catalogsearchquery.java

基于jxta的文件共享和聊天系统源代码,下载下来分析吧

/*
 * Created on 10-ott-2006
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package catalog_search;

import gui.MainWindow;

import java.io.InputStream;
import java.io.StringWriter;
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;

/**
 * @author magowiz
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class CatalogSearchQuery {
	private String title;
	private String description;
	private String [] catalog;
	private MainWindow mw;
	private boolean ow;
	private boolean op;
	
	public CatalogSearchQuery(){}
	
	public CatalogSearchQuery(String t,String d,String []c,MainWindow mw,boolean ow, boolean op)
	{
		title=t;
		description=d;
		catalog=c;
		this.mw=mw;
		this.op=op;
		this.ow=ow;
	}
	
	
	private String boolToString(boolean b)
	{
		String a=null;
		if(b)
			a="true";
		if(!b)
			a="false";
		return a;
	}
	
	private boolean StringTobool(String s)
	{
		boolean r;
		if(s.equals("true"))
			r=true;
		else
			r=false;
		return r;
	}
	
	
	public Document getDocument(MimeMediaType asMimeType)  	
	  {
		 StructuredDocument document = (StructuredTextDocument) 
	          StructuredDocumentFactory.newStructuredDocument(
	              asMimeType, "example:ExampleQuery");
	      Element element;
	      element = document.createElement("searchTitle",title);
	      document.appendChild(element);
	  	  element=document.createElement("searchDescription",description);
	      document.appendChild(element);	      
	      element=document.createElement("searchOw",boolToString(ow));
	      document.appendChild(element);
	      element=document.createElement("searchOp",boolToString(op));
	      document.appendChild(element);
	      if(catalog!=null){
	      for(int i=0;i<catalog.length;i++)
	    	  	{
	    	  		element=document.createElement("searchCatalog",catalog[i]);
	    	  		document.appendChild(element);
	      		}
	      }
	      return document;
	  }
	
	public CatalogSearchQuery (InputStream stream) 
	 {
		StructuredTextDocument document=null;
	    try{ 
		 document = (StructuredTextDocument) 
	         StructuredDocumentFactory.newStructuredDocument(
	             new MimeMediaType("text/xml"), stream);
	    }
	    catch(Exception e){e.printStackTrace();}
	    
	     Enumeration elements = document.getChildren();
	     int i=0;
	     int x=0;
	     elements = document.getChildren();
	     while (elements.hasMoreElements())
	     {
	    	 
	    	 
	         Element el = (Element) elements.nextElement();
	         TextElement element = (TextElement) el;
	         
	        
	         if(element.getName().equals("searchTitle"))
	         {
	         	 title = element.getTextValue();
	             continue;
	         }
	         if(element.getName().equals("searchDescription"))
	         {
	         	 description = element.getTextValue();	         	 
	             continue;
	         }
	         
	         if(element.getName().equals("searchOw"))
	         {
	         	 ow = StringTobool(element.getTextValue());	         	 
	             continue;
	         }
	         if(element.getName().equals("searchOp"))
	         {
	         	 op = StringTobool(element.getTextValue());	         	 
	             continue;
	         }
	         
	         if(element.getName().equals("searchCatalog"))
	         {
	        	 
	         	 String []c= new String[x+1];
	         	 if (catalog==null)
	         		 {
	         		 	catalog = new String[1];
	         		 	catalog[0]=element.getTextValue();
	         		 }
	         	 else {
	         		 		for (int a=0;a<catalog.length;a++)
	         		 			c[a]=catalog[a];
	         		 		c [x]= element.getTextValue();
	         		 		catalog=c;
	         		 }
	         	 
	         	 
	             x++;
	         	 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 "";
	     }
	 }
	
	/**
	 * @return the op
	 */
	public boolean isOp() {
		return op;
	}

	/**
	 * @return the ow
	 */
	public boolean isOw() {
		return ow;
	}

	public String getSearchTitle()
	{
		return this.title;
	}
	public String getSearchDescription()
	{
		return this.description;
	}
	public String  getSearchCatalog(int x)
	{
		if(x<catalog.length)
			return this.catalog[x];
		else
			return null;
	}
	
	public int getCatN()
	{
		return this.catalog.length;		
	}
	
	public MainWindow getMainWindow()
	{
		return this.mw;
	}
	
}