source: gs3-extensions/maori-lang-detection/src/org/greenstone/atea/Utility.java@ 33466

package org.greenstone.atea;

import java.io.*;
import java.util.zip.GZIPInputStream;

public class Utility {
    
    // Run gunzip
    // To avoid making this linux specific, use Java to unzip, instead of running gunzip as process
    // https://www.mkyong.com/java/how-to-decompress-file-from-gzip-file/
    public static boolean unzipFile(File inZipFile, File outFile) { 
    
    byte[] buffer = new byte[1024];

    // try-with-resources will safely close streams/dispose resources on success or error and exceptions
    try (       
        GZIPInputStream gzis = new GZIPInputStream(new FileInputStream(inZipFile));     
        FileOutputStream out = new FileOutputStream(outFile);
    ) {
        int len;
        while ((len = gzis.read(buffer)) > 0) {
            out.write(buffer, 0, len);
        }
        
        //gzis.close();
        //out.close();
        
        //log("Unzipped " + inZipFile + " to " + outFile);
        
    } catch(IOException ex) {
        //error("Failed to unzip " + inZipFile);
        System.err.println("Failed to unzip " + inZipFile);
        ex.printStackTrace();
        return false;
    }

    return true;
    }

}