StringUtil.java

package tv.avfun.util;


public class StringUtil {

    /**
     * 字符 转义字符 “ " & & < < > >  
     */
    public static String getSource(String escapedHtml) {
        return escapedHtml.replaceAll(""", "\"").replaceAll("&", "&").replaceAll("<", "<")
                .replaceAll(">", ">").replaceAll(" ", " ");
    }
    
    public static boolean validate(String str){
        return str!=null && str.length() >0 && !"null".equalsIgnoreCase(str);
    }
}