119 lines
4.6 KiB
Java
119 lines
4.6 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* $Header:$
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*/
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package org.apache.beehive.netui.tags.divpanel;
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import org.apache.beehive.netui.pageflow.interceptor.InterceptorChain;
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import org.apache.beehive.netui.pageflow.interceptor.InterceptorException;
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import org.apache.beehive.netui.pageflow.interceptor.request.RequestInterceptorContext;
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import org.apache.beehive.netui.pageflow.requeststate.INameable;
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import org.apache.beehive.netui.pageflow.requeststate.NameService;
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import org.apache.beehive.netui.tags.AbstractClientRequestInterceptor;
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import org.apache.beehive.netui.core.chain.Context;
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import org.apache.beehive.netui.core.chain.Command;
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import org.apache.beehive.netui.core.chain.web.WebChainContext;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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public class DivPanelCRI
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extends AbstractClientRequestInterceptor
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implements Command
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{
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private static final String SWITCH_PAGE = "switchPage";
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public boolean execute(Context context)
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throws Exception {
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assert context != null;
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assert context instanceof WebChainContext;
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assert ((WebChainContext)context).getServletRequest() instanceof HttpServletRequest;
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assert ((WebChainContext)context).getServletResponse() instanceof HttpServletResponse;
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WebChainContext webChainContext = (WebChainContext)context;
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HttpServletRequest request = (HttpServletRequest)webChainContext.getServletRequest();
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HttpServletResponse response = (HttpServletResponse)webChainContext.getServletResponse();
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// Create the command by striping off the context path and the extension
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String uri = request.getRequestURI();
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String ctxtPath = request.getContextPath();
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String cmd = getCommand(uri, ctxtPath);
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return handleCommand(cmd, request, response);
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}
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public void preRequest(RequestInterceptorContext ctxt, InterceptorChain chain) throws InterceptorException
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{
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HttpServletRequest request = ctxt.getRequest();
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HttpServletResponse response = ctxt.getResponse();
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// Create the command by striping off the context path and the extension
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String uri = request.getRequestURI();
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String ctxtPath = request.getContextPath();
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String cmd = getCommand(uri, ctxtPath);
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handleCommand(cmd, request, response);
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chain.continueChain();
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}
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public void postRequest(RequestInterceptorContext context, InterceptorChain chain) throws InterceptorException
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{
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chain.continueChain();
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}
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private boolean handleCommand(String command, HttpServletRequest request, HttpServletResponse response) {
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if (SWITCH_PAGE.equals(command)) {
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handlePageSwitch(request, response);
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return true;
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}
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else return false;
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}
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private void handlePageSwitch(HttpServletRequest request, HttpServletResponse response)
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{
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// create an XML empty document, that isn't cached on the client
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response.setContentType("text/xml");
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response.setHeader("Pragma", "No-cache");
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response.setHeader("Cache-Control", "no-cache");
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String dp = request.getParameter("divPanel");
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String fp = request.getParameter("firstPage");
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//System.err.println("DivPanel Command: switch, DivPanel:" + dp + " Node:" + fp);
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NameService ns = NameService.instance(request.getSession());
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assert(ns != null);
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// get the DivPanel from the name service
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INameable n = ns.get(dp);
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if (n == null) {
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System.err.println("DivPanel '" + dp + "' was not found in the NameService");
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return;
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}
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if (!(n instanceof DivPanelState)) {
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System.err.println("Named dp was not an instance of a DivPanelState");
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return;
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}
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DivPanelState state = (DivPanelState) n;
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state.setFirstPage(fp);
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}
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}
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