proguard.evaluation.value

Class ReflectiveMethodCallUtil

java.lang.Object

proguard.evaluation.value.ReflectiveMethodCallUtil

public class ReflectiveMethodCallUtil
extends java.lang.Object

This ReflectiveMethodCallUtil can execute a method call on a given class reflectively. If the call fails, a RuntimeException is thrown, otherwise, a new Value is returned using the given factory.

Constructor Summary

Constructors

Constructor and Description
ReflectiveMethodCallUtil()

Method Summary

Modifier and Type	Method and Description
static java.lang.Object	callConstructor(java.lang.String className, java.lang.Class<?>[] parameterClasses, java.lang.Object[] parameterObjects) Reflectively call the constructor of className with the given parameters.
static java.lang.Object	callMethod(java.lang.String className, java.lang.String methodName, java.lang.Object instance, java.lang.Class<?>[] parameterClasses, java.lang.Object[] parameterObjects) Reflectively call the method on the given instance.
static java.lang.Class<?>	getClassForPrimitive(char internalPrimitiveType) Returns the Class for the given primitive type.
static java.lang.Object	getObjectForValue(Value value, java.lang.Class<?> expectedType) Extract the Object from the given Value.
static java.lang.Class<?>[]	stringtypesToClasses(java.lang.String descriptor) Reflectively converts a method descriptor to a list of Classes representing this String.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReflectiveMethodCallUtil

public ReflectiveMethodCallUtil()

Method Detail

stringtypesToClasses

public static java.lang.Class<?>[] stringtypesToClasses(java.lang.String descriptor)
                                                 throws java.lang.ClassNotFoundException

Reflectively converts a method descriptor to a list of Classes representing this String.

Throws:

java.lang.ClassNotFoundException - if one of the referenced classes (as string) is not part of the current class pool.

getObjectForValue

public static java.lang.Object getObjectForValue(Value value,
                                                 java.lang.Class<?> expectedType)

Extract the Object from the given Value.

Parameters:

value - the value holding the object.

expectedType - the class the returned object should be.

Returns:

an object extracted from the value, or null if it could not be extracted.

getClassForPrimitive

public static java.lang.Class<?> getClassForPrimitive(char internalPrimitiveType)

Returns the Class for the given primitive type.

callConstructor

public static java.lang.Object callConstructor(java.lang.String className,
                                               java.lang.Class<?>[] parameterClasses,
                                               java.lang.Object[] parameterObjects)
                                        throws java.lang.ClassNotFoundException,
                                               java.lang.NoSuchMethodException,
                                               java.lang.IllegalAccessException,
                                               java.lang.reflect.InvocationTargetException,
                                               java.lang.InstantiationException

Reflectively call the constructor of className with the given parameters.

Throws:

java.lang.ClassNotFoundException

java.lang.NoSuchMethodException

java.lang.IllegalAccessException

java.lang.reflect.InvocationTargetException

java.lang.InstantiationException

callMethod

public static java.lang.Object callMethod(java.lang.String className,
                                          java.lang.String methodName,
                                          java.lang.Object instance,
                                          java.lang.Class<?>[] parameterClasses,
                                          java.lang.Object[] parameterObjects)
                                   throws java.lang.reflect.InvocationTargetException,
                                          java.lang.IllegalAccessException,
                                          java.lang.NoSuchMethodException,
                                          java.lang.ClassNotFoundException

Reflectively call the method on the given instance. Instance can be null for static methods.

Throws:

java.lang.reflect.InvocationTargetException

java.lang.IllegalAccessException

java.lang.NoSuchMethodException

java.lang.ClassNotFoundException