51 lines
1.4 KiB
Java
51 lines
1.4 KiB
Java
package com.pahimar.ee3.util;
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import java.io.*;
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import java.nio.charset.StandardCharsets;
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import java.util.zip.GZIPInputStream;
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import java.util.zip.GZIPOutputStream;
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public class CompressionHelper {
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/**
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*
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* @param uncompressedString
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* @return
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*/
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public static byte[] compress(String uncompressedString) {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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try (GZIPOutputStream gzipOutputStream = new GZIPOutputStream(byteArrayOutputStream)) {
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gzipOutputStream.write(uncompressedString.getBytes(StandardCharsets.UTF_8));
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gzipOutputStream.close();
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}
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catch (IOException e) {
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e.printStackTrace();
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}
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return byteArrayOutputStream.toByteArray();
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}
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/**
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*
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* @param compressedString
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* @return
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*/
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public static String decompress(byte[] compressedString) {
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StringBuilder stringBuilder = new StringBuilder();
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String line;
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try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(new GZIPInputStream(new ByteArrayInputStream(compressedString)), StandardCharsets.UTF_8))) {
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while ((line = bufferedReader.readLine()) != null) {
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stringBuilder.append(line);
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}
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}
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catch (IOException e) {
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e.printStackTrace();
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}
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return stringBuilder.toString();
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}
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}
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