java 创建rest服务生成xml（**不要忘记使用@XmlRootElement注释对象类以告诉服务器公开自己）

Posted 2021-05-08

<?xml version="1.0" encoding="UTF-8"?>
<!-- This web.xml file is not required when using Servlet 3.0 container,
     see implementation details http://jersey.java.net/nonav/documentation/latest/jax-rs.html -->
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    <servlet>
        <servlet-name>Jersey Web Application</servlet-name>
        <servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
        <init-param>
            <param-name>jersey.config.server.provider.packages</param-name>
            <param-value>com.pluralsight</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>Jersey Web Application</servlet-name>
        <url-pattern>/webapi/*</url-pattern>
    </servlet-mapping>
</web-app>

package com.pluralsight;

import java.util.List;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;

import com.pluralsight.model.Activity;
import com.pluralsight.repository.ActivityRepository;
import com.pluralsight.repository.ActivityRepositoryStub;

@Path("activities")
public class ActivityResource {
	
	private ActivityRepository activityRepository = new ActivityRepositoryStub();
	
	@GET
	@Produces(MediaType.APPLICATION_XML)
	public List<Activity> getAllActivities(){
		return activityRepository.findAllActivities();
	}

}

package com.pluralsight.repository;

import java.util.ArrayList;
import java.util.List;

import com.pluralsight.model.Activity;

public class ActivityRepositoryStub implements ActivityRepository {
	/* (non-Javadoc)
	 * @see com.pluralsight.repository.ActivityRepository#findAllActivities()
	 */
	@Override
	public List<Activity> findAllActivities(){
		List<Activity> activities = new ArrayList<Activity>();
		
		Activity activity1 = new Activity();
		activity1.setDescription("Swimming");
		activity1.setDuration(55);
		activities.add(activity1);
		
		Activity activity2 = new Activity();
		activity2.setDescription("Cycling");
		activity2.setDuration(120);
		activities.add(activity2);
		
		return activities;
	}
}

package com.pluralsight.repository;

import java.util.List;

import com.pluralsight.model.Activity;

public interface ActivityRepository {

	List<Activity> findAllActivities();

}

package com.pluralsight.model;

import javax.xml.bind.annotation.XmlRootElement;

@XmlRootElement
public class Activity {
	private String description;
	private int duration;
	public String getDescription() {
		return description;
	}
	public void setDescription(String description) {
		this.description = description;
	}
	public int getDuration() {
		return duration;
	}
	public void setDuration(int duration) {
		this.duration = duration;
	}
	
	
}