/*
* This file is part of "SnipSnap Radeox Rendering Engine".
*
* Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
* All Rights Reserved.
*
* Please visit http://radeox.org/ for updates and contact.
*
* --LICENSE NOTICE--
* 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.
* --LICENSE NOTICE--
*/
package org.radeox.filter.regex;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.radeox.filter.context.FilterContext;
import org.radeox.regex.Matcher;
import org.radeox.regex.Pattern;
/*
* Class that applies a RegexFilter, can be subclassed for special Filters.
* Regular expressions in the input are replaced with strings. @author stephan
* @team sonicteam
*
* @version $Id: RegexReplaceFilter.java 7707 2006-04-12 17:30:19Z
* ian@caret.cam.ac.uk $
*/
public class RegexReplaceFilter extends RegexFilter
{
private static Log log = LogFactory.getLog(RegexReplaceFilter.class);
public RegexReplaceFilter()
{
super();
}
public RegexReplaceFilter(String regex, String substitute)
{
super(regex, substitute);
}
public RegexReplaceFilter(String regex, String substitute, boolean multiline)
{
super(regex, substitute, multiline);
}
public String filter(String input, FilterContext context)
{
String result = input;
int size = pattern.size();
Pattern p;
String s;
for (int i = 0; i < size; i++)
{
p = (Pattern) pattern.get(i);
s = (String) substitute.get(i);
try
{
Matcher matcher = Matcher.create(result, p);
result = matcher.substitute(s);
// Util.substitute(matcher, p, new Perl5Substitution(s,
// interps), result, limit);
}
catch (Exception e)
{
// log.warn("<span class=\"error\">Exception</span>: " + this +
// ": " + e);
log.warn("Exception for: " + this + " " + e);
}
catch (Error err)
{
// log.warn("<span class=\"error\">Error</span>: " + this + ": "
// + err);
log.warn("Error for: " + this);
err.printStackTrace();
}
}
return result;
}
}