fix some javadoc and try with resources coverage results

Author: jknack

jooby-hotreload/src/main/java/org/jooby/Watcher.java

@@ -91,9 +91,6 @@ public FileVisitResult preVisitDirectory(final Path dir, final BasicFileAttribut
     });
   }
 
-  /**
-   * Creates a WatchService and registers the given directory
-   */
   public Watcher(final BiConsumer<Kind<?>, Path> listener, final Path... dirs)
       throws IOException {
     this.watcher = FileSystems.getDefault().newWatchService();

jooby-jdbc/src/main/java/org/jooby/jdbc/Jdbc.java

@@ -307,6 +307,7 @@ private Optional<String> dbtype(final String key, final Config config) {
    *
    * @param type A type to bind.
    * @param callback A generated key.
+   * @param <T> Consumer type.
    */
   protected final <T> void keys(final Class<T> type, final Consumer<Key<T>> callback) {
     if (DEFAULT_DB.equals(dbName)) {

jooby-jedis/src/main/java/org/jooby/jedis/RedisSessionStore.java

@@ -133,7 +133,8 @@ public RedisSessionStore(final JedisPool pool,
 
   @Override
   public Session get(final Builder builder) {
-    try (Jedis jedis = pool.getResource()) {
+    Jedis jedis = pool.getResource();
+    try {
       String key = key(builder.sessionId());
       Map<String, String> attrs = jedis.hgetAll(key);
       if (timeout > 0) {
@@ -146,12 +147,15 @@ public Session get(final Builder builder) {
           .savedAt(Long.parseLong(attrs.remove("_savedAt")))
           .set(attrs)
           .build();
+    } finally {
+      jedis.close();
     }
   }
 
   @Override
   public void save(final Session session) {
-    try (Jedis jedis = pool.getResource()) {
+    Jedis jedis = pool.getResource();
+    try {
       String key = key(session);
       Map<String, String> attrs = new HashMap<>(session.attributes());
       attrs.put("_createdAt", Long.toString(session.createdAt()));
@@ -161,6 +165,8 @@ public void save(final Session session) {
       if (timeout > 0) {
         jedis.expire(key, timeout);
       }
+    } finally {
+      jedis.close();
     }
   }
 
@@ -171,8 +177,11 @@ public void create(final Session session) {
 
   @Override
   public void delete(final String id) {
-    try (Jedis jedis = pool.getResource()) {
+    Jedis jedis = pool.getResource();
+    try {
       jedis.del(key(id));
+    } finally {
+      jedis.close();
     }
 
   }

jooby/src/main/java/org/jooby/spi/NativeResponse.java

@@ -83,8 +83,8 @@ public interface NativeResponse {
    *        property file.
    *        If the <code>Content-Length</code> header was set and it is less than buffer size, the
    *        the <code>Content-Length</code> will be used it as buffer size.
-   * @return
-   * @throws IOException
+   * @return An output stream.
+   * @throws IOException If output stream can be acquire it.
    */
   OutputStream out(int bufferSize) throws IOException;