www.pudn.com > sxg.rar > GatewayDataRequest.java

/*
 * Copyright (c) 2003 Jens Mueller
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/**
 	Data class for representing get-requests on normal SNMP-data

 	@author Jens Mueller
 */

import java.util.Iterator;
import java.io.PrintWriter;

import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

public class GatewayDataRequest extends GatewayGetRequest
{
	private Document _responseDocument;
	
	/**
	 	builds the response in form of a XML-document and stores it into 
	 	_responseDocument. The document ist build by iteratively calling
	 	execute of instances of ContextGetRequest.  
	 	@see GatewayGetRequest#buildResponse(MibRepositoryHandler) 	 */
	public String buildResponse( MibRepositoryHandler repHandler ) 
																			throws RequestExecutionException 
	{
		String debugstr ="";
		_responseDocument = DocumentHelper.createDocument();
		Element data = _responseDocument.addElement( "snmp-data" );

		Iterator iterator = _contextRequestVector.iterator();
		ContextGetRequest currContextRequest;
		while(iterator.hasNext())
		{
			currContextRequest = ( ContextGetRequest ) iterator.next();
			debugstr += currContextRequest.execute( repHandler );
			data.appendContent( currContextRequest.getResultDocument().getRootElement() );
			debugstr += "
 Adding ResultElement.....
";
		}
		_responseDocument.addComment( GatewayConf.XML_COMMENT );
		return debugstr;
	}
	
	
	
	public Document getResponseDocument()
	{
		return _responseDocument;
	}
	
	
	/**
	 	writes textual representation of this request to writer for debugging 
	 	@see GatewayGetRequest#dump(PrintWriter) 	 */
	public void dump( PrintWriter writer ) 
	{
		Iterator iterator = _contextRequestVector.iterator();
		while(iterator.hasNext())
		{
			(( ContextGetRequest ) iterator.next()).dump( writer );
		}
	}
}