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package com.sun.jersey.samples.contacts.server;
import com.sun.jersey.atom.abdera.ContentHelper;
import com.sun.jersey.samples.contacts.models.User;
import java.util.Date;
import javax.annotation.security.RolesAllowed;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import org.apache.abdera.model.Entry;
/**
* Resource to manage an individual user for the Contacts System.
*/
public class UserResource extends BaseResource {
// ------------------------------------------------------------ Constructors
/**
* Construct a configured instance of this resource class.
*
* @param uriInfo Context URI information to be injected
* @param contentHelper Context injected helper for Atom entry content
* @param username Username of the specified user
*/
public UserResource(UriInfo uriInfo, ContentHelper contentHelper, String username) {
this.uriInfo = uriInfo;
this.contentHelper = contentHelper;
this.username = username;
}
// ------------------------------------------------------ Instance Variables
/**
* Username of the specified user.
*/
private String username = null;
// ---------------------------------------------------------- Public Methods
/**
* Delete the contact information for the specified user, as well as
* all contacts owned by this user.
*/
@RolesAllowed("admin")
@DELETE
public Response delete() {
synchronized (Database.users) {
User user = Database.users.remove(username);
if (user == null) {
return Response.status(404).
type("text/plain").
entity("User '" + username + "' not found\r\n").
build();
} else {
Database.usersUpdated = new Date();
synchronized (Database.contacts) {
Database.contacts.remove(username);
}
}
}
return Response.ok().build();
}
/**
* Return the contact information for the specified user. Note that
* the password property will NOT be
* included.
*/
@RolesAllowed("admin")
@GET
@Produces({"application/atom+xml",
"application/atom+xml;type=entry",
"application/atom+json",
"application/atom+json;type=entry",
"application/json",
"application/xml",
"text/xml"})
public Response get() {
Entry entry = null;
synchronized (Database.users) {
User user = Database.users.get(username);
if (user == null) {
return Response.status(404).
type("text/plain").
entity("User '" + username + "' not found\r\n").
build();
}
entry = abdera.newEntry();
entry.setId(user.getId());
entry.setTitle(user.getUsername());
entry.setUpdated(user.getUpdated());
String uri = uriInfo.getRequestUriBuilder().build().toString();
entry.addLink(uri, "self");
entry.addLink(uri, "edit");
contentHelper.setContentEntity(entry, MediaType.APPLICATION_XML_TYPE, user);
}
return Response.ok(entry).build();
}
/**
* Update the contact information for the specified user.
*/
@RolesAllowed("admin")
@PUT
@Consumes({"application/atom+xml",
"application/atom+xml;type=entry",
"application/xml",
"text/xml"})
public Response put(Entry entry) {
// Validate the incoming user information independent of the database
User user = contentHelper.getContentEntity(entry, MediaType.APPLICATION_XML_TYPE, User.class);
StringBuilder errors = new StringBuilder();
if ((user.getPassword() == null) || (user.getPassword().length() < 1)) {
errors.append("Missing 'password' property\r\n");
}
if (errors.length() > 0) {
return Response.status(400).
type("text/plain").
entity(errors.toString()).build();
}
// Validate conditions that require locking the database
synchronized (Database.users) {
// Look up the original user information
User original = Database.users.get(username);
if (original == null) {
return Response.status(404).
type("text/plain").
entity("User '" + username + "' does not exist\r\n").
build();
}
// Update the original user information
original.setPassword(user.getPassword());
original.setUpdated(new Date());
Database.usersUpdated = new Date();
return Response.
ok().
build();
}
}
}
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