handler.java

java 文件下载器。可自定义

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   Handler.java

package org.gudy.azureus2.core3.util.protocol.dht;

import java.io.IOException;
import java.net.*;
import org.gudy.azureus2.core3.util.*;

public class Handler extends URLStreamHandler
{

	public Handler()
	{
	}

	public URLConnection openConnection(URL u)
	{
		URL magnet_url;
		MalformedURLException e;
		try
		{
			String str = u.toString();
			str = str.substring(6);
			int param_pos = str.indexOf('/');
			String hash = param_pos != -1 ? str.substring(0, param_pos) : str;
			hash = hash.trim();
			int dot_pos = hash.indexOf('.');
			if (dot_pos != -1)
				hash = hash.substring(0, dot_pos).trim();
			if (hash.length() == 40)
				hash = Base32.encode(ByteFormatter.decodeString(hash));
			magnet_url = new URL((new StringBuilder()).append("magnet:?xt=urn:btih:").append(hash).append("/").append(param_pos != -1 ? str.substring(param_pos + 1) : "").toString());
		}
		// Misplaced declaration of an exception variable
		catch (MalformedURLException e)
		{
			Debug.out((new StringBuilder()).append("Failed to transform dht url '").append(u).append("'").toString(), e);
			return null;
		}
		return magnet_url.openConnection();
		e;
		Debug.printStackTrace(e);
		return null;
		e;
		Debug.printStackTrace(e);
		return null;
	}
}