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   1 /*******************************************************************************
   2  * Copyright (c) 2004 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package org.aspectj.ajdt.internal.compiler;
  12
  13 import java.util.Iterator;
  14
  15 import org.aspectj.org.eclipse.jdt.internal.compiler.ClassFile;
  16 import org.aspectj.org.eclipse.jdt.internal.compiler.CompilationResult;
  17 import org.aspectj.weaver.bcel.UnwovenClassFile;
  18 import org.aspectj.weaver.bcel.UnwovenClassFileWithThirdPartyManagedBytecode;
  19
  20 /**
  21  * @author colyer
  22  *
  23  *      Adaptor for ClassFiles that lets them act as the bytecode repository
  24  *      for UnwovenClassFiles (asking a ClassFile for its bytes causes a
  25  *      copy to be made).
  26  */
  27 public class ClassFileBasedByteCodeProvider
  28            implements UnwovenClassFileWithThirdPartyManagedBytecode.IByteCodeProvider{
  29
  30         private ClassFile cf;
  31
  32         public ClassFileBasedByteCodeProvider(ClassFile cf) {
  33                 this.cf = cf;
  34         }
  35
  36         public byte[] getBytes() {
  37                 return cf.getBytes();
  38         }
  39
  40         public static UnwovenClassFile[] unwovenClassFilesFor(CompilationResult result,
  41                                                                                             IOutputClassFileNameProvider nameProvider) {
  42                 ClassFile[] cfs = result.getClassFiles();
  43                 UnwovenClassFile[] ret = new UnwovenClassFile[result.compiledTypes.size()];
  44                 int i=0;
  45                 for (Iterator iterator = result.compiledTypes.keySet().iterator(); iterator.hasNext();) {
  46                         char[] className = (char[])iterator.next();
  47                         ClassFile cf = (ClassFile)result.compiledTypes.get(className);
  48                         // OPTIMIZE use char[] for classname
  49                         ClassFileBasedByteCodeProvider p = new ClassFileBasedByteCodeProvider(cf);
  50                         String fileName = nameProvider.getOutputClassFileName(cf.fileName(), result);
  51                         ret[i++] = new UnwovenClassFileWithThirdPartyManagedBytecode(fileName,new String(className).replace('/','.'),p);
  52                 }
  53                 return ret;
  54         }
  55
  56 }