转译特殊符号标签

小鱼儿 2022-08-27 11:59 177阅读 0赞

/\*\*  
 \* DealingCharacter.java  
 \* Description:  
 \* @author li.b  
 \* @version 2.0  
 \* Jun 27, 2008  
 \*/  
public class DealingCharacter \{

/\*\*  
     \* Description: 转译特殊符号标签  
     \* @param value 需要处理的字符串  
     \* @return  
     \*/  
     public static String filter(String value)  
        \{  
            if(value == null || value.length() == 0)  
                return value;  
            StringBuffer result = null;  
            String filtered = null;  
            for(int i = 0; i < value.length(); i++)  
            \{  
                filtered = null;  
                switch(value.charAt(i))  
                \{  
                case 60: // '<'  
                    filtered = "<";  
                    break;

case 62: // '>'  
                    filtered = ">";  
                    break;

case 38: // '&'  
                    filtered = "&";  
                    break;

case 34: // '"'  
                    filtered = """;  
                    break;

case 39: // '/''  
                    filtered = "&\#39;";  
                    break;  
                \}  
                if(result == null)  
                \{  
                    if(filtered != null)  
                    \{  
                        result = new StringBuffer(value.length() + 50);  
                        if(i > 0)  
                            result.append(value.substring(0, i));  
                        result.append(filtered);  
                    \}  
                \} else  
                if(filtered == null)  
                    result.append(value.charAt(i));  
                else  
                    result.append(filtered);  
            \}

return result != null ? result.toString() : value;  
        \}

public static void main(String\[\] args) \{  
         System.out.println(DealingCharacter.filter("<HTML>sdfasfas</HTML>"));  
    \}  
\}