Java Utililty Methods Reflection Method Getter Invoke

List of utility methods to do Reflection Method Getter Invoke

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Description

The list of methods to do Reflection Method Getter Invoke are organized into topic(s).

Method

ObjectinvokeGetMethod(Object obj, String getterName)
invoke Get Method 
return obj.getClass().getDeclaredMethod(getterName).invoke(obj);
ObjectinvokeGetter(Method getter, Object object)
invoke Getter 
try {
    getter.setAccessible(true);
    return getter.invoke(object, new Object[0]);
} catch (IllegalAccessException e) {
    throw new IllegalStateException(e);
} catch (InvocationTargetException e) {
    throw new IllegalStateException(e);
TinvokeGetter(Object bean, Method getter)
Invokes a getter method on a given bean 
boolean accessible = getter.isAccessible();
getter.setAccessible(true);
T result = null;
try {
    result = (T) getter.invoke(bean);
} finally {
    getter.setAccessible(accessible);
return result;
ObjectinvokeGetter(Object entity, String propertyName)
Returns the value of a property on an entity based on its name. 
Object result = null;
if (propertyName != null && entity != null) {
    propertyName = propertyName.replaceAll("/", ".");
    Object o = entity;
    String pty = propertyName;
    int index = propertyName.indexOf(".");
    if (index != -1) {
        o = invokeGetter(entity, propertyName.substring(0, index));
...
ObjectinvokeGetter(Object getterOwner, Method method)
invoke Getter 
try {
    return method.invoke(getterOwner);
} catch (Exception e) {
    return null;
ObjectinvokeGetter(Object o, String name, boolean forceAccess)
invoke Getter 
Method getterMtd = o.getClass().getMethod(name, null);
if (forceAccess) {
    getterMtd.setAccessible(true);
return getterMtd.invoke(o, null);
ObjectinvokeGetter(Object obj, String methodName)
invoke Getter 
Method m = obj.getClass().getMethod(methodName, (Class[]) null);
if (m != null) {
    if (m.getExceptionTypes().length != 0) {
        return null;
    } else {
        return m.invoke(obj, (Object[]) null);
return null;
intinvokeGetter(Object obj, String methodName, int defaultValue)
Invokes the specified getter method if it exists. 
try {
    Method method = obj.getClass().getMethod(methodName, new Class[0]);
    Object result = method.invoke(obj, new Object[0]);
    return ((Integer) result).intValue();
} catch (NoSuchMethodException e) {
    return defaultValue;
} catch (IllegalAccessException e) {
    return defaultValue;
...
ObjectinvokeGetter(Object object, String field)
invoke Getter 
Method method = getGetterMethod(object.getClass(), field);
return method.invoke(object);
ObjectinvokeGetter(Object target, Method getter)
call getter and return object. 
RuntimeException re = new RuntimeException("Error trying to get value: " + getter.toString());
Object result = null;
try {
    result = getter.invoke(target, new Object[] {});
} catch (IllegalArgumentException e) {
    re.initCause(e);
    throw re;
} catch (IllegalAccessException e) {
...