Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2012 www.amsoft.cn
 * 
 * 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.ByteArrayOutputStream;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;

public class Main {

    public static byte[] stream2bytes(InputStream inStream) throws IOException {
        byte[] buff = new byte[1024];
        byte[] data = null;
        try {
            ByteArrayOutputStream swapStream = new ByteArrayOutputStream();
            int read = 0;
            while ((read = inStream.read(buff, 0, 100)) > 0) {
                swapStream.write(buff, 0, read);
            }
            data = swapStream.toByteArray();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return data;
    }

    public static byte[] stream2Bytes(InputStream in, int length) throws IOException {
        byte[] bytes = new byte[length];
        int count;
        int pos = 0;
        while (pos < length && ((count = in.read(bytes, pos, length - pos)) != -1)) {
            pos += count;
        }
        if (pos != length) {
            throw new IOException("Expected " + length + " bytes, read " + pos + " bytes");
        }
        return bytes;
    }

    /**
     * Simple wrapper around {@link InputStream#read()} that throws EOFException
     * instead of returning -1.
     *
     * @param is the is
     * @return the int
     * @throws IOException Signals that an I/O exception has occurred.
     */
    public static int read(InputStream is) throws IOException {
        int b = is.read();
        if (b == -1) {
            throw new EOFException();
        }
        return b;
    }
}