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  * JBoss, Home of Professional Open Source
  * Copyright 2013, Red Hat, Inc., and individual contributors
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
  * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.jboss.weld.servlet;
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  javax.servlet.http.HttpServletRequest;
Filter that handles conversation context activation if mapped by the application. Otherwise, conversation context is activated by org.jboss.weld.servlet.WeldInitialListener at the beginning of the request processing.

Jozef Hartinger
See also:
public class ConversationFilter implements Filter {
    public static final String CONVERSATION_FILTER_REGISTERED = ConversationFilter.class.getName() +  ".registered";
    private BeanManagerImpl manager;
    public void init(FilterConfig filterConfigthrows ServletException {
         = ServletUtils.getContextActivationFilter(filterConfig.getServletContext());
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chainthrows IOException, ServletException {
        if (request instanceof HttpServletRequest) {
            HttpServletRequest httpRequest = (HttpServletRequest) request;
            if (.accepts(httpRequest)) {
             * We do not deactivate the conversation context in the filer. WeldListener takes care of that!
        } else {
            throw ..onlyHttpServletLifecycleDefined();
    public void destroy() {
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