<commit_before>/*
 * Copyright 2013 - 2015 <NAME> (<EMAIL>)
 *
 * 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.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.model.Position;

import java.net.SocketAddress;
import java.util.regex.Pattern;

public class MegastekProtocolDecoder extends BaseProtocolDecoder {

    public MegastekProtocolDecoder(MegastekProtocol protocol) {
        super(protocol);
    }

    private static final Pattern PATTERN_GPRMC = new PatternBuilder()
            .text("$GPRMC,")
            .number("(dd)(dd)(dd).d+,")          // time
            .expression("([AV]),")               // validity
            .number("(d+)(dd.d+),([NS]),")       // latitude
            .number("(d+)(dd.d+),([EW]),")       // longitude
            .number("(d+.d+)?,")                 // speed
            .number("(d+.d+)?,")                 // course
            .number("(dd)(dd)(dd)")              // date (ddmmyy)
            .any()                               // checksum
            .compile();

    private static final Pattern PATTERN_SIMPLE = new PatternBuilder()
            .expression("[FL],")                 // flag
            .expression("([^,]*),")              // alarm
            .number("imei:(d+),")                // imei
            .number("(d+/?d*)?,")                // satellites
            .number("(d+.d+)?,")                 // altitude
            .number("Battery=(d+)%,,?")          // battery
            .number("(d)?,")                     // charger
            .number("(d+)?,")                    // mcc
            .number("(d+)?,")                    // mnc
            .number("(xxxx),")                   // lac
            .number("(xxxx);")                   // cid
            .any()                               // checksum
            .compile();

    private static final Pattern PATTERN_ALTERNATIVE = new PatternBuilder()
            .number("(d+),")                     // mcc
            .number("(d+),")                     // mnc
            .number("(xxxx),")                   // lac
            .number("(xxxx),")                   // cid
            .number("(d+),")                     // gsm signal
            .number("(d+),")                     // battery
            .number("(d+),")                     // flags
            .number("(d+),")                     // inputs
            .number("(?:(d+),)?")                // outputs
            .number("(d.?d*),")                  // adc 1
            .groupBegin()
            .number("(d.dd),")                   // adc 2
            .number("(d.dd),")                   // adc 3
            .groupEnd("?")
            .expression("([^;]+);")              // alarm
            .any()                               // checksum
            .compile();

    private boolean parseLocation(String location, Position position) {

        Parser parser = new Parser(PATTERN_GPRMC, location);
        if (!parser.matches()) {
            return false;
        }

        DateBuilder dateBuilder = new DateBuilder()
                .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());

        position.setValid(parser.next().equals("A"));
        position.setLatitude(parser.nextCoordinate());
        position.setLongitude(parser.nextCoordinate());
        position.setSpeed(parser.nextDouble());
        position.setCourse(parser.nextDouble());

        dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
        position.setTime(dateBuilder.getDate());

        return true;
    }

    private Position decodeOld(Channel channel, SocketAddress remoteAddress, String sentence) {

        // Detect type
        boolean simple = sentence.charAt(3) == ',' || sentence.charAt(6) == ',';

        // Split message
        String id;
        String location;
        String status;
        if (simple) {

            int beginIndex = sentence.indexOf(',') + 1;
            int endIndex = sentence.indexOf(',', beginIndex);
            id = sentence.substring(beginIndex, endIndex);

            beginIndex = endIndex + 1;
            endIndex = sentence.indexOf('*', beginIndex);
            if (endIndex != -1) {
                endIndex += 3;
            } else {
                endIndex = sentence.length();
            }
            location = sentence.substring(beginIndex, endIndex);

            beginIndex = endIndex + 1;
            if (beginIndex > sentence.length()) {
                beginIndex = endIndex;
            }
            status = sentence.substring(beginIndex);

        } else {

            int beginIndex = 3;
            int endIndex = beginIndex + 16;
            id = sentence.substring(beginIndex, endIndex).trim();

            beginIndex = endIndex + 2;
            endIndex = sentence.indexOf('*', beginIndex) + 3;
            location = sentence.substring(beginIndex, endIndex);

            beginIndex = endIndex + 1;
            status = sentence.substring(beginIndex);

        }

        Position position = new Position();
        position.setProtocol(getProtocolName());
        if (!parseLocation(location, position)) {
            return null;
        }

        if (simple) {

            Parser parser = new Parser(PATTERN_SIMPLE, status);
            if (parser.matches()) {

                position.set(Position.KEY_ALARM, parser.next());

                if (!identify(parser.next(), channel, remoteAddress, false) && !identify(id, channel, remoteAddress)) {
                    return null;
                }
                position.setDeviceId(getDeviceId());

                position.set(Position.KEY_SATELLITES, parser.next());

                position.setAltitude(parser.nextDouble());

                position.set(Position.KEY_POWER, parser.nextDouble());

                String charger = parser.next();
                if (charger != null) {
                    position.set(Position.KEY_CHARGE, Integer.parseInt(charger) == 1);
                }

                if (parser.hasNext(3)) {
                    position.set(Position.KEY_MCC, parser.nextInt());
                    position.set(Position.KEY_MNC, parser.nextInt());
                    position.set(Position.KEY_LAC, parser.nextInt(16));
                    position.set(Position.KEY_CID, parser.nextInt(16));
                }

            } else {

                if (!identify(id, channel, remoteAddress)) {
                    return null;
                }
                position.setDeviceId(getDeviceId());

            }

        } else {

            Parser parser = new Parser(PATTERN_ALTERNATIVE, status);
            if (parser.matches()) {
<commit_msg>Fix minor decoder issue for Megastek<commit_after>/*
 * Copyright 2013 - 2015 <NAME> (<EMAIL>)
 *
 * 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.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.model.Position;

import java.net.SocketAddress;
import java.util.regex.Pattern;

public class MegastekProtocolDecoder extends BaseProtocolDecoder {

    public MegastekProtocolDecoder(MegastekProtocol protocol) {
        super(protocol);
    }

    private static final Pattern PATTERN_GPRMC = new PatternBuilder()
            .text("$GPRMC,")
            .number("(dd)(dd)(dd).d+,")          // time
            .expression("([AV]),")               // validity
            .number("(d+)(dd.d+),([NS]),")       // latitude
            .number("(d+)(dd.d+),([EW]),")       // longitude
            .number("(d+.d+)?,")                 // speed
            .number("(d+.d+)?,")                 // course
            .number("(dd)(dd)(dd)")              // date (ddmmyy)
            .any()                               // checksum
            .compile();

    private static final Pattern PATTERN_SIMPLE = new PatternBuilder()
            .expression("[FL],")                 // flag
            .expression("([^,]*),")              // alarm
            .number("imei:(d+),")                // imei
            .number("(d+/?d*)?,")                // satellites
            .number("(d+.d+)?,")                 // altitude
            .number("Battery=(d+)%,,?")          // battery
            .number("(d)?,")                     // charger
            .number("(d+)?,")                    // mcc
            .number("(d+)?,")                    // mnc
            .number("(xxxx),")                   // lac
            .number("(xxxx);")                   // cid
            .any()                               // checksum
            .compile();

    private static final Pattern PATTERN_ALTERNATIVE = new PatternBuilder()
            .number("(d+),")                     // mcc
            .number("(d+),")                     // mnc
            .number("(xxxx),")                   // lac
            .number("(xxxx),")                   // cid
            .number("(d+),")                     // gsm signal
            .number("(d+),")                     // battery
            .number("(d+),")                     // flags
            .number("(d+),")                     // inputs
            .number("(?:(d+),)?")                // outputs
            .number("(d.?d*),")                  // adc 1
            .groupBegin()
            .number("(d.dd),")                   // adc 2
            .number("(d.dd),")                   // adc 3
            .groupEnd("?")
            .expression("([^;]+);")              // alarm
            .any()                               // checksum
            .compile();

    private boolean parseLocation(String location, Position position) {

        Parser parser = new Parser(PATTERN_GPRMC, location);
        if (!parser.matches()) {
            return false;
        }

        DateBuilder dateBuilder = new DateBuilder()
                .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());

        position.setValid(parser.next().equals("A"));
        position.setLatitude(parser.nextCoordinate());
        position.setLongitude(parser.nextCoordinate());
        position.setSpeed(parser.nextDouble());
        position.setCourse(parser.nextDouble());

        dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
        position.setTime(dateBuilder.getDate());

        return true;
    }

    private Position decodeOld(Channel channel, SocketAddress remoteAddress, String sentence) {

        // Detect type
        boolean simple = sentence.charAt(3) == ',' || sentence.charAt(6) == ',';

        // Split message
        String id;
        String location;
        String status;
        if (simple) {

            int beginIndex = sentence.indexOf(',') + 1;
            int endIndex = sentence.indexOf(',', beginIndex);
            id = sentence.substring(beginIndex, endIndex);

            beginIndex = endIndex + 1;
            endIndex = sentence.indexOf('*', beginIndex);
            if (endIndex != -1) {
                endIndex += 3;
            } else {
                endIndex = sentence.length();
            }
            location = sentence.substring(beginIndex, endIndex);

            beginIndex = endIndex + 1;
            if (beginIndex > sentence.length()) {
                beginIndex = endIndex;
            }
            status = sentence.substring(beginIndex);

        } else {

            int beginIndex = 3;
            int endIndex = beginIndex + 16;
            id = sentence.substring(beginIndex, endIndex).trim();

            beginIndex = endIndex + 2;
            endIndex = sentence.indexOf('*', beginIndex) + 3;
            location = sentence.substring(beginIndex, endIndex);

            beginIndex = endIndex + 1;
            status = sentence.substring(beginIndex);

        }

        Position position = new Position();
        position.setProtocol(getProtocolName());
        if (!parseLocation(location, position)) {
            return null;
        }

        if (simple) {

            Parser parser = new Parser(PATTERN_SIMPLE, status);
            if (parser.matches()) {

                position.set(Position.KEY_ALARM, parser.next());

                if (!identify(parser.next(), channel, remoteAddress, false) && !identify(id, channel, remoteAddress)) {
                    return null;
                }
                position.setDeviceId(getDeviceId());

                position.set(Position.KEY_SATELLITES, parser.next());

                position.setAltitude(parser.nextDouble());

                position.set(Position.KEY_POWER, parser.nextDouble());

                String charger = parser.next();
                if (charger != null) {
                    position.set(Position.KEY_CHARGE, Integer.parseInt(charger) == 1);
                }

                if (parser.hasNext(4)) {
                    position.set(Position.KEY_MCC, parser.nextInt());
                    position.set(Position.KEY_MNC, parser.nextInt());
                    position.set(Position.KEY_LAC, parser.nextInt(16));
                    position.set(Position.KEY_CID, parser.nextInt(16));
                }

            } else {

                if (!identify(id, channel, remoteAddress)) {
                    return null;
                }
                position.setDeviceId(getDeviceId());

            }

        } else {

            Parser parser = new Parser(PATTERN_ALTERNATIVE, status);
            if (parser.matches()) {

{'fraction_non_alphanumeric': 0.13441844693116312, 'fraction_numerical': 0.004611732790776534, 'mean_word_length': 1.5044157608695652, 'pattern_counts': {'":': 0, '<': 7, '<?xml version=': 0, '>': 9, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 6, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '132018', 'n_tokens_mistral': 3963, 'n_tokens_neox': 3689, 'n_words': 813}