Java Decompress Byte Array decompressString(byte[] compressed)

Description

GZIP de-compresses the data

License

Apache License

Declaration

public static String decompressString(byte[] compressed)
        throws IOException 

Method Source Code

//package com.java2s;
/*/*  w  w  w  .  jav  a  2s.  c  o  m*/
 * Copyright 2017 Danish Maritime Authority.
 *
 * 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.BufferedReader;
import java.io.ByteArrayInputStream;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.zip.GZIPInputStream;

public class Main {
    /** GZIP de-compresses the data **/
    public static String decompressString(byte[] compressed)
            throws IOException {
        if (compressed != null) {
            try (ByteArrayInputStream bis = new ByteArrayInputStream(
                    compressed);
                    GZIPInputStream gis = new GZIPInputStream(bis);
                    BufferedReader br = new BufferedReader(
                            new InputStreamReader(gis, "UTF-8"))) {
                StringBuilder sb = new StringBuilder();
                String line;
                while ((line = br.readLine()) != null) {
                    sb.append(line);
                }
                return sb.toString();
            }
        }
        return null;
    }
}

Related

1. decompressFolderByteArray(byte[] folderAsCompressedArray, File unzippedLocation)
2. decompressGzip(byte[] compressed)
3. decompressGZIP(byte[] data)
4. decompressGzipByteArray(byte[] compressedByteArray)
5. decompressObject(byte[] bytes)
6. decompressString(byte[] compressedData)
7. decompressString(byte[] compressedString)
8. decompressStringFromByteArray(byte[] compressedString)