Java Utililty Methods Object Create

T as(Class clazz, I instance)
as

return clazz.cast(instance);

T as(Class cls, Object o)
Returns the specified object as the specified class or returns null if the cast is not supported.

if (cls.isInstance(o)) {
 return cls.cast(o);
return null;

T as(Class t, Object o)
as

return t.isInstance(o) ? t.cast(o) : null;

T as(Class targetClass, Object entity)
Casts entity to targetClass or return null, if it is impossible

T result = null;
if ((entity != null) && targetClass.isAssignableFrom(entity.getClass())) {
 result = (T) entity;
return result;

T as(Class type, Object value)
as

if (type.isInstance(value)) {
 return type.cast(value);
return null;

T as(Class type, U o)
if o is of the given type, returns o cast to it; otherwise returns null.

if (type.isInstance(o)) {
 return (T) o;
return null;

T as(Object cst)
as

return (T) cst;

T as(Object instance, Class clazz)
as

if (clazz.isAssignableFrom(instance.getClass())) {
 return clazz.cast(instance);
return null;

T as(Object o)
as

return (T) o;

T as(Object o, Class clazz)
Attempts to cast to the specified type, returns null if not castable.

if (o == null)
 return null;
if (!clazz.isAssignableFrom(o.getClass()))
 return null;
return (T) o;