CSV-267 - Minor improvement (apache#126)

Author: arturobernalg

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

@@ -1051,7 +1051,7 @@ public boolean getTrailingDelimiter() {
     /**
      * Returns whether to trim leading and trailing blanks.
      * This is used by {@link #print(Object, Appendable, boolean)}
-     * Also by {@link CSVParser#addRecordValue(boolean)}
+     * Also by {CSVParser#addRecordValue(boolean)}
      *
      * @return whether to trim leading and trailing blanks.
      */
@@ -1322,8 +1322,7 @@ public void printRecord(final Appendable out, final Object... values) throws IOE
     private void printWithEscapes(final CharSequence value, final Appendable out) throws IOException {
         int start = 0;
         int pos = 0;
-        final int len = value.length();
-        final int end = len;
+        final int end = value.length();
 
         final char delim = getDelimiter();
         final char escape = getEscapeCharacter().charValue();

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

@@ -179,7 +179,7 @@ private String randStr() {
         final char[] buf = new char[sz];
         for (int i = 0; i < sz; i++) {
             // stick in special chars with greater frequency
-            char ch;
+            final char ch;
             final int what = r.nextInt(20);
             switch (what) {
             case 0:
@@ -1342,7 +1342,7 @@ public void testPrintRecordsWithCSVRecord() throws IOException {
         final String rowData = StringUtils.join(values, ',');
         final CharArrayWriter charArrayWriter = new CharArrayWriter(0);
         try (final CSVParser parser = CSVFormat.DEFAULT.parse(new StringReader(rowData));
-            CSVPrinter csvPrinter = CSVFormat.INFORMIX_UNLOAD.print(charArrayWriter)) {
+            final CSVPrinter csvPrinter = CSVFormat.INFORMIX_UNLOAD.print(charArrayWriter)) {
             for (final CSVRecord record : parser) {
                 csvPrinter.printRecord(record);
             }

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

@@ -31,7 +31,6 @@
 import java.io.StringReader;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.Map;
 import java.util.TreeMap;
 import java.util.concurrent.ConcurrentHashMap;
@@ -213,7 +212,7 @@ public void testRemoveAndAddColumns() throws IOException {
 
     @Test
     public void testSerialization() throws IOException, ClassNotFoundException {
-        CSVRecord shortRec;
+        final CSVRecord shortRec;
         try (final CSVParser parser = CSVParser.parse("A,B\n#my comment\nOne,Two", CSVFormat.DEFAULT.withHeader().withCommentMarker('#'))) {
             shortRec = parser.iterator().next();
         }

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

@@ -88,7 +88,7 @@ public static void main(final String [] args) throws Exception {
             max = Integer.parseInt(args[0]);
         }
 
-        String tests[];
+        final String[] tests;
         if (argc > 1) {
             tests = new String[argc - 1];
             for (int i = 1; i < argc; i++) {

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

@@ -39,8 +39,9 @@ private Utils() {
      * @param actual the List of {@link CSVRecord} entries, each containing an array of values
      */
     public static void compare(final String message, final String[][] expected, final List<CSVRecord> actual) {
-        assertEquals(expected.length, actual.size(), message + "  - outer array size");
-        for (int i = 0; i < expected.length; i++) {
+        final int expectedLength = expected.length;
+        assertEquals(expectedLength, actual.size(), message + "  - outer array size");
+        for (int i = 0; i < expectedLength; i++) {
             assertArrayEquals(expected[i], actual.get(i).values(), message + " (entry " + i + ")");
         }
     }

src/test/java/org/apache/commons/csv/issues/JiraCsv198Test.java

@@ -22,6 +22,7 @@
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.UnsupportedEncodingException;
+import java.nio.charset.StandardCharsets;
 
 import org.apache.commons.csv.CSVFormat;
 import org.apache.commons.csv.CSVParser;
@@ -37,7 +38,7 @@ public void test() throws UnsupportedEncodingException, IOException {
         final InputStream pointsOfReference = getClass().getResourceAsStream("/org/apache/commons/csv/CSV-198/optd_por_public.csv");
         assertNotNull(pointsOfReference);
         try (@SuppressWarnings("resource")
-        CSVParser parser = CSV_FORMAT.parse(new InputStreamReader(pointsOfReference, "UTF-8"))) {
+        CSVParser parser = CSV_FORMAT.parse(new InputStreamReader(pointsOfReference, StandardCharsets.UTF_8))) {
             for (final CSVRecord record : parser) {
                 final String locationType = record.get("location_type");
                 assertNotNull(locationType);

src/test/java/org/apache/commons/csv/issues/JiraCsv248Test.java

@@ -46,7 +46,7 @@ public void testJiraCsv248() throws IOException, ClassNotFoundException {
         //    CSVRecord rec = parser.iterator().next();
         //}
         try (InputStream in = getTestInput();
-            ObjectInputStream ois = new ObjectInputStream(in)) {
+             final ObjectInputStream ois = new ObjectInputStream(in)) {
             final Object object = ois.readObject();
             assertTrue(object instanceof CSVRecord);
             final CSVRecord rec = (CSVRecord) object;

src/test/java/org/apache/commons/csv/issues/JiraCsv249Test.java

@@ -40,7 +40,7 @@ public void testJiraCsv249() throws IOException {
             printer.printRecord("foo \\", "bar");
         }
         final StringReader stringReader = new StringReader(stringWriter.toString());
-        List<CSVRecord> records;
+        final List<CSVRecord> records;
         try (CSVParser parser = new CSVParser(stringReader, csvFormat)) {
             records = parser.getRecords();
         }

src/test/resources/org/apache/commons/csv/CSVPrinter.java

@@ -203,11 +203,12 @@ public void printComment(final String comment) throws IOException {
         }
         out.append(format.getCommentMarker().charValue());
         out.append(SP);
-        for (int i = 0; i < comment.length(); i++) {
+        final int commentLength = comment.length();
+        for (int i = 0; i < commentLength; i++) {
             final char c = comment.charAt(i);
             switch (c) {
             case CR:
-                if (i + 1 < comment.length() && comment.charAt(i + 1) == LF) {
+                if (i + 1 < commentLength && comment.charAt(i + 1) == LF) {
                     i++;
                 }
                 //$FALL-THROUGH$ break intentionally excluded.