Java Utililty Methods HTML Encode

List of utility methods to do HTML Encode

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Description

The list of methods to do HTML Encode are organized into topic(s).

Method

StringhtmlSpecialChars(String html)
html Special Chars 
StringBuilder builder = new StringBuilder(html);
for (int index = 0; index < builder.length(); index++) {
    String toInsert;
    switch (builder.charAt(index)) {
    case '<':
        toInsert = "&lt;";
        break;
    case '>':
...
Stringhtmlspecialchars(String input)
htmlspecialchars 
if (input == null)
    return null;
String retval = input.replace("&", "&amp;");
retval = retval.replace("\"", "&quot;");
retval = retval.replace("<", "&lt;");
retval = retval.replace(">", "&gt;");
retval = retval.replace(">", "&gt;");
retval = retval.replace("=", "&#61;");
...
Stringhtmlspecialchars(String s)
translate some HTML characters (similar to same PHP function) The translations performed are: '&' (ampersand) becomes '&' NOT YET IMPLEMENTED '"' (double quote) becomes '"' NOT YET IMPLEMENTED ''' (single quote) becomes ''' NOT YET IMPLEMENTED '<' (less than) becomes '<' '>' (greater than) becomes '>' 
s = s.replaceAll("<", "&lt;");
s = s.replaceAll(">", "&gt;");
return s;
Stringhtmlspecialchars(String str)
htmlspecialchars 
str = str.replaceAll("&", "&amp;");
str = str.replaceAll("<", "&lt;");
str = str.replaceAll(">", "&gt;");
str = str.replaceAll("\"", "&quot;");
return str;
StringtextToHtml(final String s)
Converts a text message into an HTML message, replacing all newlines with <br> tags and escaping the '<' and '>' characters; 
final StringBuilder sb = new StringBuilder();
for (final char c : s.toCharArray()) {
    switch (c) {
    case '\n':
        sb.append("<br/>");
        break;
    case '<':
        sb.append("&lt;");
...
StringtextToHtml(String html)
text To Html 
if (html != null) {
    html = html.replace("\u00e5", "&aring;");
    html = html.replace("\u00e4", "&auml;");
    html = html.replace("\u00f6", "&ouml;");
    html = html.replace("\u00c5", "&Aring;");
    html = html.replace("\u00c4", "&Auml;");
    html = html.replace("\u00d6", "&Ouml;");
return html;
StringtextToHTML(String message)
Scans a text, generating HTML that respects leading/consecutive spaces and newlines, while escaping actual HTML constructs. 
StringBuffer html = new StringBuffer();
boolean collectSpaces = true;
for (int i = 0; i < message.length(); i++) {
    String bit;
    char c = message.charAt(i);
    switch (c) {
    case '\r':
        continue;
...
StringtextToHtml(String s)
wrap contents as an html document 
return stringToHTMLString(s);
StringtextToHtml(String text)
Converts plaintext to HTML, preserving whitespace semantics as much as possible. 
return text.replaceAll("&", "&amp;").replaceAll("<", "&lt;").replaceAll(">", "&gt;")
        .replaceAll("\\n", "<br />").replaceAll("\\t", "    ").replaceAll(" ", "&nbsp;")
        .replaceAll("&nbsp;(?!&nbsp;)", " ").replaceAll(" $", "&nbsp;").replaceAll("^ ", "&nbsp;");
StringtextToHTML(String text)
text To HTML 
if (text == null) {
    return null;
int length = text.length();
boolean prevSlashR = false;
String out = "";
for (int i = 0; i < length; i++) {
    char ch = text.charAt(i);
...