Java Utililty Methods Reflection Field Value Set

List of utility methods to do Reflection Field Value Set

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Description

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

Method

voidsetFieldValue(Object host, Field f, Object value)
set Field Value 
f.setAccessible(true);
unsafeSetFieldValue(host, f, value);
ObjectsetFieldValue(Object input, Object value, String fieldName)
set Field Value 
Class searchClass = input.getClass();
while (searchClass != null) {
    Field[] fields = searchClass.getDeclaredFields();
    for (Field field : fields) {
        if (field.getName().equals(fieldName)) {
            field.setAccessible(true);
            if (field.getType().getName().equals("java.lang.Long")) {
                if (value instanceof String) {
...
voidsetFieldValue(Object instance, Field field, Object value)
Sets a field value via reflection. 
try {
    field.set(instance, value);
} catch (IllegalAccessException e) {
    throw new IllegalStateException(e);
voidsetFieldValue(Object instanceContainingField, String fieldName, Object fieldValue)
Sets a value to a field using reflection even if the field is private. 
Class<?> targetClass = instanceContainingField.getClass();
while (targetClass != null) {
    for (Field field : targetClass.getDeclaredFields()) {
        if (field.getName().equalsIgnoreCase(fieldName)) {
            try {
                boolean isAccessible = field.isAccessible();
                try {
                    field.setAccessible(true);
...
voidsetFieldValue(Object o, Class baseClass, Class fieldType, T value)
set Field Value 
if (o == null) {
    throw new NullPointerException();
if (!baseClass.isAssignableFrom(o.getClass())) {
    throw new IllegalArgumentException(
            "Got a " + o.getClass().getName() + " but expected a " + baseClass.getName());
for (Field f : baseClass.getDeclaredFields()) {
...
voidSetFieldValue(Object o, String field, Object object)
Set Field Value 
Field _field = o.getClass().getDeclaredField(field);
_field.setAccessible(true);
_field.set(o, object);
voidsetFieldValue(Object obj, Field f, Object value)
set Field Value 
try {
    boolean accessible = f.isAccessible();
    try {
        f.setAccessible(true);
        f.set(obj, value);
    } finally {
        f.setAccessible(accessible);
} catch (IllegalArgumentException e) {
    throw e;
} catch (IllegalAccessException e) {
    assert false;
voidsetFieldValue(Object obj, Field field, Object value)
set Field Value 
field.setAccessible(true);
field.set(obj, value);
voidsetFieldValue(Object obj, Field field, Object value)
set Field Value 
field.setAccessible(true);
try {
    field.set(obj, value);
} catch (IllegalArgumentException e) {
    throw new RuntimeException("IllegalArgumentException", e);
} catch (IllegalAccessException e) {
    throw new RuntimeException("IllegalAccessExceptione", e);
voidsetFieldValue(Object obj, String field, Object value)
set Field Value 
setFieldValue(obj, getField(obj.getClass(), field), value);