package com.simpligility.maven.plugins.android.common;
   
   import org.codehaus.plexus.util.xml.Xpp3Dom;
   import org.apache.commons.lang3.StringUtils;
   import org.apache.maven.project.MavenProject;
   import org.apache.maven.model.Plugin;
   
   import com.simpligility.maven.plugins.android.PluginInfo;
   
  /**
   * A helper class to access plugin configuration from the pom.
   *
   * @author Benoit Billington
   * @author Manfred Moser
   */
  public final class PomConfigurationHelper
  {
      public static String getPluginConfigParameter ( MavenProject project, String parameter, String defaultValue )
      {
          String value = null;
          for ( Plugin plugin : project.getBuild().getPlugins() )
          {
              if ( plugin.getArtifactId().equals( PluginInfo.getArtifactId() ) )
              {
                  Xpp3Dom configuration = getMojoConfiguration( plugin );
                  if ( configuration != null && configuration.getChild( parameter ) != null )
                  {
                    value = configuration.getChild( parameter ).getValue() ;
                  }
              }
          }
          // if we got nothing, fall back to the default value
          return ( StringUtils.isEmpty( value ) ) ? defaultValue : value;
      }
  
      public static boolean getPluginConfigParameter ( MavenProject project, String parameter, boolean defaultValue )
      {
          String value = getPluginConfigParameter( project, parameter, Boolean.toString( defaultValue ) );
          return Boolean.valueOf( value );
      }
      
      private static Xpp3Dom getMojoConfiguration( Plugin plugin )
      {
          //
          // We need to look in the configuration element, and then look for configuration elements
          // within the executions.
          //
          Xpp3Dom configuration = ( Xpp3Dom ) plugin.getConfiguration();
          if ( configuration == null )
          {
              if ( !plugin.getExecutions().isEmpty() )
              {
                  configuration = ( Xpp3Dom ) plugin.getExecutions().get( 0 ).getConfiguration();
              }
          }
          return configuration;
      }
  }