htmlcontentservlet.java

来自「这是AJAX的一个HTML实现！ HTML标签AJAX的实现！」· Java 代码 · 共 65 行

/**
 * Copyright 2005 Darren L. Spurgeon
 * 
 * Licensed 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 net.sourceforge.ajaxtags.demo.servlet;

import java.util.Date;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sourceforge.ajaxtags.demo.Car;
import net.sourceforge.ajaxtags.demo.CarService;
import net.sourceforge.ajaxtags.servlets.BaseAjaxServlet;

/**
 * An example servlet that responds to an ajax:htmlContent tag action.
 * 
 * @author Darren L. Spurgeon
 * @version $Revision: 28 $ $Date$
 */
public class HtmlContentServlet extends BaseAjaxServlet {

    /**
     * @see org.ajaxtags.demo.servlet.BaseAjaxServlet#getXmlContent(javax.servlet.http.HttpServletRequest,
     *      javax.servlet.http.HttpServletResponse)
     */
    public String getXmlContent(HttpServletRequest request,
	    HttpServletResponse response) throws Exception {
	String make = request.getParameter("make");
	if (make == null) {
	    make = "";
	}
	CarService service = new CarService();
	List<Car> list = service.getModelsByMake(make);

	StringBuffer html = new StringBuffer();
	html.append("<h2>").append(make.toUpperCase()).append(
		"</h2><p>Models</p><ul>");
	for (Car car : list) {
	    html.append("<li>").append(car.getModel()).append("</li>");
	}
	html.append("</ul>");
	html.append("<br>");
	html.append("<code>Last Updated: ");
	html.append(new Date());
	html.append("</code>");

	return html.toString();
    }

}