/* | |
* 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.ki.samples.spring.web; | |
import java.util.HashMap; | |
import java.util.Map; | |
import javax.servlet.http.HttpServletRequest; | |
import javax.servlet.http.HttpServletResponse; | |
import org.springframework.web.servlet.ModelAndView; | |
import org.springframework.web.servlet.mvc.AbstractController; | |
import org.apache.ki.SecurityUtils; | |
import org.apache.ki.session.Session; | |
import org.apache.ki.subject.Subject; | |
/** | |
* Controller used to dynamically build a JNLP file used to launch the Apache Ki | |
* Spring WebStart sample application. | |
* | |
* @author Jeremy Haile | |
* @since 0.1 | |
*/ | |
public class JnlpController extends AbstractController { | |
/*-------------------------------------------- | |
| C O N S T A N T S | | |
============================================*/ | |
/*-------------------------------------------- | |
| I N S T A N C E V A R I A B L E S | | |
============================================*/ | |
private String jnlpView; | |
/*-------------------------------------------- | |
| C O N S T R U C T O R S | | |
============================================*/ | |
/*-------------------------------------------- | |
| A C C E S S O R S / M O D I F I E R S | | |
============================================*/ | |
public void setJnlpView(String jnlpView) { | |
this.jnlpView = jnlpView; | |
} | |
/*-------------------------------------------- | |
| M E T H O D S | | |
============================================*/ | |
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception { | |
Subject subject = SecurityUtils.getSubject(); | |
Session session = null; | |
if (subject != null) { | |
session = subject.getSession(); | |
} | |
if (session == null) { | |
String msg = "Expected a non-null Apache Ki session."; | |
throw new IllegalArgumentException(msg); | |
} | |
StringBuilder sb = new StringBuilder(); | |
sb.append("http://"); | |
sb.append(request.getServerName()); | |
if (request.getServerPort() != 80) { | |
sb.append(":"); | |
sb.append(request.getServerPort()); | |
} | |
sb.append(request.getContextPath()); | |
// prevent JNLP caching by setting response headers | |
response.setHeader("cache-control", "no-cache"); | |
response.setHeader("pragma", "no-cache"); | |
Map<String, Object> model = new HashMap<String, Object>(); | |
model.put("codebaseUrl", sb.toString()); | |
model.put("sessionId", session.getId()); | |
return new ModelAndView(jnlpView, model); | |
} | |
} |