bookfileimpl.java

手机电子书阅读软件基本框架

/********************************************************************
 * 
 * 版权说明，此程序仅供学习参考。不能用于商业
 * 
 ********************************************************************/
package org.pook.file;

import java.io.IOException;
import java.util.Enumeration;
import java.util.Vector;

import javax.microedition.io.Connector;
import javax.microedition.io.file.FileConnection;
import javax.microedition.io.file.FileSystemRegistry;

import org.pook.log.Log;
import org.pook.model.File;

/**
 * <b>类名：BookFileImpl.java</b> </br> 
 * 编写日期: 2006-10-12 <br/>
 * 程序功能描述： <br/>
 * Demo: <br/>
 * Bug: <br/>
 * 
 * 程序变更日期 ：<br/> 
 * 变更作者 ：<br/> 
 * 变更说明 ：<br/>
 * 
 * @author wuhua </br> <a href="mailto:[e-mail]">[e-mail]</a>
 */
public class BookFileImpl implements BookFile {
	private static Log log = Log.getLog("BookFileImpl");
	
	FileConnection conn = null;
	
	BookFileImpl(String url)throws Exception{
		 
		conn = (FileConnection) Connector.open( url, Connector.READ);

	}
	
	
	public Vector listName() throws IOException {
		 
		Vector vc = null;
		 if( conn.isDirectory() ){
		        Enumeration names = conn.list();
		        vc = new Vector();     
		        while( names.hasMoreElements() ){
		        	
		        	//setFileImpl(vc, (String) names.nextElement());
		        	vc.addElement(names.nextElement());
		            
		        }
		        return vc;
		    } else {
		        return null;
		  }
	}

 
 
	
	public boolean isFile() {
		conn.exists();
		if(conn.isDirectory())
			return false;
		else
			return true;
	}

	public void close() {
		if(conn != null)
			try {
				conn.close();
			} catch (IOException e) {
				// TODO 自动生成 catch 块
				e.printStackTrace();
			}
		
	}


	public File openFile() {
		System.out.println(conn.getURL());
		File f = new File(conn.getURL(),conn.getPath(),conn.getName(),null);
		return f;
	}


	public boolean exists() {
		return conn.exists();
	}

	
	
	
}