package org.eclipse.jetty.policy.entry;
   //========================================================================
   //Copyright (c) Webtide LLC
   //------------------------------------------------------------------------
   //All rights reserved. This program and the accompanying materials
   //are made available under the terms of the Eclipse Public License v1.0
   //and Apache License v2.0 which accompanies this distribution.
   //
   //The Eclipse Public License is available at
  //http://www.eclipse.org/legal/epl-v10.html
  //
  //The Apache License v2.0 is available at
  //http://www.apache.org/licenses/LICENSE-2.0.txt
  //
  //You may elect to redistribute this code under either of these licenses.
  //========================================================================
  
  import java.io.InputStream;
  import java.net.URL;
  import java.security.KeyStore;
  
  import org.eclipse.jetty.policy.PolicyContext;
  import org.eclipse.jetty.policy.PolicyException;
  import org.eclipse.jetty.util.resource.Resource;
  
  public class KeystoreEntry extends AbstractEntry
  {
      /**
       * The URL part of keystore clause.
       */
      private String url;
  
      /**
       * The typename part of keystore clause.
       */
      private String type;
      
      // cached value
      private KeyStore keystore;
  
      public KeyStore toKeyStore() throws PolicyException
      { 
          if ( keystore != null && !isDirty() )
          {
              return keystore;
          }
          
          try 
          {           
              keystore = KeyStore.getInstance( type );
              
              URL keyStoreLocation = new URL ( url );
              Resource r = Resource.newResource(keyStoreLocation);
              InputStream istream = r.getInputStream();
              
              keystore.load( istream, null );
              
              
          }
          catch ( Exception e )
          {
              throw new PolicyException( e );
          }
          
          return keystore; 
      }
      
      @Override
      public void expand( PolicyContext context ) throws PolicyException
      {
          url = context.evaluate( url );
          
          setExpanded( true );
      }
  
      public String getUrl()
      {
          return url;
      }
  
      public void setUrl( String url )
      {
          this.url = url;
      }
  
      public String getType()
      {
          return type;
      }
  
      public void setType( String type )
      {
          this.type = type;
      }    
  }