stripqualifier.java

来自「简单的Java Gui,用Java编辑器真接打开」· Java 代码 · 共 68 行

//: com:bruceeckel:util:StripQualifiers.java

package com.bruceeckel.util;
import java.io.*;

public class StripQualifier
{
	private StreamTokenizer st;
	
	public StripQualifier(String qualified)
	{
		st = new StreamTokenizer(new StringReader(qualified));
		st.ordinaryChar(' '); //Keep the spaces
	}	
	
	public String getNext()
	{
		String s = null;
		
		try
		{
			int token = st.nextToken();
			
			if (token != StreamTokenizer.TT_EOF)
			{
				switch(st.ttype)
				{
					case StreamTokenizer.TT_EOF:
						s = null;
						break;
					case StreamTokenizer.TT_NUMBER:
						s = Double.toString(st.nval);
						break;
					case StreamTokenizer.TT_WORD:
						s = new String(st.sval);
						break;
					default: //single character in ttype
						s = String.valueOf((char)st.ttype);
				}
			}
		}
		catch(IOException e)
		{
			System.err.println("Error fetching token");
		}
		return s;
	}
	
	public static String strip(String qualified)
	{
		StripQualifier sq = new StripQualifier(qualified);
		String s = "";
		String si;
		
		while ((si = sq.getNext()) != null)
		{
			int lastDot = si.lastIndexOf('.');
			
			if (lastDot != -1)
			{
				si = si.substring(lastDot + 1);
			}
			
			s += si;
		}
		return s;
	}
}///:~