/*
* Copyright 2014 NAVER Corp.
* 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 com.navercorp.pinpoint.profiler.objectfactory;
import java.lang.annotation.Annotation;
import java.util.List;
/**
* @author Jongho Moon
*
*/
public class ArgumentsResolver {
private final List<ArgumentProvider> parameterResolvers;
public ArgumentsResolver(List<ArgumentProvider> parameterResolvers) {
this.parameterResolvers = parameterResolvers;
}
public Object[] resolve(Class<?>[] types, Annotation[][] annotations) {
int length = types.length;
Object[] arguments = new Object[length];
for (ArgumentProvider resolver : parameterResolvers) {
if (resolver instanceof JudgingParameterResolver) {
((JudgingParameterResolver)resolver).prepare();
}
}
outer:
for (int i = 0; i < length; i++) {
for (ArgumentProvider resolver : parameterResolvers) {
Option resolved = resolver.get(i, types[i], annotations[i]);
if (resolved.hasValue()) {
arguments[i] = resolved.getValue();
continue outer;
}
}
return null;
}
for (ArgumentProvider resolver : parameterResolvers) {
if (resolver instanceof JudgingParameterResolver) {
if (!((JudgingParameterResolver)resolver).isAcceptable()) {
return null;
}
}
}
return arguments;
}
}