Github user myui commented on a diff in the pull request:
https://github.com/apache/incubator-hivemall/pull/97#discussion_r126868602
--- Diff: nlp/src/main/java/hivemall/nlp/tokenizer/KuromojiUDF.java ---
@@ -170,6 +192,100 @@ private static CharArraySet stopWords(@Nonnull final
String[] array)
return results;
}
+ @Nullable
+ private static UserDictionary userDictionary(@Nonnull final
ObjectInspector oi)
+ throws UDFArgumentException {
+ if (HiveUtils.isConstListOI(oi)) {
+ return userDictionary(HiveUtils.getConstStringArray(oi));
+ } else if (HiveUtils.isConstString(oi)) {
+ return userDictionary(HiveUtils.getConstString(oi));
+ } else {
+ throw new UDFArgumentException(
+ "User dictionary MUST be given as an array of constant
string or constant string (URL)");
+ }
+ }
+
+ @Nullable
+ private static UserDictionary userDictionary(@Nullable final String[]
userDictArray)
+ throws UDFArgumentException {
+ if (userDictArray == null) {
+ return null;
+ }
+
+ StringBuilder builder = new StringBuilder();
+ for (String row : userDictArray) {
+ builder.append(row);
+ builder.append("\r\n");
+ }
+ InputStream is = new
ByteArrayInputStream(builder.toString().getBytes());
+ final Reader reader = new InputStreamReader(is);
+ try {
+ return UserDictionary.open(reader); // return null if empty
+ } catch (Throwable e) {
+ throw new UDFArgumentException(
+ "Failed to create user dictionary based on the given
array<string>: " + e);
+ }
+ }
+
+ @Nullable
+ private static UserDictionary userDictionary(@Nullable final String
userDictURL)
+ throws UDFArgumentException {
+ if (userDictURL == null) {
+ return null;
+ }
+
+ final HttpURLConnection conn;
+ try {
+ conn = HttpUtils.getHttpURLConnection(userDictURL);
+ } catch (Throwable e) {
+ throw new UDFArgumentException("Failed to create HTTP
connection to the URL: " + e);
+ }
+
+ // allow to read as a compressed GZIP file for efficiency
+ conn.setRequestProperty("Accept-Encoding", "gzip");
+
+ conn.setConnectTimeout(CONNECT_TIMEOUT_MS); // throw exception
from connect()
+ conn.setReadTimeout(READ_TIMEOUT_MS); // throw exception from
getXXX() methods
+
+ final int responseCode;
+ try {
+ responseCode = conn.getResponseCode();
+ } catch (Throwable e) {
+ throw new UDFArgumentException("Failed to get response code: "
+ e);
+ }
+ if (responseCode != 200) {
+ throw new UDFArgumentException("God invalid response code: " +
responseCode);
+ }
+
+ final String contentType = conn.getContentType();
+ boolean textContent = contentType.startsWith("text/plain");
+ boolean binaryContent =
contentType.startsWith("application/octet-stream");
+ if (!textContent && !binaryContent) {
+ throw new UDFArgumentException(
+ "User dictionary URL indicates unexpected content type: "
+ contentType);
+ }
+
+ InputStream is;
+ try {
+ is = HttpUtils.getBoundedInputStream(conn,
MAX_INPUT_STREAM_SIZE);
+ if ((textContent && "gzip".equals(conn.getContentEncoding()))
|| binaryContent) {
+ is = new GZIPInputStream(is);
--- End diff --
https://www.google.com/search?q=Resource+interpreted+as+Stylesheet+but+transferred+with+MIME+type
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