1 files changed, 65 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/CharacterDelimiterFrameDecoder.java b/src/main/java/org/traccar/CharacterDelimiterFrameDecoder.java
new file mode 100644
index 000000000..eeb8834dc
--- /dev/null
+++ b/src/main/java/org/traccar/CharacterDelimiterFrameDecoder.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2015 - 2018 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.handler.codec.DelimiterBasedFrameDecoder;
+
+public class CharacterDelimiterFrameDecoder extends DelimiterBasedFrameDecoder {
+
+    private static ByteBuf createDelimiter(char delimiter) {
+        byte[] buf = {(byte) delimiter};
+        return Unpooled.wrappedBuffer(buf);
+    }
+
+    private static ByteBuf createDelimiter(String delimiter) {
+        byte[] buf = new byte[delimiter.length()];
+        for (int i = 0; i < delimiter.length(); i++) {
+            buf[i] = (byte) delimiter.charAt(i);
+        }
+        return Unpooled.wrappedBuffer(buf);
+    }
+
+    private static ByteBuf[] convertDelimiters(String[] delimiters) {
+        ByteBuf[] result = new ByteBuf[delimiters.length];
+        for (int i = 0; i < delimiters.length; i++) {
+            result[i] = createDelimiter(delimiters[i]);
+        }
+        return result;
+    }
+
+    public CharacterDelimiterFrameDecoder(int maxFrameLength, char delimiter) {
+        super(maxFrameLength, createDelimiter(delimiter));
+    }
+
+    public CharacterDelimiterFrameDecoder(int maxFrameLength, String delimiter) {
+        super(maxFrameLength, createDelimiter(delimiter));
+    }
+
+    public CharacterDelimiterFrameDecoder(int maxFrameLength, boolean stripDelimiter, String delimiter) {
+        super(maxFrameLength, stripDelimiter, createDelimiter(delimiter));
+    }
+
+    public CharacterDelimiterFrameDecoder(int maxFrameLength, String... delimiters) {
+        super(maxFrameLength, convertDelimiters(delimiters));
+    }
+
+    public CharacterDelimiterFrameDecoder(int maxFrameLength, boolean stripDelimiter, String... delimiters) {
+        super(maxFrameLength, stripDelimiter, convertDelimiters(delimiters));
+    }
+
+}