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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
{
private User myUser;
public UserResource(Context context, Request request, Response 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));
}
}
/**
* 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
{
rep = new DomRepresentation(MediaType.TEXT_XML);
getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
if (myUser != null)
{
rep = myUser.getDomRepresentation();
}
else
{
rep = new DomRepresentation(MediaType.TEXT_XML);
getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
}
rep.getDocument().normalizeDocument();
}
catch (IOException e)
@ -63,16 +129,16 @@ public class UserResource extends Resource
@Override
public void delete()
{
/*
if (this.book != null)
if (myUser != null)
{
getContainer().delete(this.book);
getContainer().delete(myUser);
getContainer().commit();
getResponse().setStatus(Status.SUCCESS_OK);
} else {
}
else
{
getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
}
*/
}
/**
@ -90,5 +156,49 @@ public class UserResource extends Resource
@Override
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();
}
}
}

116
cs656/lab4/UsersResource.java
View File

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