Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import java.util.zip.GZIPOutputStream;

public class Main {
    /**
     * Compresses a GZIP file.
     * @param bytes The uncompressed bytes.
     * @return The compressed bytes.
     * @throws IOException if an I/O error occurs.
     */
    public static byte[] gzip(byte[] bytes) throws IOException {
        /* create the streams */
        try (InputStream is = new ByteArrayInputStream(bytes)) {
            ByteArrayOutputStream bout = new ByteArrayOutputStream();
            try (OutputStream os = new GZIPOutputStream(bout)) {
                /* copy data between the streams */
                byte[] buf = new byte[4096];
                int len;
                while ((len = is.read(buf, 0, buf.length)) != -1) {
                    os.write(buf, 0, len);
                }
            }

            /* return the compressed bytes */
            return bout.toByteArray();
        }
    }
}