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A client-side Java library to interact with Scalar DL network.
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/*
 * This file is part of the Scalar DL client SDK.
 * Copyright (c) 2019 Scalar, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see .
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. For more information, please contact Scalar, Inc.
 */
package com.scalar.dl.client.tool;

import com.scalar.dl.client.config.ClientConfig;
import com.scalar.dl.client.exception.ClientException;
import com.scalar.dl.client.service.ClientService;
import com.scalar.dl.client.service.ClientServiceFactory;
import java.io.File;
import java.io.StringReader;
import java.util.Optional;
import java.util.concurrent.Callable;
import javax.json.Json;
import javax.json.JsonValue;
import picocli.CommandLine;
import picocli.CommandLine.Command;

@Command(name = "register-contract", description = "Register a specified contract.")
public class ContractRegistration implements Callable {

  @CommandLine.Option(
      names = {"--properties", "--config"},
      required = true,
      paramLabel = "PROPERTIES_FILE",
      description = "A configuration file in properties format.")
  private String properties;

  @CommandLine.Option(
      names = {"--contract-id"},
      required = true,
      paramLabel = "CONTRACT_ID",
      description = "An ID of a contract to register.")
  private String contractId;

  @CommandLine.Option(
      names = {"--contract-binary-name"},
      required = true,
      paramLabel = "CONTRACT_BINARY_NAME",
      description = "A binary name of a contract to register.")
  private String contractBinaryName;

  @CommandLine.Option(
      names = {"--contract-class-file"},
      required = true,
      paramLabel = "CONTRACT_CLASS_FILE",
      description = "A contract class file to register.")
  private String contractClassFile;

  @CommandLine.Option(
      names = {"--contract-properties"},
      required = false,
      paramLabel = "CONTRACT_PROPERTIES",
      description = "A contract properties in serialized JSON format.")
  private String contractProperties;

  @CommandLine.Option(
      names = {"-h", "--help"},
      usageHelp = true,
      description = "display the help message.")
  boolean helpRequested;

  public static void main(String[] args) {
    int exitCode = new CommandLine(new ContractRegistration()).execute(args);
    System.exit(exitCode);
  }

  @Override
  public Integer call() throws Exception {
    ClientServiceFactory factory = new ClientServiceFactory(new ClientConfig(new File(properties)));

    try (ClientService service = factory.getClientService()) {
      service.registerContract(
          contractId,
          contractBinaryName,
          contractClassFile,
          Optional.ofNullable(contractProperties)
              .map(p -> Json.createReader(new StringReader(p)).readObject()));
      Common.printOutput(JsonValue.NULL);
      return 0;
    } catch (ClientException e) {
      Common.printError(e);
      return 1;
    }
  }
}