Spring+Hibernate+Jersey整合
导入需要的jar包
项目结构
Spring配置
classpath:database.propertiescom.test.bean${hibernate.dialect}${hibernate.show_sql}${hibernate.format_sql}
数据库连接配置
jdbc.driverClassName=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8 jdbc.username=root jdbc.password=root jdbc.initialPoolSize=30 jdbc.minPoolSize=20 jdbc.maxPoolSize=100 jdbc.maxIdleTime=600 jdbc.maxStatements=200 jdbc.acquireIncrement=10 hibernate.dialect=org.hibernate.dialect.MySQLDialect hibernate.show_sql=false hibernate.format_sql=true
log4j配置
#log4j.rootLogger=DEBUG,A1,R log4j.rootLogger=INFO,A1,R log4j.logger.com.augmentum=DEBUG log4j.appender.A1=org.apache.log4j.ConsoleAppender log4j.appender.A1.layout=org.apache.log4j.PatternLayout log4j.appender.A1.layout.ConversionPattern=[%d %6p at %C.%M(%F:%L)] %m%n log4j.appender.R=org.apache.log4j.RollingFileAppender log4j.appender.R.File=C://logs//a.log log4j.appender.R.Append=true log4j.appender.R.DatePattern=.yyyy-MM-dd.log log4j.appender.R.layout=org.apache.log4j.PatternLayout log4j.appender.R.layout.ConversionPattern=[%d %6p at %C.%M(%F:%L)] %m%n
web.xml配置
testindex.htmlcontextConfigLocationclasspath:applicationContext.xmlorg.springframework.web.context.ContextLoaderListenerJerseyServletcom.sun.jersey.spi.spring.container.servlet.SpringServletcom.sun.jersey.config.property.packagescom.test.resourceJerseyServlet/resource/*
Javabean
package com.test.bean;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name = "user")
public class User {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "id")
private Integer id;
@Column(name = "username")
private String username;
@Column(name = "password")
private String password;
@Override
public String toString() {
return "User [id=" + id + ", username=" + username + ", password=" + password + "]";
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
Dao层
basedao
package com.test.dao;
import java.io.Serializable;
import java.util.List;
/**
* The base interface for all the dao layer interface,it provide common method
*
* @author Irwin.Ai
*
* @param* The entity class type
* @param* The primary key of the entity class
*/
public interface BaseDao{
public T add(T t);
public void delete(T t);
public T load(PK id);
public T get(PK id);
public ListloadAll();
public T update(T t);
}
userdao
package com.test.dao;
import com.test.bean.User;
public interface UserDao extends BaseDao{
}
Dao层实现
basedao实现
package com.test.dao.impl;
import java.io.Serializable;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.List;
import javax.annotation.Resource;
import org.hibernate.Session;
import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.stereotype.Repository;
import com.test.dao.BaseDao;
/**
* The base interface implement for all the dao layer interface implements,it
* provide common method
*
* @author Irwin.Ai
*
* @param* The entity class type
* @param* The primary key of the entity class
*/
@Repository
public class BaseDaoImplimplements BaseDao{
private ClassentityClass;
private HibernateTemplate hibernateTemplate;
public HibernateTemplate getHibernateTemplate() {
return hibernateTemplate;
}
@Resource
public void setHibernateTemplate(HibernateTemplate hibernateTemplate) {
this.hibernateTemplate = hibernateTemplate;
}
/**
* Method to judge the type of class
*/
@SuppressWarnings("unchecked")
public BaseDaoImpl() {
Type type = getClass().getGenericSuperclass();
if (type instanceof ParameterizedType) {
Type[] types = ((ParameterizedType) type).getActualTypeArguments();
this.entityClass = (Class) types[0];
}
}
@Override
public T add(T t) {
hibernateTemplate.save(t);
return t;
}
@Override
public void delete(T t) {
hibernateTemplate.delete(t);
}
@Override
public T load(PK id) {
return hibernateTemplate.load(entityClass, id);
}
@Override
public ListloadAll() {
return hibernateTemplate.loadAll(entityClass);
}
@Override
public T update(T t) {
hibernateTemplate.update(t);
return t;
}
@Override
public T get(PK id) {
return hibernateTemplate.get(entityClass, id);
}
/**
* If there is a session alive, we will use it instead of open an new
* Session.
*
* @return
*/
public Session getCurrentSession() {
Session session = hibernateTemplate.getSessionFactory()
.getCurrentSession();
if (session == null) {
session = hibernateTemplate.getSessionFactory().openSession();
}
return session;
}
}
userdao实现
package com.test.dao.impl;
import org.springframework.stereotype.Repository;
import com.test.bean.User;
import com.test.dao.UserDao;
@Repository
public class UserDaoImpl extends BaseDaoImplimplements UserDao{
}
service层
baseservice
package com.test.service;
import java.io.Serializable;
import java.util.List;
/**
* * The base interface for all the service layer interface,it provide common
* method
*
* @author Irwin.Ai
*
* @param* The entity class type
* @param* The primary key of the entity class
*/
public interface BaseService{
public T add(T t);
public void delete(T t);
public T load(PK id);
public T get(PK id);
public ListloadAll();
public T update(T t);
}
userservice
package com.test.service;
import com.test.bean.User;
public interface UserService extends BaseService{
}
service层实现
baseservice实现
package com.test.service.impl;
import java.io.Serializable;
import java.util.List;
import com.test.dao.BaseDao;
import com.test.service.BaseService;
/**
* * The base interface implement for all the service layer interface
* implements,it provide common method
*
* @author Irwin.Ai
*
* @param* The entity class type
* @param* The primary key of the entity class
*/
public class BaseServiceImplimplements
BaseService{
private BaseDaobaseDao;
public BaseDaogetBaseDao() {
return baseDao;
}
public void setBaseDao(BaseDaobaseDao) {
this.baseDao = baseDao;
}
@Override
public T add(T t) {
return baseDao.add(t);
}
@Override
public void delete(T t) {
baseDao.delete(t);
}
@Override
public T load(PK id) {
return baseDao.load(id);
}
@Override
public ListloadAll() {
return baseDao.loadAll();
}
@Override
public T update(T t) {
return baseDao.update(t);
}
@Override
public T get(PK id) {
return baseDao.get(id);
}
}
userservice实现
package com.test.service.impl;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import com.test.bean.User;
import com.test.dao.UserDao;
import com.test.service.UserService;
@Service
public class UserServiceImpl extends BaseServiceImplimplements UserService {
@Resource
public void setBaseDao(UserDao userDao) {
super.setBaseDao(userDao);
}
}
jersey resource类示例
package com.test.resource;
import java.util.List;
import javax.annotation.Resource;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Controller;
import com.google.gson.Gson;
import com.sun.jersey.spi.resource.Singleton;
import com.test.bean.User;
import com.test.service.UserService;
@Path("/users")
@Singleton
@Controller
public class UserResource {
private static Logger logger = Logger.getLogger(UserResource.class);
@Resource
private UserService userService;
@GET
@Produces(MediaType.TEXT_PLAIN)
public String getAllUser() {
Listlist = null;
String str = null;
try {
list = userService.loadAll();
str = new Gson().toJson(list);
} catch (Exception e) {
logger.error("load all exception : ", e);
}
return str;
}
}
页面访问测试
我们现在访问页面http://localhost:8080/SSJTest/resource/users
取到返回的json数据。
