/**
 *
 * Copyright the original author or authors
 *
 * 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.smack.packet.ExtensionElement;

/**
 * The default payload representation for {@link PayloadItem#getPayload()}.  It simply 
 * stores the XML payload as a string.
 *  
 * @author Robin Collier
 */
public class SimplePayload implements ExtensionElement
{
    private final String elemName;
    private final String ns;
    private final CharSequence payload;

    /**
     * Construct a <tt>SimplePayload</tt> object with the specified element name, 
     * namespace and content.  The content must be well formed XML.
     * 
     * @param elementName The root element name (of the payload)
     * @param namespace The namespace of the payload, null if there is none
     * @param xmlPayload The payload data
     */
    public SimplePayload(String elementName, String namespace, CharSequence xmlPayload)
    {
        elemName = elementName;
        payload = xmlPayload;
        ns = namespace;
    }

    @Override
    public String getElementName()
    {
        return elemName;
    }

    @Override
    public String getNamespace()
    {
        return ns;
    }

    @Override
    public CharSequence toXML()
    {
        return payload;
    }

    @Override
    public String toString()
    {
        return getClass().getName() + "payload [" + toXML() + "]";
    }
}
