Spring

Spring 3 Annotation Controller Tutorial

Filed under 
web.xml
 
<?xml version="1.0" encoding="UTF-8"?>
<?xml version="1.0" encoding="UTF-8"?>
<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:tx="http://www.springframework.org/schema/tx"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:sec="http://www.springframework.org/schema/security"
       xmlns:jms="http://www.springframework.org/schema/jms"
       xmlns:amq="http://activemq.apache.org/schema/core"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
       http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
       http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
       http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
       http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.0.xsd
       http://www.springframework.org/schema/jms http://www.springframework.org/schema/jms/spring-jms-3.0.xsd
       http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core-5.5.0.xsd">
 
    <context:component-scan base-package="gov.bd.nea" />
 
    <mvc:annotation-driven />
    <context:annotation-config />
 
    <bean id="viewResolver"
          class="org.springframework.web.servlet.view.InternalResourceViewResolver"
          p:prefix="/WEB-INF/jsp/"
          p:suffix=".jsp" />
 
    <bean id="multipartResolver"
    class="org.springframework.web.multipart.commons.CommonsMultipartResolver" />
/**
*
* @author Asif
*/
@Controller
@RequestMapping("/test")
public class TestController {
 
@Autowired
private TestService testService;
 
@ModelAttribute("test")
public Test getCommand() {
Test test = new Test();
//test.setName("asif");
return test;
}
 
 
@RequestMapping(value = "/add", method = RequestMethod.GET)
public ModelAndView addTest(@ModelAttribute("test") Test test, BindingResult result) {
return new ModelAndView("testAdd");
}
 
 
@RequestMapping(value = "/save", method = RequestMethod.POST)
public String saveTest(@ModelAttribute("test") Test test, BindingResult result) {
//handle error
 
if (result.hasErrors()) {
return "testAdd";
}
 
testService.saveTest(test);
 
return "redirect:/test";
}
 
@ModelAttribute("hobbyList")
public List<String> getHobbyList() {
List<String> hobby = new ArrayList<String>();
hobby.add("Programming");
hobby.add("Photography");
hobby.add("Traveling");
return hobby;
}
 
@ModelAttribute("countryList")
public Map<String, String> populateCountryList() {
 
//Data referencing for java skills list box
Map<String, String> country = new LinkedHashMap<String, String>();
country.put("US", "United Stated");
country.put("CHINA", "China");
country.put("SG", "Singapore");
country.put("MY", "Malaysia");
 
return country;
 
}
 
 
@InitBinder
public void initBinder(WebDataBinder binder) {
binder.registerCustomEditor(byte[].class, new ByteArrayMultipartFileEditor());
}
}
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form" %>
 
 
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
 
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        <title>Add Test</title>
 
    </head>
 
    <body>
        <h1>Add Test</h1>
        <h1><fmt:message key="button.search"/></h1>
        <h1><spring:message code="button.search"/></h1>
        <c:url var="viewTestUrl" value="/test" />
        <a href="${viewTestUrl}">View Tests</a>
 
        <br /><br />
 
        <form:form modelAttribute="test" method="POST" action="/test/save" enctype="multipart/form-data">
 
            <form:errors path="*" cssClass="errorblock" element="div"/>
 
 
            <form:label path="name">Title:</form:label>
            <form:input path="name"/>
            <form:errors path="name" /><br />
 
            <form:label path="country">Country:</form:label>
            <form:select path="country" items="${countryList}" /><br />
 
            <form:label path="sex">Gender:</form:label>
            <form:radiobuttons path="sex" items="${genderList}" /><br />
 
            <form:label for="file" path="file">File</form:label><br/>
            <form:input path="file" type="file"/><br/>
 
            <input type="submit" value="Save" />
        </form:form>
 
    </body>
</html>
Comments (0)

Spring + Hibernate Tutorial

Filed under 
dispatcher-servlet.xml
 
    <tx:annotation-driven transaction-manager="transactionManager"/>
 
    <context:property-placeholder location="/WEB-INF/jdbc.properties" />
 
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="${database.driver}" />
        <property name="url" value="${database.url}" />
        <property name="username" value="${database.user}" />
        <property name="password" value="${database.password}" />
    </bean>
 
    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="annotatedClasses">
            <list>
                <value>gov.bd.nea.db.Test</value>
            </list>
        </property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">${hibernate.dialect}</prop>
                <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
                <prop key="hibernate.connection.pool_size">${hibernate.connection.pool_size}</prop>
                <prop key="hibernate.show_sql">true</prop>
                <prop key="hibernate.hbm2ddl.auto">create</prop>                
            </props>
        </property>
    </bean>
 
    <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory" />
    </bean>
jdbc.properties
 
database.driver=org.apache.derby.jdbc.ClientDriver
database.url=jdbc:derby://localhost:1527/sample
database.user=app
database.password=app
hibernate.dialect=org.hibernate.dialect.DerbyDialect
hibernate.show_sql=true
hibernate.connection.pool_size=5
Test.java
 
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.Table;
 
 
import javax.validation.constraints.NotNull;
 
import org.hibernate.annotations.Proxy;
import org.hibernate.validator.constraints.NotEmpty;
 
/**
 *
 * @author Asif
 */
@Entity
@Table(name = "test")
@Proxy(lazy = false)
public class Test implements Serializable {
 
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private int id;
    private String name;
    private String sex;
    private String country;
    private String hobby;
 
    @Lob
    @Column(length = 100000)
    private byte[] file;
 
//getter and setter methods
}
TestDaoImpl.java
 
import java.util.List;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
 
/**
 *
 * @author Asif
 */
@Repository("testDao")
public class TestDaoImpl implements TestDao {
 
    @Autowired
    private SessionFactory sessionFactory;
 
    @Override
    public List<Test> getTestList() {
        return (List<Test>) sessionFactory.getCurrentSession().createCriteria(Test.class).list();
 
    }
 
    @Override
    public void save(Test test) {
        sessionFactory.getCurrentSession().saveOrUpdate(test);
    }
 
    @Override
    public Test getTestById(Integer id) {
        return (Test) sessionFactory.getCurrentSession().load(Test.class, id);
    }
}
TestService.java
 
 
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
 
/**
 *
 * @author Asif
 */
@Service("testService")
@Transactional
public class TestServiceImpl implements TestService {
 
    @Autowired
    private TestDao testDao;
 
    @Override
    public List<Test> getTestList() {
        return testDao.getTestList();
    }
 
    @Override
    public void saveTest(Test test) {
        testDao.save(test);
    }
 
    @Override
    public Test getTestById(Integer id){
        return testDao.getTestById(id);
    }
 
}
TestController.java
 
@Controller
@RequestMapping("/test")
public class TestController {
 
    private static final Logger logger = Logger.getLogger(TestController.class);
 
    @Autowired
    private TestService testService;
 
....
 
.... = testService.getTestById(id);
Comments (0)

Spring + Sitemesh

Filed under 
web.xml
 
<!--Sitemesh-->
<filter>
<filter-name>sitemesh</filter-name>
<filter-class>com.opensymphony.module.sitemesh.filter.PageFilter
</filter-class>
</filter>
 
<filter-mapping>
<filter-name>sitemesh</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
decorators.xml
 
<?xml version="1.0" encoding="UTF-8"?>
 
<decorators defaultdir="/WEB-INF/jsp/layouts">
<decorator name="main" page="main.jsp">
<pattern>/*</pattern>
</decorator>
 
</decorators>
main.jsp
 
 
<%@ page pageEncoding="UTF-8" contentType="text/html; charset=UTF-8" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd">
 
<%@ taglib uri="http://www.opensymphony.com/sitemesh/decorator" prefix="decorator"%>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
 
<title><decorator:title default="MySite" /></title>
 
</head>
<body>
<h1>Template</h1>
 
<decorator:body />
 
</body>
</html>
Comments (0)

Spring Locale Change

Filed under 
 dispatcher-servlet.xml
 
    <!--Message/Locale-->
 
    <mvc:interceptors>  
        <bean id="localeChangeInterceptor"
    class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor">
            <property name="paramName" value="lang" />
        </bean>
    </mvc:interceptors>
    <bean id="localeResolver"
    class="org.springframework.web.servlet.i18n.SessionLocaleResolver">
        <property name="defaultLocale" value="es"/>
    </bean>
    <bean id="messageSource"
    class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
        <property name="basename" value="/WEB-INF/messages" />
        <property name="defaultEncoding" value="UTF-8"/>
    </bean>
 messages_en_US.properties
 
button.cancel=Cancel
button.create=Create
button.edit=Edit
button.delete=Delete
button.reset=Reset
button.save=Save
button.search=Search
 messages_es.properties
 
button.cancel=Cancelar
button.create=Crear
button.edit=Corregir
button.delete=Borrar
button.reset=Restaurar
button.save=Guardar
button.search=Buscar

To change locale: any url?lang=en

Comments (0)

Spring Security Configuration

Filed under

web.xml
<!–Spring security–>
<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>

<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

applicationContext.xml

<beans xmlns=”http://www.springframework.org/schema/beans”
xmlns:sec=”http://www.springframework.org/schema/security”
xsi:schemaLocation=”http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.0.xsd”>

<!–Spring Security–>

<sec:global-method-security secured-annotations=”enabled” />

<sec:http auto-config=”true” access-denied-page=”/accessDenied.jsp” >

<sec:intercept-url pattern=”/login.jsp*” filters=”none”/>
<sec:intercept-url pattern=”/admin/editUser.do” access=”ROLE_ADMIN”  />
<sec:intercept-url pattern=”/admin/searchUsers.do” access=”ROLE_ADMIN”  />
<sec:intercept-url pattern=”/**” access=”ROLE_USER”  />
<sec:form-login authentication-failure-url=”/login.jsp?login_error=1″ default-target-url=”/home.do”/>
<sec:logout logout-success-url=”/home.do”/>

</sec:http>

<sec:authentication-manager>
<sec:authentication-provider>
<sec:password-encoder hash=”md5″/>
<sec:user-service>
<sec:user name=”rod” password=”a564de63c2d0da68cf47586ee05984d7″ authorities=”ROLE_SUPERVISOR, ROLE_USER, ROLE_TELLER” />
<sec:user name=”dianne” password=”65d15fe9156f9c4bbffd98085992a44e” authorities=”ROLE_USER,ROLE_TELLER” />
<sec:user name=”scott” password=”2b58af6dddbd072ed27ffc86725d7d3a” authorities=”ROLE_USER” />
<sec:user name=”peter” password=”22b5c9accc6e1ba628cedc63a72d57f8″ authorities=”ROLE_USER” />
</sec:user-service>
</sec:authentication-provider>
</sec:authentication-manager>

<!–
Usernames/Passwords are
rod/koala
dianne/emu
scott/wombat
peter/opal
–>

login.jsp

<%@ taglib prefix=’c’ uri=’http://java.sun.com/jstl/core_rt’ %>
<%@ page import=”org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter” %>
<%@ page import=”org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter” %>
<%@ page import=”org.springframework.security.core.AuthenticationException” %>

<html>
<head>
<title>Spring Security Login — </title>
</head>

<body>
<h1>Login</h1>

<c:if test=”${not empty param.login_error}”>
<font color=”red”>
Your login attempt was not successful, try again.<br/><br/>
Reason: <c:out value=”${SPRING_SECURITY_LAST_EXCEPTION.message}”/>.
</font>
</c:if>

<form name=”f” action=”<c:url value=’j_spring_security_check’/>” method=”POST”>
<table>
<tr><td>User:</td><td><input type=’text’ name=’j_username’ value=’<c:if test=”${not empty param.login_error}”><c:out value=”${SPRING_SECURITY_LAST_USERNAME}”/></c:if>’/></td></tr>
<tr><td>Password:</td><td><input type=’password’ name=’j_password’></td></tr>
<tr><td><input type=”checkbox” name=”_spring_security_remember_me”></td><td>Don’t ask for my password for two weeks</td></tr>

<tr><td colspan=’2′><input name=”submit” type=”submit”></td></tr>

</table>
</form>
</body>

<a href=”<c:url value=”/j_spring_security_logout”/>”>Logout</a>

</html>

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