Java Utililty Methods Java String Format

List of utility methods to do Java String Format

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Description

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

Method

StringtoJavaMethodName(String sqlNotation)
Convert name of format THIS_IS_A_NAME to thisIsAName For each letter: if not '_' then convert to lower case and add to output string if '_' then skip letter and add next letter to output string without converting to lower case 
StringBuilder dest = new StringBuilder();
char[] src = sqlNotation.toCharArray();
for (int i = 0; i < src.length; i++) {
    char c = src[i];
    boolean isFirstChar = (i == 0) ? true : false;
    if (isFirstChar || c != '_') {
        dest.append(Character.toLowerCase(c));
    } else {
...
StringtoJavaMethodName(String... words)
to Java Method Name 
StringBuilder buffer = new StringBuilder();
for (String word : words) {
    try {
        buffer.append(word.substring(0, 1).toUpperCase());
        buffer.append(word.substring(1).toLowerCase());
    } catch (IndexOutOfBoundsException ignore) {
return buffer.toString();
StringtoJavaName(String name)
Replace all illegal Java chars by '_'. 
if (name.length() > 0) {
    final StringBuffer result = new StringBuffer();
    char ch = name.charAt(0);
    result.append(Character.isJavaIdentifierStart(ch) ? ch : '_');
    final int n = name.length();
    for (int i = 1; i < n; i++) {
        ch = name.charAt(i);
        result.append(Character.isJavaIdentifierPart(ch) ? ch : '_');
...
StringtoJavaName(String name)
to Java Name 
if (name != null && !"".equals(name)) {
    String rs = "";
    name = name.toLowerCase();
    String[] names = name.split("_");
    for (String string : names) {
        rs += string.substring(0, 1).toUpperCase() + string.substring(1, string.length());
    return rs;
...
StringtoJavaPackageName(String name)
to Java Package Name 
if (name == null || name.isEmpty())
    return "_"; 
String result = null;
for (String part : name.split("\\.")) { 
    if (result == null || result.isEmpty())
        result = toJavaIdentifier(part);
    else
        result = result + "." + toJavaIdentifier(part); 
...
StringtoJavaPath(String path)
to Java Path 
String javaPath = null;
if (path != null) {
    javaPath = path.replace("\\", "/");
return javaPath;
StringtoJavaPath(String path)
to Java Path 
return path.replace('\\', '/');
StringtoJavaPattern(String pattern)
to Java Pattern 
StringBuilder result = new StringBuilder("^");
char metachar[] = { '$', '^', '[', ']', '(', ')', '{', '|', '+', '?', '.', '/' };
for (int i = 0; i < pattern.length(); i++) {
    char ch = pattern.charAt(i);
    boolean isMeta = false;
    for (char aMetachar : metachar) {
        if (ch == aMetachar) {
            result.append("\\").append(String.valueOf(ch));
...
StringtoJavascriptArray(String[][] Vals)
to Javascript Array 
StringBuilder Str = new StringBuilder();
return toJavascriptArray(Str, Vals).toString();
StringtoJavaScriptEncode(String string)
to Java Script Encode 
if (string == null) {
    return "null";
string = string.replaceAll("\"", "\\\\\"");
string = string.replaceAll("\r", "\\\\r");
string = string.replaceAll("\n", "\\\\n");
return "\"" + string + "\"";