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authorAnton Tananaev <anton.tananaev@gmail.com>2018-06-22 15:25:10 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2018-06-22 15:25:10 +1200
commitd42c74bbbdf6264b2b301c277eee9fb36de435ba (patch)
tree00aa19c733ec419e0cd1118a64832abee3d67d5d /src/org/traccar/protocol/PretraceProtocolEncoder.java
parent5a582f6316511199d43b4c15e7d1759932f9874b (diff)
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Implement Pretrace commands
Diffstat (limited to 'src/org/traccar/protocol/PretraceProtocolEncoder.java')
-rw-r--r--src/org/traccar/protocol/PretraceProtocolEncoder.java48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/PretraceProtocolEncoder.java b/src/org/traccar/protocol/PretraceProtocolEncoder.java
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index 000000000..e8e2f66c7
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+++ b/src/org/traccar/protocol/PretraceProtocolEncoder.java
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+/*
+ * Copyright 2015 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.protocol;
+
+import org.traccar.BaseProtocolEncoder;
+import org.traccar.Context;
+import org.traccar.helper.Checksum;
+import org.traccar.helper.Log;
+import org.traccar.model.Command;
+
+public class PretraceProtocolEncoder extends BaseProtocolEncoder {
+
+ private String formatCommand(String uniqueId, String data) {
+ String content = uniqueId + data;
+ return String.format("(%s^%02X)", content, Checksum.xor(content));
+ }
+
+ @Override
+ protected Object encodeCommand(Command command) {
+
+ String uniqueId = Context.getIdentityManager().getById(command.getDeviceId()).getUniqueId();
+
+ switch (command.getType()) {
+ case Command.TYPE_CUSTOM:
+ return formatCommand(uniqueId, command.getString(Command.KEY_DATA));
+ case Command.TYPE_POSITION_PERIODIC:
+ return formatCommand(
+ uniqueId, String.format("D221%1$d,%1$d,,", command.getInteger(Command.KEY_FREQUENCY)));
+ default:
+ Log.warning(new UnsupportedOperationException(command.getType()));
+ return null;
+ }
+ }
+
+}