edu.usf.cutr.onebusaway.nav.utils.CommandLineUtils.java Source code

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Here is the source code for edu.usf.cutr.onebusaway.nav.utils.CommandLineUtils.java

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/*
 * Copyright 2016-2018 University of South Florida
 *
 * 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.usf.cutr.onebusaway.nav.utils;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.Options;

import java.io.FileNotFoundException;

public class CommandLineUtils {

    public static String getInputFilePath(String args[]) throws Exception {
        Options options = new Options();
        options.addOption("i", true, "Input io path");

        CommandLineParser parser = new DefaultParser();
        CommandLine cmd = parser.parse(options, args);
        return getInputPath(cmd);
    }

    private static String getInputPath(CommandLine cmd) throws FileNotFoundException {
        String filePath;
        if (cmd.hasOption("i")) {
            filePath = cmd.getOptionValue("i");
        } else {
            throw new FileNotFoundException("CSV file path not provided");
        }
        return filePath;
    }
}