mockit.internal.expectations.invocation.DelegatedResult Maven / Gradle / Ivy
/*
* Copyright (c) 2006-2012 Rogério Liesenfeld
* This file is subject to the terms of the MIT license (see LICENSE.txt).
*/
package mockit.internal.expectations.invocation;
import java.lang.reflect.*;
import mockit.*;
import mockit.external.asm4.Type;
import mockit.internal.util.*;
final class DelegatedResult extends DynamicInvocationResult
{
DelegatedResult(Delegate delegate)
{
super(delegate, findDelegateMethodIfSingle(delegate));
}
private static Method findDelegateMethodIfSingle(Delegate delegate)
{
Method[] declaredMethods = delegate.getClass().getDeclaredMethods();
return declaredMethods.length == 1 ? declaredMethods[0] : null;
}
@Override
Object produceResult(
Object invokedObject, ExpectedInvocation invocation, InvocationConstraints constraints, Object[] args)
throws Throwable
{
if (methodToInvoke == null) {
String methodName = adaptNameAndArgumentsForDelegate(invocation, args);
methodToInvoke = findCompatibleMethod(targetObject.getClass(), methodName, args);
determineWhetherMethodToInvokeHasInvocationParameter();
}
return invokeMethodOnTargetObject(invokedObject, invocation, constraints, args);
}
private String adaptNameAndArgumentsForDelegate(ExpectedInvocation invocation, Object[] args)
{
String methodNameAndDesc = invocation.getMethodNameAndDescription();
int leftParen = methodNameAndDesc.indexOf('(');
replaceNullArgumentsWithClassObjectsIfAny(methodNameAndDesc, leftParen, args);
String methodName = methodNameAndDesc.substring(0, leftParen);
if ("".equals(methodName)) {
methodName = "$init";
}
return methodName;
}
private void replaceNullArgumentsWithClassObjectsIfAny(String methodNameAndDesc, int leftParen, Object[] args)
{
Type[] argTypes = null;
for (int i = 0; i < args.length; i++) {
if (args[i] == null) {
if (argTypes == null) {
String methodDesc = methodNameAndDesc.substring(leftParen);
argTypes = Type.getArgumentTypes(methodDesc);
}
args[i] = TypeDescriptor.getClassForType(argTypes[i]);
}
}
}
private Method findCompatibleMethod(Class theClass, String methodName, Object[] args)
{
Class[] argTypes = ParameterReflection.getArgumentTypesFromArgumentValues(args);
return MethodReflection.findCompatibleMethod(theClass, methodName, argTypes);
}
}