The class implements Closeable.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1398278 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/main/java/org/apache/commons/csv/CSVPrinter.java

@@ -23,6 +23,7 @@
 import static org.apache.commons.csv.Constants.LF;
 import static org.apache.commons.csv.Constants.SP;
 
+import java.io.Closeable;
 import java.io.Flushable;
 import java.io.IOException;
 import java.sql.ResultSet;
@@ -33,7 +34,7 @@
  * 
  * @version $Id: $
  */
-public class CSVPrinter implements Flushable {
+public class CSVPrinter implements Flushable, Closeable {
 
     /** The place that the values get written. */
     private final Appendable out;
@@ -387,4 +388,10 @@ public void printRecords(ResultSet resultSet) throws SQLException, IOException {
             println();
         }
     }
+
+    public void close() throws IOException {
+        if (out instanceof Closeable) {
+            ((Closeable) out).close();
+        }
+    }
 }

src/test/java/org/apache/commons/csv/CSVPrinterTest.java

@@ -77,6 +77,7 @@ public void doOneRandom(final CSVFormat format) throws Exception {
         }
 
         printer.flush();
+        printer.close();
         final String result = sw.toString();
         // System.out.println("### :" + printable(result));