htmlpageimpl.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:   HTMLPageImpl.java

package org.gudy.azureus2.core3.html.impl;

import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
import org.gudy.azureus2.core3.html.HTMLException;
import org.gudy.azureus2.core3.html.HTMLPage;
import org.gudy.azureus2.core3.util.Debug;

// Referenced classes of package org.gudy.azureus2.core3.html.impl:
//			HTMLChunkImpl

public class HTMLPageImpl extends HTMLChunkImpl
	implements HTMLPage
{

	public HTMLPageImpl(InputStream is, String charset, boolean close_file)
		throws HTMLException
	{
		BufferedReader br;
		Exception exception;
		br = null;
		StringBuffer res = new StringBuffer(1024);
		try
		{
			if (charset == null)
				br = new BufferedReader(new InputStreamReader(is));
			else
				br = new BufferedReader(new InputStreamReader(is, charset));
			do
			{
				String line = br.readLine();
				if (line == null)
					break;
				res.append(line);
			} while (true);
			setContent(res.toString());
		}
		catch (IOException e)
		{
			throw new HTMLException("Error reading HTML page", e);
		}
		finally
		{
			if (br == null || !close_file) goto _L0; else goto _L0
		}
		if (br != null && close_file)
			try
			{
				br.close();
			}
			catch (IOException e)
			{
				Debug.printStackTrace(e);
			}
		break MISSING_BLOCK_LABEL_166;
		try
		{
			br.close();
		}
		catch (IOException e)
		{
			Debug.printStackTrace(e);
		}
		throw exception;
	}

	public URL getMetaRefreshURL()
	{
		String tags[];
		int i;
		tags = getTags("META");
		i = 0;
_L3:
		if (i >= tags.length) goto _L2; else goto _L1
_L1:
		String tag;
		int url_start;
		int e2;
		tag = tags[i];
		String lc_tag = tag.toLowerCase();
		int pos = lc_tag.indexOf("http-equiv=\"refresh\"");
		url_start = lc_tag.indexOf("url=");
		if (pos == -1 || url_start == -1)
			continue; /* Loop/switch isn't completed */
		url_start += 4;
		int e1 = lc_tag.indexOf("\"", url_start);
		e2 = lc_tag.indexOf(">", url_start);
		if (e1 == -1)
			continue; /* Loop/switch isn't completed */
		e2 = e1;
		return new URL(tag.substring(url_start, e2).trim());
		MalformedURLException e;
		e;
		Debug.printStackTrace(e);
		i++;
		  goto _L3
_L2:
		return null;
	}
}