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updated UserResource

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git-svn-id: svn://anubis/gvsu@280 45c1a28c-8058-47b2-ae61-ca45b979098e
This commit is contained in:
josh 2008-11-29 17:43:17 +00:00
parent 1ec2298033
commit d044e20d13
2 changed files with 176 additions and 66 deletions
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126
cs656/lab4/UserResource.java
View File

@ -23,12 +23,71 @@ import org.restlet.resource.Variant;
public class UserResource extends Resource public class UserResource extends Resource
{ {
private User myUser;
public UserResource(Context context, Request request, Response response) public UserResource(Context context, Request request, Response response)
{ {
super(context, request, response); super(context, request, response);
String id = (String) request.getAttributes().get("id"); String name = (String) request.getAttributes().get("id");
myUser = findUser(name);
if(myUser != null)
{
getVariants().add(new Variant(MediaType.TEXT_XML)); getVariants().add(new Variant(MediaType.TEXT_XML));
}
}
/**
* Returns the parent application.
*
* @return the parent application.
*/
public ChatServer getApplication()
{
return (ChatServer) getContext().getAttributes().get(ChatServer.KEY);
}
/**
* Returns the database container.
*
* @return the database container.
*/
public ObjectContainer getContainer()
{
return getApplication().getContainer();
}
/**
* Finds the user resource info in the database.
* @param name The name of the user to be found.
* @return The a reference to a User instance or null if there is none.
*/
public User findUser(final String name)
{
User result = null;
if (name != null)
{
// Create the query predicate
Predicate<User> predicate = new Predicate<User>()
{
private static final long serialVersionUID = 1L;
@Override
public boolean match(User candidate)
{
return name.equals(candidate.getUserName());
}
};
// Query the database and get the first result
List<User> users = getContainer().query(predicate);
if ((users != null) && (users.size() > 0))
{
result = users.get(0);
}
}
return result;
} }
/** /**
@ -42,8 +101,15 @@ public class UserResource extends Resource
{ {
try try
{ {
rep = new DomRepresentation(MediaType.TEXT_XML); if (myUser != null)
getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND); {
rep = myUser.getDomRepresentation();
}
else
{
rep = new DomRepresentation(MediaType.TEXT_XML);
getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
}
rep.getDocument().normalizeDocument(); rep.getDocument().normalizeDocument();
} }
catch (IOException e) catch (IOException e)
@ -63,16 +129,16 @@ public class UserResource extends Resource
@Override @Override
public void delete() public void delete()
{ {
/* if (myUser != null)
if (this.book != null)
{ {
getContainer().delete(this.book); getContainer().delete(myUser);
getContainer().commit(); getContainer().commit();
getResponse().setStatus(Status.SUCCESS_OK); getResponse().setStatus(Status.SUCCESS_OK);
} else { }
else
{
getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND); getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
} }
*/
} }
/** /**
@ -90,5 +156,49 @@ public class UserResource extends Resource
@Override @Override
public void put(Representation entity) public void put(Representation entity)
{ {
try
{
if (entity.getMediaType().equals(MediaType.APPLICATION_WWW_FORM, true)
&& (myUser != null))
{
// Parse the entity as a web form
Form form = new Form(entity);
// update the loaded Book object
String value = form.getFirstValue("user[host]");
if (value != null)
{
myUser.setHost(value);
}
value = form.getFirstValue("user[port]");
if (value != null)
{
myUser.setPort(Integer.parseInt(value));
}
value = form.getFirstValue("user[status]");
if (value != null)
{
myUser.setStatus(value.equals("available"));
}
// commit the changes.
getContainer().set(myUser);
getContainer().commit();
getResponse().setStatus(Status.SUCCESS_OK);
getResponse().setEntity(myUser.getDomRepresentation());
}
else
{
getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
}
}
catch (IOException e)
{
getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
e.printStackTrace();
}
} }
} }

112
cs656/lab4/UsersResource.java
View File

@ -29,48 +29,48 @@ public class UsersResource extends Resource
getVariants().add(new Variant(MediaType.TEXT_XML)); getVariants().add(new Variant(MediaType.TEXT_XML));
} }
/** /**
* Returns the parent application. * Returns the parent application.
* *
* @return the parent application. * @return the parent application.
*/ */
public ChatServer getApplication() public ChatServer getApplication()
{ {
return (ChatServer) getContext().getAttributes().get(ChatServer.KEY); return (ChatServer) getContext().getAttributes().get(ChatServer.KEY);
} }
/** /**
* Returns the database container. * Returns the database container.
* *
* @return the database container. * @return the database container.
*/ */
public ObjectContainer getContainer() public ObjectContainer getContainer()
{ {
return getApplication().getContainer(); return getApplication().getContainer();
} }
/** /**
* Search the database for all user resources. * Search the database for all user resources.
* @return a List of User references. * @return a List of User references.
*/ */
public List<User> getUsers() public List<User> getUsers()
{ {
// Create the query predicate // Create the query predicate
Predicate<User> predicate = new Predicate<User>() Predicate<User> predicate = new Predicate<User>()
{ {
private static final long serialVersionUID = 1L; private static final long serialVersionUID = 1L;
@Override @Override
public boolean match(User candidate) public boolean match(User candidate)
{ {
return true; return true;
} }
}; };
// Query the database and get the first result // Query the database and get the first result
List<User> users = getContainer().query(predicate); List<User> users = getContainer().query(predicate);
return users; return users;
} }
/** /**
* handle HTTP GET requests. * handle HTTP GET requests.
@ -86,12 +86,12 @@ public class UsersResource extends Resource
rep = new DomRepresentation(MediaType.TEXT_XML); rep = new DomRepresentation(MediaType.TEXT_XML);
Document d = rep.getDocument(); Document d = rep.getDocument();
Element eltRoot = d.createElement("users"); Element eltRoot = d.createElement("users");
d.appendChild(eltRoot); d.appendChild(eltRoot);
for (User user : getUsers()) for (User user : getUsers())
{ {
user.fillNodes(d, eltRoot); user.fillNodes(d, eltRoot);
} }
d.normalizeDocument(); d.normalizeDocument();
} }
@ -115,18 +115,18 @@ public class UsersResource extends Resource
return false; return false;
} }
@Override @Override
public boolean allowPost() public boolean allowPost()
{ {
return true; return true;
} }
/** /**
* Handle HTTP POST. Create a new book resource. * Handle HTTP POST. Create a new book resource.
*/ */
@Override @Override
public void post(Representation entity) public void post(Representation entity)
{ {
if (entity.getMediaType().equals(MediaType.APPLICATION_WWW_FORM, true)) if (entity.getMediaType().equals(MediaType.APPLICATION_WWW_FORM, true))
{ {
// Parse the entity as a web form // Parse the entity as a web form
@ -148,5 +148,5 @@ public class UsersResource extends Resource
{ {
getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND); getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
} }
} }
} }