Created
October 3, 2017 23:57
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Java gzip compress/decompress string
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import java.io.BufferedReader; | |
import java.io.ByteArrayInputStream; | |
import java.io.ByteArrayOutputStream; | |
import java.io.IOException; | |
import java.io.InputStreamReader; | |
import java.util.zip.GZIPInputStream; | |
import java.util.zip.GZIPOutputStream; | |
public class Gzip { | |
public static byte[] compress(String data) throws IOException { | |
ByteArrayOutputStream bos = new ByteArrayOutputStream(data.length()); | |
GZIPOutputStream gzip = new GZIPOutputStream(bos); | |
gzip.write(data.getBytes()); | |
gzip.close(); | |
byte[] compressed = bos.toByteArray(); | |
bos.close(); | |
return compressed; | |
} | |
public static String decompress(byte[] compressed) throws IOException { | |
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); | |
} | |
br.close(); | |
gis.close(); | |
bis.close(); | |
return sb.toString(); | |
} | |
} |
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