Rename two classes

editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/source/SourceFactory.java

 /*
  * Copyright (c) 2012, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
  * 
  * 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
@@ skipping 32 matching lines @@
     this.resolvers = resolvers;
   }
 
   /**
    * Return a source container representing the given directory
    * 
    * @param directory the directory (not {@code null})
    * @return the source container representing the directory (not {@code null})
    */
   public SourceContainer forDirectory(File directory) {
-    return new SourceContainerImpl(directory);
+    return new DirectoryBasedSourceContainer(directory);
   }
 
   /**
    * Return a source object representing the given file.
    * 
    * @param file the file to be represented by the returned source object
    * @return a source object representing the given file
    */
   public Source forFile(File file) {
-    return new SourceImpl(this, file);
+    return new FileBasedSource(this, file);
   }
 
   /**
    * Return a source object representing the URI that results from resolving the given (possibly
    * relative) contained URI against the URI associated with an existing source object, or
    * {@code null} if either the contained URI is invalid or if it cannot be resolved against the
    * source object's URI.
    * 
    * @param containingSource the source containing the given URI
    * @param containedUri the (possibly relative) URI to be resolved against the containing source
@@ skipping 22 matching lines @@
     } else {
       contentMap.put(source, contents);
     }
   }
 
   /**
    * Return the contents of the given source, or {@code null} if this factory does not override the
    * contents of the source.
    * <p>
    * <b>Note:</b> This method is not intended to be used except by
-   * {@link SourceImpl#getContents(com.google.dart.engine.source.Source.ContentReceiver)}.
+   * {@link FileBasedSource#getContents(com.google.dart.engine.source.Source.ContentReceiver)}.
    * 
    * @param source the source whose content is to be returned
    * @return the contents of the given source
    */
   protected String getContents(Source source) {
     return contentMap.get(source);
   }
 
   /**
    * Return a source object representing the URI that results from resolving the given (possibly
    * relative) contained URI against the URI associated with an existing source object, or
    * {@code null} if either the contained URI is invalid or if it cannot be resolved against the
    * source object's URI.
    * 
    * @param containingSource the source containing the given URI
    * @param containedUri the (possibly relative) URI to be resolved against the containing source
    * @return the source representing the contained URI
    */
   private Source resolveUri(Source containingSource, URI containedUri) {
     for (UriResolver resolver : resolvers) {
       Source result = resolver.resolve(this, containingSource, containedUri);
       if (result != null) {
         return result;
       }
     }
     return null;
   }
 }