import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
/**
* Created by nhancao on 7/22/16.
*/
public class GZipFile {
public static int BUFFER_SIZE = 8 * 1024;
private static GZipFile instance = new GZipFile();
public static GZipFile getInstance() {
return instance;
}
/**
* GZip it
*/
public void gzipIt(String sourceFile, String ouputGzipFile) {
byte[] buffer = new byte[BUFFER_SIZE];
try {
GZIPOutputStream gzos =
new GZIPOutputStream(new FileOutputStream(ouputGzipFile));
FileInputStream in =
new FileInputStream(sourceFile);
int len;
while ((len = in.read(buffer)) > 0) {
gzos.write(buffer, 0, len);
}
in.close();
gzos.finish();
gzos.close();
System.out.println("Done");
} catch (IOException ex) {
ex.printStackTrace();
}
}
/**
* GunZip it
*/
public void gunzipIt(String inputGzipFile, String outputFile) {
byte[] buffer = new byte[BUFFER_SIZE];
try {
GZIPInputStream gzis =
new GZIPInputStream(new FileInputStream(inputGzipFile));
FileOutputStream out =
new FileOutputStream(outputFile);
int len;
while ((len = gzis.read(buffer)) > 0) {
out.write(buffer, 0, len);
}
gzis.close();
out.close();
System.out.println("Done");
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
Greetings,
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-Karen