Nevermind, figured it out:
if (results.size() == 1) {
exchange.getIn().setBody(results.get(0), String.class);
} else {
exchange.getIn().setBody(StringUtils.collectionToDelimitedString(results,
"\n"), String.class);
}
On Sep 10, 2014, at 5:44 PM, Matt Raible <[email protected]> wrote:
> I have a String that's delimited by ~. This string is returned from a
> database query. I'm able to parse it with the following code in my route:
>
> @Override
> public void configure() throws Exception {
> CsvDataFormat csv = new CsvDataFormat();
> csv.setDelimiter("~");
> ...
> .to("bean:myStoredProcedure")
> .process(myJdbcProcessor)
> .unmarshal(csv)
> .process(mySearchCsvProcessor)
>
> Today, I encountered a use case where not one string would be returned, but
> multiple strings. To handle this, I've changed myJdbcProcessor to have the
> following:
>
> List<String> results = jdbcTemplate.queryForList("...",
> String.class);
>
> if (results.size() == 1) {
> exchange.getIn().setBody(results.get(0), String.class);
> } else {
> exchange.getIn().setBody(results, List.class);
> }
>
> When the result size is 1, everything works as expected. However, when there
> are multiple results, the csv unmarshal blows up with the following error:
>
> org.apache.camel.InvalidPayloadException: No body available of type:
> java.io.InputStream
>
> Is it possible to parse multiple lines with unmarshal(csv)?
>
> I tried the following, but that didn't work b/c it only gets the first line:
>
>
> exchange.getIn().setBody(StringUtils.collectionToCommaDelimitedString(results),
> String.class);
>
>
> Thanks,
>
> Matt
