View Javadoc

1   /*
2    IntegerIntervalOptionArgumentImpl.java
3    Creation date : 20/10/2010
4    Copyright © Benjamin Croizet (graffity2199@yahoo.fr)
5   
6    This program is free software; you can redistribute it and/or
7    modify it under the terms of the GNU General Public License
8    or GNU Lesser General Public License as published by the
9    Free Software Foundation; either version 3 of the License,
10   or (at your option) any later version.
11  
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16  
17   You should have received copies of the GNU General Public License
18   and GNU Lesser General Public License along with this program;
19   if not, write to the Free Software Foundation, Inc.,
20   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21   http://www.fsf.org/licensing/licenses/gpl.html
22   http://www.gnu.org/licenses/lgpl.html
23   */
24  
25  package net.sourceforge.plantumldependency.commoncli.option.argument.impl.integer;
26  
27  import static java.lang.Integer.valueOf;
28  import static net.sourceforge.plantumldependency.common.constants.CharacterConstants.DOT_CHAR;
29  import static net.sourceforge.plantumldependency.common.utils.log.LogUtils.buildLogString;
30  import static net.sourceforge.plantumldependency.common.utils.string.StringUtils.isNotEmpty;
31  import static net.sourceforge.plantumldependency.commoncli.constants.log.ErrorConstants.EMPTY_OPTION_ARGUMENT_ERROR;
32  import static net.sourceforge.plantumldependency.commoncli.constants.log.ErrorConstants.INTEGER_OUT_OF_RANGE_ARGUMENT_ERROR;
33  import static net.sourceforge.plantumldependency.commoncli.constants.log.ErrorConstants.NOT_INTEGER_ARGUMENT_ERROR;
34  import net.sourceforge.plantumldependency.commoncli.exception.CommandLineException;
35  import net.sourceforge.plantumldependency.commoncli.option.argument.AbstractOptionArgument;
36  
37  /**
38   * The integer interval implementation of the
39   * {@link net.sourceforge.plantumldependency.commoncli.option.argument.OptionArgument} interface,
40   * specifying an {@link Integer} argument within a interval.
41   *
42   * @author Benjamin Croizet (<a href="mailto:graffity2199@yahoo.fr>graffity2199@yahoo.fr</a>)
43   * @since 1.3.0
44   * @version 1.3.0
45   */
46  public class IntegerIntervalOptionArgumentImpl extends AbstractOptionArgument < Integer > {
47  
48      /** Serial version UID. */
49      private static final long serialVersionUID = -1321717914491985645L;
50  
51      /** The argument main usage constant. */
52      private static final String MAIN_USAGE = "INTEGER";
53  
54      /** The argument main usage description constant. */
55      private static final String USAGE_DESCRIPTION = MAIN_USAGE + " specifies an integer within an interval, between ";
56  
57      /** The and string constant. */
58      protected static final String AND_STRING = " and ";
59  
60      /**
61       * The maximum {@link Integer} to accept, including it, must be higher than <code>minimum</code>
62       * .
63       */
64      private Integer maximum;
65  
66      /**
67       * The minimum {@link Integer} to accept, including it, must be lower than <code>maximum</code>
68       * .
69       */
70      private Integer minimum;
71  
72      /**
73       * Default constructor.
74       *
75       * @param min
76       *            the minimum {@link Integer} to accept, including it, must be lower than
77       *            <code>maximum</code>.
78       * @param max
79       *            the maximum {@link Integer} to accept, including it, must be higher than
80       *            <code>minimum</code>.
81       * @param optionArgumentIsMandatory
82       *            <code>true</code> if the argument is mandatory, <code>false</code> otherwise.
83       * @since 1.3.0
84       */
85      public IntegerIntervalOptionArgumentImpl(final Integer min, final Integer max,
86              final boolean optionArgumentIsMandatory) {
87          this(min, max, optionArgumentIsMandatory, new StringBuilder(USAGE_DESCRIPTION + min + AND_STRING + max
88                  + DOT_CHAR));
89      }
90  
91      /**
92       * Default constructor.
93       *
94       * @param min
95       *            the minimum {@link Integer} to accept, including it, must be lower than
96       *            <code>maximum</code>.
97       * @param max
98       *            the maximum {@link Integer} to accept, including it, must be higher than
99       *            <code>minimum</code>.
100      * @param optionArgumentIsMandatory
101      *            <code>true</code> if the argument is mandatory, <code>false</code> otherwise.
102      * @param fullArgumentDescription
103      *            the full argument usage description, explaining what the argument does (used for
104      *            helping message). <i>Note : a new {@link StringBuilder} is created.</i>
105      * @since 1.3.0
106      */
107     public IntegerIntervalOptionArgumentImpl(final Integer min, final Integer max,
108             final boolean optionArgumentIsMandatory, final StringBuilder fullArgumentDescription) {
109         super(optionArgumentIsMandatory, fullArgumentDescription);
110         setMaximum(max);
111         setMinimum(min);
112     }
113 
114     /**
115      * {@inheritDoc}
116      *
117      * @since 1.3.0
118      */
119     @Override
120     protected String getMainUsageDescription() {
121         return MAIN_USAGE;
122     }
123 
124     /**
125      * Gets the value of <code>maximum</code>.
126      *
127      * @return the value of <code>maximum</code>.
128      * @see #setMaximum(Integer)
129      * @since 1.3.0
130      */
131     private Integer getMaximum() {
132         return maximum;
133     }
134 
135     /**
136      * Gets the value of <code>minimum</code>.
137      *
138      * @return the value of <code>minimum</code>.
139      * @see #setMinimum(Integer)
140      * @since 1.3.0
141      */
142     private Integer getMinimum() {
143         return minimum;
144     }
145 
146     /**
147      * {@inheritDoc}
148      *
149      * @since 1.3.0
150      */
151     @Override
152     public Integer parseArgument(final String argument) throws CommandLineException {
153         Integer integer = null;
154 
155         if (isNotEmpty(argument)) {
156             try {
157                 integer = valueOf(argument);
158                 if (integer.compareTo(getMinimum()) < 0) {
159                     throw new CommandLineException(buildLogString(INTEGER_OUT_OF_RANGE_ARGUMENT_ERROR, new Object[] {
160                             argument, getMinimum(), getMaximum()}));
161                 } else if (integer.compareTo(getMaximum()) > 0) {
162                     throw new CommandLineException(buildLogString(INTEGER_OUT_OF_RANGE_ARGUMENT_ERROR, new Object[] {
163                             argument, getMinimum(), getMaximum()}));
164                 }
165             } catch (final NumberFormatException e) {
166                 throw new CommandLineException(buildLogString(NOT_INTEGER_ARGUMENT_ERROR, argument), e);
167             }
168         } else {
169             throw new CommandLineException(EMPTY_OPTION_ARGUMENT_ERROR);
170         }
171 
172         return integer;
173     }
174 
175     /**
176      * Sets the value of <code>maximum</code>.
177      *
178      * @param value
179      *            the <code>maximum</code> to set, can be <code>null</code>.
180      * @see #getMaximum()
181      * @since 1.3.0
182      */
183     private void setMaximum(final Integer value) {
184         maximum = value;
185     }
186 
187     /**
188      * Sets the value of <code>minimum</code>.
189      *
190      * @param value
191      *            the <code>minimum</code> to set, can be <code>null</code>.
192      * @see #getMinimum()
193      * @since 1.3.0
194      */
195     private void setMinimum(final Integer value) {
196         minimum = value;
197     }
198 }