Initial revision

[old-projects.git] / ekit / com / hexidec / ekit / component / MutableFilter.java

/*\r
GNU Lesser General Public License\r
\r
MutableFilter\r
Copyright (C) 2000-2003 Howard Kistler\r
\r
This library is free software; you can redistribute it and/or\r
modify it under the terms of the GNU Lesser General Public\r
License as published by the Free Software Foundation; either\r
version 2.1 of the License, or (at your option) any later version.\r
\r
This library is distributed in the hope that it will be useful,\r
but WITHOUT ANY WARRANTY; without even the implied warranty of\r
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\r
Lesser General Public License for more details.\r
\r
You should have received a copy of the GNU Lesser General Public\r
License along with this library; if not, write to the Free Software\r
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\r
*/\r
\r
package com.hexidec.ekit.component;\r
\r
import java.io.File;\r
import javax.swing.filechooser.FileFilter;\r
\r
/** Class for providing JFileChooser with a FileFilter\r
  */\r
public class MutableFilter extends FileFilter\r
{\r
	private String[] acceptableExtensions;\r
	private String descriptor;\r
\r
	public MutableFilter(String[] exts, String desc)\r
	{\r
		acceptableExtensions = exts;\r
		StringBuffer strbDesc = new StringBuffer(desc + " (");\r
		for(int i = 0; i < acceptableExtensions.length; i++)\r
		{\r
			if(i > 0) { strbDesc.append(", "); }\r
			strbDesc.append("*." + acceptableExtensions[i]);\r
		}\r
		strbDesc.append(")");\r
		descriptor = strbDesc.toString();\r
	}\r
\r
	public boolean accept(File file)\r
	{\r
		if(file.isDirectory())\r
		{\r
			return true;\r
		}\r
		String fileName = file.getName();\r
		String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1, fileName.length()).toLowerCase();\r
		if(fileExt != null)\r
		{\r
			for(int i = 0; i < acceptableExtensions.length; i++)\r
			{\r
				if(fileExt.equals(acceptableExtensions[i]))\r
				{\r
					return true;\r
				}\r
			}\r
			return false;\r
		}\r
		else\r
		{\r
			return false;\r
		}\r
	}\r
\r
	public String getDescription()\r
	{\r
		return descriptor;\r
	}\r
}\r
\r