diff options
Diffstat (limited to 'src/org/traccar/protocol/EnforaProtocolEncoder.java')
-rw-r--r-- | src/org/traccar/protocol/EnforaProtocolEncoder.java | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/EnforaProtocolEncoder.java b/src/org/traccar/protocol/EnforaProtocolEncoder.java new file mode 100644 index 000000000..b13957ed6 --- /dev/null +++ b/src/org/traccar/protocol/EnforaProtocolEncoder.java @@ -0,0 +1,66 @@ +/* + * Copyright 2016 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.jboss.netty.buffer.ChannelBuffer; +import org.jboss.netty.buffer.ChannelBuffers; +import org.traccar.StringProtocolEncoder; +import org.traccar.helper.Log; +import org.traccar.model.Command; + +import java.nio.charset.StandardCharsets; + +public class EnforaProtocolEncoder extends StringProtocolEncoder { + + private ChannelBuffer encodeContent(String content) { + + ChannelBuffer buf = ChannelBuffers.dynamicBuffer(); + + byte[] contentBytes = content.getBytes(); + + buf.writeByte(0x00); // Byte 0 Length + buf.writeByte(contentBytes.length + 6); // Byte 1 Length + buf.writeByte(0x00); // Byte 2 Api Number Sequence + buf.writeByte(0x00); // Byte 3 Api Number Sequence + buf.writeByte(0x04); // Byte 4 Command Type 4 AT Command + buf.writeByte(0x00); // Byte 5 API Optional Header + // Byte 6+m AT Command + buf.writeBytes(content.getBytes(StandardCharsets.UTF_8)); + + return buf; + } + + @Override + protected Object encodeCommand(Command command) { + + initDevicePassword(command, ""); + + switch (command.getType()) { + case Command.TYPE_CUSTOM: + return encodeContent(command.getString(Command.KEY_DATA)); + case Command.TYPE_ENGINE_STOP: + return encodeContent("AT$IOGP3=1"); + case Command.TYPE_ENGINE_RESUME: + return encodeContent("AT$IOGP3=0"); + default: + Log.warning(new UnsupportedOperationException(command.getType())); + break; + } + + return null; + } + +} |