nextapp.echo.webcontainer.util.GZipCompressor Maven / Gradle / Ivy
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/*
* This file is part of the Echo Web Application Framework (hereinafter "Echo").
* Copyright (C) 2002-2009 NextApp, Inc.
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*/
package nextapp.echo.webcontainer.util;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.zip.GZIPOutputStream;
/**
* Utility class for GZip compression.
*/
public class GZipCompressor {
/**
* Compresses a String.
*
* @param s the String to compress
* @return an array of bytes containing GZip-compression output
* @throws IOException
*/
public static byte[] compress(String s)
throws IOException {
ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
GZIPOutputStream gZipOut = new GZIPOutputStream(byteOut);
gZipOut.write(s.getBytes());
gZipOut.finish();
byteOut.close();
return byteOut.toByteArray();
}
}