| /** |
| * 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.camel.component.jetty; |
| |
| import java.io.File; |
| 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; |
| |
| /** |
| * The camel filter wrapper that processes only initially dispatched requests. |
| * Re-dispatched requests are ignored. |
| */ |
| public class CamelFilterWrapper implements Filter { |
| |
| private Filter wrapped; |
| |
| public CamelFilterWrapper(Filter wrapped) { |
| this.wrapped = wrapped; |
| } |
| |
| public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { |
| if (request.getAttribute(CamelContinuationServlet.EXCHANGE_ATTRIBUTE_NAME) == null) { |
| wrapped.doFilter(request, response, chain); |
| } else { |
| chain.doFilter(request, response); |
| } |
| } |
| |
| public void destroy() { |
| wrapped.destroy(); |
| } |
| |
| public void init(FilterConfig config) throws ServletException { |
| Object o = config.getServletContext().getAttribute("javax.servlet.context.tempdir"); |
| if (o == null) { |
| //when run in embedded mode, Jetty 8 will forget to set this property, |
| //but the MultiPartFilter requires it (will NPE if not set) so we'll |
| //go ahead and set it to the default tmp dir on the system. |
| try { |
| File file = File.createTempFile("camel", ""); |
| file.delete(); |
| config.getServletContext().setAttribute("javax.servlet.context.tempdir", |
| file.getParentFile()); |
| } catch (IOException e) { |
| //ignore |
| } |
| } |
| wrapped.init(config); |
| } |
| |
| } |