/*
    * <cvs:source>$Source: /devel/astrogrid/community/resolver/src/java/org/astrogrid/community/resolver/ant/CommunityResolverTask.java,v $</cvs:source>
    * <cvs:author>$Author: dave $</cvs:author>
    * <cvs:date>$Date: 2004/06/18 13:45:20 $</cvs:date>
    * <cvs:version>$Revision: 1.6 $</cvs:version>
    *
    * <cvs:log>
    *   $Log: CommunityResolverTask.java,v $
    *   Revision 1.6  2004/06/18 13:45:20  dave
   *   Merged development branch, dave-dev-200406081614, into HEAD
   *
   *   Revision 1.5.18.1  2004/06/17 13:38:59  dave
   *   Tidied up old CVS log entries
   *
   * </cvs:log>
   *
   *
   */
  package org.astrogrid.community.resolver.ant ;
  
  import java.util.Properties ;
  import java.util.Enumeration ;
  
  import java.io.FileInputStream ;
  
  import org.apache.tools.ant.Task ;
  import org.apache.tools.ant.BuildException ;
  
  import org.astrogrid.config.Config ;
  import org.astrogrid.config.SimpleConfig ;
  
  import org.astrogrid.community.common.security.data.SecurityToken ;
  
  /***
   * Base class for our Ant tasks.
   * 
   */
  public class CommunityResolverTask
      extends Task
      {
      /***
       * Our debug flag.
       *
       */
      private static final boolean DEBUG_FLAG = true ;
  
      /***
       * Public constructor.
       *
       */
      public CommunityResolverTask()
          {
          //
          // Initialise our base class.
          super() ;
          }
  
      /***
       * Public constructor.
       *
       */
      public CommunityResolverTask(Task parent)
          {
          //
          // Initialise our base class.
          super() ;
          //
          // Set our project.
          setProject(parent.getProject()) ;
          }
  
      /***
       * Initialise our Task.
       *
       */
      public void init()
          throws BuildException
          {
          if (DEBUG_FLAG) System.out.println("----\"----");
          if (DEBUG_FLAG) System.out.println("CommunityResolverTask.init()");
          if (DEBUG_FLAG) System.out.println("  Token : " + this.getToken());
          }
  
      /***
       * The name of our token property.
       *
       */
      public static final String TOKEN_PROPERTY = "org.astrogrid.community.token" ;
  
      /***
       * Get our security token.
       *
       */
      protected SecurityToken getToken()
          {
          //
          // If we have a project
          if (null != this.getProject())
              {
             //
             // Get the current property.
             String string = this.getProject().getProperty(TOKEN_PROPERTY) ;
             //
             // If we found a property.
             if (null != string)
                 {
                 //
                 // Create a new token.
                 return new SecurityToken(string) ;
                 }
             }
         return null ;
         }
 
     /***
      * Set our security token.
      *
      */
     protected void setToken(SecurityToken token)
         {
         //
         // If we have a project
         if (null != this.getProject())
             {
             //
             // Set our token property.
             this.getProject().setProperty(
                 TOKEN_PROPERTY,
                 token.toString()
                 ) ;
             }
         }
 
     /***
      * The AstroGrid configuration.
      *
      */
     protected static Config config = SimpleConfig.getSingleton() ;
 
     /***
      * Our registry endpoint.
      *
      */
     private String registry ;
 
     /***
      * Access to our registry endpoint.
      *
      */
     public void setRegistry(String value)
         {
         this.registry = value ;
         }
 
     /***
      * Access to our registry endpoint.
      *
      */
     public String getRegistry()
         {
         return this.registry ;
         }
 
     /***
      * Our properties location.
      *
      */
     private String properties ;
 
     /***
      * Get our properties location.
      *
      */
     public String getProperties()
         {
         return this.properties ;
         }
 
     /***
      * Set our properties location.
      *
      */
     public void setProperties(String value)
         {
         this.properties = value ;
         }
 
     /***
      * Load our config properties.
      *
      */
     public void configure()
         throws BuildException
         {
         if (DEBUG_FLAG) System.out.println("----\"----");
         if (DEBUG_FLAG) System.out.println("CommunityResolverTask.configure()");
         //
         // If our properties are set.
         if (null != this.properties)
             {
             //
             // Try parse our properties.
             try {
                 if (DEBUG_FLAG) System.out.println("  Properties  : " + this.properties);
                 //
                 // Load our properties file.
                 Properties map = new Properties() ;
                 map.load(
                     new FileInputStream(
                         this.properties
                         )
                     ) ;
                 //
                 // Add the properties to our config.
                 Enumeration enum = map.keys() ;
                 while (enum.hasMoreElements())
                     {
                     if (DEBUG_FLAG) System.out.println("----");
                     //
                     // Get the property name and value.
                     String name = (String)enum.nextElement() ;
                     if (DEBUG_FLAG) System.out.println("  Name  : " + name);
                     String value = map.getProperty(name) ;
                     if (DEBUG_FLAG) System.out.println("  Value : " + value);
                     //
                     // Process the property.
                     if (null != this.getProject())
                         {
                         value = this.getProject().replaceProperties(value) ;
                         }
                     if (DEBUG_FLAG) System.out.println("  Value : " + value);
                     //
                     // Add the property to our config.
                     config.setProperty(name, value) ;
                     if (DEBUG_FLAG) System.out.println("----");
                     }
                 }
             catch (Exception ouch)
                 {
                 throw new BuildException(ouch) ;
                 }
             }
         }
 
     /***
      * Execute our Task.
      *
      */
     public void execute()
         throws BuildException
         {
         if (DEBUG_FLAG) System.out.println("----\"----");
         if (DEBUG_FLAG) System.out.println("CommunityResolverTask.execute()");
         if (DEBUG_FLAG) System.out.println("  Registry   : " + this.registry);
         if (DEBUG_FLAG) System.out.println("  Properties : " + this.properties);
         //
         // Try loading our config properties.
         this.configure() ;
         }
     }