org.springsource.loaded.ri.OriginalClassInvoker Maven / Gradle / Ivy
/*
* Copyright 2010-2012 VMware and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springsource.loaded.ri;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.springsource.loaded.MethodMember;
import org.springsource.loaded.jvm.JVM;
/**
*
* @author Kris De Volder
* @since 0.5.0
*/
public class OriginalClassInvoker extends Invoker {
private Class clazz;
private MethodMember method;
private JavaMethodCache methodCache;
public OriginalClassInvoker(Class clazz, MethodMember methodMember, JavaMethodCache methodCache) {
this.clazz = clazz;
this.method = methodMember;
this.methodCache = methodCache;
}
@Override
public Object invoke(Object target, Object... params) throws IllegalArgumentException, IllegalAccessException,
InvocationTargetException {
Method method = getJavaMethod();
method.setAccessible(true); //Disable access checks, we do our own!
return method.invoke(target, params);
}
@Override
public Method createJavaMethod() {
Method retval = method.cachedMethod;
if (retval == null) {
if (!methodCache.isInitialized()) {
JavaMethodCache.Initializer init = new JavaMethodCache.Initializer();
Method[] methods = clazz.getDeclaredMethods();
for (Method m : methods) {
init.put(m);
}
methodCache.initialize(init);
}
retval = methodCache.get(method);
method.cachedMethod = retval;
if (retval.getModifiers() != method.getModifiers()) {
JVM.setMethodModifiers(retval, method.getModifiers());
}
}
return JVM.copyMethod(retval); // Since we got m from a cache we must copy to give it a fresh 'isAccessible' flag.
}
@Override
public int getModifiers() {
return method.getModifiers();
}
@Override
public String getName() {
return method.getName();
}
@Override
public String getMethodDescriptor() {
return method.getDescriptor();
}
@Override
public String getClassName() {
return clazz.getName();
}
}