Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright 2011 bccapi.com
 *
 * 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.DataInputStream;
import java.io.IOException;

public class Main {
    /**
     * Read a number of bytes or throw.
     * 
     * @param size
     *           The number of bytes read
     * @return The array of bytes read.
     * @throws IOException
     */
    public static byte[] readBytes(DataInputStream stream, int size) throws IOException {
        byte[] buf = new byte[size];
        int toRead = size;
        int done = 0;
        while (toRead > 0) {
            int read = stream.read(buf, done, toRead);
            if (read == -1) {
                throw new IOException();
            }
            done += read;
            toRead -= read;
        }
        return buf;
    }
}