是一个用java实现的

				/*
				 * PresentityTag.java
				 *
				 * Created on September 24, 2002, 11:01 AM
				 */
				
				package gov.nist.applet.phone.ua.pidf.parser;
				
				/**
				 *
				 * @author  deruelle
				 * @version 1.0
				 */
				public class PresentityTag  {
				
				    private String uri;
				    
				    /** Creates new PresentityTag */
				    public PresentityTag() {
				        uri=null;
				    }
				
				    public void setURI(String uri) {
				        this.uri=uri;
				    }
				    
				    public String getURI() {
				        return uri;
				    }
				
				    public String toString() {
				        String result="\n";
				        return result;
				    }
				    
				}