Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2011 madvertise Mobile Advertising GmbH
 *
 * 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.util.Arrays;

public class Main {
    /**
     * Compares two streams
     * 
     * @param inputStream1
     * @param inputStream2
     * @return true, if streams are the same
     * @throws IOException
     */
    protected static boolean compareTwoStreams(InputStream inputStream1, InputStream inputStream2)
            throws IOException {
        boolean error = false;
        try {
            byte[] buffer1 = new byte[1024];
            byte[] buffer2 = new byte[1024];
            try {
                int numRead1 = 0;
                int numRead2 = 0;
                while (true) {
                    numRead1 = inputStream1.read(buffer1);
                    numRead2 = inputStream2.read(buffer2);
                    if (numRead1 > -1) {
                        if (numRead2 != numRead1)
                            return false;
                        if (!Arrays.equals(buffer1, buffer2))
                            return false;
                    } else {
                        return numRead2 < 0;
                    }
                }
            } finally {
                inputStream1.close();
            }
        } catch (IOException e) {
            error = true;
            throw e;
        } catch (RuntimeException e) {
            error = true;
            throw e;
        } finally {
            try {
                inputStream2.close();
            } catch (IOException e) {
                if (!error)
                    throw e;
            }
        }
    }
}