@Override + Javadoc

git-svn-id: https://svn.apache.org/repos/asf/commons/sandbox/csv/trunk@1298215 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -184,8 +184,9 @@ class CharBuffer {
      * Converts the contents of the buffer into a StringBuffer.
      * This method involves copying the new data once!
      *
-     * @return
+     * @return the contents of the character buffer as a String
      */
+    @Override
     public String toString() {
         return new String(c, 0, length);
     }

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

@@ -65,6 +65,7 @@ class ExtendedBufferedReader extends BufferedReader {
      *
      * @return the next char or END_OF_STREAM if end of stream has been reached.
      */
+    @Override
     public int read() throws IOException {
         // initialize the lookahead
         if (lookaheadChar == UNDEFINED) {
@@ -103,6 +104,7 @@ class ExtendedBufferedReader extends BufferedReader {
      *
      * @return nof chars actually read or END_OF_STREAM
      */
+    @Override
     public int read(char[] buf, int off, int len) throws IOException {
         // do not claim if len == 0
         if (len == 0) {
@@ -145,6 +147,7 @@ class ExtendedBufferedReader extends BufferedReader {
      *         including any line-termination characters, or null
      *         if the end of the stream has been reached
      */
+    @Override
     public String readLine() throws IOException {
 
         if (lookaheadChar == UNDEFINED) {
@@ -186,6 +189,7 @@ class ExtendedBufferedReader extends BufferedReader {
     /**
      * Unsupported
      */
+    @Override
     public long skip(long n) throws IllegalArgumentException, IOException {
         throw new UnsupportedOperationException("CSV has no reason to implement this");
     }
@@ -216,8 +220,10 @@ class ExtendedBufferedReader extends BufferedReader {
     }
 
     /**
-     * Unsupported
+     * Unsupported.
+     * @throws UnsupportedOperationException if invoked
      */
+    @Override
     public boolean markSupported() {
         throw new UnsupportedOperationException("CSV has no reason to implement this");
     }

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

@@ -38,6 +38,7 @@ class UnicodeUnescapeReader extends Reader {
         this.reader = new PushbackReader(reader, sequence.length);
     }
 
+    @Override
     public int read(char[] cbuf, int off, int len) throws IOException {
         int count = 0;
         for (int i = 0; i < len; i++) {
@@ -75,6 +76,7 @@ class UnicodeUnescapeReader extends Reader {
         return ('0' <= c && c <= '9') || ('a' <= c && c <= 'f') || ('A' <= c && c <= 'F');
     }
 
+    @Override
     public void close() throws IOException {
         if (reader != null) {
             reader.close();