So gehts bei mir

Book.java

package de.promichel.beans;

/**
 * Created by Patrick Trautmann
 * <p/>
 * Contact: patrick.trautmann@gmail.com
 * Date: 30.01.12
 * Time: 20:09
 */
public class Book {
    
    private String author;
    private String title;

    public Book() {
    }

    public Book(String author, String title) {
        this.author = author;
        this.title = title;
    }

    public String getAuthor() {
        return author;
    }

    public void setAuthor(String author) {
        this.author = author;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }
}

books.jsp

<%@taglib prefix="c" uri="http://java.sun.com/jstl/core_rt" %>
<%--
  Created by IntelliJ IDEA.
  User: Promichel
  Date: 30.01.12
  Time: 20:10
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<form method="POST" id="form" action="/books">
    <fieldset>
        <legend>Search Books from author '${sessionScope.author}'</legend>
        <div class="clearfix">
            <label for="author">Author</label>
            <div class="input">
                <input type="text" id="author" name="author" class="xlarge" value="${sessionScope.author}" />
            </div>
        </div>


        <div class="actions">
            <input type="submit" class="btn primary" value="Search" name="submit" />
        </div>
    </fieldset>
</form>

<div class="clearfix">
    <div class="page-header">
        <h3>Found books</h3>
    </div>
    <table class="bordered-table zebra-striped">
        <thead>	<tr>	<th></th>
            <th>ID</th>
            <th>Author</th>
            <th>Title</th>
        </tr>
        </thead>
        <c:forEach var="a" items="${sessionScope.books}" >
            <tr>
                <td>${a.author} </td>
                <td>${a.title} </td>
            </tr>
        </c:forEach>
    </table>
</div>

<div class="alert-message">
    Type in Book id or author's name. SESSION (${pageContext.session.id})  <br />
    ${sessionScope.err_msg}
    ${sessionScope.books}
</div>

Servlet.java

package de.promichel.servlet;

import de.promichel.beans.Book;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by Patrick Trautmann
 * <p/>
 * Contact: patrick.trautmann@gmail.com
 * Date: 30.01.12
 * Time: 20:08
 */
public class SearchBookServlet extends HttpServlet {

    private List<Book> books;
    private String author;

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        HttpSession session = request.getSession(true);

        author = request.getParameter("author");
        session.setAttribute("author", author);

        //Dummy List impl
        books = new ArrayList<Book>(5);

        for(int i = 0; i <= 5; i++) {

            System.out.println("Create Dummy Book Object");
            books.add(new Book(author, author + " " + i));

        }

        System.out.println("Push ArrayList to Session Scope");
        session.setAttribute("books", books);

    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    }


}

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app
        xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd
http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
        id="WebApp_ID" version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <display-name>Archetype Created Web Application</display-name>
    <servlet>
        <servlet-name>SearchBookServlet</servlet-name>
        <servlet-class>de.promichel.servlet.SearchBookServlet</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>SearchBookServlet</servlet-name>
        <url-pattern>/books</url-pattern>
    </servlet-mapping>
</web-app>