Java Utililty Methods Class Name Extract

List of utility methods to do Class Name Extract

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Description

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

Method

StringextractClassName(final String classPath)
Extract the class name from the whole class path 
int index = classPath.lastIndexOf('/');
if (index < 0) {
    index = classPath.lastIndexOf('.');
if (index >= 0) {
    return classPath.substring(index + 1);
return classPath;
...
StringextractClassName(final String fullClassName)
Extract the name of a class from the full name (includes packages). 
return extractClassNameWithGeneric(fullClassName).replaceAll("<(.*)>", "");
StringextractClassName(String fullClassName)
extract Class Name 
if (fullClassName == null)
    return null;
int index = fullClassName.lastIndexOf(".");
if (index > 0) {
    return fullClassName.substring(index + 1, fullClassName.length());
} else {
    return fullClassName;
StringextractClassName(String fullElement)
extract Class Name 
return fullElement.substring(0, fullElement.lastIndexOf("."));
StringextractClassName(String fullyQualifiedClassName)
Extracts class name from a fully qualified class name For example, when 'org.wso2.developerStudio.Test' is given as an argument, it will return 'Test' 
int lastIndexOfDot = fullyQualifiedClassName.lastIndexOf(DOT_SEPARATOR);
return fullyQualifiedClassName.substring(++lastIndexOfDot, fullyQualifiedClassName.length());
StringextractClassName(String javaSource)
Extract the class name of the Java source code 
javaSource = javaSource.replaceAll("\t", "    ");
int classIndex = javaSource.indexOf("class ");
if (classIndex == -1)
    throw new IllegalArgumentException("Is not a class!");
int bracketIndex = javaSource.indexOf('{', classIndex);
if (bracketIndex == -1)
    throw new IllegalArgumentException("{ not after class");
classIndex += "class ".length();
...
StringextractClassName(String methodName)
Extracts the class name from a method name. 
try {
    String className = methodName.substring(0, methodName.indexOf('('));
    className = className.substring(0, className.lastIndexOf('.'));
    if (className.indexOf(' ') >= 0) {
        className = className.substring(className.lastIndexOf(' ') + 1, className.length());
    return className;
} catch (Exception e) {
...
StringextractClassName(String qualifiedName)
Extracts the name of a class from the qualified class name. 
int index = qualifiedName.lastIndexOf('.');
String name = qualifiedName;
if (index >= 0) {
    name = qualifiedName.substring(index + 1);
return name;
StringextractClassNameFromArray(final String arrayName)
Extract a class name from an array. 
String cName = arrayName;
if (arrayName.contains("<")) {
    cName = arrayName.substring(arrayName.indexOf('<') + 1, arrayName.indexOf('>'));
} else if (arrayName.contains("[]")) {
    cName = arrayName.substring(0, arrayName.indexOf('['));
return cName;
String[]extractClassNames(Class[] classArray)
extract Class Names 
String[] array = new String[classArray.length];
for (int i = 0; i < classArray.length; i++) {
    array[i] = classArray[i].getName();
return array;