org.jivesoftware.smackx.pubsub.FormNode Maven / Gradle / Ivy

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Smack is an Open Source XMPP (Jabber) client library for instant messaging and presence. This library provides the client side functionality as specified in the core XMPP specifications as related to the client side of said specifications.

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/**
 * 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("');
			return builder.toString();
		}
	}

}