com.couchbase.lite.util.ZipUtils Maven / Gradle / Ivy

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package com.couchbase.lite.util;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

/**
 * Created by hideki on 8/27/15.
 */
public class ZipUtils {
    public static void unzip(InputStream in, File destination) throws IOException {
        byte[] buffer = new byte[1024];
        ZipInputStream zis = new ZipInputStream(in);
        ZipEntry ze = zis.getNextEntry();
        while (ze != null) {
            String fileName = ze.getName();
            File newFile = new File(destination, fileName);
            if (ze.isDirectory()) {
                newFile.mkdirs();
            } else {
                new File(newFile.getParent()).mkdirs();
                FileOutputStream fos = new FileOutputStream(newFile);
                int len;
                while ((len = zis.read(buffer)) > 0) {
                    fos.write(buffer, 0, len);
                }
                fos.close();
            }
            ze = zis.getNextEntry();
        }
        zis.closeEntry();
        zis.close();
        in.close();
    }
}