#6 DMR Decoder (#947)

* #6 DMR decoder feature - work in progress

* #6 DMR Decoder.

* #6 DMR Decoder.  Code review updates.

Co-authored-by: Zhenyu Mao <maozhenyu@foxmail.com>
Co-authored-by: Denny <denny@denny-desktop>

src/main/java/io/github/dsheirer/message/MessageHistoryPreloadData.java

@@ -0,0 +1,39 @@
+/*
+ * *****************************************************************************
+ *  Copyright (C) 2014-2020 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.message;
+
+import io.github.dsheirer.controller.channel.event.PreloadDataContent;
+
+import java.util.List;
+
+/**
+ * Message history to preload into the message history module.
+ */
+public class MessageHistoryPreloadData extends PreloadDataContent<List<IMessage>>
+{
+    /**
+     * Constructs an instance
+     * @param messages from the history
+     */
+    public MessageHistoryPreloadData(List<IMessage> messages)
+    {
+        super(messages);
+    }
+}