/*
* 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;
import java.util.Map;
import org.radeox.filter.context.FilterContext;
import org.radeox.filter.regex.LocaleRegexTokenFilter;
import org.radeox.regex.MatchResult;
/*
* ParamFilter replaces parametes from from the MacroFilter in the input. These
* parameters could be read from an HTTP request and put in MacroFilter. A
* parameter is replaced in {$paramName} @author stephan @team sonicteam
*
* @version $Id: ParamFilter.java 7756 2006-04-13 12:25:49Z ian@caret.cam.ac.uk $
*/
public class ParamFilter extends LocaleRegexTokenFilter
{
public void handleMatch(StringBuffer buffer, MatchResult result,
FilterContext context)
{
Map param = context.getRenderContext().getParameters();
String name = result.group(1);
if (param.containsKey(name))
{
Object value = param.get(name);
if (value instanceof String[])
{
buffer.append(((String[]) value)[0]);
}
else
{
buffer.append(value);
}
}
else
{
buffer.append("<");
buffer.append(name);
buffer.append(">");
}
}
protected String getLocaleKey()
{
return "filter.param";
}
protected boolean isSingleLine()
{
return true;
}
}