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The PDS3 Product Tools Library project supports design/generation, validation and submission of archival products to the PDS. This project consists of a library of software classes to support the development of tools to perform these functions and is designed to be utilized by developers from the Engineering Node, Discipline Nodes and the PDS community.

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// Copyright 2019, California Institute of Technology ("Caltech").
// U.S. Government sponsorship acknowledged.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// • Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// • Redistributions must reproduce the above copyright notice, this list of
// conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
// • Neither the name of Caltech nor its operating division, the Jet Propulsion
// Laboratory, nor the names of its contributors may be used to endorse or
// promote products derived from this software without specific prior written
// permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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package gov.nasa.pds.tools.label;

import gov.nasa.pds.tools.LabelParserException;
import gov.nasa.pds.tools.constants.Constants.ProblemType;

import java.util.Date;

/**
 * Implements a parser for a PDS3 date/time string.
 * 
 * @author pramirez
 * @author jagander
 * @author merose
 * @version $Revision$
 */
public class DateTimeFormatter {
  /**
   * Parses a date/time string into a Java {@link Date}. Throws error exceptions
   * with respect to a designated label, if there are parse errors.
   * 
   * @param label
   *          the label in which the date/time string appears
   * @param dateTime
   *          the date/time string from the label
   * @param lineNumber
   *          the line number within the label where the date/time string
   *          appears
   * @return the date corresponding to the date/time string
   * @throws LabelParserException
   *           if there are any parse errors
   */
  public static Date parse(final Label label, final String dateTime,
      final int lineNumber) throws LabelParserException {
    try {
      return ParseDateTime.parse(dateTime);
    } catch (ParseDateTime.ParseException ex) {
      if (ex.getField() < 0) {
        throw new LabelParserException(label, lineNumber, null,
            "parser.error.invalidDate", //$NON-NLS-1$
            ProblemType.INVALID_DATE, dateTime);
      }

      throw new LabelParserException(label, lineNumber, null,
          "parser.error.dateOutOfRange", //$NON-NLS-1$
          ProblemType.INVALID_DATE, dateTime);
    }
  }

  public static Date lenientParse(final Label label, final String dateTime,
      final int lineNumber) throws LabelParserException {
    try {
      return ParseDateTime.lenientParse(dateTime);
    } catch (ParseDateTime.ParseException ex) {
      // ignore
    }

    throw new LabelParserException(label, lineNumber, null,
        "parser.error.invalidDate", //$NON-NLS-1$
        ProblemType.INVALID_DATE, dateTime);
  }
}