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1   /*
2    * Portions of this software was developed by employees of the National Institute
3    * of Standards and Technology (NIST), an agency of the Federal Government and is
4    * being made available as a public service. Pursuant to title 17 United States
5    * Code Section 105, works of NIST employees are not subject to copyright
6    * protection in the United States. This software may be subject to foreign
7    * copyright. Permission in the United States and in foreign countries, to the
8    * extent that NIST may hold copyright, to use, copy, modify, create derivative
9    * works, and distribute this software and its documentation without fee is hereby
10   * granted on a non-exclusive basis, provided that this notice and disclaimer
11   * of warranty appears in all copies.
12   *
13   * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
14   * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
15   * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
16   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
17   * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
18   * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
19   * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
20   * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
21   * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
22   * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
23   * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
24   * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
25   */
26  
27  package gov.nist.secauto.metaschema.cli.processor;
28  
29  import edu.umd.cs.findbugs.annotations.NonNull;
30  
31  public enum ExitCode {
32    /**
33     * The command executed without issue.
34     */
35    OK(0),
36    /**
37     * The command executed properly, but the operation failed.
38     */
39    FAIL(1),
40    /**
41     * An error occurred while reading or writing.
42     */
43    IO_ERROR(2),
44    /**
45     * A command was requested by name that doesn't exist or required arguments are
46     * missing.
47     */
48    INVALID_COMMAND(3),
49    /**
50     * The target argument was not found or invalid.
51     */
52    INVALID_TARGET(4),
53    /**
54     * Handled errors that occur during command execution.
55     */
56    PROCESSING_ERROR(5),
57    /**
58     * Unhandled errors that occur during command execution.
59     */
60    RUNTIME_ERROR(6),
61    /**
62     * The provided argument information for a command fails to match argument use
63     * requirements.
64     */
65    INVALID_ARGUMENTS(7);
66  
67    private final int statusCode;
68  
69    ExitCode(int statusCode) {
70      this.statusCode = statusCode;
71    }
72  
73    /**
74     * Get the related status code for use with {@link System#exit(int)}.
75     *
76     * @return the statusCode
77     */
78    public int getStatusCode() {
79      return statusCode;
80    }
81  
82    /**
83     * Exit without a message.
84     *
85     * @return the exit status
86     */
87    @NonNull
88    public ExitStatus exit() {
89      return new NonMessageExitStatus(this);
90    }
91  
92    /**
93     * Exit with the associated message.
94     *
95     * @return the exit status
96     */
97    @NonNull
98    public ExitStatus exitMessage() {
99      return new MessageExitStatus(this);
100   }
101 
102   /**
103    * Exit with the associated message and message arguments.
104    *
105    * @param messageArguments
106    *          any message parameters
107    *
108    * @return the exit status
109    */
110   @NonNull
111   public ExitStatus exitMessage(@NonNull Object... messageArguments) {
112     return new MessageExitStatus(this, messageArguments);
113   }
114 }