package org.apache.myfaces.tobago.servlet;
/*
* 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.
*/
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.myfaces.tobago.config.Attribute;
import org.apache.myfaces.tobago.config.MappingRule;
import org.apache.myfaces.tobago.config.TobagoConfig;
import javax.faces.context.FacesContext;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Iterator;
/**
* @deprecated Please use JSP 2.0 tag-files or an other template mechanism.
*/
@Deprecated
public class TemplateServlet extends HttpServlet {
private static final long serialVersionUID = -646440036923109210L;
private static final Log LOG = LogFactory.getLog(TemplateServlet.class);
public void service(
HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String viewId = request.getRequestURI().substring(
request.getContextPath().length());
if (LOG.isDebugEnabled()) {
LOG.debug("viewId = '" + viewId + "'");
}
String requestUri = remap(request, viewId);
if (LOG.isDebugEnabled()) {
LOG.debug("requestUri = '" + requestUri + "'");
}
if (requestUri.endsWith(".view")) { // TODO: make .view configurable
String error = "cannot find URI in config file: '" + requestUri + "'";
LOG.error(error);
throw new ServletException(error);
}
if (LOG.isDebugEnabled()) {
LOG.debug("requestUri = '" + requestUri + "'");
}
try {
RequestDispatcher dispatcher = request.getRequestDispatcher(requestUri);
dispatcher.forward(request, response);
} catch (IOException e) {
LOG.error("requestUri '" + requestUri + "' "
+ "viewId '" + viewId + "' ", e);
throw e;
} catch (ServletException e) {
LOG.error("requestUri '" + requestUri + "' "
+ "viewId '" + viewId + "' ", e);
throw e;
}
}
private String remap(ServletRequest request, String requestURI) {
FacesContext facesContext = FacesContext.getCurrentInstance();
TobagoConfig config = TobagoConfig.getInstance(facesContext);
MappingRule mappingRule = config.getMappingRule(requestURI);
if (mappingRule == null) {
return requestURI;
}
for (Iterator i = mappingRule.getAttributes().iterator(); i.hasNext();) {
Attribute attribute = (Attribute) i.next();
request.setAttribute(attribute.getKey(), attribute.getValue());
}
return mappingRule.getForwardUri();
}
}