Java Utililty Methods Class Name Create

List of utility methods to do Class Name Create

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Description

The list of methods to do Class Name Create are organized into topic(s).

Method

StringtoClassName(Class clazz)
to Class Name 
return clazz == null ? null : clazz.getName().replace('$', '.');
StringtoClassName(Enum enumeration)
Pretvara oblik ime iz oblika "SOME_CONSTANT" u oblik "SomeConstant". 
String name = enumeration.name();
StringBuffer s = new StringBuffer(name.length());
boolean lastUnderscore = true;
for (int i = 0; i < name.length(); ++i) {
    if (name.charAt(i) == '_') {
        lastUnderscore = true;
    } else {
        s.append(lastUnderscore ? name.charAt(i) : Character.toLowerCase(name.charAt(i)));
...
StringtoClassName(Object obj)
Returns the name of the class of the object in a short and readable form. 
if (obj == null) {
    return toClassName(Void.class);
return toClassName(obj.getClass());
StringtoClassname(String apparatClassname)
to Classname 
String cn = apparatClassname;
cn = cn.substring(cn.indexOf(';') + 1);
cn = cn.substring(0, cn.indexOf('.'));
cn = cn.replace('/', '.').replace('\\', '.').replace(';', '.');
return cn;
StringtoClassName(String className)
Converts a given string to a valid className (replaces backslashes with .) 
if (null == className || className.isEmpty()) {
    return className;
if (className.startsWith(".") || className.startsWith("/")) {
    className = className.substring(1);
return className.replace("/", ".").replace("\\", ".");
StringtoClassName(String className)
to Class Name 
char c = className.charAt(0);
String head = String.valueOf(c).toUpperCase();
return head + className.substring(1);
StringtoClassName(String className)
to Class Name 
String name = className.replace('.', '/');
if (name.indexOf('$') < 0)
    return name;
String simpleName = getSimpleName(name);
if (simpleName.indexOf('$') < 0)
    return name;
int lastIndex = name.indexOf('$');
return name.substring(0, lastIndex);
...
StringtoClassName(String fileName)
to Class Name 
String className = null;
if (fileName.endsWith(".class")) {
    int index = fileName.lastIndexOf('.');
    className = fileName.substring(0, index);
return className.replace('\\', '.');
StringtoClassName(String fileName)
Convert the Java-class-file-name to the equivalent Java-class-name (dot delimited package name). 
StringBuffer className;
if (fileName == null) {
    throw new IllegalArgumentException("null 'fileName' arg in method call.");
fileName = fileName.trim();
if (fileName.equals("")) {
    throw new IllegalArgumentException("empty 'fileName' arg in method call.");
className = new StringBuffer(fileName);
if (fileName.endsWith(".class") && fileName.length() > 6) {
    className.setLength(className.length() - 6);
for (int i = 0; i < className.length(); i++) {
    if (className.charAt(i) == '/') {
        className.setCharAt(i, '.');
return className.toString();
StringtoClassName(String internalName)
Converts a class's internal name (i.e., using slashes) to Java source code format (i.e., using periods). 
assert isNonBlank(internalName);
return internalName.replace('/', '.');