commit | author | age
|
93f0b1
|
1 |
/*
|
JM |
2 |
* Copyright 2011 gitblit.com.
|
|
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 |
package com.gitblit.utils;
|
|
17 |
|
|
18 |
import java.io.BufferedReader;
|
31abc2
|
19 |
import java.io.IOException;
|
93f0b1
|
20 |
import java.io.InputStream;
|
JM |
21 |
import java.io.InputStreamReader;
|
|
22 |
import java.io.OutputStream;
|
|
23 |
import java.lang.reflect.Type;
|
|
24 |
import java.net.HttpURLConnection;
|
|
25 |
import java.net.URLConnection;
|
f146f2
|
26 |
import java.text.DateFormat;
|
JM |
27 |
import java.text.ParseException;
|
|
28 |
import java.text.SimpleDateFormat;
|
93f0b1
|
29 |
import java.util.Collection;
|
f146f2
|
30 |
import java.util.Date;
|
JM |
31 |
import java.util.Locale;
|
93f0b1
|
32 |
import java.util.Map;
|
f146f2
|
33 |
import java.util.TimeZone;
|
31abc2
|
34 |
|
20714a
|
35 |
import com.gitblit.Constants.AccessPermission;
|
31abc2
|
36 |
import com.gitblit.GitBlitException.ForbiddenException;
|
8b7636
|
37 |
import com.gitblit.GitBlitException.NotAllowedException;
|
31abc2
|
38 |
import com.gitblit.GitBlitException.UnauthorizedException;
|
b2fde8
|
39 |
import com.gitblit.GitBlitException.UnknownRequestException;
|
93f0b1
|
40 |
import com.gitblit.models.RepositoryModel;
|
JM |
41 |
import com.gitblit.models.UserModel;
|
0f43a5
|
42 |
import com.google.gson.ExclusionStrategy;
|
JM |
43 |
import com.google.gson.FieldAttributes;
|
93f0b1
|
44 |
import com.google.gson.Gson;
|
JM |
45 |
import com.google.gson.GsonBuilder;
|
f146f2
|
46 |
import com.google.gson.JsonDeserializationContext;
|
JM |
47 |
import com.google.gson.JsonDeserializer;
|
|
48 |
import com.google.gson.JsonElement;
|
bd0e83
|
49 |
import com.google.gson.JsonParseException;
|
f146f2
|
50 |
import com.google.gson.JsonPrimitive;
|
JM |
51 |
import com.google.gson.JsonSerializationContext;
|
|
52 |
import com.google.gson.JsonSerializer;
|
|
53 |
import com.google.gson.JsonSyntaxException;
|
93f0b1
|
54 |
import com.google.gson.reflect.TypeToken;
|
JM |
55 |
|
|
56 |
/**
|
31abc2
|
57 |
* Utility methods for json calls to a Gitblit server.
|
699e71
|
58 |
*
|
93f0b1
|
59 |
* @author James Moger
|
699e71
|
60 |
*
|
93f0b1
|
61 |
*/
|
JM |
62 |
public class JsonUtils {
|
|
63 |
|
|
64 |
public static final Type REPOSITORIES_TYPE = new TypeToken<Map<String, RepositoryModel>>() {
|
|
65 |
}.getType();
|
|
66 |
|
|
67 |
public static final Type USERS_TYPE = new TypeToken<Collection<UserModel>>() {
|
|
68 |
}.getType();
|
|
69 |
|
|
70 |
/**
|
|
71 |
* Creates JSON from the specified object.
|
699e71
|
72 |
*
|
93f0b1
|
73 |
* @param o
|
JM |
74 |
* @return json
|
|
75 |
*/
|
|
76 |
public static String toJsonString(Object o) {
|
f146f2
|
77 |
String json = gson().toJson(o);
|
93f0b1
|
78 |
return json;
|
JM |
79 |
}
|
|
80 |
|
|
81 |
/**
|
|
82 |
* Convert a json string to an object of the specified type.
|
bd0e83
|
83 |
*
|
93f0b1
|
84 |
* @param json
|
JM |
85 |
* @param clazz
|
bd0e83
|
86 |
* @return the deserialized object
|
PM |
87 |
* @throws JsonParseException
|
|
88 |
* @throws JsonSyntaxException
|
93f0b1
|
89 |
*/
|
bd0e83
|
90 |
public static <X> X fromJsonString(String json, Class<X> clazz) throws JsonParseException,
|
PM |
91 |
JsonSyntaxException {
|
f146f2
|
92 |
return gson().fromJson(json, clazz);
|
93f0b1
|
93 |
}
|
31abc2
|
94 |
|
93f0b1
|
95 |
/**
|
JM |
96 |
* Convert a json string to an object of the specified type.
|
bd0e83
|
97 |
*
|
93f0b1
|
98 |
* @param json
|
bd0e83
|
99 |
* @param type
|
PM |
100 |
* @return the deserialized object
|
|
101 |
* @throws JsonParseException
|
|
102 |
* @throws JsonSyntaxException
|
93f0b1
|
103 |
*/
|
bd0e83
|
104 |
public static <X> X fromJsonString(String json, Type type) throws JsonParseException,
|
PM |
105 |
JsonSyntaxException {
|
f146f2
|
106 |
return gson().fromJson(json, type);
|
93f0b1
|
107 |
}
|
JM |
108 |
|
|
109 |
/**
|
|
110 |
* Reads a gson object from the specified url.
|
699e71
|
111 |
*
|
93f0b1
|
112 |
* @param url
|
JM |
113 |
* @param type
|
31abc2
|
114 |
* @return the deserialized object
|
JM |
115 |
* @throws {@link IOException}
|
93f0b1
|
116 |
*/
|
31abc2
|
117 |
public static <X> X retrieveJson(String url, Type type) throws IOException,
|
JM |
118 |
UnauthorizedException {
|
|
119 |
return retrieveJson(url, type, null, null);
|
|
120 |
}
|
0f43a5
|
121 |
|
df162c
|
122 |
/**
|
JM |
123 |
* Reads a gson object from the specified url.
|
699e71
|
124 |
*
|
df162c
|
125 |
* @param url
|
JM |
126 |
* @param type
|
|
127 |
* @return the deserialized object
|
|
128 |
* @throws {@link IOException}
|
|
129 |
*/
|
|
130 |
public static <X> X retrieveJson(String url, Class<? extends X> clazz) throws IOException,
|
|
131 |
UnauthorizedException {
|
|
132 |
return retrieveJson(url, clazz, null, null);
|
|
133 |
}
|
31abc2
|
134 |
|
JM |
135 |
/**
|
|
136 |
* Reads a gson object from the specified url.
|
699e71
|
137 |
*
|
31abc2
|
138 |
* @param url
|
JM |
139 |
* @param type
|
|
140 |
* @param username
|
|
141 |
* @param password
|
|
142 |
* @return the deserialized object
|
|
143 |
* @throws {@link IOException}
|
|
144 |
*/
|
|
145 |
public static <X> X retrieveJson(String url, Type type, String username, char[] password)
|
|
146 |
throws IOException {
|
|
147 |
String json = retrieveJsonString(url, username, password);
|
93f0b1
|
148 |
if (StringUtils.isEmpty(json)) {
|
JM |
149 |
return null;
|
|
150 |
}
|
f146f2
|
151 |
return gson().fromJson(json, type);
|
93f0b1
|
152 |
}
|
8b7636
|
153 |
|
da0269
|
154 |
/**
|
JM |
155 |
* Reads a gson object from the specified url.
|
699e71
|
156 |
*
|
da0269
|
157 |
* @param url
|
JM |
158 |
* @param clazz
|
|
159 |
* @param username
|
|
160 |
* @param password
|
|
161 |
* @return the deserialized object
|
|
162 |
* @throws {@link IOException}
|
|
163 |
*/
|
|
164 |
public static <X> X retrieveJson(String url, Class<X> clazz, String username, char[] password)
|
|
165 |
throws IOException {
|
|
166 |
String json = retrieveJsonString(url, username, password);
|
|
167 |
if (StringUtils.isEmpty(json)) {
|
|
168 |
return null;
|
|
169 |
}
|
|
170 |
return gson().fromJson(json, clazz);
|
|
171 |
}
|
93f0b1
|
172 |
|
JM |
173 |
/**
|
|
174 |
* Retrieves a JSON message.
|
699e71
|
175 |
*
|
93f0b1
|
176 |
* @param url
|
JM |
177 |
* @return the JSON message as a string
|
31abc2
|
178 |
* @throws {@link IOException}
|
93f0b1
|
179 |
*/
|
31abc2
|
180 |
public static String retrieveJsonString(String url, String username, char[] password)
|
JM |
181 |
throws IOException {
|
0f43a5
|
182 |
try {
|
565ee0
|
183 |
URLConnection conn = ConnectionUtils.openReadConnection(url, username, password);
|
31abc2
|
184 |
InputStream is = conn.getInputStream();
|
0f43a5
|
185 |
BufferedReader reader = new BufferedReader(new InputStreamReader(is,
|
JM |
186 |
ConnectionUtils.CHARSET));
|
31abc2
|
187 |
StringBuilder json = new StringBuilder();
|
JM |
188 |
char[] buffer = new char[4096];
|
|
189 |
int len = 0;
|
|
190 |
while ((len = reader.read(buffer)) > -1) {
|
|
191 |
json.append(buffer, 0, len);
|
|
192 |
}
|
|
193 |
is.close();
|
|
194 |
return json.toString();
|
|
195 |
} catch (IOException e) {
|
|
196 |
if (e.getMessage().indexOf("401") > -1) {
|
|
197 |
// unauthorized
|
|
198 |
throw new UnauthorizedException(url);
|
|
199 |
} else if (e.getMessage().indexOf("403") > -1) {
|
|
200 |
// requested url is forbidden by the requesting user
|
|
201 |
throw new ForbiddenException(url);
|
8b7636
|
202 |
} else if (e.getMessage().indexOf("405") > -1) {
|
JM |
203 |
// requested url is not allowed by the server
|
|
204 |
throw new NotAllowedException(url);
|
|
205 |
} else if (e.getMessage().indexOf("501") > -1) {
|
|
206 |
// requested url is not recognized by the server
|
|
207 |
throw new UnknownRequestException(url);
|
31abc2
|
208 |
}
|
JM |
209 |
throw e;
|
93f0b1
|
210 |
}
|
JM |
211 |
}
|
|
212 |
|
|
213 |
/**
|
|
214 |
* Sends a JSON message.
|
699e71
|
215 |
*
|
93f0b1
|
216 |
* @param url
|
JM |
217 |
* the url to write to
|
|
218 |
* @param json
|
|
219 |
* the json message to send
|
|
220 |
* @return the http request result code
|
31abc2
|
221 |
* @throws {@link IOException}
|
93f0b1
|
222 |
*/
|
31abc2
|
223 |
public static int sendJsonString(String url, String json) throws IOException {
|
JM |
224 |
return sendJsonString(url, json, null, null);
|
|
225 |
}
|
|
226 |
|
|
227 |
/**
|
|
228 |
* Sends a JSON message.
|
699e71
|
229 |
*
|
31abc2
|
230 |
* @param url
|
JM |
231 |
* the url to write to
|
|
232 |
* @param json
|
|
233 |
* the json message to send
|
|
234 |
* @param username
|
|
235 |
* @param password
|
|
236 |
* @return the http request result code
|
|
237 |
* @throws {@link IOException}
|
|
238 |
*/
|
|
239 |
public static int sendJsonString(String url, String json, String username, char[] password)
|
|
240 |
throws IOException {
|
|
241 |
try {
|
565ee0
|
242 |
byte[] jsonBytes = json.getBytes(ConnectionUtils.CHARSET);
|
JM |
243 |
URLConnection conn = ConnectionUtils.openConnection(url, username, password);
|
|
244 |
conn.setRequestProperty("Content-Type", "text/plain;charset=" + ConnectionUtils.CHARSET);
|
31abc2
|
245 |
conn.setRequestProperty("Content-Length", "" + jsonBytes.length);
|
JM |
246 |
|
|
247 |
// write json body
|
|
248 |
OutputStream os = conn.getOutputStream();
|
|
249 |
os.write(jsonBytes);
|
|
250 |
os.close();
|
|
251 |
|
|
252 |
int status = ((HttpURLConnection) conn).getResponseCode();
|
|
253 |
return status;
|
|
254 |
} catch (IOException e) {
|
|
255 |
if (e.getMessage().indexOf("401") > -1) {
|
|
256 |
// unauthorized
|
|
257 |
throw new UnauthorizedException(url);
|
|
258 |
} else if (e.getMessage().indexOf("403") > -1) {
|
|
259 |
// requested url is forbidden by the requesting user
|
|
260 |
throw new ForbiddenException(url);
|
8b7636
|
261 |
} else if (e.getMessage().indexOf("405") > -1) {
|
JM |
262 |
// requested url is not allowed by the server
|
|
263 |
throw new NotAllowedException(url);
|
b2fde8
|
264 |
} else if (e.getMessage().indexOf("501") > -1) {
|
JM |
265 |
// requested url is not recognized by the server
|
|
266 |
throw new UnknownRequestException(url);
|
31abc2
|
267 |
}
|
JM |
268 |
throw e;
|
|
269 |
}
|
93f0b1
|
270 |
}
|
JM |
271 |
|
f146f2
|
272 |
// build custom gson instance with GMT date serializer/deserializer
|
JM |
273 |
// http://code.google.com/p/google-gson/issues/detail?id=281
|
0f43a5
|
274 |
public static Gson gson(ExclusionStrategy... strategies) {
|
f146f2
|
275 |
GsonBuilder builder = new GsonBuilder();
|
JM |
276 |
builder.registerTypeAdapter(Date.class, new GmtDateTypeAdapter());
|
20714a
|
277 |
builder.registerTypeAdapter(AccessPermission.class, new AccessPermissionTypeAdapter());
|
0f43a5
|
278 |
if (!ArrayUtils.isEmpty(strategies)) {
|
JM |
279 |
builder.setExclusionStrategies(strategies);
|
|
280 |
}
|
f146f2
|
281 |
return builder.create();
|
JM |
282 |
}
|
|
283 |
|
5e3521
|
284 |
public static class GmtDateTypeAdapter implements JsonSerializer<Date>, JsonDeserializer<Date> {
|
f146f2
|
285 |
private final DateFormat dateFormat;
|
JM |
286 |
|
5e3521
|
287 |
public GmtDateTypeAdapter() {
|
f146f2
|
288 |
dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.US);
|
JM |
289 |
dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
|
|
290 |
}
|
|
291 |
|
|
292 |
@Override
|
|
293 |
public synchronized JsonElement serialize(Date date, Type type,
|
|
294 |
JsonSerializationContext jsonSerializationContext) {
|
|
295 |
synchronized (dateFormat) {
|
|
296 |
String dateFormatAsString = dateFormat.format(date);
|
|
297 |
return new JsonPrimitive(dateFormatAsString);
|
|
298 |
}
|
|
299 |
}
|
|
300 |
|
|
301 |
@Override
|
|
302 |
public synchronized Date deserialize(JsonElement jsonElement, Type type,
|
|
303 |
JsonDeserializationContext jsonDeserializationContext) {
|
|
304 |
try {
|
|
305 |
synchronized (dateFormat) {
|
699e71
|
306 |
Date date = dateFormat.parse(jsonElement.getAsString());
|
35a71b
|
307 |
return new Date((date.getTime() / 1000) * 1000);
|
f146f2
|
308 |
}
|
JM |
309 |
} catch (ParseException e) {
|
|
310 |
throw new JsonSyntaxException(jsonElement.getAsString(), e);
|
|
311 |
}
|
93f0b1
|
312 |
}
|
JM |
313 |
}
|
699e71
|
314 |
|
20714a
|
315 |
private static class AccessPermissionTypeAdapter implements JsonSerializer<AccessPermission>, JsonDeserializer<AccessPermission> {
|
JM |
316 |
|
|
317 |
private AccessPermissionTypeAdapter() {
|
|
318 |
}
|
|
319 |
|
|
320 |
@Override
|
|
321 |
public synchronized JsonElement serialize(AccessPermission permission, Type type,
|
|
322 |
JsonSerializationContext jsonSerializationContext) {
|
|
323 |
return new JsonPrimitive(permission.code);
|
|
324 |
}
|
|
325 |
|
|
326 |
@Override
|
|
327 |
public synchronized AccessPermission deserialize(JsonElement jsonElement, Type type,
|
|
328 |
JsonDeserializationContext jsonDeserializationContext) {
|
699e71
|
329 |
return AccessPermission.fromCode(jsonElement.getAsString());
|
20714a
|
330 |
}
|
JM |
331 |
}
|
0f43a5
|
332 |
|
JM |
333 |
public static class ExcludeField implements ExclusionStrategy {
|
|
334 |
|
|
335 |
private Class<?> c;
|
|
336 |
private String fieldName;
|
|
337 |
|
|
338 |
public ExcludeField(String fqfn) throws SecurityException, NoSuchFieldException,
|
|
339 |
ClassNotFoundException {
|
|
340 |
this.c = Class.forName(fqfn.substring(0, fqfn.lastIndexOf(".")));
|
|
341 |
this.fieldName = fqfn.substring(fqfn.lastIndexOf(".") + 1);
|
|
342 |
}
|
|
343 |
|
699e71
|
344 |
@Override
|
0f43a5
|
345 |
public boolean shouldSkipClass(Class<?> arg0) {
|
JM |
346 |
return false;
|
|
347 |
}
|
|
348 |
|
699e71
|
349 |
@Override
|
0f43a5
|
350 |
public boolean shouldSkipField(FieldAttributes f) {
|
JM |
351 |
return (f.getDeclaringClass() == c && f.getName().equals(fieldName));
|
|
352 |
}
|
|
353 |
}
|
93f0b1
|
354 |
}
|