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/*
 * Copyright 2009 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.gwt.rpc.client.impl;

import com.google.gwt.core.client.GWT;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.rpc.SerializationException;
import com.google.gwt.user.client.rpc.SerializationStreamReader;
import com.google.gwt.user.client.rpc.SerializationStreamWriter;
import com.google.gwt.user.client.rpc.impl.RemoteServiceProxy;
import com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.ResponseReader;
import com.google.gwt.user.client.rpc.impl.RpcStatsContext;

/**
 * The base type for RPC proxies.
 */
public class RpcServiceProxy extends RemoteServiceProxy {
  private final TypeOverrides typeOverrides;

  protected RpcServiceProxy(String moduleBaseURL,
      String remoteServiceRelativePath, TypeOverrides typeOverrides) {
    super(moduleBaseURL, remoteServiceRelativePath,
        GWT.getPermutationStrongName(), null);
    this.typeOverrides = typeOverrides;
  }

  @Override
  public SerializationStreamReader createStreamReader(String encoded)
      throws SerializationException, RemoteException {
    return ClientWriterFactory.createReader(encoded);
  }

  @Override
  public SerializationStreamWriter createStreamWriter() {
    return new CommandToStringWriter(typeOverrides);
  }

  @Override
  protected  RequestCallback doCreateRequestCallback(
      ResponseReader responseReader, String methodName, RpcStatsContext statsContext,
      AsyncCallback callback) {
    return new RpcCallbackAdapter(this, methodName, statsContext,
        callback);
  }

}