1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.tools;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
5 |
|
---|
6 | import java.io.BufferedOutputStream;
|
---|
7 | import java.io.BufferedReader;
|
---|
8 | import java.io.IOException;
|
---|
9 | import java.io.InputStream;
|
---|
10 | import java.io.OutputStream;
|
---|
11 | import java.net.HttpRetryException;
|
---|
12 | import java.net.HttpURLConnection;
|
---|
13 | import java.net.URL;
|
---|
14 | import java.util.List;
|
---|
15 | import java.util.Map;
|
---|
16 | import java.util.Scanner;
|
---|
17 | import java.util.TreeMap;
|
---|
18 | import java.util.regex.Matcher;
|
---|
19 | import java.util.regex.Pattern;
|
---|
20 | import java.util.zip.GZIPInputStream;
|
---|
21 |
|
---|
22 | import org.openstreetmap.josm.Main;
|
---|
23 | import org.openstreetmap.josm.data.Version;
|
---|
24 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
|
---|
25 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
|
---|
26 | import org.openstreetmap.josm.io.Compression;
|
---|
27 | import org.openstreetmap.josm.io.ProgressInputStream;
|
---|
28 | import org.openstreetmap.josm.io.ProgressOutputStream;
|
---|
29 | import org.openstreetmap.josm.io.UTFInputStreamReader;
|
---|
30 |
|
---|
31 | /**
|
---|
32 | * Provides a uniform access for a HTTP/HTTPS server. This class should be used in favour of {@link HttpURLConnection}.
|
---|
33 | * @since 9168
|
---|
34 | */
|
---|
35 | public final class HttpClient {
|
---|
36 |
|
---|
37 | private URL url;
|
---|
38 | private final String requestMethod;
|
---|
39 | private int connectTimeout = Main.pref.getInteger("socket.timeout.connect", 15) * 1000;
|
---|
40 | private int readTimeout = Main.pref.getInteger("socket.timeout.read", 30) * 1000;
|
---|
41 | private byte[] requestBody;
|
---|
42 | private long ifModifiedSince;
|
---|
43 | private long contentLength;
|
---|
44 | private final Map<String, String> headers = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
|
---|
45 | private int maxRedirects = Main.pref.getInteger("socket.maxredirects", 5);
|
---|
46 | private boolean useCache;
|
---|
47 | private String reasonForRequest;
|
---|
48 |
|
---|
49 | private HttpClient(URL url, String requestMethod) {
|
---|
50 | this.url = url;
|
---|
51 | this.requestMethod = requestMethod;
|
---|
52 | this.headers.put("Accept-Encoding", "gzip");
|
---|
53 | }
|
---|
54 |
|
---|
55 | /**
|
---|
56 | * Opens the HTTP connection.
|
---|
57 | * @return HTTP response
|
---|
58 | * @throws IOException if any I/O error occurs
|
---|
59 | */
|
---|
60 | public Response connect() throws IOException {
|
---|
61 | return connect(null);
|
---|
62 | }
|
---|
63 |
|
---|
64 | /**
|
---|
65 | * Opens the HTTP connection.
|
---|
66 | * @param progressMonitor progress monitor
|
---|
67 | * @return HTTP response
|
---|
68 | * @throws IOException if any I/O error occurs
|
---|
69 | * @since 9179
|
---|
70 | */
|
---|
71 | public Response connect(ProgressMonitor progressMonitor) throws IOException {
|
---|
72 | if (progressMonitor == null) {
|
---|
73 | progressMonitor = NullProgressMonitor.INSTANCE;
|
---|
74 | }
|
---|
75 | final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
|
---|
76 | connection.setRequestMethod(requestMethod);
|
---|
77 | connection.setRequestProperty("User-Agent", Version.getInstance().getFullAgentString());
|
---|
78 | connection.setConnectTimeout(connectTimeout);
|
---|
79 | connection.setReadTimeout(readTimeout);
|
---|
80 | connection.setInstanceFollowRedirects(maxRedirects > 0);
|
---|
81 | if (ifModifiedSince > 0) {
|
---|
82 | connection.setIfModifiedSince(ifModifiedSince);
|
---|
83 | }
|
---|
84 | if (contentLength > 0) {
|
---|
85 | connection.setFixedLengthStreamingMode(contentLength);
|
---|
86 | }
|
---|
87 | connection.setUseCaches(useCache);
|
---|
88 | if (!useCache) {
|
---|
89 | connection.setRequestProperty("Cache-Control", "no-cache");
|
---|
90 | }
|
---|
91 | for (Map.Entry<String, String> header : headers.entrySet()) {
|
---|
92 | if (header.getValue() != null) {
|
---|
93 | connection.setRequestProperty(header.getKey(), header.getValue());
|
---|
94 | }
|
---|
95 | }
|
---|
96 |
|
---|
97 | progressMonitor.beginTask(tr("Contacting Server..."), 1);
|
---|
98 | progressMonitor.indeterminateSubTask(null);
|
---|
99 |
|
---|
100 | if ("PUT".equals(requestMethod) || "POST".equals(requestMethod) || "DELETE".equals(requestMethod)) {
|
---|
101 | Main.info("{0} {1} ({2} kB) ...", requestMethod, url, requestBody.length / 1024);
|
---|
102 | headers.put("Content-Length", String.valueOf(requestBody.length));
|
---|
103 | connection.setDoOutput(true);
|
---|
104 | try (OutputStream out = new BufferedOutputStream(
|
---|
105 | new ProgressOutputStream(connection.getOutputStream(), requestBody.length, progressMonitor))) {
|
---|
106 | out.write(requestBody);
|
---|
107 | }
|
---|
108 | }
|
---|
109 |
|
---|
110 | boolean successfulConnection = false;
|
---|
111 | try {
|
---|
112 | try {
|
---|
113 | connection.connect();
|
---|
114 | final boolean hasReason = reasonForRequest != null && !reasonForRequest.isEmpty();
|
---|
115 | Main.info("{0} {1}{2} -> {3}{4}",
|
---|
116 | requestMethod, url, hasReason ? " (" + reasonForRequest + ")" : "",
|
---|
117 | connection.getResponseCode(),
|
---|
118 | connection.getContentLengthLong() > 0 ? " (" + connection.getContentLengthLong() / 1024 + "KB)" : ""
|
---|
119 | );
|
---|
120 | if (Main.isDebugEnabled()) {
|
---|
121 | Main.debug("RESPONSE: " + connection.getHeaderFields());
|
---|
122 | }
|
---|
123 | } catch (IOException e) {
|
---|
124 | Main.info("{0} {1} -> !!!", requestMethod, url);
|
---|
125 | Main.warn(e);
|
---|
126 | //noinspection ThrowableResultOfMethodCallIgnored
|
---|
127 | Main.addNetworkError(url, Utils.getRootCause(e));
|
---|
128 | throw e;
|
---|
129 | }
|
---|
130 | if (isRedirect(connection.getResponseCode())) {
|
---|
131 | final String redirectLocation = connection.getHeaderField("Location");
|
---|
132 | if (redirectLocation == null) {
|
---|
133 | /* I18n: argument is HTTP response code */
|
---|
134 | String msg = tr("Unexpected response from HTTP server. Got {0} response without ''Location'' header." +
|
---|
135 | " Can''t redirect. Aborting.", connection.getResponseCode());
|
---|
136 | throw new IOException(msg);
|
---|
137 | } else if (maxRedirects > 0) {
|
---|
138 | url = new URL(redirectLocation);
|
---|
139 | maxRedirects--;
|
---|
140 | Main.info(tr("Download redirected to ''{0}''", redirectLocation));
|
---|
141 | return connect();
|
---|
142 | } else if (maxRedirects == 0) {
|
---|
143 | String msg = tr("Too many redirects to the download URL detected. Aborting.");
|
---|
144 | throw new IOException(msg);
|
---|
145 | }
|
---|
146 | }
|
---|
147 | Response response = new Response(connection, progressMonitor);
|
---|
148 | successfulConnection = true;
|
---|
149 | return response;
|
---|
150 | } finally {
|
---|
151 | if (!successfulConnection) {
|
---|
152 | connection.disconnect();
|
---|
153 | }
|
---|
154 | }
|
---|
155 | }
|
---|
156 |
|
---|
157 | /**
|
---|
158 | * A wrapper for the HTTP response.
|
---|
159 | */
|
---|
160 | public static final class Response {
|
---|
161 | private final HttpURLConnection connection;
|
---|
162 | private final ProgressMonitor monitor;
|
---|
163 | private final int responseCode;
|
---|
164 | private final String responseMessage;
|
---|
165 | private boolean uncompress;
|
---|
166 | private boolean uncompressAccordingToContentDisposition;
|
---|
167 |
|
---|
168 | private Response(HttpURLConnection connection, ProgressMonitor monitor) throws IOException {
|
---|
169 | CheckParameterUtil.ensureParameterNotNull(connection, "connection");
|
---|
170 | CheckParameterUtil.ensureParameterNotNull(monitor, "monitor");
|
---|
171 | this.connection = connection;
|
---|
172 | this.monitor = monitor;
|
---|
173 | this.responseCode = connection.getResponseCode();
|
---|
174 | this.responseMessage = connection.getResponseMessage();
|
---|
175 | }
|
---|
176 |
|
---|
177 | /**
|
---|
178 | * Sets whether {@link #getContent()} should uncompress the input stream if necessary.
|
---|
179 | *
|
---|
180 | * @param uncompress whether the input stream should be uncompressed if necessary
|
---|
181 | * @return {@code this}
|
---|
182 | */
|
---|
183 | public Response uncompress(boolean uncompress) {
|
---|
184 | this.uncompress = uncompress;
|
---|
185 | return this;
|
---|
186 | }
|
---|
187 |
|
---|
188 | /**
|
---|
189 | * Sets whether {@link #getContent()} should uncompress the input stream according to {@code Content-Disposition}
|
---|
190 | * HTTP header.
|
---|
191 | * @param uncompressAccordingToContentDisposition whether the input stream should be uncompressed according to
|
---|
192 | * {@code Content-Disposition}
|
---|
193 | * @return {@code this}
|
---|
194 | * @since 9172
|
---|
195 | */
|
---|
196 | public Response uncompressAccordingToContentDisposition(boolean uncompressAccordingToContentDisposition) {
|
---|
197 | this.uncompressAccordingToContentDisposition = uncompressAccordingToContentDisposition;
|
---|
198 | return this;
|
---|
199 | }
|
---|
200 |
|
---|
201 | /**
|
---|
202 | * Returns the URL.
|
---|
203 | * @return the URL
|
---|
204 | * @see HttpURLConnection#getURL()
|
---|
205 | * @since 9172
|
---|
206 | */
|
---|
207 | public URL getURL() {
|
---|
208 | return connection.getURL();
|
---|
209 | }
|
---|
210 |
|
---|
211 | /**
|
---|
212 | * Returns the request method.
|
---|
213 | * @return the HTTP request method
|
---|
214 | * @see HttpURLConnection#getRequestMethod()
|
---|
215 | * @since 9172
|
---|
216 | */
|
---|
217 | public String getRequestMethod() {
|
---|
218 | return connection.getRequestMethod();
|
---|
219 | }
|
---|
220 |
|
---|
221 | /**
|
---|
222 | * Returns an input stream that reads from this HTTP connection, or,
|
---|
223 | * error stream if the connection failed but the server sent useful data.
|
---|
224 | * <p>
|
---|
225 | * Note: the return value can be null, if both the input and the error stream are null.
|
---|
226 | * Seems to be the case if the OSM server replies a 401 Unauthorized, see #3887
|
---|
227 | * @return input or error stream
|
---|
228 | * @throws IOException if any I/O error occurs
|
---|
229 | *
|
---|
230 | * @see HttpURLConnection#getInputStream()
|
---|
231 | * @see HttpURLConnection#getErrorStream()
|
---|
232 | */
|
---|
233 | @SuppressWarnings("resource")
|
---|
234 | public InputStream getContent() throws IOException {
|
---|
235 | InputStream in;
|
---|
236 | try {
|
---|
237 | in = connection.getInputStream();
|
---|
238 | } catch (IOException ioe) {
|
---|
239 | in = connection.getErrorStream();
|
---|
240 | }
|
---|
241 | if (in != null) {
|
---|
242 | in = new ProgressInputStream(in, getContentLength(), monitor);
|
---|
243 | in = "gzip".equalsIgnoreCase(getContentEncoding()) ? new GZIPInputStream(in) : in;
|
---|
244 | Compression compression = Compression.NONE;
|
---|
245 | if (uncompress) {
|
---|
246 | final String contentType = getContentType();
|
---|
247 | Main.debug("Uncompressing input stream according to Content-Type header: {0}", contentType);
|
---|
248 | compression = Compression.forContentType(contentType);
|
---|
249 | }
|
---|
250 | if (uncompressAccordingToContentDisposition && Compression.NONE.equals(compression)) {
|
---|
251 | final String contentDisposition = getHeaderField("Content-Disposition");
|
---|
252 | final Matcher matcher = Pattern.compile("filename=\"([^\"]+)\"").matcher(contentDisposition);
|
---|
253 | if (matcher.find()) {
|
---|
254 | Main.debug("Uncompressing input stream according to Content-Disposition header: {0}", contentDisposition);
|
---|
255 | compression = Compression.byExtension(matcher.group(1));
|
---|
256 | }
|
---|
257 | }
|
---|
258 | in = compression.getUncompressedInputStream(in);
|
---|
259 | }
|
---|
260 | return in;
|
---|
261 | }
|
---|
262 |
|
---|
263 | /**
|
---|
264 | * Returns {@link #getContent()} wrapped in a buffered reader.
|
---|
265 | *
|
---|
266 | * Detects Unicode charset in use utilizing {@link UTFInputStreamReader}.
|
---|
267 | * @return buffered reader
|
---|
268 | * @throws IOException if any I/O error occurs
|
---|
269 | */
|
---|
270 | public BufferedReader getContentReader() throws IOException {
|
---|
271 | return new BufferedReader(
|
---|
272 | UTFInputStreamReader.create(getContent())
|
---|
273 | );
|
---|
274 | }
|
---|
275 |
|
---|
276 | /**
|
---|
277 | * Fetches the HTTP response as String.
|
---|
278 | * @return the response
|
---|
279 | * @throws IOException if any I/O error occurs
|
---|
280 | */
|
---|
281 | @SuppressWarnings("resource")
|
---|
282 | public String fetchContent() throws IOException {
|
---|
283 | try (Scanner scanner = new Scanner(getContentReader()).useDelimiter("\\A")) {
|
---|
284 | return scanner.hasNext() ? scanner.next() : "";
|
---|
285 | }
|
---|
286 | }
|
---|
287 |
|
---|
288 | /**
|
---|
289 | * Gets the response code from this HTTP connection.
|
---|
290 | * @return HTTP response code
|
---|
291 | *
|
---|
292 | * @see HttpURLConnection#getResponseCode()
|
---|
293 | */
|
---|
294 | public int getResponseCode() {
|
---|
295 | return responseCode;
|
---|
296 | }
|
---|
297 |
|
---|
298 | /**
|
---|
299 | * Gets the response message from this HTTP connection.
|
---|
300 | * @return HTTP response message
|
---|
301 | *
|
---|
302 | * @see HttpURLConnection#getResponseMessage()
|
---|
303 | * @since 9172
|
---|
304 | */
|
---|
305 | public String getResponseMessage() {
|
---|
306 | return responseMessage;
|
---|
307 | }
|
---|
308 |
|
---|
309 | /**
|
---|
310 | * Returns the {@code Content-Encoding} header.
|
---|
311 | * @return {@code Content-Encoding} HTTP header
|
---|
312 | */
|
---|
313 | public String getContentEncoding() {
|
---|
314 | return connection.getContentEncoding();
|
---|
315 | }
|
---|
316 |
|
---|
317 | /**
|
---|
318 | * Returns the {@code Content-Type} header.
|
---|
319 | * @return {@code Content-Type} HTTP header
|
---|
320 | */
|
---|
321 | public String getContentType() {
|
---|
322 | return connection.getHeaderField("Content-Type");
|
---|
323 | }
|
---|
324 |
|
---|
325 | /**
|
---|
326 | * Returns the {@code Content-Length} header.
|
---|
327 | * @return {@code Content-Length} HTTP header
|
---|
328 | */
|
---|
329 | public long getContentLength() {
|
---|
330 | return connection.getContentLengthLong();
|
---|
331 | }
|
---|
332 |
|
---|
333 | /**
|
---|
334 | * Returns the value of the named header field.
|
---|
335 | * @param name the name of a header field
|
---|
336 | * @return the value of the named header field, or {@code null} if there is no such field in the header
|
---|
337 | * @see HttpURLConnection#getHeaderField(String)
|
---|
338 | * @since 9172
|
---|
339 | */
|
---|
340 | public String getHeaderField(String name) {
|
---|
341 | return connection.getHeaderField(name);
|
---|
342 | }
|
---|
343 |
|
---|
344 | /**
|
---|
345 | * Returns the list of Strings that represents the named header field values.
|
---|
346 | * @param name the name of a header field
|
---|
347 | * @return unmodifiable List of Strings that represents the corresponding field values
|
---|
348 | * @see HttpURLConnection#getHeaderFields()
|
---|
349 | * @since 9172
|
---|
350 | */
|
---|
351 | public List<String> getHeaderFields(String name) {
|
---|
352 | return connection.getHeaderFields().get(name);
|
---|
353 | }
|
---|
354 |
|
---|
355 | /**
|
---|
356 | * @see HttpURLConnection#disconnect()
|
---|
357 | */
|
---|
358 | public void disconnect() {
|
---|
359 | // TODO is this block necessary for disconnecting?
|
---|
360 | // Fix upload aborts - see #263
|
---|
361 | connection.setConnectTimeout(100);
|
---|
362 | connection.setReadTimeout(100);
|
---|
363 | try {
|
---|
364 | Thread.sleep(100);
|
---|
365 | } catch (InterruptedException ex) {
|
---|
366 | Main.warn("InterruptedException in " + getClass().getSimpleName() + " during cancel");
|
---|
367 | }
|
---|
368 |
|
---|
369 | connection.disconnect();
|
---|
370 | }
|
---|
371 | }
|
---|
372 |
|
---|
373 | /**
|
---|
374 | * Creates a new instance for the given URL and a {@code GET} request
|
---|
375 | *
|
---|
376 | * @param url the URL
|
---|
377 | * @return a new instance
|
---|
378 | */
|
---|
379 | public static HttpClient create(URL url) {
|
---|
380 | return create(url, "GET");
|
---|
381 | }
|
---|
382 |
|
---|
383 | /**
|
---|
384 | * Creates a new instance for the given URL and a {@code GET} request
|
---|
385 | *
|
---|
386 | * @param url the URL
|
---|
387 | * @param requestMethod the HTTP request method to perform when calling
|
---|
388 | * @return a new instance
|
---|
389 | */
|
---|
390 | public static HttpClient create(URL url, String requestMethod) {
|
---|
391 | return new HttpClient(url, requestMethod);
|
---|
392 | }
|
---|
393 |
|
---|
394 | /**
|
---|
395 | * Returns the URL set for this connection.
|
---|
396 | * @return the URL
|
---|
397 | * @see #create(URL)
|
---|
398 | * @see #create(URL, String)
|
---|
399 | * @since 9172
|
---|
400 | */
|
---|
401 | public URL getURL() {
|
---|
402 | return url;
|
---|
403 | }
|
---|
404 |
|
---|
405 | /**
|
---|
406 | * Returns the request method set for this connection.
|
---|
407 | * @return the HTTP request method
|
---|
408 | * @see #create(URL, String)
|
---|
409 | * @since 9172
|
---|
410 | */
|
---|
411 | public String getRequestMethod() {
|
---|
412 | return requestMethod;
|
---|
413 | }
|
---|
414 |
|
---|
415 | /**
|
---|
416 | * Returns the set value for the given {@code header}.
|
---|
417 | * @param header HTTP header name
|
---|
418 | * @return HTTP header value
|
---|
419 | * @since 9172
|
---|
420 | */
|
---|
421 | public String getRequestHeader(String header) {
|
---|
422 | return headers.get(header);
|
---|
423 | }
|
---|
424 |
|
---|
425 | /**
|
---|
426 | * Sets whether not to set header {@code Cache-Control=no-cache}
|
---|
427 | *
|
---|
428 | * @param useCache whether not to set header {@code Cache-Control=no-cache}
|
---|
429 | * @return {@code this}
|
---|
430 | * @see HttpURLConnection#setUseCaches(boolean)
|
---|
431 | */
|
---|
432 | public HttpClient useCache(boolean useCache) {
|
---|
433 | this.useCache = useCache;
|
---|
434 | return this;
|
---|
435 | }
|
---|
436 |
|
---|
437 | /**
|
---|
438 | * Sets whether not to set header {@code Connection=close}
|
---|
439 | * <p/>
|
---|
440 | * This might fix #7640, see
|
---|
441 | * <a href='https://web.archive.org/web/20140118201501/http://www.tikalk.com/java/forums/httpurlconnection-disable-keep-alive'>here</a>.
|
---|
442 | *
|
---|
443 | * @param keepAlive whether not to set header {@code Connection=close}
|
---|
444 | * @return {@code this}
|
---|
445 | */
|
---|
446 | public HttpClient keepAlive(boolean keepAlive) {
|
---|
447 | return setHeader("Connection", keepAlive ? null : "close");
|
---|
448 | }
|
---|
449 |
|
---|
450 | /**
|
---|
451 | * Sets a specified timeout value, in milliseconds, to be used when opening a communications link to the resource referenced
|
---|
452 | * by this URLConnection. If the timeout expires before the connection can be established, a
|
---|
453 | * {@link java.net.SocketTimeoutException} is raised. A timeout of zero is interpreted as an infinite timeout.
|
---|
454 | * @param connectTimeout an {@code int} that specifies the connect timeout value in milliseconds
|
---|
455 | * @return {@code this}
|
---|
456 | * @see HttpURLConnection#setConnectTimeout(int)
|
---|
457 | */
|
---|
458 | public HttpClient setConnectTimeout(int connectTimeout) {
|
---|
459 | this.connectTimeout = connectTimeout;
|
---|
460 | return this;
|
---|
461 | }
|
---|
462 |
|
---|
463 | /**
|
---|
464 | * Sets the read timeout to a specified timeout, in milliseconds. A non-zero value specifies the timeout when reading from
|
---|
465 | * input stream when a connection is established to a resource. If the timeout expires before there is data available for
|
---|
466 | * read, a {@link java.net.SocketTimeoutException} is raised. A timeout of zero is interpreted as an infinite timeout.
|
---|
467 | * @param readTimeout an {@code int} that specifies the read timeout value in milliseconds
|
---|
468 | * @return {@code this}
|
---|
469 | * @see HttpURLConnection#setReadTimeout(int)
|
---|
470 | */
|
---|
471 | public HttpClient setReadTimeout(int readTimeout) {
|
---|
472 | this.readTimeout = readTimeout;
|
---|
473 | return this;
|
---|
474 | }
|
---|
475 |
|
---|
476 | /**
|
---|
477 | * This method is used to enable streaming of a HTTP request body without internal buffering,
|
---|
478 | * when the content length is known in advance.
|
---|
479 | * <p>
|
---|
480 | * An exception will be thrown if the application attempts to write more data than the indicated content-length,
|
---|
481 | * or if the application closes the OutputStream before writing the indicated amount.
|
---|
482 | * <p>
|
---|
483 | * When output streaming is enabled, authentication and redirection cannot be handled automatically.
|
---|
484 | * A {@linkplain HttpRetryException} will be thrown when reading the response if authentication or redirection
|
---|
485 | * are required. This exception can be queried for the details of the error.
|
---|
486 | *
|
---|
487 | * @param contentLength The number of bytes which will be written to the OutputStream
|
---|
488 | * @return {@code this}
|
---|
489 | * @see HttpURLConnection#setFixedLengthStreamingMode(long)
|
---|
490 | * @since 9178
|
---|
491 | */
|
---|
492 | public HttpClient setFixedLengthStreamingMode(long contentLength) {
|
---|
493 | this.contentLength = contentLength;
|
---|
494 | return this;
|
---|
495 | }
|
---|
496 |
|
---|
497 | /**
|
---|
498 | * Sets the {@code Accept} header.
|
---|
499 | * @param accept header value
|
---|
500 | *
|
---|
501 | * @return {@code this}
|
---|
502 | */
|
---|
503 | public HttpClient setAccept(String accept) {
|
---|
504 | return setHeader("Accept", accept);
|
---|
505 | }
|
---|
506 |
|
---|
507 | /**
|
---|
508 | * Sets the request body for {@code PUT}/{@code POST} requests.
|
---|
509 | * @param requestBody request body
|
---|
510 | *
|
---|
511 | * @return {@code this}
|
---|
512 | */
|
---|
513 | public HttpClient setRequestBody(byte[] requestBody) {
|
---|
514 | this.requestBody = requestBody;
|
---|
515 | return this;
|
---|
516 | }
|
---|
517 |
|
---|
518 | /**
|
---|
519 | * Sets the {@code If-Modified-Since} header.
|
---|
520 | * @param ifModifiedSince header value
|
---|
521 | *
|
---|
522 | * @return {@code this}
|
---|
523 | */
|
---|
524 | public HttpClient setIfModifiedSince(long ifModifiedSince) {
|
---|
525 | this.ifModifiedSince = ifModifiedSince;
|
---|
526 | return this;
|
---|
527 | }
|
---|
528 |
|
---|
529 | /**
|
---|
530 | * Sets the maximum number of redirections to follow.
|
---|
531 | *
|
---|
532 | * Set {@code maxRedirects} to {@code -1} in order to ignore redirects, i.e.,
|
---|
533 | * to not throw an {@link IOException} in {@link #connect()}.
|
---|
534 | * @param maxRedirects header value
|
---|
535 | *
|
---|
536 | * @return {@code this}
|
---|
537 | */
|
---|
538 | public HttpClient setMaxRedirects(int maxRedirects) {
|
---|
539 | this.maxRedirects = maxRedirects;
|
---|
540 | return this;
|
---|
541 | }
|
---|
542 |
|
---|
543 | /**
|
---|
544 | * Sets an arbitrary HTTP header.
|
---|
545 | * @param key header name
|
---|
546 | * @param value header value
|
---|
547 | *
|
---|
548 | * @return {@code this}
|
---|
549 | */
|
---|
550 | public HttpClient setHeader(String key, String value) {
|
---|
551 | this.headers.put(key, value);
|
---|
552 | return this;
|
---|
553 | }
|
---|
554 |
|
---|
555 | /**
|
---|
556 | * Sets arbitrary HTTP headers.
|
---|
557 | * @param headers HTTP headers
|
---|
558 | *
|
---|
559 | * @return {@code this}
|
---|
560 | */
|
---|
561 | public HttpClient setHeaders(Map<String, String> headers) {
|
---|
562 | this.headers.putAll(headers);
|
---|
563 | return this;
|
---|
564 | }
|
---|
565 |
|
---|
566 | /**
|
---|
567 | * Sets a reason to show on console. Can be {@code null} if no reason is given.
|
---|
568 | * @param reasonForRequest Reason to show
|
---|
569 | * @return {@code this}
|
---|
570 | * @since 9172
|
---|
571 | */
|
---|
572 | public HttpClient setReasonForRequest(String reasonForRequest) {
|
---|
573 | this.reasonForRequest = reasonForRequest;
|
---|
574 | return this;
|
---|
575 | }
|
---|
576 |
|
---|
577 | private static boolean isRedirect(final int statusCode) {
|
---|
578 | switch (statusCode) {
|
---|
579 | case HttpURLConnection.HTTP_MOVED_PERM: // 301
|
---|
580 | case HttpURLConnection.HTTP_MOVED_TEMP: // 302
|
---|
581 | case HttpURLConnection.HTTP_SEE_OTHER: // 303
|
---|
582 | case 307: // TEMPORARY_REDIRECT:
|
---|
583 | case 308: // PERMANENT_REDIRECT:
|
---|
584 | return true;
|
---|
585 | default:
|
---|
586 | return false;
|
---|
587 | }
|
---|
588 | }
|
---|
589 | }
|
---|