1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.volley.mock;
18
19import com.android.volley.Network;
20import com.android.volley.NetworkResponse;
21import com.android.volley.Request;
22import com.android.volley.ServerError;
23import com.android.volley.VolleyError;
24
25public class MockNetwork implements Network {
26    public final static int ALWAYS_THROW_EXCEPTIONS = -1;
27
28    private int mNumExceptionsToThrow = 0;
29    private byte[] mDataToReturn = null;
30
31    /**
32     * @param numExceptionsToThrow number of times to throw an exception or
33     * {@link #ALWAYS_THROW_EXCEPTIONS}
34     */
35    public void setNumExceptionsToThrow(int numExceptionsToThrow) {
36        mNumExceptionsToThrow = numExceptionsToThrow;
37    }
38
39    public void setDataToReturn(byte[] data) {
40        mDataToReturn = data;
41    }
42
43    public Request<?> requestHandled = null;
44
45    @Override
46    public NetworkResponse performRequest(Request<?> request) throws VolleyError {
47        if (mNumExceptionsToThrow > 0 || mNumExceptionsToThrow == ALWAYS_THROW_EXCEPTIONS) {
48            if (mNumExceptionsToThrow != ALWAYS_THROW_EXCEPTIONS) {
49                mNumExceptionsToThrow--;
50            }
51            throw new ServerError();
52        }
53
54        requestHandled = request;
55        return new NetworkResponse(mDataToReturn);
56    }
57
58}
59