com.clickntap.utils.ZipUtils Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of click_framework Show documentation

Java Framework based on Spring Framework, Freemarker and Simplicity

The newest version!

package com.clickntap.utils;

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

import net.lingala.zip4j.core.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.model.ZipParameters;
import net.lingala.zip4j.util.Zip4jConstants;

public class ZipUtils {

  public static void unzip(String source, String destination, String password) throws ZipException {
    ZipFile zipFile = new ZipFile(source);
    if (zipFile.isEncrypted()) {
      zipFile.setPassword(password);
    }
    zipFile.extractAll(destination);
  }

  public static void unzip(InputStream in, String destination) throws Exception {
    ZipInputStream zipIn = new ZipInputStream(in);
    ZipEntry entry;
    while ((entry = zipIn.getNextEntry()) != null) {
      if (!entry.isDirectory()) {
        File outFile = new File(destination + "/" + entry.getName());
        outFile.getParentFile().mkdirs();
        FileOutputStream out = new FileOutputStream(outFile);
        IOUtils.copy(zipIn, out);
        out.close();
      }
    }
    zipIn.close();
  }

  public static void unzip(String source, String destination) throws ZipException {
    unzip(source, destination, null);
  }

  public static void zipFolder(File folder, File destination) throws ZipException {
    ZipParameters parameters = new ZipParameters();
    parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
    parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
    ZipFile zipFile = new ZipFile(destination);
    zipFile.addFolder(folder, parameters);
  }
}