nihal0107 commented on a change in pull request #3819:
URL: https://github.com/apache/carbondata/pull/3819#discussion_r467933961
##########
File path:
sdk/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonWriterBuilder.java
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@@ -594,6 +614,428 @@ public CarbonWriterBuilder withJsonInput(Schema
carbonSchema) {
return this;
}
+ private void validateCsvFiles() throws IOException {
+ File[] dataFiles = this.extractDataFiles();
+ for (File dataFile : dataFiles) {
+ try {
+ CsvParser csvParser = SDKUtil.buildCsvParser();
+ csvParser.beginParsing(dataFile);
+ } catch (IllegalArgumentException ex) {
+ if (ex.getCause() instanceof FileNotFoundException) {
+ throw new FileNotFoundException("File " + dataFile +
+ " not found to build carbon writer.");
+ }
+ throw ex;
+ }
+ }
+ this.dataFiles = dataFiles;
+ }
+
+ /**
+ * to build a {@link CarbonWriter}, which accepts loading CSV files.
+ *
+ * @param filePath absolute path under which files should be loaded.
+ * @return CarbonWriterBuilder
+ */
+ public CarbonWriterBuilder withCsvPath(String filePath) throws IOException {
+ if (filePath.length() == 0) {
Review comment:
Changed to StringUtils.isEmpty(filePath)
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