org.opentcs.virtualvehicle.Parsers Maven / Gradle / Ivy

Go to download
// SPDX-FileCopyrightText: The openTCS Authors
// SPDX-License-Identifier: MIT
package org.opentcs.virtualvehicle;

import com.google.common.primitives.Ints;
import jakarta.annotation.Nullable;

/**
 * This class provides methods for parsing.
 */
public class Parsers {

  /**
   * Prevents instantiation of this utility class.
   */
  private Parsers() {
  }

  /**
   * Parses a String to an int. If toParse could not be parsed successfully then the
   * default value retOnFail is returned.
   *
   * @param toParse the String to be parsed.
   * @param retOnFail default value that is returned if the String could not be parsed.
   * @return if the String could be parsed then the int value of the
   * String is returned, else retOnFail
   */
  public static int tryParseString(
      @Nullable
      String toParse,
      int retOnFail
  ) {

    if (toParse == null) {
      return retOnFail;
    }
    Integer parseTry = Ints.tryParse(toParse);
    if (parseTry == null) {
      return retOnFail;
    }
    return parseTry;

  }

}