/*
* Created on 27-Apr-2004
* Created by Paul Gardner
* Copyright (C) 2004, 2005, 2006 Aelitis, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.core3.html.impl;
/**
* @author parg
*
*/
import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
import org.gudy.azureus2.core3.html.*;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.util.Debug;
public class
HTMLPageImpl
extends HTMLChunkImpl
implements HTMLPage
{
public
HTMLPageImpl(
InputStream is,
String charset,
boolean close_file )
throws HTMLException
{
BufferedReader 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));
}
while(true){
String line = br.readLine();
if ( line == null ){
break;
}
res.append( line );
}
setContent( res.toString());
}catch( IOException e ){
throw( new HTMLException( "Error reading HTML page", e ));
}finally{
if ( br != null && close_file ){
try{
br.close();
}catch( IOException e ){
Debug.printStackTrace( e );
}
}
}
}
public URL
getMetaRefreshURL()
{
return( getMetaRefreshURL( null ));
}
public URL
getMetaRefreshURL(
URL base_url )
{
// <META HTTP-EQUIV="refresh" content="5; URL=xxxxxxx">;
String[] tags = getTags( "META" );
for (int i=0;i<tags.length;i++){
String tag = tags[i];
String lc_tag = tag.toLowerCase( MessageText.LOCALE_ENGLISH );
int pos = lc_tag.indexOf("http-equiv=\"refresh\"");
int url_start = lc_tag.indexOf( "url=" );
if ( pos != -1 && url_start != -1 ){
url_start += 4;
int e1 = lc_tag.indexOf( "\"", url_start );
if ( e1 != -1 ){
try{
String mr_url = tag.substring(url_start, e1).trim();
String lc = mr_url.toLowerCase();
if ( ! ( lc.startsWith( "http:" ) || lc.startsWith( "https:" ))){
if ( base_url != null ){
String s = base_url.toExternalForm();
int p = s.indexOf( '?' );
if ( p != -1 ){
s = s.substring( 0, p );
}
if ( s.endsWith( "/" ) && mr_url.startsWith( "/" )){
mr_url = mr_url.substring( 1 );
}
mr_url = s + mr_url;
}
}
return( new URL( mr_url ));
}catch( MalformedURLException e ){
Debug.printStackTrace( e );
}
}
}
}
return( null );
}
}