SMACK-272 Add support for XEP-0060 (pubsub)

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@11346 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smackx/pubsub/FormNode.java

@@ -0,0 +1,99 @@
+/**
+ * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jivesoftware.smackx.pubsub;
+
+import org.jivesoftware.smackx.Form;
+
+/**
+ * Generic packet extension which represents any pubsub form that is
+ * parsed from the incoming stream or being sent out to the server.
+ * 
+ * Form types are defined in {@link FormNodeType}.
+ * 
+ * @author Robin Collier
+ */
+public class FormNode extends NodeExtension
+{
+	private Form configForm;
+	
+	/**
+	 * Create a {@link FormNode} which contains the specified form.
+	 * 
+	 * @param formType The type of form being sent
+	 * @param submitForm The form
+	 */
+	public FormNode(FormNodeType formType, Form submitForm)
+	{
+		super(formType.getNodeElement());
+
+		if (submitForm == null)
+			throw new IllegalArgumentException("Submit form cannot be null");
+		configForm = submitForm;
+	}
+	
+	/**
+	 * Create a {@link FormNode} which contains the specified form, which is 
+	 * associated with the specified node.
+	 * 
+	 * @param formType The type of form being sent
+	 * @param nodeId The node the form is associated with
+	 * @param submitForm The form
+	 */
+	public FormNode(FormNodeType formType, String nodeId, Form submitForm)
+	{
+		super(formType.getNodeElement(), nodeId);
+
+		if (submitForm == null)
+			throw new IllegalArgumentException("Submit form cannot be null");
+		configForm = submitForm;
+	}
+	
+	/**
+	 * Get the Form that is to be sent, or was retrieved from the server.
+	 * 
+	 * @return The form
+	 */
+	public Form getForm()
+	{
+		return configForm;
+	}
+	
+	@Override
+	public String toXML()
+	{
+		if (configForm == null)
+		{
+			return super.toXML();
+		}
+		else
+		{
+			StringBuilder builder = new StringBuilder("<");
+			builder.append(getElementName());
+			
+			if (getNode() != null)
+			{
+				builder.append(" node='");
+				builder.append(getNode());
+				builder.append("'>");
+			}
+			else
+				builder.append('>');
+			builder.append(configForm.getDataFormToSend().toXML());
+			builder.append("</");
+			builder.append(getElementName() + '>');
+			return builder.toString();
+		}
+	}
+
+}