com.google.inject.internal.MethodAspect Maven / Gradle / Ivy
/*
* Copyright (C) 2006 Google Inc.
*
* 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.google.inject.internal;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.inject.matcher.Matcher;
import com.google.inject.spi.InterceptorBinding;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;
import org.aopalliance.intercept.MethodInterceptor;
/**
* Ties a matcher to a method interceptor.
*
* @author [email protected] (Bob Lee)
*/
final class MethodAspect {
private final Matcher> classMatcher;
private final Matcher methodMatcher;
private final List interceptors;
static MethodAspect fromBinding(InterceptorBinding binding) {
return new MethodAspect(
binding.getClassMatcher(), binding.getMethodMatcher(), binding.getInterceptors());
}
/**
* @param classMatcher matches classes the interceptor should apply to. For example: {@code
* only(Runnable.class)}.
* @param methodMatcher matches methods the interceptor should apply to. For example: {@code
* annotatedWith(Transactional.class)}.
* @param interceptors to apply
*/
MethodAspect(
Matcher> classMatcher,
Matcher methodMatcher,
List interceptors) {
this.classMatcher = checkNotNull(classMatcher, "class matcher");
this.methodMatcher = checkNotNull(methodMatcher, "method matcher");
this.interceptors = checkNotNull(interceptors, "interceptors");
}
MethodAspect(
Matcher> classMatcher,
Matcher methodMatcher,
MethodInterceptor... interceptors) {
this(classMatcher, methodMatcher, Arrays.asList(interceptors));
}
boolean matches(Class clazz) {
return classMatcher.matches(clazz);
}
boolean matches(Method method) {
return methodMatcher.matches(method);
}
List interceptors() {
return interceptors;
}
}