Eclipse Xtext 2.39.0 · org.eclipse.xtext.xbase.lib.util.ReflectExtensions

Access	Constructor and Description
public	ReflectExtensions()

Method Summary

Modifier and Type	Method and Description
public <T> T	Returns: the value of the field get(Object the container of the field, not `null` receiver, String the field's name, not `null` fieldName) Retrieves the value of the given accessible field of the given receiver.
private Field	getDeclaredField(Class<?> clazz, String name)
public Object	Returns: the result of the method invocation. `null` if the method was of type void. invoke(Object the method call receiver, not `null` receiver, String the method name, not `null` methodName, Object... the arguments for the method invocation args) Invokes the first accessible method defined on the receiver'c class with the given name and a parameter list compatible to the given arguments.
private boolean	isCompatible(Method candidate, String featureName, Object... args)
public void	set(Object the receiver, never `null` receiver, String the field's name, never `null` fieldName, Object the value to set value) Sets the given value on an the receivers's accessible field with the given name.
private Class<?>	wrapperTypeFor(Class<?> primitive)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

ReflectExtensions	back to summary
public ReflectExtensions()

get back to summary

get	back to summary
public <T> T get(Object receiver, String fieldName) throws SecurityException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException Retrieves the value of the given accessible field of the given receiver. Parameters receiver:Object the container of the field, not `null` fieldName:String the field's name, not `null` Returns:T the value of the field Annotations @SuppressWarnings:unchecked Exceptions SecurityException: see `Class#getField(String)` NoSuchFieldException: see `Class#getField(String)` IllegalArgumentException: see `Field#get(Object)` IllegalAccessException: see `Field#get(Object)`

Retrieves the value of the given accessible field of the given receiver.

Parameters

Returns:T

the value of the field

Annotations

Exceptions

getDeclaredField	back to summary
private Field getDeclaredField(Class<?> clazz, String name) throws NoSuchFieldException

invoke back to summary

invoke	back to summary
public Object invoke(Object receiver, String methodName, Object... args) throws SecurityException, IllegalArgumentException, IllegalAccessException, InvocationTargetException, NoSuchMethodException Invokes the first accessible method defined on the receiver'c class with the given name and a parameter list compatible to the given arguments. Parameters receiver:Object the method call receiver, not `null` methodName:String the method name, not `null` args:Object[] the arguments for the method invocation Returns:Object the result of the method invocation. `null` if the method was of type void. Exceptions SecurityException: see `Class#getMethod(String, Class...)` IllegalArgumentException: see `Method#invoke(Object, Object...)` IllegalAccessException: see `Method#invoke(Object, Object...)` InvocationTargetException: see `Method#invoke(Object, Object...)` NoSuchMethodException: see `Class#getMethod(String, Class...)`

Invokes the first accessible method defined on the receiver'c class with the given name and a parameter list compatible to the given arguments.

Parameters

Returns:Object

the result of the method invocation. null if the method was of type void.

Exceptions

isCompatible	back to summary
private boolean isCompatible(Method candidate, String featureName, Object... args)

set back to summary

set	back to summary
public void set(Object receiver, String fieldName, Object value) throws SecurityException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException Sets the given value on an the receivers's accessible field with the given name. Parameters receiver:Object the receiver, never `null` fieldName:String the field's name, never `null` value:Object the value to set Exceptions SecurityException: see `Class#getField(String)` NoSuchFieldException: see `Class#getField(String)` IllegalArgumentException: see `Field#set(Object, Object)` IllegalAccessException: see `Field#set(Object, Object)`

Sets the given value on an the receivers's accessible field with the given name.

Parameters

Exceptions

wrapperTypeFor	back to summary
private Class<?> wrapperTypeFor(Class<?> primitive)