pnowojski commented on a change in pull request #8621:
[FLINK-12682][connectors] StringWriter support custom row delimiter
URL: https://github.com/apache/flink/pull/8621#discussion_r300620094
##########
File path:
flink-connectors/flink-connector-filesystem/src/main/java/org/apache/flink/streaming/connectors/fs/StringWriter.java
##########
@@ -40,12 +40,18 @@
private transient Charset charset;
+ private String rowDelimiter;
+
+ private static final String DEFAULT_ROW_DELIMITER = "\n";
+
+ private byte[] rowDelimiterBytes;
+
/**
* Creates a new {@code StringWriter} that uses {@code "UTF-8"} charset
to convert
* strings to bytes.
*/
public StringWriter() {
- this("UTF-8");
+ this("UTF-8", "\n");
Review comment:
Yes, as I wrote in another comment, I missed that `rowDelimiterBytes`
depends on the `charset` which is initialised only in `open`.
Normally I would change `charset` to `private final transient` field, but
this might require adding `throws IOException` clause to the constructor and
would change the current contract a little bit which is a separate independent
issue. In that case, I would give +1 for keeping `rowDelimiterBytes` field
non-final as you have initially proposed.
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