/*

  * Copyright 2001,2004 The Apache Software Foundation.

  * 

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  * 

  *      http://www.apache.org/licenses/LICENSE-2.0

  * 

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.apache.commons.jjar;

 import java.lang.Package;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.Collection;

 import java.util.Map;

 import java.util.List;

 import java.util.StringTokenizer;

 import java.util.jar.JarFile;

 import java.util.jar.Manifest;

 import java.util.jar.Attributes;

 import java.util.jar.JarInputStream;

 import java.io.File;

 import java.io.FileOutputStream;

 import java.io.BufferedInputStream;

 import java.io.BufferedOutputStream;

 import java.io.InputStream;

 import java.io.OutputStream;

 import java.net.JarURLConnection;

 import java.net.URLConnection;

 import java.net.URL;

 /**

  *  bit moving  support for JJAR

  * 

  *  @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>

  *  @version $Id: Transport.java 155454 2005-02-26 13:23:34Z dirkv $

  */

 public class Transport

 {

     public static boolean fetchJar( URLConnection source, String dest )

     {

         BufferedInputStream bis = null;

         BufferedOutputStream bos = null;

         try

         {

             bis = new BufferedInputStream( source.getInputStream());

             bos = new BufferedOutputStream( new FileOutputStream( dest ) );

             return fetch( bis, bos );

         }

         catch( Exception e )

         {

             System.out.println("Transport.fetchJar() :  " + e );

         }

         finally

         {

             try{

                 if (bos != null)

                     bos.close();

             }catch(Exception e){}

         }

         return false;

     }

     private static boolean fetch( InputStream is, OutputStream os )

         throws Exception

     {

         byte[] buf = new byte[ 1024];

         int count = 0;

         do 

         {

             os.write( buf, 0, count);

             count = is.read(buf, 0, buf.length);

         } while (count != -1);

         return true;

     }

 }