refactoring

redisson/src/main/java/org/redisson/client/handler/CommandDecoder.java

@@ -272,21 +272,15 @@ public class CommandDecoder extends ReplayingDecoder<State> {
         int code = in.readByte();
         Channel channel = ctx.channel();
         if (code == '+') {
-            ByteBuf rb = in.readBytes(in.bytesBefore((byte) '\r'));
-            try {
-                String result = rb.toString(CharsetUtil.UTF_8);
-                in.skipBytes(2);
+            int len = in.bytesBefore((byte) '\r');
+            String result = in.toString(in.readerIndex(), len, CharsetUtil.UTF_8);
+            in.skipBytes(len + 2);
 
             handleResult(data, parts, result, skipConvertor, channel);
-            } finally {
-                rb.release();
-            }
         } else if (code == '-') {
-            ByteBuf rb = in.readBytes(in.bytesBefore((byte) '\r'));
-            try {
-                String error = rb.toString(CharsetUtil.UTF_8);
-                in.skipBytes(2);
-
+            int len = in.bytesBefore((byte) '\r');
+            String error = in.toString(in.readerIndex(), len, CharsetUtil.UTF_8);
+            in.skipBytes(len + 2);
             if (error.startsWith("MOVED")) {
                 String[] errorParts = error.split(" ");
                 int slot = Integer.valueOf(errorParts[1]);
@@ -316,9 +310,6 @@ public class CommandDecoder extends ReplayingDecoder<State> {
                     log.error("Error message from Redis: {} channel: {}", error, channel);
                 }
             }
-            } finally {
-                rb.release();
-            }
         } else if (code == ':') {
             Long result = readLong(in);
             handleResult(data, parts, result, false, channel);