content: /*
   * Copyright (C) 2011 The Android Open Source Project
   *
   * 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.android.volley.mock;
  
  import com.android.volley.Network;
  import com.android.volley.NetworkResponse;
  import com.android.volley.Request;
  import com.android.volley.ServerError;
  import com.android.volley.VolleyError;
  
  public class MockNetwork implements Network {
      public final static int ALWAYS_THROW_EXCEPTIONS = -1;
  
      private int mNumExceptionsToThrow = 0;
      private byte[] mDataToReturn = null;
  
      /**
       * @param numExceptionsToThrow number of times to throw an exception or
       * {@link #ALWAYS_THROW_EXCEPTIONS}
       */
      public void setNumExceptionsToThrow(int numExceptionsToThrow) {
          mNumExceptionsToThrow = numExceptionsToThrow;
      }
  
      public void setDataToReturn(byte[] data) {
          mDataToReturn = data;
      }
  
      public Request<?> requestHandled = null;
  
      @Override
      public NetworkResponse performRequest(Request<?> request) throws VolleyError {
          if (mNumExceptionsToThrow > 0 || mNumExceptionsToThrow == ALWAYS_THROW_EXCEPTIONS) {
              if (mNumExceptionsToThrow != ALWAYS_THROW_EXCEPTIONS) {
                  mNumExceptionsToThrow--;
              }
              throw new ServerError();
          }
  
          requestHandled = request;
          return new NetworkResponse(mDataToReturn);
      }
  
  }
  