Restful入门实战演练

import java.util.Iterator;

import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;

import org.codehaus.jackson.map.deser.FromStringDeserializer;
import org.restlet.data.Form;
import org.restlet.data.Parameter;
import org.restlet.representation.Representation;

@Path("student")
public class StudentResource {
 
 @GET
 @Path("{id}/xml")
 @Produces("application/xml")
 public Student getStudentXml(@PathParam("id") int id) {

 //路径为http://localhost:8085/student/1/xml
  return ResourceServer.getDefaultStudent();
 }
 
 @GET
 @Path("{id}/json")
 @Produces("application/json")
 public Student getStudentJson(@PathParam("id") int id) {

 //路径为http://localhost:8085/student/1/json
 return ResourceServer.findStudent(id);
 }
 
 @GET
 @Path("delete/{name}")
 public void delete(@PathParam("name") String name){

 //路径为http://localhost:8085/student/delete/小王
  System.out.println("和数据库交互，删除name 为"+name +"的student");
 }
 
 @POST
 @Path("update")
 public void update(Representation  data){
  //form表单通过Post将数据传过来。路径为http://localhost:8085/student/update/+form数据
  Form  form =new Form(data);
  Iterator<Parameter>   it =form.iterator();
  Student   stu =new Student();
  while(it .hasNext()){
   Parameter  p =it.next();
   String key =p.getName();
   String val =p.getValue();
   if("id".equals(key)){
    stu.setId(Integer.parseInt(val));
    
   }else  if("name".equals(key)) {
    stu.setName(val);
   }
  }
  // 将student加入到数据库。
 }

}

public class StudentApplication extends Application {

 @Override
 public Set<Class<?>> getClasses() {
  Set<Class<?>> rrcs = new HashSet<Class<?>>();
  rrcs.add(StudentResource.class);
  return rrcs;
 }
}