highlightfilter.java

java写的blog

/*
 * Created on 2004-11-14
 * Author: Xuefeng, Copyright (C) 2004, Xuefeng.
 */
package org.crystalblog.web.filter;

/**
 * To highlight the keyword.
 * 
 * @author Xuefeng
 */
public final class HighlightFilter {

    private static final String BEGIN = "<span style=\"background-color:#FFFF00\"><font color=\"#AA0000\"><b>";
    private static final String END = "</b></font></span>";

    public static String highlight(String text, final String[] keywords) {
        for(int i=0; i<keywords.length; i++)
            text = text.replaceAll(keywords[i], BEGIN + keywords[i] + END);
        return text;
    }

}