Convert string To HTML String - Java java.lang

Java examples for java.lang:String HTML

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Description

Convert string To HTML String

Demo Code


//package com.java2s;

public class Main {
    public static void main(String[] argv) {
        String string = "@#$%^&*().com";
        System.out.println(stringToHTMLString(string));
    }/*  w ww  .j a v  a  2s . c o m*/

    public static String stringToHTMLString(String string) {
        StringBuffer sb = new StringBuffer(string.length());
        // true if last char was blank
        boolean lastWasBlankChar = false;
        int len = string.length();
        char c;

        for (int i = 0; i < len; i++) {
            c = string.charAt(i);
            if (c == ' ') {
                // blank gets extra work,
                // this solves the problem you get if you replace all
                // blanks with &nbsp;, if you do that you loss 
                // word breaking
                if (lastWasBlankChar) {
                    lastWasBlankChar = false;
                    sb.append("&nbsp;");
                } else {
                    lastWasBlankChar = true;
                    sb.append(' ');
                }
            } else {
                lastWasBlankChar = false;
                //
                // HTML Special Chars
                if (c == '"')
                    sb.append("&quot;");
                else if (c == '&')
                    sb.append("&amp;");
                else if (c == '<')
                    sb.append("&lt;");
                else if (c == '>')
                    sb.append("&gt;");
                else if (c == '\n')
                    // Handle Newline
                    sb.append("<br/>");
                else {
                    int ci = 0xffff & c;
                    if (ci < 160)
                        // nothing special only 7 Bit
                        sb.append(c);
                    else {
                        // Not 7 Bit use the unicode system
                        sb.append("&#");
                        sb.append(new Integer(ci).toString());
                        sb.append(';');
                    }
                }
            }
        }
        return sb.toString();
    }
}

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