The Tor Browser / file revision

 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-

  * This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 package org.mozilla.gecko.sqlite;

 import java.io.IOException;

 import java.io.InputStream;

 import java.nio.ByteBuffer;

 /*

  * Helper class to make the ByteBuffers returned by SQLite BLOB

  * easier to use.

  */

 public class ByteBufferInputStream extends InputStream {

     private ByteBuffer mByteBuffer;

     public ByteBufferInputStream(ByteBuffer aByteBuffer) {

         mByteBuffer = aByteBuffer;

     }

     @Override

     public synchronized int read() throws IOException {

         if (!mByteBuffer.hasRemaining()) {

             return -1;

         }

         return mByteBuffer.get();

     }

     @Override

     public synchronized int read(byte[] aBytes, int aOffset, int aLen)

         throws IOException {

         int toRead = Math.min(aLen, mByteBuffer.remaining());

         mByteBuffer.get(aBytes, aOffset, toRead);

         return toRead;

     }

 }