FormattableFlags.java 4.0 KB

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  1. /* FormattableFlags.java --
  2. Copyright (C) 2005 Free Software Foundation, Inc.
  3. This file is part of GNU Classpath.
  4. GNU Classpath is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 2, or (at your option)
  7. any later version.
  8. GNU Classpath is distributed in the hope that it will be useful, but
  9. WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with GNU Classpath; see the file COPYING. If not, write to the
  14. Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  15. 02110-1301 USA.
  16. Linking this library statically or dynamically with other modules is
  17. making a combined work based on this library. Thus, the terms and
  18. conditions of the GNU General Public License cover the whole
  19. combination.
  20. As a special exception, the copyright holders of this library give you
  21. permission to link this library with independent modules to produce an
  22. executable, regardless of the license terms of these independent
  23. modules, and to copy and distribute the resulting executable under
  24. terms of your choice, provided that you also meet, for each linked
  25. independent module, the terms and conditions of the license of that
  26. module. An independent module is a module which is not derived from
  27. or based on this library. If you modify this library, you may extend
  28. this exception to your version of the library, but you are not
  29. obligated to do so. If you do not wish to do so, delete this
  30. exception statement from your version. */
  31. package java.util;
  32. /**
  33. * This class contains a set of flags used
  34. * by the {@link Formattable#formatTo()} method.
  35. * They are used to modify the output of the
  36. * {@link Formattable}. The interpretation and
  37. * validation of the flags is left to the
  38. * particular {@link Formattable}.
  39. *
  40. * @author Tom Tromey (tromey@redhat.com)
  41. * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
  42. * @since 1.5
  43. */
  44. public class FormattableFlags
  45. {
  46. /**
  47. * Requires the output to be left-justified. Any spaces
  48. * required to meet the specified width will be added to
  49. * the right of the output. The default output is
  50. * right-justified, where spaces are added to the left.
  51. * The output is as for the format specifier
  52. * '-' ('\u002d').
  53. */
  54. public static final int LEFT_JUSTIFY = 1;
  55. /**
  56. * Requires the output to be in uppercase. The output
  57. * should be the same as the result from calling
  58. * {@link String#toUpperCase(java.util.Locale)} with
  59. * the formatting locale. The output is as for the
  60. * format specifier '^' ('\u005e').
  61. */
  62. public static final int UPPERCASE = 2;
  63. /**
  64. * Requires the use of an alternate form, as specified
  65. * in the documentation of {@link Formattable}.
  66. * The output is as for the format specifier
  67. * '#' ('\u0023').
  68. */
  69. public static final int ALTERNATE = 4;
  70. // Used internally by Formatter.
  71. // Changes here must be reflected in the FLAGS string there.
  72. /**
  73. * Requires the output to always include a '+' sign.
  74. * The output is as for the format specifier '+'.
  75. */
  76. static final int PLUS = 8;
  77. /**
  78. * Requires the output to include a leading space on
  79. * positive value. The output is as for the format
  80. * specifier ' '.
  81. */
  82. static final int SPACE = 16;
  83. /**
  84. * Requires the output to be zero-padded. The output
  85. * is as for the format specifier '0'.
  86. */
  87. static final int ZERO = 32;
  88. /**
  89. * Requires the output to include locale-specific
  90. * grouping operators. The output is as for the
  91. * format specifier ','.
  92. */
  93. static final int COMMA = 64;
  94. /**
  95. * Requires the output to include negative numbers
  96. * enclosed in parentheses. The output is as for
  97. * the format specifier '('.
  98. */
  99. static final int PAREN = 128;
  100. // Not instantiable.
  101. private FormattableFlags()
  102. {
  103. }
  104. }