ZipFileUtil.java Source code

Introduction

Here is the source code for ZipFileUtil.java

Source

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

/**
 * @author csterling
 *
 */
public class ZipFileUtil {

    /**
     * @param zipFile
     * @param jiniHomeParentDir
     */
    public static void unzipFileIntoDirectory(ZipFile zipFile, File jiniHomeParentDir) {
        Enumeration files = zipFile.entries();
        File f = null;
        FileOutputStream fos = null;

        while (files.hasMoreElements()) {
            try {
                ZipEntry entry = (ZipEntry) files.nextElement();
                InputStream eis = zipFile.getInputStream(entry);
                byte[] buffer = new byte[1024];
                int bytesRead = 0;

                f = new File(jiniHomeParentDir.getAbsolutePath() + File.separator + entry.getName());

                if (entry.isDirectory()) {
                    f.mkdirs();
                    continue;
                } else {
                    f.getParentFile().mkdirs();
                    f.createNewFile();
                }

                fos = new FileOutputStream(f);

                while ((bytesRead = eis.read(buffer)) != -1) {
                    fos.write(buffer, 0, bytesRead);
                }
            } catch (IOException e) {
                e.printStackTrace();
                continue;
            } finally {
                if (fos != null) {
                    try {
                        fos.close();
                    } catch (IOException e) {
                        // ignore
                    }
                }
            }
        }
    }

}