org.camunda.bpm.engine.impl.util
Class ReflectUtil

java.lang.Object
  org.camunda.bpm.engine.impl.util.ReflectUtil

public abstract class ReflectUtil
extends Object

Author:

Tom Baeyens

Constructor Summary

ReflectUtil()

Method Summary

static ClassLoader	getClassLoader()
static Field	getField(String fieldName, Class<?> clazz) Returns the field of the given class or null if it doesnt exist.
static Field	getField(String fieldName, Object object) Returns the field of the given object or null if it doesnt exist.
static URL	getResource(String name)
static InputStream	getResourceAsStream(String name)
static Method	getSetter(String fieldName, Class<?> clazz, Class<?> fieldType) Returns the setter-method for the given field name or null if no setter exists.
static Method	getSingleSetter(String fieldName, Class<?> clazz) Returns a setter method based on the fieldName and the java beans setter naming convention or null if none exists.
static Object	instantiate(String className)
static Object	instantiate(String className, Object[] args)
static Object	invoke(Object target, String methodName, Object[] args)
static Class<?>	loadClass(String className)
static void	setField(Field field, Object object, Object value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReflectUtil

public ReflectUtil()

Method Detail

getClassLoader

public static ClassLoader getClassLoader()

loadClass

public static Class<?> loadClass(String className)

getResourceAsStream

public static InputStream getResourceAsStream(String name)

getResource

public static URL getResource(String name)

instantiate

public static Object instantiate(String className)

invoke

public static Object invoke(Object target,
                            String methodName,
                            Object[] args)

getField

public static Field getField(String fieldName,
                             Object object)

Returns the field of the given object or null if it doesnt exist.

getField

public static Field getField(String fieldName,
                             Class<?> clazz)

Returns the field of the given class or null if it doesnt exist.

setField

public static void setField(Field field,
                            Object object,
                            Object value)

getSetter

public static Method getSetter(String fieldName,
                               Class<?> clazz,
                               Class<?> fieldType)

Returns the setter-method for the given field name or null if no setter exists.

getSingleSetter

public static Method getSingleSetter(String fieldName,
                                     Class<?> clazz)

Returns a setter method based on the fieldName and the java beans setter naming convention or null if none exists. If multiple setters with different parameter types are present, an exception is thrown. If they have the same parameter type, one of those methods is returned.

instantiate

public static Object instantiate(String className,
                                 Object[] args)