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author | Anton Tananaev <anton.tananaev@gmail.com> | 2018-06-22 15:25:10 +1200 |
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committer | Anton Tananaev <anton.tananaev@gmail.com> | 2018-06-22 15:25:10 +1200 |
commit | d42c74bbbdf6264b2b301c277eee9fb36de435ba (patch) | |
tree | 00aa19c733ec419e0cd1118a64832abee3d67d5d /src/org/traccar/protocol/PretraceProtocolEncoder.java | |
parent | 5a582f6316511199d43b4c15e7d1759932f9874b (diff) | |
download | trackermap-server-d42c74bbbdf6264b2b301c277eee9fb36de435ba.tar.gz trackermap-server-d42c74bbbdf6264b2b301c277eee9fb36de435ba.tar.bz2 trackermap-server-d42c74bbbdf6264b2b301c277eee9fb36de435ba.zip |
Implement Pretrace commands
Diffstat (limited to 'src/org/traccar/protocol/PretraceProtocolEncoder.java')
-rw-r--r-- | src/org/traccar/protocol/PretraceProtocolEncoder.java | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/PretraceProtocolEncoder.java b/src/org/traccar/protocol/PretraceProtocolEncoder.java new file mode 100644 index 000000000..e8e2f66c7 --- /dev/null +++ b/src/org/traccar/protocol/PretraceProtocolEncoder.java @@ -0,0 +1,48 @@ +/* + * 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; + } + } + +} |