org.apache.myfaces.trinidad.webapp.TrinidadFilter Maven / Gradle / Ivy
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.myfaces.trinidad.webapp;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.apache.myfaces.trinidad.logging.TrinidadLogger;
/**
* Servlet filter that ensures that Trinidad is properly initialized
* by establishing a RequestContext object; this filter also processes file
* uploads.
*
* @version $Name: $ ($Revision: adfrt/faces/adf-faces-api/src/main/java/oracle/adf/view/faces/webapp/AdfFacesFilter.java#0 $) $Date: 10-nov-2005.19:08:29 $
*/
public class TrinidadFilter implements Filter
{
public void init(
FilterConfig filterConfig) throws ServletException
{
ClassLoader loader = Thread.currentThread().getContextClassLoader();
if (loader == null)
_LOG.severe("CANNOT_FIND_CONTEXT_CLASS_LOADER");
else
{
try
{
Class proxiedClass = loader.loadClass(
"org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl");
_proxied = (Filter) proxiedClass.newInstance();
_proxied.init(filterConfig);
}
catch (ClassNotFoundException cnfe)
{
_LOG.severe(cnfe);
}
catch (IllegalAccessException iae)
{
_LOG.severe(iae);
}
catch (InstantiationException ie)
{
_LOG.severe(ie);
}
catch (RuntimeException e)
{
// OC4J was not reporting these errors properly:
_LOG.severe(e);
throw e;
}
}
}
public void destroy()
{
if (_proxied != null)
_proxied.destroy();
_proxied = null;
}
public void doFilter(
ServletRequest request,
ServletResponse response,
FilterChain chain) throws IOException, ServletException
{
if (_proxied != null)
_proxied.doFilter(request, response, chain);
else
chain.doFilter(request, response);
}
private static final TrinidadLogger _LOG = TrinidadLogger.createTrinidadLogger(TrinidadFilter.class);
private Filter _proxied;
}