/*
* 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.
*
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package org.apache.beehive.netui.tags.divpanel;
import org.apache.beehive.netui.pageflow.interceptor.InterceptorChain;
import org.apache.beehive.netui.pageflow.interceptor.InterceptorException;
import org.apache.beehive.netui.pageflow.interceptor.request.RequestInterceptorContext;
import org.apache.beehive.netui.pageflow.requeststate.INameable;
import org.apache.beehive.netui.pageflow.requeststate.NameService;
import org.apache.beehive.netui.tags.AbstractClientRequestInterceptor;
import org.apache.beehive.netui.core.chain.Context;
import org.apache.beehive.netui.core.chain.Command;
import org.apache.beehive.netui.core.chain.web.WebChainContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class DivPanelCRI
extends AbstractClientRequestInterceptor
implements Command
{
private static final String SWITCH_PAGE = "switchPage";
public boolean execute(Context context)
throws Exception {
assert context != null;
assert context instanceof WebChainContext;
assert ((WebChainContext)context).getServletRequest() instanceof HttpServletRequest;
assert ((WebChainContext)context).getServletResponse() instanceof HttpServletResponse;
WebChainContext webChainContext = (WebChainContext)context;
HttpServletRequest request = (HttpServletRequest)webChainContext.getServletRequest();
HttpServletResponse response = (HttpServletResponse)webChainContext.getServletResponse();
// Create the command by striping off the context path and the extension
String uri = request.getRequestURI();
String ctxtPath = request.getContextPath();
String cmd = getCommand(uri, ctxtPath);
return handleCommand(cmd, request, response);
}
public void preRequest(RequestInterceptorContext ctxt, InterceptorChain chain) throws InterceptorException
{
HttpServletRequest request = ctxt.getRequest();
HttpServletResponse response = ctxt.getResponse();
// Create the command by striping off the context path and the extension
String uri = request.getRequestURI();
String ctxtPath = request.getContextPath();
String cmd = getCommand(uri, ctxtPath);
handleCommand(cmd, request, response);
chain.continueChain();
}
public void postRequest(RequestInterceptorContext context, InterceptorChain chain) throws InterceptorException
{
chain.continueChain();
}
private boolean handleCommand(String command, HttpServletRequest request, HttpServletResponse response) {
if (SWITCH_PAGE.equals(command)) {
handlePageSwitch(request, response);
return true;
}
else return false;
}
private void handlePageSwitch(HttpServletRequest request, HttpServletResponse response)
{
// create an XML empty document, that isn't cached on the client
response.setContentType("text/xml");
response.setHeader("Pragma", "No-cache");
response.setHeader("Cache-Control", "no-cache");
String dp = request.getParameter("divPanel");
String fp = request.getParameter("firstPage");
//System.err.println("DivPanel Command: switch, DivPanel:" + dp + " Node:" + fp);
NameService ns = NameService.instance(request.getSession());
assert(ns != null);
// get the DivPanel from the name service
INameable n = ns.get(dp);
if (n == null) {
System.err.println("DivPanel '" + dp + "' was not found in the NameService");
return;
}
if (!(n instanceof DivPanelState)) {
System.err.println("Named dp was not an instance of a DivPanelState");
return;
}
DivPanelState state = (DivPanelState) n;
state.setFirstPage(fp);
}
}