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A pure Java Open Source implementation of the UPnP stack backported for JDK13

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/******************************************************************
*
*	CyberUPnP for Java
*
*	Copyright (C) Satoshi Konno 2002
*
*	File: QueryResponse.java
*
*	Revision;
*
*	01/30/03
*		- first revision.
*	
******************************************************************/

package org.cybergarage.upnp.control;

import org.cybergarage.upnp.*;
import org.cybergarage.http.*;
import org.cybergarage.soap.*;
import org.cybergarage.xml.*;

public class QueryResponse extends ControlResponse
{
	////////////////////////////////////////////////
	//	Constructor
	////////////////////////////////////////////////
	
	public QueryResponse()
	{
	}

	public QueryResponse(SOAPResponse soapRes)
	{
		super(soapRes);
	}

	////////////////////////////////////////////////
	//	Qyery
	////////////////////////////////////////////////

	private Node getReturnNode()
	{
		Node bodyNode = getBodyNode();
		if (bodyNode == null)
			return null;
		if (bodyNode.hasNodes() == false)
			return null;
		Node queryResNode = bodyNode.getNode(0);
		if (queryResNode == null)
			return null;
		if (queryResNode.hasNodes() == false)
			return null;
		return queryResNode.getNode(0);
	}
	
	public String getReturnValue()
	{
		Node node = getReturnNode();
		if (node == null)
			return "";
		return node.getValue();
	}

	////////////////////////////////////////////////
	//	Response
	////////////////////////////////////////////////

	public void setResponse(StateVariable stateVar)
	{
		String var = stateVar.getValue();

		setStatusCode(HTTPStatus.OK);
		
		Node bodyNode = getBodyNode();
		Node resNode = createResponseNode(var);
		bodyNode.addNode(resNode);
		
		Node envNodee = getEnvelopeNode();
		setContent(envNodee);

	}

	private Node createResponseNode(String var)
	{
		Node queryResNode = new Node();
		queryResNode.setName(Control.NS, Control.QUERY_STATE_VARIABLE_RESPONSE);
		queryResNode.setNameSpace(Control.NS, Control.XMLNS);
		
		Node returnNode = new Node();
		returnNode.setName(Control.RETURN);
		returnNode.setValue(var);
		queryResNode.addNode(returnNode);
		
		return queryResNode;
	}
}