https://github.com/google/guice/guice: Guice is a lightweight dependency injection framework for Java 6 and above (Google, Inc.) 
/*
 * Copyright (C) 2008 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 com.google.inject.spi.InterceptorBinding;


Handles Binder.bindInterceptor commands. 
Author:crazybob@google.com (Bob Lee), jessewilson@google.com (Jesse Wilson)
/**
 * Handles {@code Binder.bindInterceptor} commands.
 *
 * @author crazybob@google.com (Bob Lee)
 * @author jessewilson@google.com (Jesse Wilson)
 */
final class InterceptorBindingProcessor extends AbstractProcessor {

  InterceptorBindingProcessor(Errors errors) {
    super(errors);
  }

  @Override
  public Boolean visit(InterceptorBinding command) {
    injector.state.addMethodAspect(
        new MethodAspect(
            command.getClassMatcher(), command.getMethodMatcher(), command.getInterceptors()));
    return true;
  }
}