// Copyright (c) 2009 The Chromium Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

package org.chromium.sdk.internal.protocolparser.dynamicimpl;

import java.lang.reflect.InvocationHandler;

import java.lang.reflect.Method;

import java.util.Map;

/**

 * The implementation of {@link InvocationHandler} for JSON types. It dispatches calls to method

 * handlers from the map.

 */

class JsonInvocationHandler implements InvocationHandler {

  private final ObjectData objectData;

  private final Map<Method, MethodHandler> methodHandlerMap;

  JsonInvocationHandler(ObjectData objectData, Map<Method, MethodHandler> methodHandlerMap) {

    this.objectData = objectData;

    this.methodHandlerMap = methodHandlerMap;

  }

  ObjectData getObjectData() {

    return objectData;

  }

  public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {

    MethodHandler methodHandler = methodHandlerMap.get(method);

    if (methodHandler == null) {

      throw new RuntimeException("No method handler for " + method);

    }

    return methodHandler.handle(proxy, objectData, args);

  }

}