pathutils.java

FMJ（freedom media for java)是java视频开发的新选择

package net.sf.fmj.utility;

/**
 * 
 * @author Ken Larson
 *
 */
public final class PathUtils
{
	private PathUtils()
	{	super();
	}
	
	
	/**
	 * Convenience method to get java.io.tmpdir system property.
	 */
	public static String getTempPath()
	{
		return System.getProperty("java.io.tmpdir");
	}
	/**
	 * does not include the dot.
	 * s can be filename + ext or full path.
	 * 
	 */
	public static String extractExtension(String s)
	{
		int index = s.lastIndexOf(".");
		if (index < 0)
			return "";
		return s.substring(index + 1, s.length());
	}
}