catalogsearchdiscresponse.java

基于jxta的文件共享和聊天系统源代码,下载下来分析吧

package catalog_search;

import java.io.InputStream;
import java.io.StringWriter;
import java.net.URL;
import java.util.Enumeration;

import net.jxta.document.Document;
import net.jxta.document.Element;
import net.jxta.document.MimeMediaType;
import net.jxta.document.StructuredDocument;
import net.jxta.document.StructuredDocumentFactory;
import net.jxta.document.StructuredTextDocument;
import net.jxta.document.TextElement;
import net.jxta.id.ID;
import net.jxta.id.IDFactory;
public class CatalogSearchDiscResponse {
	private ID id;
	private String catalog;
	private boolean thereis;
public CatalogSearchDiscResponse(){}
	
	public CatalogSearchDiscResponse(ID i,String c,boolean t)
	{
		this.id=i;
		this.thereis=t;
		this.catalog=c;
		
	}
	
	public Document getDocument(MimeMediaType asMimeType)  	
	  {
		 StructuredDocument document = (StructuredTextDocument) 
	          StructuredDocumentFactory.newStructuredDocument(
	              asMimeType, "example:ExampleResponse");
		  Element element;
	      element = document.createElement("peerID",id.toString());
	      document.appendChild(element);
	      element = document.createElement("searchCatalog",catalog);
	      document.appendChild(element);
	      String temp=null;
	      if (thereis)
	    	  temp="true";
	      else temp="false";
	      element=document.createElement("searchThereIs",temp);
	      document.appendChild(element);	
	       
	      return document;
	  }
	
	public CatalogSearchDiscResponse (InputStream stream) 
	 {
		StructuredTextDocument document=null;
	    try{ 
		 document = (StructuredTextDocument) 
	         StructuredDocumentFactory.newStructuredDocument(
	             new MimeMediaType("text/xml"), stream);
	    }
	    catch(Exception e){e.printStackTrace();}

	     Enumeration elements = document.getChildren();
	 	 
	 	while (elements.hasMoreElements())
	 	{	
	 		Element el = (Element) elements.nextElement();
	 		TextElement element = (TextElement) el;
	 		if (element.getName().equals("peerID"))
	        {
	 			try{id=IDFactory.fromURL(
		                new URL((element.getTextValue())));}
	             catch(Exception e){e.printStackTrace();}
	        	continue;
	        }
	        
	        if (element.getName().equals("searchCatalog"))
	        {
	        	catalog=element.getTextValue();
	        	continue;
	        }
	        if (element.getName().equals("searchThereIs"))
	        {
	        	String t=element.getTextValue();
	        	if(t.equals("true"))
	        		thereis=true;
	        	else
	        		thereis=false;
	        	continue;	        	
	        }
	        
	 	}
	
	 }
	public String toString()
	 {
	     try
	     {
	         StringWriter out = new StringWriter();
	         StructuredTextDocument doc = 
	             (StructuredTextDocument) getDocument(
	                 new MimeMediaType("text/xml"));
	         doc.sendToWriter(out);

	         return out.toString();
	     }
	     catch (Exception e)
	     {
	        e.printStackTrace(); 
	     	return "";
	     }
	 }
	
	public String getSearchCatalog()
	{
		return this.catalog;
	}
	
	public boolean getThereIs()
	{
		return this.thereis;
	}
	
	public ID getId()
	{
		return this.id;		
	}

}