Java Utililty Methods HTML Filter

List of utility methods to do HTML Filter

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Description

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

Method

StringfilterHtml(String body)
filter Html 
if (body == null) {
    return "";
body = body.replace(" ", "&nbsp;").replace("\r", "<BR/>").replace("\n", "<BR/>").replaceAll("<", "&lt;")
        .replaceAll(">", "&gt;").replaceAll("\"", "&quot;").replaceAll("'", "&quot;");
return body;
StringfilterHtml(String input)
* Remove HTML from input string. 
String out = input.replaceAll("<.*?>", "");
out = out.replaceAll(" +", " ");
out = out.replaceAll(",(\\S)", ", $1");
return out;
StringfilterHTML(String input)
filter HTML 
String result = (input == null ? "" : input);
if (input != null && input.length() > 0) {
    StringBuffer filtered = new StringBuffer(input.length());
    char c;
    for (int i = 0; i < input.length(); i++) {
        c = input.charAt(i);
        String s = null;
        switch (c) {
...
StringfilterHTML(String input)
filter HTML 
StringBuffer filtered = new StringBuffer(input.length());
char c;
for (int i = 0; i < input.length(); i++) {
    c = input.charAt(i);
    if (c == '<') {
        filtered.append("&lt;");
    } else if (c == '>') {
        filtered.append("&gt;");
...
StringfilterHTML(String s)
Filters out all HTML tags. 
if (s == null) {
    return null;
s = s.replaceAll("&lt;", "");
s = s.replaceAll("&gt;", "");
s = s.replaceAll("&nbsp;", "");
s = s.replaceAll("(?s)<[Ss][Cc][Rr][Ii][Pp][Tt].*?>.*?</[Ss][Cc][Rr][Ii][Pp][Tt]>", "");
s = s.replaceAll("(?s)<[Ss][Tt][Yy][Ll][Ee].*?>.*?</[Ss][Tt][Yy][Ll][Ee]>", "");
...
StringfilterHtml(String s)
filter Html 
if (s == null) {
    return null;
s = s.replaceAll("&lt;", "");
s = s.replaceAll("&gt;", "");
s = s.replaceAll("&nbsp;", "");
s = s.replaceAll("(?s)<!--.*?-->", "");
return s.replaceAll("(?s)<.*?>", "");
...
StringfilterHtmlAndTruncate(String s)
filter Html And Truncate 
return filterHtmlAndTruncate(s, DEFAULT_MAX_CONTENT_LENGTH);
StringfilterHtmlAndTruncate(String s)
filter Html And Truncate 
return filterHtmlAndTruncate(s, MAX_CONTENT_LENGTH);
StringfilterHtmlTag(String body)
filter Html Tag 
if (body == null) {
    return "";
body = body.replaceAll("FRAME", "");
body = body.replaceAll("frame", "");
body = body.replaceAll("Frame", "");
body = body.replaceAll("APPLET", "");
body = body.replaceAll("applet", "");
...
StringfilterHtmlTag(String content)
filter Html Tag 
boolean flag = true;
StringBuffer stringBuffer = new StringBuffer(2048);
for (int i = 0; i < content.length(); i++) {
    if (content.charAt(i) == '<') {
        flag = false;
        continue;
    if (content.charAt(i) == '>') {
...