added UsersResource and User objects

git-svn-id: svn://anubis/gvsu@278 45c1a28c-8058-47b2-ae61-ca45b979098e

cs656/lab4/User.java

@@ -0,0 +1,43 @@
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.restlet.data.MediaType;
+import org.restlet.resource.DomRepresentation;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import com.db4o.query.Predicate;
+
+import edu.gvsu.cis.cs656.lab4.server.RegistrationInfo;
+
+public class User extends RegistrationInfo
+{
+    public DomRepresentation getDomRepresentation() throws IOException
+    {
+        DomRepresentation rep = new DomRepresentation(MediaType.TEXT_XML);
+        Document d = rep.getDocument();
+        Element eltRoot = d.createElement("user");
+        d.appendChild(eltRoot);
+    
+        Element eltName = d.createElement("name");
+        eltName.appendChild(d.createTextNode(getUserName()));
+        eltRoot.appendChild(eltName);
+    
+        Element eltHost = d.createElement("host");
+        eltHost.appendChild(d.createTextNode(getHost()));
+        eltRoot.appendChild(eltHost);
+    
+        Element eltPort = d.createElement("port");
+        eltPort.appendChild(d.createTextNode(getPort()));
+        eltRoot.appendChild(eltPort);
+        
+        Element eltStatus = d.createElement("status");
+        eltStatus.appendChild(
+            d.createTextNode(getStatus() ? "available" : "away"));
+        eltRoot.appendChild(eltStatus);
+        
+        return rep;
+    }
+}

cs656/lab4/UsersResource.java

@@ -0,0 +1,105 @@
+//----------------------------------------------------------------------
+//
+//  Filename: UsersResource.java
+//  Description:
+//
+//  $Id:$
+//
+//----------------------------------------------------------------------
+
+import java.io.IOException;
+
+import org.restlet.Context;
+import org.restlet.data.Form;
+import org.restlet.data.MediaType;
+import org.restlet.data.Request;
+import org.restlet.data.Response;
+import org.restlet.resource.Resource;
+import org.restlet.data.Status;
+import org.restlet.resource.DomRepresentation;
+import org.restlet.resource.Representation;
+import org.restlet.resource.Variant;
+
+
+public class UsersResource extends Resource
+{
+
+    public UsersResource(Context context, Request request, Response response)
+    {
+        super(context, request, response);
+        getVariants().add(new Variant(MediaType.TEXT_XML));
+    }
+
+    /**
+     * handle HTTP GET requests.
+     */
+    @Override
+    public Representation getRepresentation(Variant variant)
+    {
+        DomRepresentation rep = null;
+        if (variant.getMediaType().equals(MediaType.TEXT_XML))
+        {
+            try
+            {
+                rep = new DomRepresentation(MediaType.TEXT_XML);
+                getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
+                rep.getDocument().normalizeDocument();
+            }
+            catch (IOException e)
+            {
+                e.printStackTrace();
+            }
+        }
+        return rep;
+    }
+
+    @Override
+    public boolean allowDelete()
+    {
+        return false;
+    }
+
+    @Override
+    public boolean allowPut()
+    {
+        return false;
+    }
+
+	@Override
+	public boolean allowPost()
+	{
+		return true;
+	}
+
+	/**
+	 * 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
+            Form form = new Form(entity);
+
+            // create a new User object
+            Book book = new Book();
+            book.setId(form.getFirstValue("book[id]"));
+            book.setAuthors(form.getFirstValue("book[authors]"));
+            book.setIsbn(form.getFirstValue("book[isbn]"));
+            book.setTitle(form.getFirstValue("book[title]"));
+            book.setPublisher(form.getFirstValue("book[publisher]"));
+            book.setYear(form.getFirstValue("book[year]"));    
+            getResponse().setStatus(Status.SUCCESS_CREATED);
+            
+            // commit the changes.
+            getContainer().set(book);
+            getContainer().commit();
+        
+        }
+        else
+        {
+            getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
+        }
+	}    
+}