svn commit: r1508475 - in /commons/proper/csv/trunk/src/main/java/org/apache/commons/csv: CSVParser.java Lexer.java

[ggregory]

Author: ggregory
Date: Tue Jul 30 14:50:42 2013
New Revision: 1508475

URL: http://svn.apache.org/r1508475
Log:
Allow a caller to close the parser before reading all records and free 
resources. The parser and lexer now implement java.io.Closeable.

Modified:
    commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVParser.java
    commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/Lexer.java

Modified: 
commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVParser.java
URL: 
http://svn.apache.org/viewvc/commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVParser.java?rev=1508475&r1=1508474&r2=1508475&view=diff
==============================================================================
--- 
commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVParser.java 
(original)
+++ 
commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/CSVParser.java 
Tue Jul 30 14:50:42 2013
@@ -19,6 +19,7 @@ package org.apache.commons.csv;
 
 import static org.apache.commons.csv.Token.Type.TOKEN;
 
+import java.io.Closeable;
 import java.io.IOException;
 import java.io.Reader;
 import java.io.StringReader;
@@ -80,7 +81,7 @@ import java.util.NoSuchElementException;
  *
  * @version $Id$
  */
-public class CSVParser implements Iterable<CSVRecord> {
+public class CSVParser implements Iterable<CSVRecord>, Closeable {
 
     private final Lexer lexer;
     private final Map<String, Integer> headerMap;
@@ -234,6 +235,15 @@ public class CSVParser implements Iterab
         }}
 
     /**
+     * Closes resources.
+     */
+       public void close() throws IOException {
+               if (lexer != null) {
+                       lexer.close();
+               }               
+       }
+
+    /**
      * Parses the CSV input according to the given format and returns the 
content as an array of {@link CSVRecord}
      * entries.
      * <p/>
@@ -326,4 +336,5 @@ public class CSVParser implements Iterab
             }
         };
     }
+
 }

Modified: 
commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/Lexer.java
URL: 
http://svn.apache.org/viewvc/commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/Lexer.java?rev=1508475&r1=1508474&r2=1508475&view=diff
==============================================================================
--- commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/Lexer.java 
(original)
+++ commons/proper/csv/trunk/src/main/java/org/apache/commons/csv/Lexer.java 
Tue Jul 30 14:50:42 2013
@@ -25,6 +25,7 @@ import static org.apache.commons.csv.Con
 import static org.apache.commons.csv.Constants.TAB;
 import static org.apache.commons.csv.Constants.UNDEFINED;
 
+import java.io.Closeable;
 import java.io.IOException;
 
 /**
@@ -32,7 +33,7 @@ import java.io.IOException;
  *
  * @version $Id$
  */
-abstract class Lexer {
+abstract class Lexer implements Closeable {
 
     /**
      * Constant char to use for disabling comments, escapes and encapsulation. 
The value -2 is used because it
@@ -191,7 +192,15 @@ abstract class Lexer {
         return c == delimiter ||
                c == escape ||
                c == quoteChar ||
-               c == commmentStart
-               ;
+               c == commmentStart;
     }
+
+    /**
+     * Closes resources.
+     */
+       public void close() throws IOException {
+               if (in != null) {
+                       in.close();
+               }
+       }
 }