Spring Boot REST with XML ( Use Spring-Data-Rest to return response as XML )

Well with latest Spring IO Platform we can achieve this and with IO Platform we dont need to worry about version also.

CODE:

Pom.xml

<project xmlns=”http://maven.apache.org/POM/4.0.0&#8243; xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance&#8221;
xsi:schemaLocation=”http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd”&gt;
<modelVersion>4.0.0</modelVersion>
<groupId>com.subu</groupId>
<artifactId>SpringBootExamples</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<parent>
<groupId>io.spring.platform</groupId>
<artifactId>platform-bom</artifactId>
<version>2.0.1.RELEASE</version>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.7</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
</dependency>
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
</dependency>
<dependency>
<groupId>com.zaxxer</groupId>
<artifactId>HikariCP</artifactId>
<version>2.4.5</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-xml</artifactId>
</dependency>
<dependency>
<groupId>org.codehaus.woodstox</groupId>
<artifactId>woodstox-core-asl</artifactId>
<version>4.4.1</version>
</dependency>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>eclipselink</artifactId>
<version>2.6.2</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

Person.java

package com.subu;

import java.io.Serializable;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.xml.bind.annotation.*;

@Entity
@XmlRootElement(name = “person”)
@Table(name=”person”)

public class Person implements Serializable{
private static final long serialVersionUID = 1L;

@Id
@GeneratedValue
private Long id;

@XmlAttribute(name = “first-name”)
private String first_name;

public Long getId() {
return id;
}

public void setId(Long id) {
this.id = id;
}

public String getFirst_name() {
return first_name;
}

public void setFirst_name(String first_name) {
this.first_name = first_name;
}

public String getLast_name() {
return last_name;
}

public void setLast_name(String last_name) {
this.last_name = last_name;
}

public String getDate_of_birth() {
return date_of_birth;
}

public void setDate_of_birth(String date_of_birth) {
this.date_of_birth = date_of_birth;
}

@XmlAttribute(name = “last-name”)
private String last_name;

@XmlAttribute(name = “dob”)
private String date_of_birth;

}

 

Application.java

package com.subu;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.web.SpringBootServletInitializer;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableScheduling;

@SpringBootApplication
@Configuration
@ComponentScan
@EnableAutoConfiguration
@EnableScheduling
public class Application extends SpringBootServletInitializer{

public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}

@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(Application.class);
}
private static Class<Application> applicationClass = Application.class;

}

 

PersonController.java

package com.subu;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class PersonController {

@Autowired
private PersonRepository personRepository;

@RequestMapping(value = “/persons/{id}”, method = RequestMethod.GET,produces={MediaType.APPLICATION_XML_VALUE},headers = “Accept=application/xml”)
public ResponseEntity<?> getPersonDetails(@PathVariable Long id, final HttpServletRequest request)throws Exception {
Person personResponse=personRepository.findPersonById(id);
return ResponseEntity.ok(personResponse);
}}

 

PersonRepository.java

package com.subu;

import java.util.List;

import org.springframework.data.jpa.repository.JpaRepository;

public interface PersonRepository extends JpaRepository<Person, Long> {

Person findPersonById(Long id);

}

JpaConfiguration.java

package com.subu;

import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;
import org.eclipse.persistence.config.BatchWriting;
import org.eclipse.persistence.config.PersistenceUnitProperties;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration;
import org.springframework.boot.orm.jpa.EntityManagerFactoryBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.AbstractJpaVendorAdapter;
import org.springframework.orm.jpa.vendor.EclipseLinkJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import com.zaxxer.hikari.HikariConfig;
import com.zaxxer.hikari.HikariDataSource;

@Configuration
@EnableTransactionManagement
@EnableAutoConfiguration
@EnableJpaRepositories(basePackages = “com.subu”)
public class JpaConfiguration extends JpaBaseConfiguration {

@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory(final EntityManagerFactoryBuilder builder) {
final LocalContainerEntityManagerFactoryBean ret =
builder.dataSource(dataSource())
.packages(“com.subu”)
.properties(jpaProperties())
.persistenceUnit(“com.subu”)
.build();
return ret;
}

@Bean
public DataSource dataSource() {
// In classpath from spring-boot-starter-web
final Properties props = new Properties();
props.put(“driverClassName”, “com.mysql.jdbc.Driver”);
props.put(“jdbcUrl”, “jdbc:mysql://localhost:3306/master?createDatabaseIfNotExist=false”);
props.put(“username”, “root”);
props.put(“password”, “mysql”);
HikariConfig hc = new HikariConfig(props);
HikariDataSource ds = new HikariDataSource(hc);
return ds;
}

@Bean
public Map<String, String> jpaProperties() {
Map<String, String> props = new HashMap<>();
props.put(“eclipselink.weaving”, “false”);
props.put(“eclipselink.logging.level.sql”, “FINE”);
props.put(“eclipselink.logging.parameters”, “true”);
props.put(“javax.persistence.schema-generation.database.action”, “create”);
//props.put(“javax.persistence.sql-load-script-source”, “sql/import.sql”);
return props;
}
@Bean
public PlatformTransactionManager transactionManager(EntityManagerFactory emf) {
final MultiTenantJpaTransactionManager transactionManager = new MultiTenantJpaTransactionManager();
transactionManager.setEntityManagerFactory(emf);
return transactionManager;
}

@Override
protected AbstractJpaVendorAdapter createJpaVendorAdapter() {
return new EclipseLinkJpaVendorAdapter();
}

@Override
protected Map<String, Object> getVendorProperties() {
final Map<String, Object> ret = new HashMap<>();
ret.put(PersistenceUnitProperties.BATCH_WRITING, BatchWriting.JDBC);
return ret;
}
}

MultiTenantJpaTransactionManager.java

package com.subu;

import java.io.Serializable;
import javax.persistence.EntityManager;
import org.springframework.orm.jpa.EntityManagerHolder;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.support.TransactionSynchronizationManager;

public class MultiTenantJpaTransactionManager extends JpaTransactionManager {

@Override
protected void doBegin(final Object transaction, final TransactionDefinition definition) {
super.doBegin(transaction, definition);
final EntityManagerHolder emHolder = (EntityManagerHolder) TransactionSynchronizationManager
.getResource(getEntityManagerFactory());
final EntityManager em = emHolder.getEntityManager();

}
}

SecurityConfig.java

 

package com.subu;

import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;

@Configuration
@EnableWebMvcSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth.inMemoryAuthentication()
.withUser(“user1”).password(“user1”).roles(“USER”)
.and()
.withUser(“user2”).password(“secret2”).roles(“USER”);
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests().anyRequest().fullyAuthenticated();
http.httpBasic();
http.csrf().disable();
}
}

EnableWebMvcSecurity.java

package com.subu;

public @interface EnableWebMvcSecurity {

}

 

TABLE:

tabletable1table2

 

OUTPUT :

xml

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