private Content handleEntity(final HttpEntity entity) throws IOException {
Content content = null;
if (entity != null) {
content = new Content(EntityUtils.toByteArray(entity), ContentType.getOrDefault(entity));
} else {
content = Content.NO_CONTENT;
}
return content;
}
public HttpResponse returnResponse() throws IOException {
assertNotConsumed();
try {
HttpEntity entity = this.response.getEntity();
if (entity != null) {
this.response.setEntity(
new ByteArrayEntity(EntityUtils.toByteArray(entity), ContentType.getOrDefault(entity)));
}
return this.response;
} finally {
this.consumed = true;
}
}
private CoverallsResponse parseResponse(final HttpResponse response)
throws ProcessingException, IOException {
HttpEntity entity = response.getEntity();
ContentType contentType = ContentType.getOrDefault(entity);
InputStreamReader reader = null;
try {
reader = new InputStreamReader(entity.getContent(), contentType.getCharset());
CoverallsResponse cr = objectMapper.readValue(reader, CoverallsResponse.class);
if (cr.isError()) {
throw new ProcessingException(getResponseErrorMessage(response, cr.getMessage()));
}
return cr;
} catch (JsonProcessingException ex) {
throw new ProcessingException(getResponseErrorMessage(response, ex.getMessage()), ex);
} catch (IOException ex) {
throw new IOException(getResponseErrorMessage(response, ex.getMessage()), ex);
} finally {
IOUtil.close(reader);
}
}
/** Loads the content of this page from a fetched HttpEntity. */
public void load(HttpEntity entity) throws Exception {
contentType = null;
Header type = entity.getContentType();
if (type != null) {
contentType = type.getValue();
}
contentEncoding = null;
Header encoding = entity.getContentEncoding();
if (encoding != null) {
contentEncoding = encoding.getValue();
}
Charset charset = ContentType.getOrDefault(entity).getCharset();
if (charset != null) {
contentCharset = charset.displayName();
}
contentData = EntityUtils.toByteArray(entity);
}
/**
* Gets content type of response
*
* @param response request response
* @return content type
*/
protected static ContentType getContentType(HttpResponse response) {
return ContentType.getOrDefault(response.getEntity());
}
@Test
public void testHttpContent() throws Exception {
final String[] patterns = {
"0123456789ABCDEF",
"yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that-"
+ "yadayada-blahblah-this-and-that-yadayada-blahblah-this-and-that"
};
// Initialize the server-side request handler
this.server.registerHandler(
"*",
new HttpRequestHandler() {
public void handle(
final HttpRequest request, final HttpResponse response, final HttpContext context)
throws HttpException, IOException {
if (request instanceof HttpEntityEnclosingRequest) {
int n = 1;
String s = request.getRequestLine().getUri();
if (s.startsWith("/?n=")) {
s = s.substring(4);
try {
n = Integer.parseInt(s);
if (n <= 0) {
throw new HttpException(
"Invalid request: " + "number of repetitions cannot be negative or zero");
}
} catch (final NumberFormatException ex) {
throw new HttpException("Invalid request: " + "number of repetitions is invalid");
}
}
final HttpEntity incoming = ((HttpEntityEnclosingRequest) request).getEntity();
final String line = EntityUtils.toString(incoming);
final ContentType contentType = ContentType.getOrDefault(incoming);
Charset charset = contentType.getCharset();
if (charset == null) {
charset = HTTP.DEF_CONTENT_CHARSET;
}
final RepeatingEntity outgoing = new RepeatingEntity(line, charset, n);
outgoing.setChunked(n % 2 == 0);
response.setEntity(outgoing);
} else {
throw new HttpException("Invalid request: POST request expected");
}
}
});
this.server.start();
final DefaultBHttpClientConnection conn = client.createConnection();
final HttpHost host = new HttpHost("localhost", this.server.getPort());
try {
for (final String pattern : patterns) {
for (int n = 1000; n < 1020; n++) {
if (!conn.isOpen()) {
client.connect(host, conn);
}
final BasicHttpEntityEnclosingRequest post =
new BasicHttpEntityEnclosingRequest("POST", "/?n=" + n);
final StringEntity outgoing = new StringEntity(pattern);
outgoing.setChunked(n % 2 == 0);
post.setEntity(outgoing);
final HttpResponse response = this.client.execute(post, host, conn);
final HttpEntity incoming = response.getEntity();
Assert.assertNotNull(incoming);
final InputStream instream = incoming.getContent();
final ContentType contentType = ContentType.getOrDefault(incoming);
Charset charset = contentType.getCharset();
if (charset == null) {
charset = HTTP.DEF_CONTENT_CHARSET;
}
Assert.assertNotNull(instream);
final BufferedReader reader =
new BufferedReader(new InputStreamReader(instream, charset));
String line;
int count = 0;
while ((line = reader.readLine()) != null) {
Assert.assertEquals(pattern, line);
count++;
}
Assert.assertEquals(n, count);
if (!this.client.keepAlive(response)) {
conn.close();
}
}
}
} finally {
conn.close();
this.server.shutdown();
}
}
@Override
public AbstractStorageItem retrieveItem(
final ProxyRepository repository, final ResourceStoreRequest request, final String baseUrl)
throws ItemNotFoundException, RemoteStorageException {
final URL remoteURL =
appendQueryString(
repository, request, getAbsoluteUrlFromBase(baseUrl, request.getRequestPath()));
final String url = remoteURL.toExternalForm();
if (remoteURL.getPath().endsWith("/")) {
// NEXUS-5125 we do not want to fetch any collection
// Even though it is unlikely that we actually see a request for a collection here,
// requests for paths like this over the REST layer will be localOnly not trigger a remote
// request.
//
// The usual case is that there is a request for a directory that is redirected to '/', see
// below behavior
// for SC_MOVED_*
throw new RemoteItemNotFoundException(
request, repository, "remoteIsCollection", remoteURL.toString());
}
final HttpGet method = new HttpGet(url);
final HttpResponse httpResponse = executeRequest(repository, request, method, baseUrl, true);
if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
InputStream is;
try {
is =
new Hc4InputStream(
repository,
new InterruptableInputStream(method, httpResponse.getEntity().getContent()));
String mimeType = ContentType.getOrDefault(httpResponse.getEntity()).getMimeType();
if (mimeType == null) {
mimeType =
getMimeSupport()
.guessMimeTypeFromPath(repository.getMimeRulesSource(), request.getRequestPath());
}
final long entityLength = httpResponse.getEntity().getContentLength();
final DefaultStorageFileItem httpItem =
new DefaultStorageFileItem(
repository,
request,
CAN_READ,
CAN_WRITE,
new PreparedContentLocator(
is,
mimeType,
entityLength != -1 ? entityLength : ContentLocator.UNKNOWN_LENGTH));
httpItem.setRemoteUrl(remoteURL.toString());
httpItem.setModified(makeDateFromHeader(httpResponse.getFirstHeader("last-modified")));
httpItem.setCreated(httpItem.getModified());
return httpItem;
} catch (IOException ex) {
release(httpResponse);
throw new RemoteStorageException(
"IO Error during response stream handling [repositoryId=\""
+ repository.getId()
+ "\", requestPath=\""
+ request.getRequestPath()
+ "\", remoteUrl=\""
+ remoteURL.toString()
+ "\"]!",
ex);
} catch (RuntimeException ex) {
release(httpResponse);
throw ex;
}
} else {
release(httpResponse);
if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_NOT_FOUND) {
throw new RemoteItemNotFoundException(
request, repository, "NotFound", remoteURL.toString());
} else if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_MOVED_TEMPORARILY
|| httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_MOVED_PERMANENTLY) {
// NEXUS-5125 unfollowed redirect means collection (path.endsWith("/"))
// see also HttpClientUtil#configure
throw new RemoteItemNotFoundException(
request, repository, "redirected", remoteURL.toString());
} else {
throw new RemoteStorageException(
"The method execution returned result code "
+ httpResponse.getStatusLine().getStatusCode()
+ " (expected 200). [repositoryId=\""
+ repository.getId()
+ "\", requestPath=\""
+ request.getRequestPath()
+ "\", remoteUrl=\""
+ remoteURL.toString()
+ "\"]");
}
}
}
@Override
public ProblemAndTestCaseList importExercise(Course course, String exerciseHash)
throws CloudCoderAuthenticationException {
if (course == null || exerciseHash == null) {
throw new IllegalArgumentException();
}
// Make sure a user is authenticated
User user =
ServletUtil.checkClientIsAuthenticated(
getThreadLocalRequest(), GetCoursesAndProblemsServiceImpl.class);
// Find user's registration in the course: if user is not instructor,
// import is not allowed
CourseRegistrationList reg = Database.getInstance().findCourseRegistrations(user, course);
if (!reg.isInstructor()) {
throw new CloudCoderAuthenticationException(
"Only an instructor can import a problem in a course");
}
// Attempt to load the problem from the exercise repository.
ConfigurationSetting repoUrlSetting =
Database.getInstance().getConfigurationSetting(ConfigurationSettingName.PUB_REPOSITORY_URL);
if (repoUrlSetting == null) {
logger.error("Repository URL configuration setting is not set");
return null;
}
// GET the exercise from the repository
HttpGet get = new HttpGet(repoUrlSetting.getValue() + "/exercisedata/" + exerciseHash);
ProblemAndTestCaseList exercise = null;
HttpClient client = new DefaultHttpClient();
try {
HttpResponse response = client.execute(get);
HttpEntity entity = response.getEntity();
ContentType contentType = ContentType.getOrDefault(entity);
Reader reader = new InputStreamReader(entity.getContent(), contentType.getCharset());
exercise = new ProblemAndTestCaseList();
exercise.setTestCaseList(new TestCase[0]);
JSONConversion.readProblemAndTestCaseData(
exercise,
ReflectionFactory.forClass(Problem.class),
ReflectionFactory.forClass(TestCase.class),
reader);
// Set the course id
exercise.getProblem().setCourseId(course.getId());
} catch (IOException e) {
logger.error("Error importing exercise from repository", e);
return null;
} finally {
client.getConnectionManager().shutdown();
}
// Set "when assigned" and "when due" to reasonable default values
long now = System.currentTimeMillis();
exercise.getProblem().setWhenAssigned(now);
exercise.getProblem().setWhenDue(now + 48L * 60L * 60L * 1000L);
// Set problem authorship as IMPORTED
exercise.getProblem().setProblemAuthorship(ProblemAuthorship.IMPORTED);
// For IMPORTED problems, parent_hash is actually the hash of the problem
// itself. If the problem is modified (and the authorship changed
// to IMPORTED_AND_MODIFIED), then the (unchanged) parent_hash value
// really does reflect the "parent" problem.
exercise.getProblem().setParentHash(exerciseHash);
// Store the exercise in the database
exercise = Database.getInstance().storeProblemAndTestCaseList(exercise, course, user);
return exercise;
}
