package com.atlassian.plugin.util.zip;
   
   import org.apache.commons.io.IOUtils;
   
   import java.io.File;
   import java.io.IOException;
   import java.net.URL;
   import java.util.zip.ZipEntry;
   import java.util.zip.ZipInputStream;
  
  public class UrlUnzipper extends AbstractUnzipper {
      private URL zipUrl;
  
      public UrlUnzipper(URL zipUrl, File destDir) {
          this.zipUrl = zipUrl;
          this.destDir = destDir;
      }
  
      public void unzip() throws IOException {
          ZipInputStream zis = null;
          try {
              zis = new ZipInputStream(zipUrl.openStream());
  
              ZipEntry zipEntry;
              while ((zipEntry = zis.getNextEntry()) != null) {
                  saveEntry(zis, zipEntry);
              }
          } finally {
              IOUtils.closeQuietly(zis);
          }
      }
  
      public File unzipFileInArchive(String fileName) {
          throw new UnsupportedOperationException("Feature not implemented.");
      }
  
      public ZipEntry[] entries() throws IOException {
          return entries(new ZipInputStream(zipUrl.openStream()));
      }
  }