/**
* Checks whether the object with the given PID has a datastream with the given identifier
* (dsName).
*
* @param pid the fedora persistent identifier for the object whose datastreams are being queried
* @param dsName the identifier for the datastream
* @return true if the datastream exists, false otherwise
* @throws IOException if an error occurs while accessing fedora
* @throws FedoraException
*/
public boolean hasDatastream(String pid, String dsName) throws IOException, FedoraException {
GetMethod get =
new GetMethod(this.fedoraBaseUrl + "/objects/" + pid + "/datastreams?format=xml");
this.client.executeMethod(get);
return (readStream(get.getResponseBodyAsStream(), get.getResponseCharSet())
.indexOf("dsid=\"" + dsName + "\"")
!= -1);
}
/*
* Tests the <tt>withBody(String)</tt> method in connection with the default content type
* (which is set to text/html; charset=UTF-8). Checks the content type was set to the stub response
* and the body is readable to the http client.
*/
@Test
public void withDefaultContentType() throws IOException {
onRequest().respond().withBody(STRING_WITH_DIACRITICS);
final GetMethod method = new GetMethod("http://localhost:" + port());
client.executeMethod(method);
// the content type header set to the default value
assertThat(method.getResponseHeader("Content-Type").getValue(), is(UTF_8_TYPE));
// the http client was able to retrieve the charset portion of the content type header
assertThat(method.getResponseCharSet(), is(UTF_8_CHARSET.name()));
// since the body was encoded in UTF-8 and content type charset was set to UTF-8,
// the http client should be able to read it correctly
assertThat(method.getResponseBodyAsString(), is(STRING_WITH_DIACRITICS));
}
public GeoRSSReader createReader(final URL url, final String username, final String password)
throws IOException {
if (log.isDebugEnabled()) {
log.debug(
"Creating GeoRSS reader for URL " + url.toExternalForm() + " with user " + username);
}
HttpClientBuilder builder = new HttpClientBuilder();
builder.setHttpCredentials(username, password, url);
builder.setBackendTimeout(120);
HttpClient httpClient = builder.buildClient();
GetMethod getMethod = new GetMethod(url.toString());
getMethod.setRequestHeader("Connection", "close");
if (builder.isDoAuthentication()) {
getMethod.setDoAuthentication(true);
httpClient.getParams().setAuthenticationPreemptive(true);
}
if (log.isDebugEnabled()) {
log.debug("Executing HTTP GET requesr for feed URL " + url.toExternalForm());
}
httpClient.executeMethod(getMethod);
if (log.isDebugEnabled()) {
log.debug("Building GeoRSS reader out of URL response");
}
String contentEncoding = getMethod.getResponseCharSet();
if (contentEncoding == null) {
contentEncoding = "UTF-8";
}
InputStream in = getMethod.getResponseBodyAsStream();
Reader reader = new BufferedReader(new InputStreamReader(in, contentEncoding));
if (log.isDebugEnabled()) {
log.debug("GeoRSS reader created, returning.");
}
return createReader(reader);
}
/*
* Tests a mismatch between body encoding and the encoding stated in the content type header.
* Body is encoded using ISO-8859-2, however the content type header states it's encoded
* using UTF-8.
*/
@Test
public void withContentTypeEncodingMismatch() throws IOException {
onRequest()
.respond()
.withEncoding(ISO_8859_2_CHARSET)
.withContentType(UTF_8_TYPE)
.withBody(STRING_WITH_DIACRITICS);
final GetMethod method = new GetMethod("http://localhost:" + port());
client.executeMethod(method);
// the content type header set to the specified value
assertThat(method.getResponseHeader("Content-Type").getValue(), is(UTF_8_TYPE));
// the http client was able to retrieve the charset portion of the content type header
assertThat(method.getResponseCharSet(), is(UTF_8_CHARSET.name()));
// however the applied encoding is ISO-8859-2
final byte[] body = IOUtils.toByteArray(method.getResponseBodyAsStream());
assertThat(body, is(ISO_8859_2_REPRESENTATION));
}
