public final class ReflectionUtils extends Object
Modifier and Type | Field and Description |
---|---|
static Method |
OBJECT_EQUALS |
static Method |
OBJECT_FINALIZE |
static Method |
OBJECT_HASHCODE |
static Method |
OBJECT_TOSTRING |
Modifier and Type | Method and Description |
---|---|
static Method |
findMethod(Class<?> clazz,
String name)
Attempt to find a
Method on the supplied class with the supplied
name and no parameters. |
static Method |
findMethod(Class<?> clazz,
String name,
Class<?>... paramTypes)
Attempt to find a
Method on the supplied class with the supplied
name and parameter types. |
static <T> Constructor<T> |
getConstructor(Class<T> clazz,
Object... objs)
Returns a constructor that contains
objs as arguments. |
static Method |
getDeclaredMethod(Class<?> clazz,
String name,
Class<?>[] paramTypes)
Basically calls getDeclaredMethod on a Class but wraps the
NoSuchMethodException into a Runtime.
|
public static final Method OBJECT_EQUALS
public static final Method OBJECT_HASHCODE
public static final Method OBJECT_TOSTRING
public static final Method OBJECT_FINALIZE
public static Method findMethod(Class<?> clazz, String name)
Method
on the supplied class with the supplied
name and no parameters. Searches all superclasses up to
Object
.
Returns null
if no Method
can be found.
clazz
- the class to introspectname
- the name of the methodnull
if none foundpublic static Method findMethod(Class<?> clazz, String name, Class<?>... paramTypes)
Method
on the supplied class with the supplied
name and parameter types. Searches all superclasses up to
Object
.
Returns null
if no Method
can be found.
clazz
- the class to introspectname
- the name of the methodparamTypes
- the parameter types of the method (may be null
to
indicate any signature)null
if none foundpublic static <T> Constructor<T> getConstructor(Class<T> clazz, Object... objs) throws NoSuchMethodException
objs
as arguments.
We could not do something like clazz.getConstructor(objs.class())
because that would require casting all the passed arguments to the exact
parameter types of the desired constructor.
T
- type of the class searchedclazz
- class on which we are searching the constructorobjs
- list of arguments of the constructorobjs
NoSuchMethodException
- when the constructor with args
does not exist or is
ambiguouspublic static Method getDeclaredMethod(Class<?> clazz, String name, Class<?>[] paramTypes)
clazz
- class on which the getDeclaredMethod is calledname
- method nameparamTypes
- method parametersCopyright © 2001–2014 EasyMock contributors. All rights reserved.