Here you can find the source of createInputStream(final ByteBuffer buf)
public static InputStream createInputStream(final ByteBuffer buf)
//package com.java2s; /*/*from w ww.j av a2s . c o m*/ * Copyright 2009 Thomas Bocek * * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 * * 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 or implied. See the * License for the specific language governing permissions and limitations under * the License. */ import java.io.IOException; import java.io.InputStream; import java.nio.ByteBuffer; public class Main { public static InputStream createInputStream(final ByteBuffer buf) { return new InputStream() { @Override public int read() throws IOException { if (!buf.hasRemaining()) { return -1; } return buf.get() & 0xFF; } @Override public int read(byte[] bytes, int off, int len) throws IOException { if (!buf.hasRemaining()) { return -1; } len = Math.min(len, buf.remaining()); buf.get(bytes, off, len); return len; } }; } }