Kode eksempel:
Person.java (bare en data klasse)
package test;
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement
public class Person {
private int id;
private String name;
private String address;
public Person() {
this(0, "", "");
}
public Person(int id, String name, String address) {
this.id = id;
this.name = name;
this.address = address;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
}
PersonManager.java (web services)
package test;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
@Path("/person")
public class PersonManager {
private static List<Person> data = Collections.synchronizedList(new ArrayList<Person>());
static {
data.add(new Person(1, "A A", "A vej 1"));
data.add(new Person(2, "B B", "B vej 2"));
}
@POST
@Consumes({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
public void add(Person p) {
data.add(p);
}
@GET
@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
public List<Person> getAll() {
return data;
}
@GET
@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
@Path("/{id}")
public Person getOne(@PathParam("id") int id) {
for(Person p : data) {
if(p.getId() == id) {
return p;
}
}
throw new WebApplicationException(Response.Status.NOT_FOUND);
}
}
RestFul.java (definition af alle web services)
package test;
import java.util.HashSet;
import java.util.Set;
import javax.ws.rs.core.Application;
import javax.ws.rs.ApplicationPath;
@ApplicationPath("/rest")
public class RestFul extends Application {
public Set<Class<?>> getClasses() {
Set<Class<?>> res = new HashSet<Class<?>>();
res.add(PersonManager.class);
return res;
}
}
web.xml (som fortaeller at der bruges Jersey og loader RestFul klassen)
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