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mev-4.0.01/source/org/tigr/microarray/mev/cluster/gui/helpers/ExpressionFileFilter.java

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Rev	Date	Author	Line
2	26 Feb 07	jari	1	/*
2	26 Feb 07	jari	2	Copyright @ 1999-2003, The Institute for Genomic Research (TIGR).
2	26 Feb 07	jari	3	All rights reserved.
2	26 Feb 07	jari	4	*/
2	26 Feb 07	jari	5	/*
2	26 Feb 07	jari	6	* $RCSfile: ExpressionFileFilter.java,v $
2	26 Feb 07	jari	7	* $Revision: 1.4 $
2	26 Feb 07	jari	8	* $Date: 2006/02/23 20:59:48 $
2	26 Feb 07	jari	9	* $Author: caliente $
2	26 Feb 07	jari	10	* $State: Exp $
2	26 Feb 07	jari	11	*/
2	26 Feb 07	jari	12	package org.tigr.microarray.mev.cluster.gui.helpers;
2	26 Feb 07	jari	13
2	26 Feb 07	jari	14	import java.io.File;
2	26 Feb 07	jari	15
2	26 Feb 07	jari	16	import javax.swing.filechooser.FileFilter;
2	26 Feb 07	jari	17
2	26 Feb 07	jari	18	public class ExpressionFileFilter extends FileFilter {
2	26 Feb 07	jari	19
2	26 Feb 07	jari	20	public boolean accept(File f) {
2	26 Feb 07	jari	21	if (f.isDirectory()) {
2	26 Feb 07	jari	22	return true;
2	26 Feb 07	jari	23	}
2	26 Feb 07	jari	24	String extension = getExtension(f);
2	26 Feb 07	jari	25	if (extension != null) {
2	26 Feb 07	jari	26	if (extension.equals("txt")) {
2	26 Feb 07	jari	27	return true;
2	26 Feb 07	jari	28	} else {
2	26 Feb 07	jari	29	return false;
2	26 Feb 07	jari	30	}
2	26 Feb 07	jari	31	}
2	26 Feb 07	jari	32	return false;
2	26 Feb 07	jari	33	}
2	26 Feb 07	jari	34
2	26 Feb 07	jari	35	// The description of this filter
2	26 Feb 07	jari	36	public String getDescription() {
2	26 Feb 07	jari	37	return "Expression file (*.txt)";
2	26 Feb 07	jari	38	}
2	26 Feb 07	jari	39
2	26 Feb 07	jari	40	/** Get the extension of a file. */
2	26 Feb 07	jari	41	private String getExtension(File f) {
2	26 Feb 07	jari	42	String ext = null;
2	26 Feb 07	jari	43	String s = f.getName();
2	26 Feb 07	jari	44	int i = s.lastIndexOf('.');
2	26 Feb 07	jari	45	if (i > 0 && i < s.length() - 1) {
2	26 Feb 07	jari	46	ext = s.substring(i+1).toLowerCase();
2	26 Feb 07	jari	47	}
2	26 Feb 07	jari	48	return ext;
2	26 Feb 07	jari	49	}
2	26 Feb 07	jari	50	}