| 21478 |
rajender |
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 |
|
|
|
17 |
package com.android.volley.toolbox;
|
|
|
18 |
|
|
|
19 |
import com.android.volley.NetworkResponse;
|
|
|
20 |
import com.android.volley.Request;
|
|
|
21 |
import com.android.volley.Response;
|
|
|
22 |
import com.android.volley.Response.ErrorListener;
|
|
|
23 |
import com.android.volley.Response.Listener;
|
|
|
24 |
import com.android.volley.VolleyLog;
|
|
|
25 |
|
|
|
26 |
import java.io.UnsupportedEncodingException;
|
|
|
27 |
|
|
|
28 |
/**
|
|
|
29 |
* A request for retrieving a T type response body at a given URL that also
|
|
|
30 |
* optionally sends along a JSON body in the request specified.
|
|
|
31 |
*
|
|
|
32 |
* @param <T> JSON type of response expected
|
|
|
33 |
*/
|
|
|
34 |
public abstract class JsonRequest<T> extends Request<T> {
|
|
|
35 |
/** Default charset for JSON request. */
|
|
|
36 |
protected static final String PROTOCOL_CHARSET = "utf-8";
|
|
|
37 |
|
|
|
38 |
/** Content type for request. */
|
|
|
39 |
private static final String PROTOCOL_CONTENT_TYPE =
|
|
|
40 |
String.format("application/json; charset=%s", PROTOCOL_CHARSET);
|
|
|
41 |
|
|
|
42 |
private final Listener<T> mListener;
|
|
|
43 |
private final String mRequestBody;
|
|
|
44 |
|
|
|
45 |
/**
|
|
|
46 |
* Deprecated constructor for a JsonRequest which defaults to GET unless {@link #getPostBody()}
|
|
|
47 |
* or {@link #getPostParams()} is overridden (which defaults to POST).
|
|
|
48 |
*
|
|
|
49 |
* @deprecated Use {@link #JsonRequest(int, String, String, Listener, ErrorListener)}.
|
|
|
50 |
*/
|
|
|
51 |
public JsonRequest(String url, String requestBody, Listener<T> listener,
|
|
|
52 |
ErrorListener errorListener) {
|
|
|
53 |
this(Method.DEPRECATED_GET_OR_POST, url, requestBody, listener, errorListener);
|
|
|
54 |
}
|
|
|
55 |
|
|
|
56 |
public JsonRequest(int method, String url, String requestBody, Listener<T> listener,
|
|
|
57 |
ErrorListener errorListener) {
|
|
|
58 |
super(method, url, errorListener);
|
|
|
59 |
mListener = listener;
|
|
|
60 |
mRequestBody = requestBody;
|
|
|
61 |
}
|
|
|
62 |
|
|
|
63 |
@Override
|
|
|
64 |
protected void deliverResponse(T response) {
|
|
|
65 |
mListener.onResponse(response);
|
|
|
66 |
}
|
|
|
67 |
|
|
|
68 |
@Override
|
|
|
69 |
abstract protected Response<T> parseNetworkResponse(NetworkResponse response);
|
|
|
70 |
|
|
|
71 |
/**
|
|
|
72 |
* @deprecated Use {@link #getBodyContentType()}.
|
|
|
73 |
*/
|
|
|
74 |
@Override
|
|
|
75 |
public String getPostBodyContentType() {
|
|
|
76 |
return getBodyContentType();
|
|
|
77 |
}
|
|
|
78 |
|
|
|
79 |
/**
|
|
|
80 |
* @deprecated Use {@link #getBody()}.
|
|
|
81 |
*/
|
|
|
82 |
@Override
|
|
|
83 |
public byte[] getPostBody() {
|
|
|
84 |
return getBody();
|
|
|
85 |
}
|
|
|
86 |
|
|
|
87 |
@Override
|
|
|
88 |
public String getBodyContentType() {
|
|
|
89 |
return PROTOCOL_CONTENT_TYPE;
|
|
|
90 |
}
|
|
|
91 |
|
|
|
92 |
@Override
|
|
|
93 |
public byte[] getBody() {
|
|
|
94 |
try {
|
|
|
95 |
return mRequestBody == null ? null : mRequestBody.getBytes(PROTOCOL_CHARSET);
|
|
|
96 |
} catch (UnsupportedEncodingException uee) {
|
|
|
97 |
VolleyLog.wtf("Unsupported Encoding while trying to get the bytes of %s using %s",
|
|
|
98 |
mRequestBody, PROTOCOL_CHARSET);
|
|
|
99 |
return null;
|
|
|
100 |
}
|
|
|
101 |
}
|
|
|
102 |
}
|