edu.cmu.sv.modelinference.eventtool.charting.AREventChartHandler.java Source code

Introduction

Here is the source code for edu.cmu.sv.modelinference.eventtool.charting.AREventChartHandler.java

Source

/**
 * Copyright 2016 Carnegie Mellon University
 *
 * 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 edu.cmu.sv.modelinference.eventtool.charting;

import java.util.List;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import edu.cmu.sv.modelinference.common.api.LogHandler;
import edu.cmu.sv.modelinference.common.api.LogProcessingException;
import edu.cmu.sv.modelinference.common.formats.DataPointCollection;
import edu.cmu.sv.modelinference.common.formats.ValueTrackerProducer;
import edu.cmu.sv.modelinference.common.formats.autoresolver.ARValueTracker;
import edu.cmu.sv.modelinference.common.formats.autoresolver.AutoresolverConfig;
import edu.cmu.sv.modelinference.common.formats.autoresolver.AutoresolverEntry;
import edu.cmu.sv.modelinference.common.formats.autoresolver.AutoresolverParser;
import edu.cmu.sv.modelinference.common.parser.LogReader;
import edu.cmu.sv.modelinference.common.parser.SequentialLogReader;

/**
 * @author Kasper Luckow
 *
 */
public class AREventChartHandler implements LogHandler<ValueTrackerProducer<?, DataPointCollection, ?>> {

    private static final Logger logger = LoggerFactory.getLogger(AREventChartHandler.class);
    private static final String FIELD_OPTS_ARG = "field";

    private final Options cmdOpts;

    private static AREventChartHandler instance = null;

    public static AREventChartHandler getInstance() {
        if (instance == null) {
            instance = new AREventChartHandler();
        }
        return instance;
    }

    private AREventChartHandler() {
        this.cmdOpts = createCmdOptions();
    }

    private Options createCmdOptions() {
        Options options = new Options();

        Option addOpts = Option.builder(FIELD_OPTS_ARG).argName("Field").hasArg()
                //Could make a list here based on values of ARValueTracker.FIELD
                .desc("Field to be tracked, e.g., speed, alt").build();

        options.addOption(addOpts);
        return options;
    }

    @Override
    public String getHandlerName() {
        return AutoresolverConfig.LOG_CONFIG_NAME;
    }

    @Override
    public ValueTrackerProducer<?, DataPointCollection, ?> process(String logFile, String logType,
            String[] additionalCmdArgs) throws LogProcessingException {
        CommandLineParser parser = new DefaultParser();
        CommandLine cmd;
        try {
            cmd = parser.parse(cmdOpts, additionalCmdArgs, false);
        } catch (ParseException e) {
            throw new LogProcessingException(e);
        }
        ARValueTracker.FIELD trackedFieldAR = null;
        try {
            trackedFieldAR = ARValueTracker.FIELD.valueOf(cmd.getOptionValue(FIELD_OPTS_ARG).toUpperCase());
        } catch (Exception e) {
            logger.error(e.getMessage());
            logger.error(
                    "Must be supplied a field to be tracked (e.g., pos_x) to [" + FIELD_OPTS_ARG + "] arg option");
            System.exit(-1);
        }

        LogReader<AutoresolverEntry> readerAR = new SequentialLogReader<>(new AutoresolverParser());
        return new ARValueTracker.ARDataPointsGenerator(trackedFieldAR, readerAR);
    }
}