examples/hello-cloud-azure/src/main/java/org/apache/plc4x/java/examples/cloud/azure/CliOptions.java

/*
 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements.  See the NOTICE file
 distributed with this work for additional information
 regarding copyright ownership.  The ASF licenses this file
 to you 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.apache.plc4x.java.examples.cloud.azure;

import org.apache.commons.cli.*;

public class CliOptions {

    private static Options options;

    private final String plc4xConnectionString;
    private final String plc4xFieldAddress;
    private final String iotHubConnectionString;

    public static CliOptions fromArgs(String[] args) {
        options = new Options();
        // Required arguments
        options.addOption(
            Option.builder()
                .type(String.class)
                .longOpt("plc4x-connection-string")
                .hasArg()
                .desc("Connection String")
                .required()
                .build());
        options.addOption(
            Option.builder()
                .type(String.class)
                .longOpt("plc4x-field-address")
                .hasArg()
                .desc("Field Address.")
                .required()
                .build());
        options.addOption(
            Option.builder()
                .type(String.class)
                .longOpt("iot-hub-connection-string")
                .hasArg()
                .desc("IoT Hub Connection String.")
                .required()
                .build());

        CommandLineParser parser = new DefaultParser();
        CommandLine commandLine;
        try {
            commandLine = parser.parse(options, args);

            String plc4xConnectionString = commandLine.getOptionValue("plc4x-connection-string");
            String plc4xFieldAddress = commandLine.getOptionValue("plc4x-field-address");
            String iotHubConnectionString = commandLine.getOptionValue("iot-hub-connection-string");

            return new CliOptions(plc4xConnectionString, plc4xFieldAddress, iotHubConnectionString);
        } catch (ParseException e) {
            System.err.println(e.getMessage());
            return null;
        }
    }

    public static void printHelp() {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp("S7PlcToAzureIoTHubSample", options);
    }

    public CliOptions(String plc4xConnectionString, String plc4xFieldAddress, String iotHubConnectionString) {
        this.plc4xConnectionString = plc4xConnectionString;
        this.plc4xFieldAddress = plc4xFieldAddress;
        this.iotHubConnectionString = iotHubConnectionString;
    }

    public String getPlc4xConnectionString() {
        return plc4xConnectionString;
    }

    public String getPlc4xFieldAddress() {
        return plc4xFieldAddress;
    }

    protected String getIotHubConnectionString() {
        return iotHubConnectionString;
    }

}