以下は、2 列の CSV ファイルを挿入する例です。
<configuration>
<expression-language autoResolveVariables="true">
<import class="org.mule.util.StringUtils" />
<import class="org.mule.util.ArrayUtils" />
</expression-language>
</configuration>
<spring:beans>
<spring:bean id="jdbcDataSource" class=" ... your data source ... " />
</spring:beans>
<jdbc:connector name="jdbcConnector" dataSource-ref="jdbcDataSource">
<jdbc:query key="insertRow"
value="insert into my_table(col1, col2) values(#[message.payload[0]],#[message.payload[1]])" />
</jdbc:connector>
<flow name="csvFileToDatabase">
<file:inbound-endpoint path="/tmp/mule/inbox"
pollingFrequency="5000" moveToDirectory="/tmp/mule/processed">
<file:filename-wildcard-filter pattern="*.csv" />
</file:inbound-endpoint>
<!-- Load all file in RAM - won't work for big files! -->
<file:file-to-string-transformer />
<!-- Split each row, dropping the first one (header) -->
<splitter
expression="#[rows=StringUtils.split(message.payload, '\n\r');ArrayUtils.subarray(rows,1,rows.size())]" />
<!-- Transform CSV row in array -->
<expression-transformer expression="#[StringUtils.split(message.payload, ',')]" />
<jdbc:outbound-endpoint queryKey="insertRow" />
</flow>