perfsonar development work

["Ivan K. Koga" <>]

Hi Loukik,

See attached the Datum class that I modified for MA-AMP.
I don´t know if I did it correctly... So, I want to know  what I did 
wrong and how to correct it.


Regards,
Ivan Koga
/**
 * This describes the datum format of a amp delay measurement.
 *
 * @author	Ivan Koji Koga
 * @version	$Id: Datum.java 143 2006-08-02 16:18:29 +3 $ 
 * @see		org.ggf.ns.nmwg.base.v2_0.Element
 * @see		org.ggf.ns.nmwg.base.v2_0.Datum 
 * @see		org.ggf.ns.nmwg.time.v2_0.Time 
 * @see		org.w3c.dom.Document
 * @see		org.w3c.dom.Element
 */
package org.ggf.ns.nmwg.tools.maamp;

import org.xml.sax.ContentHandler;
import org.xml.sax.helpers.AttributesImpl;
import org.ggf.ns.nmwg.base.v2_0.Element;
import org.ggf.ns.nmwg.time.v2_0.Time;
import org.xml.sax.helpers.NamespaceSupport;

public class Datum extends org.ggf.ns.nmwg.base.v2_0.Datum {


	/**
	 * attribute for delay value
	 */
	protected String delayvalue;
	
	/**
 	 * The constructor initializes the variables and 
	 * sets xml element information (when applicable).
	 */ 				
	public Datum() { 
		delayvalue="";
		localName = "datum";
		uri = "http://ggf.org/ns/nmwg/tools/maamp";;
		qName = "maamp:datum";	
		prefix = "maamp";	
		fileName = "org/ggf/ns/nmwg/tools/maamp/Datum.java";
	}
	
	
	/**
	 * Returns the value of the sDate attribute.
	 * @return
	 */
	public String getDelayValue() {
		return delayvalue;
	}
	/**
	 * Sets the sDate attribute
	 * @param date
	 */
	public void setDelayValue(String ndelayvalue) {
		delayvalue = ndelayvalue;
	}
	/**
 	 * Sets attributes, it is important to note that we
	 * access the underlying NMWG Datum information from the
	 * base.
	 */ 		
	public boolean addAttr(String attr, String value, NamespaceSupport nss) {
/*		if(attr.equals("value")) {
			setValue(value);
		} 
		else if(attr.equals("valueUnits")) {
			setValueUnits(value);
		} 		
		else if(attr.equals("numBytes")) {
			setNumBytes(value);
		} 
		else if(attr.equals("numBytesUnits")) {
			setNumBytesUnits(value);
		} 		
		else if(attr.equals("timeType")) {
			setTimeType(value);
		}
		else if(attr.equals("timeValue")) {
			setTimeValue(value);
		}
		else */
		if(attr.equals("delayvalue")) {
			setDelayValue(value);
		} 
                else if(attr.indexOf("xmlns") >= 0) {
                        if(attr.split(":").length == 1) {
                                if(nss.getURI("") == null) {
                                        nss.declarePrefix("", value);
                                }
                                if((prefix.equals("")) && !(value.equals(uri))) {
                                        uri = value;
                                }
                        }
                        else {
                                if(nss.getURI(attr.split(":")[1]) == null) {
                                        nss.declarePrefix(attr.split(":")[1], value);
                                }
                                if((prefix.equals(attr.split(":")[1])) && !(value.equals(uri))) {
                                        uri = value;
                                }
                        }
                }
		else {
		 	System.err.println("Error: " + getFileName() + " addAttr(String, String, NamespaceSupport) unrecognized attribute pair: " + attr + " - " + value);
		   	return false;
		}
		return true;
	}

	/**
 	 * The only allowable child for a datum element is the
	 * time.
	 */ 	
	public boolean addChild(Element newChild) {
		if(newChild.getLocalName().equals("time")) {		
			setTime((Time)newChild);
		}
		else {					 	
		 	System.err.println("Error: " + getFileName() + " addChild(Element) unrecognized child: " + newChild);
		   	return false;		
		}
		return true;
	}	

	/**
 	 * Converts the contents of this object into an xml tag.
	 */	
	public ContentHandler toXML(ContentHandler handler, NamespaceSupport nss) throws Exception {
		try {
  			handler.startElement(getUri(), getLocalName(), getQName(), getAttributes(nss));
			handler = getChildren(handler, nss);
  			handler.endElement(getUri(), getLocalName(), getQName());
			
			if(getCompleted()) {
				nss.popContext();
				unSetCompleted();
			}				
		}
		catch(Exception e) {
		 	System.err.println("Error: " + getFileName() + " toXML(ContentHandler, NamespaceSupport) XML formulation error.");
		}
		return handler;
	}
	
	/**
	 * Converts items into attributes for an xml tag.
	 */
	public AttributesImpl getAttributes(NamespaceSupport nss) {
		AttributesImpl atts = new AttributesImpl();
	
		/*if(!(getValue().equals(""))) {
			atts.addAttribute(getUri(), "value", "value", "CDATA", getValue());
		} 
		if(!(getValueUnits().equals(""))) {
			atts.addAttribute(getUri(), "valueUnits", "valueUnits", "CDATA", getValueUnits());
		} 		
		if(!(getNumBytes().equals(""))) {
			atts.addAttribute(getUri(), "numBytes", "numBytes", "CDATA", getNumBytes());
		} 
		if(!(getNumBytesUnits().equals(""))) {
			atts.addAttribute(getUri(), "numBytesUnits", "numBytesUnits", "CDATA", getNumBytesUnits());
		} 
		if(!(getTimeType().equals(""))) {
			atts.addAttribute(getUri(), "timeType", "timeType", "CDATA", getTimeType());
		} 
		if(!(getTimeValue().equals(""))) {
			atts.addAttribute(getUri(), "timeValue", "timeValue", "CDATA", getTimeValue());
		} 		
		if(!(getSeqNum().equals(""))) {
			atts.addAttribute(getUri(), "seqNum", "seqNum", "CDATA", getSeqNum());
		}
		if(!(getTTL().equals(""))) {
			atts.addAttribute(getUri(), "ttl", "ttl", "CDATA", getTTL());
		}*/
		
		if(!(getDelayValue().equals(""))) {
			atts.addAttribute(getUri(), "delayvalue", "delayvalue", "CDATA", getDelayValue());
		}
		if(nss.getURI(getPrefix()) == null) {		
			nss.pushContext();		
			if(getPrefix().equals("")) {
				atts.addAttribute(getUri(), "xmlns", "xmlns", "CDATA", getUri());			
			}
			else {
				atts.addAttribute(getUri(), "xmlns:" + getPrefix(), "xmlns:" + getPrefix(), "CDATA", getUri());			
			}
			nss.declarePrefix(getPrefix(), getUri());			
			setCompleted();
		}										
		return atts;
	}
	
	/**
	 * Chases children references down to print out all related xml tags.
	 */
	public ContentHandler getChildren(ContentHandler handler, NamespaceSupport nss) throws Exception {
		if(getTime() != null) {
			handler = getTime().toXML(handler, nss);
		}
		return handler;
	}	
	
	/** 
	 * Given a DOM element (a parent), construct
	 * the children elements.
	 */	
	public void getDOM(org.w3c.dom.Element parent) {
        	org.w3c.dom.Document doc = parent.getOwnerDocument();
        	org.w3c.dom.Element datum = doc.createElement(getLocalName());
        	datum = doc.createElementNS(getUri(), getQName()); 
		parent.appendChild(datum);	
	/*	if(!(getValue().equals(""))) {
			datum.setAttribute("value", getValue());
		}  
		if(!(getValueUnits().equals(""))) {
			datum.setAttribute("valueUnits", getValueUnits());
		} 
		if(!(getTimeType().equals(""))) {
			datum.setAttribute("timeType", getTimeType());
		} 
		if(!(getTimeValue().equals(""))) {
			datum.setAttribute("timeValue", getTimeValue());
		} 			
		if(!(getNumBytes().equals(""))) {
			datum.setAttribute("numBytes", getNumBytes());
		} 
		if(!(getNumBytesUnits().equals(""))) {
			datum.setAttribute("numBytesUnits", getNumBytesUnits());
		} 			
		if(!(getSeqNum().equals(""))) {
			datum.setAttribute("seqNum", getSeqNum());
		}
		if(!(getTTL().equals(""))) {
			datum.setAttribute("ttl", getTTL());
		}*/
		if(!(getDelayValue().equals(""))) {
			datum.setAttribute("delayvalue", getDelayValue());
		}
				
		if(getTime() != null) {
			getTime().getDOM(datum);
		}
	}	
	
	/**
 	 * Called when the object is placed in
	 * an output statement.
	 */ 		
	public String toString() {
		return getFileName() + ": ---> " + getValue() + /*" seqNum:" + getSeqNum() + " numBytes:" + getNumBytes() + " numBytesUnits:" + getNumBytesUnits() + " ttl:" + getTTL() + " valueUnits:" + getValueUnits()+ */ "delayvalue" + getDelayValue() + " timeType:" + getTimeType() + " timeValue:" + getTimeValue() + getTime();
	}	
}