Java Utililty Methods String Sanitize

List of utility methods to do String Sanitize

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Description

The list of methods to do String Sanitize are organized into topic(s).

Method

Stringsanitize(String methodHeader)
sanitize 
methodHeader = methodHeader.toLowerCase().trim();
if (methodHeader.startsWith("is")) {
    return methodHeader.substring(2);
if (methodHeader.startsWith("get")) {
    return methodHeader.substring(3);
return methodHeader;
...
Stringsanitize(String mimeType)
sanitize 
for (String accepted : new String[] { "application/json", "text/plain" }) {
    if (accepted.equalsIgnoreCase(mimeType)) {
        return accepted;
return "text/plain";
Stringsanitize(String original)
sanitize 
String cleaned = original.replace("\r", "|").replace("\n", "|").replace("\t", "|");
if (!cleaned.equals(original)) {
    cleaned += SANITIZED_FLAG;
return cleaned;
Stringsanitize(String path)
Sanitizes path by ensuring that path starts with a slash and doesn't have one at the end 
return withLeadingSlash(withoutSlashAtEnd(path));
Stringsanitize(String s)
Sanitizes a string so it can be used as an identifier 
StringBuilder sb = new StringBuilder();
for (int i = 0; i < s.length(); ++i) {
    char c = s.charAt(i);
    switch (c) {
    case '\u00c0':
    case '\u00c1':
    case '\u00c3':
    case '\u00c4':
...
Stringsanitize(String s)
sanitize 
StringBuilder sb = null;
final int limit = s.length();
for (int i = 0; i < limit; i++) {
    char c = s.charAt(i);
    switch (c) {
    case '<':
        if (sb == null) {
            sb = new StringBuilder();
...
Stringsanitize(String s)
Ensures that s is friendly for a URL or file system. 
return s.replace(':', '-').replace('_', '-').replace('.', '-').replace('/', '-').replace('\\', '-');
Stringsanitize(String s, boolean allowColorCodes)
sanitize 
while (s.endsWith("\u00a7"))
    s.substring(0, s.length() - 1);
if (!allowColorCodes)
    s = s.replace('\u00a7', ' ').replace((char) 0x03, ' ').replace((char) 0x02, ' ')
            .replace((char) 0x1D, ' ').replace((char) 0x1F, ' ').replace((char) 0x16, ' ');
s = s.replace('\n', ' ').replace('\r', ' ').replace('\b', ' ').replace('\f', ' ').replace("\t", "    ");
return s;
Stringsanitize(String source)
sanitize 
StringBuilder result = new StringBuilder();
int last = source.length();
for (int i = 0; i < last; i++) {
    char ch = source.charAt(i);
    if (ch >= 'a' && ch <= 'z') {
        result.append(ch);
    } else if (ch >= '0' && ch <= '9') {
        result.append(ch);
...
Stringsanitize(String str)
sanitize 
if (str.length() > MAX_LENGTH) {
    str = str.substring(0, MAX_LENGTH);
if (isPrintableString(str)) {
    return str;
StringBuilder builder = new StringBuilder(str.length());
for (int i = 0; i < str.length(); i++) {
...