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Diffstat (limited to 'src/main/java/org/traccar/protocol/WatchProtocolEncoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/WatchProtocolEncoder.java167
1 files changed, 167 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/WatchProtocolEncoder.java b/src/main/java/org/traccar/protocol/WatchProtocolEncoder.java
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+++ b/src/main/java/org/traccar/protocol/WatchProtocolEncoder.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright 2016 - 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.protocol;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import org.traccar.StringProtocolEncoder;
+import org.traccar.helper.DataConverter;
+import org.traccar.model.Command;
+
+import java.nio.charset.StandardCharsets;
+import java.text.DecimalFormat;
+import java.text.DecimalFormatSymbols;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+import java.util.TimeZone;
+
+public class WatchProtocolEncoder extends StringProtocolEncoder implements StringProtocolEncoder.ValueFormatter {
+
+ @Override
+ public String formatValue(String key, Object value) {
+ if (key.equals(Command.KEY_TIMEZONE)) {
+ double offset = TimeZone.getTimeZone((String) value).getRawOffset() / 3600000.0;
+ DecimalFormat fmt = new DecimalFormat("+#.##;-#.##", DecimalFormatSymbols.getInstance(Locale.US));
+ return fmt.format(offset);
+ } else if (key.equals(Command.KEY_MESSAGE)) {
+ return DataConverter.printHex(value.toString().getBytes(StandardCharsets.UTF_16BE));
+ } else if (key.equals(Command.KEY_ENABLE)) {
+ return (boolean) value ? "1" : "0";
+ }
+
+ return null;
+ }
+
+ protected ByteBuf formatTextCommand(Channel channel, Command command, String format, String... keys) {
+ String content = formatCommand(command, format, this, keys);
+ ByteBuf buf = Unpooled.copiedBuffer(content, StandardCharsets.US_ASCII);
+
+ return formatBinaryCommand(channel, command, "", buf);
+ }
+
+ protected ByteBuf formatBinaryCommand(Channel channel, Command command, String textPrefix, ByteBuf data) {
+ boolean hasIndex = false;
+ String manufacturer = "CS";
+ if (channel != null) {
+ WatchProtocolDecoder decoder = channel.pipeline().get(WatchProtocolDecoder.class);
+ if (decoder != null) {
+ hasIndex = decoder.getHasIndex();
+ manufacturer = decoder.getManufacturer();
+ }
+ }
+
+ ByteBuf buf = Unpooled.buffer();
+ buf.writeByte('[');
+ buf.writeCharSequence(manufacturer, StandardCharsets.US_ASCII);
+ buf.writeByte('*');
+ buf.writeCharSequence(getUniqueId(command.getDeviceId()), StandardCharsets.US_ASCII);
+ buf.writeByte('*');
+ if (hasIndex) {
+ buf.writeCharSequence("0001", StandardCharsets.US_ASCII);
+ buf.writeByte('*');
+ }
+ buf.writeCharSequence(String.format("%04x", data.readableBytes() + textPrefix.length()),
+ StandardCharsets.US_ASCII);
+ buf.writeByte('*');
+ buf.writeCharSequence(textPrefix, StandardCharsets.US_ASCII);
+ buf.writeBytes(data);
+ buf.writeByte(']');
+
+ return buf;
+ }
+
+ private static Map<Byte, Byte> mapping = new HashMap<>();
+
+ static {
+ mapping.put((byte) 0x7d, (byte) 0x01);
+ mapping.put((byte) 0x5B, (byte) 0x02);
+ mapping.put((byte) 0x5D, (byte) 0x03);
+ mapping.put((byte) 0x2C, (byte) 0x04);
+ mapping.put((byte) 0x2A, (byte) 0x05);
+ }
+
+ private ByteBuf getBinaryData(Command command) {
+ byte[] data = DataConverter.parseHex(command.getString(Command.KEY_DATA));
+
+ int encodedLength = data.length;
+ for (byte b : data) {
+ if (mapping.containsKey(b)) {
+ encodedLength += 1;
+ }
+ }
+
+ int index = 0;
+ byte[] encodedData = new byte[encodedLength];
+
+ for (byte b : data) {
+ Byte replacement = mapping.get(b);
+ if (replacement != null) {
+ encodedData[index] = 0x7D;
+ index += 1;
+ encodedData[index] = replacement;
+ } else {
+ encodedData[index] = b;
+ }
+ index += 1;
+ }
+
+ return Unpooled.copiedBuffer(encodedData);
+ }
+
+ @Override
+ protected Object encodeCommand(Channel channel, Command command) {
+
+ switch (command.getType()) {
+ case Command.TYPE_CUSTOM:
+ return formatTextCommand(channel, command, command.getString(Command.KEY_DATA));
+ case Command.TYPE_POSITION_SINGLE:
+ return formatTextCommand(channel, command, "RG");
+ case Command.TYPE_SOS_NUMBER:
+ return formatTextCommand(channel, command, "SOS{%s},{%s}", Command.KEY_INDEX, Command.KEY_PHONE);
+ case Command.TYPE_ALARM_SOS:
+ return formatTextCommand(channel, command, "SOSSMS,{%s}", Command.KEY_ENABLE);
+ case Command.TYPE_ALARM_BATTERY:
+ return formatTextCommand(channel, command, "LOWBAT,{%s}", Command.KEY_ENABLE);
+ case Command.TYPE_REBOOT_DEVICE:
+ return formatTextCommand(channel, command, "RESET");
+ case Command.TYPE_POWER_OFF:
+ return formatTextCommand(channel, command, "POWEROFF");
+ case Command.TYPE_ALARM_REMOVE:
+ return formatTextCommand(channel, command, "REMOVE,{%s}", Command.KEY_ENABLE);
+ case Command.TYPE_SILENCE_TIME:
+ return formatTextCommand(channel, command, "SILENCETIME,{%s}", Command.KEY_DATA);
+ case Command.TYPE_ALARM_CLOCK:
+ return formatTextCommand(channel, command, "REMIND,{%s}", Command.KEY_DATA);
+ case Command.TYPE_SET_PHONEBOOK:
+ return formatTextCommand(channel, command, "PHB,{%s}", Command.KEY_DATA);
+ case Command.TYPE_MESSAGE:
+ return formatTextCommand(channel, command, "MESSAGE,{%s}", Command.KEY_MESSAGE);
+ case Command.TYPE_VOICE_MESSAGE:
+ return formatBinaryCommand(channel, command, "TK,", getBinaryData(command));
+ case Command.TYPE_POSITION_PERIODIC:
+ return formatTextCommand(channel, command, "UPLOAD,{%s}", Command.KEY_FREQUENCY);
+ case Command.TYPE_SET_TIMEZONE:
+ return formatTextCommand(channel, command, "LZ,,{%s}", Command.KEY_TIMEZONE);
+ case Command.TYPE_SET_INDICATOR:
+ return formatTextCommand(channel, command, "FLOWER,{%s}", Command.KEY_DATA);
+ default:
+ return null;
+ }
+ }
+
+}