org.jau.lang.ReflectionUtil Class Reference

Utility methods to simplify reflection access. More...

Collaboration diagram for org.jau.lang.ReflectionUtil:

Classes
class	MethodAccessor
	Convenient Method access class. More...

Static Public Member Functions
static boolean	isClassAvailable (final String clazzName, final ClassLoader cl)
	Returns true only if the class could be loaded but w/o class initialization. More...
static final Class<?>	getClass (final String clazzName, final boolean initializeClazz, final ClassLoader cl) throws RuntimeException
	Loads and returns the class or null. More...
static final Method	getMethod (final Class<?> clazz, final String methodName, final Class<?> ... argTypes) throws RuntimeException
static final Method	getMethod (final String clazzName, final boolean initializeClazz, final String methodName, final Class<?>[] argTypes, final ClassLoader cl) throws RuntimeException
static final< R > R	callMethod (final Object instance, final Method method, final Object ... args) throws RuntimeException
static final< R > R	callStaticMethod (final Method method, final Object ... args) throws RuntimeException
static final< R > R	callStaticMethod (final String clazzName, final String methodName, final Class<?>[] argTypes, final Object[] args, final ClassLoader cl) throws RuntimeException

Detailed Description

Utility methods to simplify reflection access.

Definition at line 35 of file ReflectionUtil.java.

Member Function Documentation

callMethod()

static final< R > R org.jau.lang.ReflectionUtil.callMethod ( final Object  instance, final Method  method, final Object ...  args  ) throws RuntimeException

static

Parameters

instance	may be null in case of a static method
method	the method to be called
args	the method arguments

Returns

the methods result, maybe null if void

Exceptions

RuntimeException

if call fails

Definition at line 119 of file ReflectionUtil.java.

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callStaticMethod() [1/2]

static final< R > R org.jau.lang.ReflectionUtil.callStaticMethod ( final Method  method, final Object ...  args  ) throws RuntimeException

static

Parameters

method	the method to be called
args	the method arguments

Returns

the methods result, maybe null if void

Exceptions

RuntimeException

if call fails

Definition at line 145 of file ReflectionUtil.java.

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callStaticMethod() [2/2]

static final< R > R org.jau.lang.ReflectionUtil.callStaticMethod ( final String  clazzName, final String  methodName, final Class<?>[]  argTypes, final Object[]  args, final ClassLoader  cl  ) throws RuntimeException

static

Exceptions

RuntimeException

if the instance can not be created.

Definition at line 154 of file ReflectionUtil.java.

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getClass()

static final Class<?> org.jau.lang.ReflectionUtil.getClass ( final String  clazzName, final boolean  initializeClazz, final ClassLoader  cl  ) throws RuntimeException

static

Loads and returns the class or null.

See also

Class::forName(java.lang.String, boolean, java.lang.ClassLoader)

Definition at line 76 of file ReflectionUtil.java.

getMethod() [1/2]

static final Method org.jau.lang.ReflectionUtil.getMethod ( final Class<?>  clazz, final String  methodName, final Class<?> ...  argTypes  ) throws RuntimeException

static

Exceptions

RuntimeException

if the Method can not be found.

Definition at line 88 of file ReflectionUtil.java.

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getMethod() [2/2]

static final Method org.jau.lang.ReflectionUtil.getMethod ( final String  clazzName, final boolean  initializeClazz, final String  methodName, final Class<?>[]  argTypes, final ClassLoader  cl  ) throws RuntimeException

static

Exceptions

RuntimeException

if the Method can not be found.

Definition at line 101 of file ReflectionUtil.java.

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isClassAvailable()

static boolean org.jau.lang.ReflectionUtil.isClassAvailable ( final String  clazzName, final ClassLoader  cl  )

static

Returns true only if the class could be loaded but w/o class initialization.

Definition at line 56 of file ReflectionUtil.java.

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The documentation for this class was generated from the following file:

• java_base/org/jau/lang/ReflectionUtil.java