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/*
 * Copyright 2014 Netflix, 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 feign;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.util.Map;

/**
 * Controls reflective method dispatch.
 */
public interface InvocationHandlerFactory {

  InvocationHandler create(Target target, Map dispatch);

  /**
   * Like {@link InvocationHandler#invoke(Object, java.lang.reflect.Method, Object[])}, except for a
   * single method.
   */
  interface MethodHandler {

    Object invoke(Object[] argv) throws Throwable;
  }

  static final class Default implements InvocationHandlerFactory {

    @Override
    public InvocationHandler create(Target target, Map dispatch) {
      return new ReflectiveFeign.FeignInvocationHandler(target, dispatch);
    }
  }
}