src.com.ibm.as400.util.html.DirFilter Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of jt400 Show documentation
The Open Source version of the IBM Toolbox for Java
There is a newer version: 20.0.7
///////////////////////////////////////////////////////////////////////////////
//                                                                             
// JTOpen (IBM Toolbox for Java - OSS version)                              
//                                                                             
// Filename: DirFilter.java
//                                                                             
// The source code contained herein is licensed under the IBM Public License   
// Version 1.0, which has been approved by the Open Source Initiative.         
// Copyright (C) 1997-2000 International Business Machines Corporation and     
// others. All rights reserved.                                                
//                                                                             
///////////////////////////////////////////////////////////////////////////////

package com.ibm.as400.util.html;

import java.io.File;
import java.io.FilenameFilter;
import java.util.Vector;

import com.ibm.as400.access.IFSJavaFile;


/**
*  The DirFilter class determines if a File object is a directory.
*
*  
*  This example creates a DirFilter object to determine which IFSJavaFile objects
*  are directories.
*  
*  
*  // Create an IFSJavaFile object.
*  IFSJavaFile root = new IFSJavaFile(system, "/QIBM");
*  
*  // Create a DirFilter object.
*  DirFilter filter = new DirFilter();
*  
*  // Get the list of directories.
*  File[] dirList = root.listFiles(filter);
*  
*  // Create a tree element with each directory.
*  for (int i=0; i < dirList.length; i++)
*  {  
*     FileTreeElement node = new FileTreeElement(dirList[i]);                       
*     
*     ServletHyperlink sl = new ServletHyperlink(urlParser.getURI());
*     sl.setHttpServletResponse(resp);
*     node.setIconUrl(sl);        
*     
*     tree.addElement(node);				
*  }
*  
*
* 
*  @see com.ibm.as400.util.html.FileTreeElement
*
**/
public class DirFilter implements FilenameFilter
{
  private static final String copyright = "Copyright (C) 1997-2000 International Business Machines Corporation and others.";

   /**
    *  Constructs a default DirFilter object.
    **/
	public DirFilter()
	{  
	}

   /**
    *  Determines if a file should be included in a list of directories.
    *
    *  @param file The directory in which the file was found. 
    *  @param filename The name of the file.
    *
    *  @return true if the file is a directory; false otherwise. 
    **/ 
	public boolean accept(File file, String filename)
	{  
		File f;
		
      if (file instanceof IFSJavaFile)
			f = new IFSJavaFile((IFSJavaFile)file, filename);
		else
			f = new File(file, filename);
		
		if (!f.isFile())    
			return true;
		else    
			return false;
   }
}