Java Utililty Methods Reflection Field Find

List of utility methods to do Reflection Field Find

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Description

The list of methods to do Reflection Field Find are organized into topic(s).

Method

FieldfindField(Class clazz, String name)
Attempt to find a Field field on the supplied Class with the supplied name . 
return findField(clazz, name, null);
FieldfindField(Class clazz, String name)
find Field 
return findField(clazz, name, null);
FieldfindField(Class clazz, String name)
searches for declared field in given class and all superclasses 
if (clazz == null) {
    return null;
try {
    return clazz.getDeclaredField(name);
} catch (SecurityException e) {
    return null;
} catch (NoSuchFieldException e) {
...
FieldfindField(Class clazz, String name)
find Field 
return findField(clazz, name, null);
FieldfindField(Class clazz, String name)
Find the field by name. 
if (clazz == null)
    return null;
Field[] fields = clazz.getDeclaredFields();
if (fields.length != 0) {
    for (Field field : fields) {
        if (field.getName().equals(name))
            return field;
return findField(clazz.getSuperclass(), name);
FieldfindField(Class clazz, String name)
Attempt to find a Field field on the supplied Class with the supplied name. 
Class<?> searchType = clazz;
while (searchType != null) {
    Field[] fields = searchType.getDeclaredFields();
    for (Field field : fields) {
        if ((name == null || name.equals(field.getName()))) {
            return field;
    searchType = searchType.getSuperclass();
return null;
FieldfindField(Class clazz, String name)
find Field 
try {
    return clazz.getDeclaredField(name);
} catch (NoSuchFieldException e) {
    if (clazz.getSuperclass() != null) {
        return findField(clazz.getSuperclass(), name);
    return null;
FieldfindField(Class clazz, String name)
find Field 
while (clazz != null) {
    Field f;
    try {
        f = clazz.getField(name);
        if (f != null)
            return f;
    } catch (NoSuchFieldException e) {
    try {
        f = clazz.getDeclaredField(name);
        if (f != null)
            return f;
    } catch (NoSuchFieldException e) {
    clazz = clazz.getSuperclass();
return null;
FieldfindField(Class clazz, String name)
Search a java.lang.reflect.Field given its class and name 
return findField(clazz, name, null);
FieldfindField(Class clazz, String name)
find Field 
Class<?> searchType = clazz;
while (!Object.class.equals(searchType) && searchType != null) {
    Field[] fields = searchType.getDeclaredFields();
    for (Field field : fields) {
        if ((name == null || name.equals(field.getName()))) {
            return field;
    searchType = searchType.getSuperclass();
return null;