExternalEntry.origin )
              || StringUtils.equals( targetDir, otherExternalEntry.targetDir );
      }
      
      @Override        
      public int hashCode()
      {
          return null != comment ? super.hashCode() // comments are unique, hashCode shall be different for them
              : null != targetDir ? null != origin 
                  ? ( origin + targetDir ).hashCode() : targetDir.hashCode()
              : null != origin ? origin.hashCode() : 0;
      }
  }