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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package dex.reader.util;
     18 
     19 import java.io.ByteArrayOutputStream;
     20 import java.io.InputStream;
     21 import java.io.OutputStream;
     22 import java.net.URI;
     23 
     24 import javax.tools.SimpleJavaFileObject;
     25 
     26 /**
     27  * {@code MemoryByteCode} represents an in-memory java byte code.
     28  */
     29 /* package */ class MemoryByteCode extends SimpleJavaFileObject {
     30     private ByteArrayOutputStream baos;
     31     private final String name;
     32 
     33     public MemoryByteCode(String name) {
     34         super(URI.create("byte:///" + name.replace(".", "/") + ".class"),
     35                 Kind.CLASS);
     36         this.name = name;
     37     }
     38 
     39     @Override
     40     public String getName() {
     41         return name;
     42     }
     43 
     44     public CharSequence getCharContent(boolean ignoreEncodingErrors) {
     45         throw new IllegalStateException();
     46     }
     47 
     48     public OutputStream openOutputStream() {
     49         baos = new ByteArrayOutputStream();
     50         return baos;
     51     }
     52 
     53     public InputStream openInputStream() {
     54         throw new IllegalStateException();
     55     }
     56 
     57     public byte[] getBytes() {
     58         return baos.toByteArray();
     59     }
     60 }
     61