<target name="junit" depends="build" description="Run JUnit Tests">
                    <junit printsummary="on"
                           fork="false"
                           haltonfailure="false"
                           failureproperty="tests.failed"
                           showoutput="true">
                        <classpath refid="master-classpath"/>
                        <formatter type="brief" usefile="false"/>
                        <batchtest>
                            <fileset dir="${build.dir}">
                                <include name="**/Test*.*"/>
                            </fileset>
                        </batchtest>
                    </junit>
                    <fail if="tests.failed">
        tests.failed=${tests.failed}
        ***********************************************************        ***********************************************************        ****  One or more tests failed!  Check the output ...  ****        ***********************************************************        ***********************************************************        </fail>    </target>

springapp/src/tests/TestSpringappController.java

package tests;

import java.util.Map;
import java.util.List;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;
import junit.framework.TestCase;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
import org.springframework.web.servlet.ModelAndView;
import web.SpringappController;
import bus.ProductManager;
import bus.Product;

public class TestSpringappController extends TestCase {

    private ApplicationContext ac;

    public void setUp() throws IOException {
        ac = new FileSystemXmlApplicationContext("src/tests/WEB-INF/springapp-servlet.xml");
    }

    public void testHandleRequest() throws ServletException, IOException {
        SpringappController sc = (SpringappController) ac.getBean("springappController");
        ModelAndView mav = sc.handleRequest((HttpServletRequest) null, (HttpServletResponse) null);
        Map m = mav.getModel();
        List pl = (List) ((Map) m.get("model")).get("products");
        Product p1 = (Product) pl.get(0);
        assertEquals("Lamp", p1.getDescription());
        Product p2 = (Product) pl.get(1);
        assertEquals("Table", p2.getDescription());
        Product p3 = (Product) pl.get(2);
        assertEquals("Chair", p3.getDescription());
    }

}

springapp/src/tests/WEB-INF/springapp-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

<!--
  - Application context definition for "springapp" DispatcherServlet.
  -->


<beans>
    <bean id="springappController" class="web.SpringappController"><property name="productManager">            <ref bean="prodMan"/>        </property>    </bean>    <bean id="prodMan" class="bus.ProductManager">        <property name="products">            <list>                <ref bean="product1"/>                <ref bean="product2"/>                <ref bean="product3"/>            </list>        </property>    </bean>    <bean id="product1" class="bus.Product">        <property name="description"><value>Lamp</value></property>        <property name="price"><value>5.75</value></property>    </bean>    <bean id="product2" class="bus.Product">        <property name="description"><value>Table</value></property>        <property name="price"><value>75.25</value></property>    </bean>    <bean id="product3" class="bus.Product">        <property name="description"><value>Chair</value></property>        <property name="price"><value>22.79</value></property>    </bean>
            </beans>        

springapp/src/tests/TestProductManager .java

package tests;

import java.util.List;
import java.util.ArrayList;
import junit.framework.TestCase;
import bus.ProductManager;
import bus.Product;

public class TestProductManager extends TestCase {

    private ProductManager pm;

    public void setUp() {
        pm = new ProductManager();
        Product p = new Product();
        p.setDescription("Chair");
        p.setPrice(new Double("20.50"));
        ArrayList al = new ArrayList();
        al.add(p);
        p = new Product();
        p.setDescription("Table");
        p.setPrice(new Double("150.10"));
        al.add(p);
        pm.setProducts(al);
    }

    public void testGetProducs() {
        List l = pm.getProducts();
        Product p1 = (Product) l.get(0);
        assertEquals("Chair", p1.getDescription());
        Product p2 = (Product) l.get(1);
        assertEquals("Table", p2.getDescription());
    }

    public void testIncreasePrice() {
        pm.increasePrice(10);
        List l = pm.getProducts();
        Product p = (Product) l.get(0);
        assertEquals(new Double("22.55"), p.getPrice());
        p = (Product) l.get(1);
        assertEquals(new Double("165.11"), p.getPrice());
    }

}

springapp/src/bus/ProductManager.java

package bus;

import java.io.Serializable;
import java.util.ListIterator;
            import java.util.List;
            public class ProductManager implements Serializable {
            private List products;
            public void setProducts(List p) {
            products = p;
            }
            public List getProducts() {
            return products;
            }
                public void increasePrice(int pct) {        ListIterator li = products.listIterator();        while (li.hasNext()) {            Product p = (Product) li.next();            double newPrice = p.getPrice().doubleValue() * (100 + pct)/100;            p.setPrice(new Double(newPrice));        }    }
            }

springapp/war/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC '-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN' 'http://java.sun.com/dtd/web-app_2_3.dtd'>

<web-app>

  <servlet>    <servlet-name>springapp</servlet-name>    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>    <load-on-startup>1</load-on-startup>  </servlet>  <servlet-mapping>    <servlet-name>springapp</servlet-name>    <url-pattern>*.htm</url-pattern>  </servlet-mapping>  <welcome-file-list>    <welcome-file>      index.jsp    </welcome-file>  </welcome-file-list>  <taglib>    <taglib-uri>/spring</taglib-uri>    <taglib-location>/WEB-INF/spring.tld</taglib-location>  </taglib>
            </web-app>

springapp/war/WEB-INF/jsp/priceincrease.jsp

<%@ include file="/WEB-INF/jsp/include.jsp" %>
<%@ taglib prefix="spring" uri="/spring" %>

<html>
<head><title><fmt:message key="title"/></title></head>
<body>
<h1><fmt:message key="priceincrease.heading"/></h1>
<form method="post">
  <table width="95%" bgcolor="f8f8ff" border="0" cellspacing="0" cellpadding="5">
    <tr>
      <td alignment="right" width="20%">Increase (%):</td>
      <spring:bind path="priceIncrease.percentage">
        <td width="20%">
          <input type="text" name="percentage" value="<c:out value="${status.value}"/>">
        </td>
        <td width="60%">
          <font color="red"><c:out value="${status.errorMessage}"/></font>
        </td>
      </spring:bind>
    </tr>
  </table>
  <br>
  <spring:hasBindErrors name="priceIncrease">
    <b>Please fix all errors!</b>
  </spring:hasBindErrors>
  <br><br>
  <input type="submit" alignment="center" value="Execute">
</form>
<a href="<c:url value="hello.htm"/>">Home</a>
</body>
</html>

springapp/src/bus/PriceIncrease.java

package bus;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class PriceIncrease {

    /** Logger for this class and subclasses */
    protected final Log logger = LogFactory.getLog(getClass());

    private int percentage;

    public void setPercentage(int i) {
        percentage = i;
        logger.info("Percentage set to " + i);
    }

    public int getPercentage() {
        return percentage;
    }

}

springapp/src/bus/PriceIncreaseValidator.java

package bus;

import java.io.Serializable;
import org.springframework.validation.Validator;
import org.springframework.validation.Errors;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class PriceIncreaseValidator implements Validator {
    private int DEFAULT_MIN_PERCENTAGE = 0;
    private int DEFAULT_MAX_PERCENTAGE = 50;
    private int minPercentage = DEFAULT_MIN_PERCENTAGE;
    private int maxPercentage = DEFAULT_MAX_PERCENTAGE;

    /** Logger for this class and subclasses */
    protected final Log logger = LogFactory.getLog(getClass());

    public boolean supports(Class clazz) {
        return clazz.equals(PriceIncrease.class);
    }

    public void validate(Object obj, Errors errors) {
        PriceIncrease pi = (PriceIncrease) obj;
        if (pi == null) {
            errors.rejectValue("percentage", "error.not-specified", null, "Value required.");
        }
        else {
            logger.info("Validating with " + pi + ": " + pi.getPercentage());
            if (pi.getPercentage() > maxPercentage) {
                errors.rejectValue("percentage", "error.too-high",
                    new Object[] {new Integer(maxPercentage)}, "Value too high.");
            }
            if (pi.getPercentage() <= minPercentage) {
                errors.rejectValue("percentage", "error.too-low",
                    new Object[] {new Integer(minPercentage)}, "Value too low.");
            }
        }
    }

    public void setMinPercentage(int i) {
        minPercentage = i;
    }

    public int getMinPercentage() {
        return minPercentage;
    }

    public void setMaxPercentage(int i) {
        maxPercentage = i;
    }

    public int getMaxPercentage() {
        return maxPercentage;
    }

}

springapp/war/WEB-INF/springapp-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
 "http://www.springframework.org/dtd/spring-beans.dtd">

<!--
  - Application context definition for "springapp" DispatcherServlet.
  -->

<beans>

    <!--  Controller for the initial "Hello" page -->
            <bean id="springappController" class="web.SpringappController">
            <property name="productManager">
            <ref bean="prodMan"/>
            </property>
            </bean>
                <!--  Validator and Form Controller for the "Price Increase" page -->    <bean id="priceIncreaseValidator" class="bus.PriceIncreaseValidator"/>    <bean id="priceIncreaseForm" class="web.PriceIncreaseFormController">        <property name="sessionForm"><value>true</value></property>        <property name="commandName"><value>priceIncrease</value></property>        <property name="commandClass"><value>bus.PriceIncrease</value></property>        <property name="validator"><ref bean="priceIncreaseValidator"/></property>        <property name="formView"><value>priceincrease</value></property>        <property name="successView"><value>hello.htm</value></property>        <property name="productManager">            <ref bean="prodMan"/>        </property>    </bean>
            <bean id="prodMan" class="bus.ProductManager">
            <property name="products">
            <list>
            <ref bean="product1"/>
            <ref bean="product2"/>
            <ref bean="product3"/>
            </list>
            </property>
            </bean>
            <bean id="product1" class="bus.Product">
            <property name="description"><value>Lamp</value></property>
            <property name="price"><value>5.75</value></property>
            </bean>
            <bean id="product2" class="bus.Product">
            <property name="description"><value>Table</value></property>
            <property name="price"><value>75.25</value></property>
            </bean>
            <bean id="product3" class="bus.Product">
            <property name="description"><value>Chair</value></property>
            <property name="price"><value>22.79</value></property>
            </bean>
            <bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
            <property name="basename"><value>messages</value></property>
            </bean>
            <bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
            <property name="mappings">
            <props>
            <prop key="/hello.htm">springappController</prop>
                            <prop key="/priceincrease.htm">priceIncreaseForm</prop>
            </props>
            </property>
            </bean>
            <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <property name="viewClass">
            <value>org.springframework.web.servlet.view.JstlView</value>
            </property>
            <property name="prefix"><value>/WEB-INF/jsp/</value></property>
            <property name="suffix"><value>.jsp</value></property>
            </bean>
            </beans>

springapp/src/web/PriceIncreaseFormController.java

package web;

import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.RedirectView;

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

import java.io.IOException;
import java.util.Map;
import java.util.HashMap;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import bus.Product;
import bus.ProductManager;
import bus.PriceIncrease;

public class PriceIncreaseFormController extends SimpleFormController {

    /** Logger for this class and subclasses */
    protected final Log logger = LogFactory.getLog(getClass());

    private ProductManager prodMan;

    public ModelAndView onSubmit(Object command)
            throws ServletException {

        int increase = ((PriceIncrease) command).getPercentage();
        logger.info("Increasing prices by " + increase + "%.");

        prodMan.increasePrice(increase);

        String now = (new java.util.Date()).toString();
        logger.info("returning from PriceIncreaseForm view to " + getSuccessView();

        return new ModelAndView(new RedirectView(getSuccessView()));
    }

    protected Object formBackingObject(HttpServletRequest request) throws ServletException {

        PriceIncrease priceIncrease = new PriceIncrease();
        priceIncrease.setPercentage(20);

        return priceIncrease;

    }

    public void setProductManager(ProductManager pm) {
        prodMan = pm;
    }

    public ProductManager getProductManager() {
        return prodMan;
    }

}

springapp/war/WEB-INF/classes/messages.properties

title=SpringApp
heading=Hello :: SpringApp
greeting=Greetings, it is now
priceincrease.heading=Price Increase :: SpringApperror.not-specified=Percentage not specified!!!error.too-low=You have to specify a percentage higher than {0}!error.too-high=Don't be greedy - you can't raise prices by more than {0}%!required=Entry required.typeMismatch=Invalid data.typeMismatch.percentage=That is not a number!!! 

springapp/war/WEB-INF/jsp/hello.jsp

<%@ include file="/WEB-INF/jsp/include.jsp" %>

<html>
<head><title><fmt:message key="title"/></title></head>
<body>
<h1><fmt:message key="heading"/></h1>
<p><fmt:message key="greeting"/> <c:out value="${model.now}"/>
</p>
<h3>Products</h3>
<c:forEach items="${model.products}" var="prod">
  <c:out value="${prod.description}"/> <i>$<c:out value="${prod.price}"/></i><br><br>
</c:forEach>
<br><a href="<c:url value="priceincrease.htm"/>">Increase Prices</a><br>
            </body>
            </html>