package com.simpligility.maven.plugins.android;
   
   import java.util.Properties;
   import java.io.InputStream;
   import java.io.IOException;
   
   /**
    * PluginInfo reads plugin.properties which contains filtered 
    * values from the build like the GAV coordinates of the plugin itself
   * and provides convenience methods for accessing these properties 
   * and related things about the plugin.
   * 
   * @author Manfred Moser
   */
  public class PluginInfo 
  {
  
    static 
    {
      loadProperties();
    }
  
    private static final String COLON = ":";
    private static Properties prop;
    private static String groupId;
    private static String artifactId;
    private static String version;
    
    private static void loadProperties() 
    {
      prop = new Properties();
      InputStream in = PluginInfo.class.getResourceAsStream( "plugin.properties" );
      try 
      {
        prop.load( in );
        groupId = prop.getProperty( "groupId" );
        artifactId = prop.getProperty( "artifactId" );
        version = prop.getProperty( "version" );
        in.close();
      } 
      catch ( IOException e ) 
      {
        e.printStackTrace();
      }
    }
    
    /**
     * Get the Maven GAV string of the plugin.
     * @return
     */
    public static String getGAV()
    {
      StringBuilder builder = new StringBuilder()
        .append( groupId )
        .append( COLON )
        .append( artifactId )
        .append( COLON )
        .append( version );
        return builder.toString();
    }
    
    public static String getGroupId() 
    {
      return groupId;
    }
    
    public static String getArtifactId()
    {
      return artifactId;
    }
    
    public static String getVersion()
    {
      return version;
    }
  
    public static String getQualifiedGoal( String goal )
    {
      StringBuilder builder = new StringBuilder()
        .append( groupId )
        .append( COLON )
        .append( artifactId )
        .append( COLON )
        .append( version )
        .append( COLON )
        .append( goal );
      return builder.toString();
    }
  }