at last

[nikiroo-utils.git] / src / be / nikiroo / utils / serial / server / ConnectAction.java

diff --git a/src/be/nikiroo/utils/serial/server/ConnectAction.java b/src/be/nikiroo/utils/serial/server/ConnectAction.java
index aafad62facfa5a3a3433df3a7aa54de8f23806b4..66d43e0e757f1912c753796bd95ec9c28cf93f75 100644 (file)
--- a/src/be/nikiroo/utils/serial/server/ConnectAction.java
+++ b/src/be/nikiroo/utils/serial/server/ConnectAction.java
@@ -252,7 +252,7 @@ abstract class ConnectAction {
         * <p>
         * Will only flush the data if there is contentToSend.
         * 
-        * @return the answer (which can be NULL)
+        * @return the answer (which can be NULL if no more content)
         * 
         * @throws IOException
         *             in case of I/O error
@@ -275,11 +275,12 @@ abstract class ConnectAction {
        }
 
        /**
-        * Read a possibly encrypted line.
+        * Read a possibly encrypted line, or NULL if no more content.
         * 
         * @param in
         *            the stream to read from
-        * @return the unencrypted line
+        * 
+        * @return the unencrypted line or NULL
         * 
         * 
         * @throws IOException
@@ -288,19 +289,17 @@ abstract class ConnectAction {
         *             in case of crypt error
         */
        private String readLine(NextableInputStream in) throws IOException {
-               String line = null;
                if (in.next()) {
-                       line = IOUtils.readSmallStream(in);
-               }
-
-               if (line != null) {
+                       String line = IOUtils.readSmallStream(in);
                        bytesReceived += line.length();
                        if (crypt != null) {
                                line = crypt.decrypt64s(line, false);
                        }
+
+                       return line;
                }
 
-               return line;
+               return null;
        }
 
        /**