import java.util.List;
 
public interface ContactDAO {
 
	public List getAllContactNames();
 
	public List getContactDetails(String commonName);
 
}

import java.util.List;
 
import javax.naming.NamingException;
import javax.naming.directory.Attributes;
import javax.naming.directory.BasicAttribute;
import javax.naming.directory.BasicAttributes;
 
import org.springframework.ldap.AttributesMapper;
import org.springframework.ldap.LdapTemplate;
import org.springframework.ldap.support.DistinguishedName;
import org.springframework.ldap.support.filter.AndFilter;
import org.springframework.ldap.support.filter.EqualsFilter;
 
public class LDAPContactDAO implements ContactDAO{
	private LdapTemplate ldapTemplate;
 
	public void setLdapTemplate(LdapTemplate ldapTemplate) {
		this.ldapTemplate = ldapTemplate;
	}
 
	public List getAllContactNames() {
		return ldapTemplate.search("", "(objectClass=person)",
				new AttributesMapper() {
					public Object mapFromAttributes(Attributes attrs)
							throws NamingException {
						return attrs.get("mail").get();
					}
				});
	}
 
	public List getContactDetails(String objectclass){
		AndFilter andFilter = new AndFilter();
		andFilter.and(new EqualsFilter("objectClass",objectclass));
		System.out.println("LDAP Query " + andFilter.encode());
		return ldapTemplate.search("", andFilter.encode(),new ContactAttributeMapper());
 
	}
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd">
<beans>
    <bean id="contextSource"
        class="org.springframework.ldap.support.LdapContextSource">
        <property name="url" value="ldap://your.ldap.url:389" />
        <property name="base" value="base, be careful to put it right" />
        <property name="userName" value="your username" />
        <property name="password" value="password" />
    </bean>
    <bean id="ldapTemplate" class="org.springframework.ldap.LdapTemplate">
        <constructor-arg ref="contextSource" />
    </bean>
    <bean id="ldapContact"
        class="com.javaworld.sample.LDAPContactDAO">
        <property name="ldapTemplate" ref="ldapTemplate" />
    </bean>
</beans>

import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;
 
import org.springframework.ldap.AttributesMapper;
 
public class ContactAttributeMapper implements AttributesMapper{
 
	public Object mapFromAttributes(Attributes attributes) throws NamingException {
		ContactDTO contactDTO = new ContactDTO();
 
		Attribute mail = attributes.get("mail");
		Attribute sap = attributes.get("employeeNumber");
		if(mail != null)
			contactDTO.setMail((String)mail.get());
		if(sap != null)
			contactDTO.setSap((String)sap.get());
 
		return contactDTO;
	}
 
}

public class ContactDTO {
 
	String mail;
	String sap;
	public String getSap() {
		return sap;
	}
	public void setSap(String sap) {
		this.sap = sap;
	}
	public String getMail() {
		return mail;
	}
	public void setMail(String mail) {
		this.mail = mail;
	}
 
	public String toString() {
		StringBuffer contactDTOStr = new StringBuffer("Person=[");
 
		contactDTOStr.append(" mail = " + mail);
		contactDTOStr.append(" ]");
		return contactDTOStr.toString();
	}
}

import java.util.List;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
import org.springframework.dao.DataAccessException;
 
public class SpringFrameworkLDAPClient {
 
	public static void main(String[] args) {
		//Resource resource = new ClassPathResource("/SpringLDAPClient/src/com/javaworld/sample/springldap.xml");
		//System.out.println(resource.toString());
		try {
			Resource resource = new ClassPathResource("springldap.xml");
			BeanFactory factory = new XmlBeanFactory(resource);
			System.out.println(factory.toString() + "n");
 
			ContactDAO ldapContact = (LDAPContactDAO)factory.getBean("ldapContact");	
 
			List contactList = ldapContact.getContactDetails("30662");
			//List contactList =ldapContact.getAllContactNames();
			//System.out.println(contactList.size());
			int count = 0;
			for( int i = 0 ; i < contactList.size(); i++){
				System.out.print("Email: " + ((ContactDTO) contactList.get(i)).getMail() + "  ");
				System.out.println("SAP: " + ((ContactDTO) contactList.get(i)).getSap());
				count++;
			}
			System.out.println("n" + count);
 
		} catch (DataAccessException e) {
			System.out.println("Error occured " + e.getCause());
		}
	}
}

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Hello World </title>
</head>
<body>
 
<h1>
Hello World
</h1>
</body>
</html>

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" 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" id="WebApp_ID" version="2.5">
  <display-name>HelloSpring</display-name>
 
   <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.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
</web-app>

<?xml version="1.0" encoding="UTF-8"?>
 
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
 
  <!-- the application context definition for the springapp DispatcherServlet -->
 
  <bean name="/hello.htm" class="springapp.web.HelloController"/>
 
</beans>

package springapp.web;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
 
public class HelloController implements Controller {
 
	@Override
	public ModelAndView handleRequest(HttpServletRequest arg0, HttpServletResponse arg1) throws Exception {
		// TODO Auto-generated method stub
		return new ModelAndView("hello.jsp");
	}
 
}

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.programcreek.entrylevel</groupId>
  <artifactId>helloworld</artifactId>
  <version>0.0.1-SNAPSHOT</version>
 
	<dependencies>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>${spring.version}</version>
		</dependency>
	</dependencies>
 
	<properties>
		<spring.version>3.2.3.RELEASE</spring.version>
	</properties>
</project>

<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:task="http://www.springframework.org/schema/task"
	xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.2.xsd">
 
	<context:component-scan base-package="com.programcreek.examples" />
 
	<bean id="helloWorldService"
		class="com.programcreek.entrylevel.services.HelloWorldService">
		<property name="name" value="Program Creek Readers" />
	</bean>
</beans>

package com.programcreek.helloworld.services;
import org.springframework.stereotype.Service;
 
@Service("helloWorldService")
public class HelloWorldService {
 
	private String name;
 
	public void setName(String name) {
		this.name = name;
	}
 
	public String sayHello() {
		return "Hello! " + name;
	}
}

package com.programcreek.helloworld;
 
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.programcreek.helloworld.services.HelloWorldService; 
 
public class Hello {
 
	@SuppressWarnings("resource")
	public static void main(String[] args) {
 
		// loading the definitions from the given XML file
		ApplicationContext context = new ClassPathXmlApplicationContext(
				"applicationContext.xml");
 
		HelloWorldService service = (HelloWorldService) context
				.getBean("helloWorldService");
		String message = service.sayHello();
		System.out.println(message);
 
		//set a new name
		service.setName("Spring");
		message = service.sayHello();
		System.out.println(message);
	}
}

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.programcreek</groupId>
	<artifactId>HelloWorld</artifactId>
	<packaging>war</packaging>
	<version>0.0.1-SNAPSHOT</version>
	<name>HelloWorld Maven Webapp</name>
	<url>http://maven.apache.org</url>
 
	<properties>
		<spring.version>4.0.1.RELEASE</spring.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>3.8.1</version>
			<scope>test</scope>
		</dependency>
		<!-- Spring dependencies -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>${spring.version}</version>
		</dependency>
 
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-web</artifactId>
			<version>${spring.version}</version>
		</dependency>
 
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${spring.version}</version>
		</dependency>
 
	</dependencies>
 
 
	<build>
		<finalName>HelloWorld</finalName>
	</build>
</project>

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
 
 
	<display-name>Archetype Created Web Application</display-name>
 
	<servlet>
		<servlet-name>dispatcher</servlet-name>
		<servlet-class>
			org.springframework.web.servlet.DispatcherServlet
		</servlet-class>
		<load-on-startup>1</load-on-startup>
	</servlet>
 
	<servlet-mapping>
		<servlet-name>dispatcher</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
 
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>/WEB-INF/dispatcher-servlet.xml</param-value>
	</context-param>
 
	<listener>
		<listener-class>
			org.springframework.web.context.ContextLoaderListener
		</listener-class>
	</listener>
</web-app>

<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">
 
	<context:component-scan base-package="com.programcreek.helloworld.controller" />
 
	<bean
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix">
			<value>/WEB-INF/views/</value>
		</property>
		<property name="suffix">
			<value>.jsp</value>
		</property>
	</bean>
</beans>

package com.programcreek.helloworld.controller;
 
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
 
@Controller
public class HelloWorldController {
	String message = "Welcome to Spring MVC!";
 
	@RequestMapping("/hello")
	public ModelAndView showMessage(
			@RequestParam(value = "name", required = false, defaultValue = "World") String name) {
		System.out.println("in controller");
 
		ModelAndView mv = new ModelAndView("helloworld");
		mv.addObject("message", message);
		mv.addObject("name", name);
		return mv;
	}
}

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
 
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Spring 4 MVC - HelloWorld Index Page</title>
</head>
<body>
 
	<center>
		<h2>Hello World</h2>
		<h3>
			<a href="hello?name=Eric">Click Here</a>
		</h3>
	</center>
</body>
</html>

<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Spring 4 MVC -HelloWorld</title>
</head>
<body>
	<center>
		<h2>Hello World</h2>
		<h2>
			${message} ${name}
		</h2>
	</center>
</body>
</html>