extensionfilefilter.java

来自「最新的数据交换」· Java 代码 · 共 31 行

package com.gemt.dataswap.io;

import java.io.File;
import java.io.FileFilter;

public class ExtensionFileFilter implements FileFilter
{
	String extension;
	public ExtensionFileFilter(String extension) {
		this.extension = extension;
	}
	
	public boolean accept(File pathname) {
		if(pathname.isDirectory( )) {
			return false;
		}

		String name = pathname.getName( );
		int index = name.lastIndexOf(".");
		if(index == -1) {
			return false;
		} 
		else if(index == name.length( ) -1) {
			return false;
		} 
		else {
			return this.extension.equals(name.substring(index+1));
		}
	}
}