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1   /*
2    ProgrammingLanguage.java
3    Creation date : 19/06/2010
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.cli.main.option.programminglanguage.argument;
26  
27  import static java.util.Collections.unmodifiableMap;
28  import static java.util.logging.Level.FINE;
29  import static java.util.logging.Logger.getLogger;
30  import static net.sourceforge.plantumldependency.cli.constants.log.ErrorConstants.PROGRAMMING_LANGUAGE_NAME_NULL_ERROR;
31  import static net.sourceforge.plantumldependency.cli.constants.log.ErrorConstants.UNKNOWN_PROGRAMMING_LANGUAGE_ERROR;
32  import static net.sourceforge.plantumldependency.cli.constants.log.FineConstants.PROGRAMMING_LANGUAGE_FOUND_FINE;
33  import static net.sourceforge.plantumldependency.common.utils.check.ParameterCheckerUtils.checkNullOrEmpty;
34  import static net.sourceforge.plantumldependency.common.utils.comparable.ComparableResult.EQUAL;
35  import static net.sourceforge.plantumldependency.common.utils.log.LogUtils.buildLogString;
36  
37  import java.io.Serializable;
38  import java.util.Collection;
39  import java.util.Map;
40  import java.util.Set;
41  import java.util.TreeMap;
42  import java.util.TreeSet;
43  import java.util.logging.Logger;
44  import java.util.regex.Pattern;
45  
46  import net.sourceforge.plantumldependency.cli.exception.PlantUMLDependencyException;
47  import net.sourceforge.plantumldependency.cli.generic.GenericDependency;
48  import net.sourceforge.plantumldependency.cli.main.option.display.type.argument.DisplayType;
49  import net.sourceforge.plantumldependency.cli.main.option.programminglanguage.context.ProgrammingLanguageContext;
50  
51  /**
52   * The abstract class which describes all supported programming language which can be reverse
53   * engineered.
54   *
55   * @author Benjamin Croizet (<a href="mailto:graffity2199@yahoo.fr>graffity2199@yahoo.fr</a>)
56   * @since 1.0.0
57   * @version 1.4.0
58   */
59  public abstract class ProgrammingLanguage implements Comparable < ProgrammingLanguage >, Serializable {
60  
61      /** Serial version UID. */
62      private static final long serialVersionUID = -4593346488847506817L;
63  
64      /** The class logger. */
65      private static final transient Logger LOGGER = getLogger(ProgrammingLanguage.class.getName());
66  
67      /** The java programming language. */
68      public static final ProgrammingLanguage JAVA = new JavaProgrammingLanguage("java");
69  
70      /** The c++ programming language. */
71      public static final ProgrammingLanguage CPP = new CppProgrammingLanguage("cpp");
72  
73      /** The number of millisecond in one second. */
74      private static final Map < String, ProgrammingLanguage > PROGRAMMING_LANGUAGE_MAP = createProgrammingLanguageMap();
75  
76      /**
77       * Creates the static {@link Map} containing all {@link ProgrammingLanguage}.
78       *
79       * @return the {@link Map} of all {@link ProgrammingLanguage} as values, with their associated
80       *         names as keys.
81       * @since 1.0.0
82       */
83      private static Map < String, ProgrammingLanguage > createProgrammingLanguageMap() {
84          final Map < String, ProgrammingLanguage > programmingLanguageMap = new TreeMap < String, ProgrammingLanguage >();
85  
86          programmingLanguageMap.put(CPP.getName(), CPP);
87          programmingLanguageMap.put(JAVA.getName(), JAVA);
88  
89          return unmodifiableMap(programmingLanguageMap);
90      }
91  
92      /**
93       * Gets the {@link Collection} of all {@link ProgrammingLanguage}.
94       *
95       * @return the {@link Collection} of all {@link ProgrammingLanguage} available.
96       * @since 1.0.0
97       */
98      public static Collection < ProgrammingLanguage > getProgrammingLanguageCollection() {
99          return PROGRAMMING_LANGUAGE_MAP.values();
100     }
101 
102     /**
103      * Gets the {@link Set} of all programming languages names.
104      *
105      * @return the {@link Set} of all programming languages names available.
106      * @since 1.0.0
107      */
108     public static Set < String > getProgrammingLanguageNamesSet() {
109         final Set < String > names = new TreeSet < String >();
110 
111         for (final ProgrammingLanguage programmingLanguage : getProgrammingLanguageCollection()) {
112             names.add(programmingLanguage.getName());
113         }
114 
115         return names;
116     }
117 
118     /**
119      * Gets the {@link ProgrammingLanguage} instance associated to the passed name. Throw an
120      * {@link IllegalArgumentException} if the programming language name isn't recognized.
121      *
122      * @param programmingLanguageName
123      *            the programming language name to get the instance from, mustn't be
124      *            <code>null</code> nor empty.
125      * @return the {@link ProgrammingLanguage} instance associated to the passed name if available.
126      * @since 1.0.0
127      */
128     public static ProgrammingLanguage valueOfIgnoringCase(final String programmingLanguageName) {
129         checkNullOrEmpty(programmingLanguageName, PROGRAMMING_LANGUAGE_NAME_NULL_ERROR);
130 
131         ProgrammingLanguage programmingLanguage = null;
132 
133         programmingLanguage = PROGRAMMING_LANGUAGE_MAP.get(programmingLanguageName.toLowerCase());
134         if (programmingLanguage != null) {
135             LOGGER.log(FINE, buildLogString(PROGRAMMING_LANGUAGE_FOUND_FINE, programmingLanguage));
136         } else {
137             throw new IllegalArgumentException(buildLogString(UNKNOWN_PROGRAMMING_LANGUAGE_ERROR,
138                     programmingLanguageName));
139         }
140 
141         return programmingLanguage;
142     }
143 
144     /** The programming language name. */
145     private String name;
146 
147     /**
148      * Default constructor.
149      *
150      * @param programmingLanguageName
151      *            the programming language name to get the instance from, mustn't be
152      *            <code>null</code> nor empty.
153      * @since 1.0.0
154      */
155     protected ProgrammingLanguage(final String programmingLanguageName) {
156         setName(programmingLanguageName);
157     }
158 
159     /**
160      * {@inheritDoc}
161      *
162      * @since 1.0.0
163      */
164     @Override
165     public int compareTo(final ProgrammingLanguage o) {
166         if (this == o) {
167             return EQUAL.getResult();
168         }
169 
170         return getName().compareTo(o.getName());
171     }
172 
173     /**
174      * Create a new {@link ProgrammingLanguageContext} following the language.
175      *
176      * @param displayTypesOpts
177      *            the {@link Set} of display types options which filter type to appear in the
178      *            plantUML description, mustn't be <code>null</code>.
179      * @param displayPackageNamePattern
180      *            the {@link Pattern} which filter package name to appear in the plantUML
181      *            description, mustn't be <code>null</code>.
182      * @param displayNamePattern
183      *            the {@link Pattern} which filter name to appear in the plantUML description,
184      *            mustn't be <code>null</code>.
185      * @return a new empty {@link ProgrammingLanguageContext} instance.
186      * @since 1.0.0
187      */
188     public abstract ProgrammingLanguageContext createNewContext(final Set < DisplayType > displayTypesOpts,
189             final Pattern displayPackageNamePattern, final Pattern displayNamePattern);
190 
191     /**
192      * {@inheritDoc}
193      *
194      * @since 1.0.0
195      */
196     @Override
197     public boolean equals(final Object obj) {
198         if (this == obj) {
199             return true;
200         }
201         if (obj == null) {
202             return false;
203         }
204         if (getClass() != obj.getClass()) {
205             return false;
206         }
207         final ProgrammingLanguage other = (ProgrammingLanguage) obj;
208         if (name == null) {
209             if (other.name != null) {
210                 return false;
211             }
212         } else if (!name.equals(other.name)) {
213             return false;
214         }
215         return true;
216     }
217 
218     /**
219      * Gets the value of <code>name</code>.
220      *
221      * @return the value of <code>name</code>.
222      * @since 1.0.0
223      */
224     public String getName() {
225         return name;
226     }
227 
228     /**
229      * {@inheritDoc}
230      *
231      * @since 1.0.0
232      */
233     @Override
234     public int hashCode() {
235         final int prime = 31;
236         int result = 1;
237         result = prime * result + ((name == null) ? 0 : name.hashCode());
238         return result;
239     }
240 
241     /**
242      * Reads the following source file content as a {@link String} to build the
243      * {@link GenericDependency} instance. This method also modify the
244      * <code>programmingLanguageContext</code> parameter by adding read objects and the parsed
245      * dependencies.
246      *
247      * @param sourceFileContent
248      *            the source file content as a {@link String} to read, mustn't be <code>null</code>.
249      *            Should contain the expected programming language.
250      * @param programmingLanguageContext
251      *            the context instance containing all dependencies which have already been seen in
252      *            previous treatment, and other information which can be shared when parsing several
253      *            source files, mustn't be <code>null</code>.
254      * @return the {@link GenericDependency} instance if it has been found and correctly parsed,
255      *         <code>null</code> otherwise. May also be <code>null</code> if the context display
256      *         types options doesn't manage the dependency type.
257      * @throws PlantUMLDependencyException
258      *             if any parsing exception occurs while reading the source file.
259      * @since 1.0.0
260      */
261     public abstract GenericDependency readDependencyFromFile(String sourceFileContent,
262             ProgrammingLanguageContext programmingLanguageContext) throws PlantUMLDependencyException;
263 
264     /**
265      * Sets the value of <code>name</code>.
266      *
267      * @param value
268      *            the <code>name</code> to set, can be <code>null</code>.
269      * @see #getName()
270      * @since 1.0.0
271      */
272     private void setName(final String value) {
273         checkNullOrEmpty(value, PROGRAMMING_LANGUAGE_NAME_NULL_ERROR);
274 
275         name = value;
276     }
277 
278     /**
279      * {@inheritDoc}
280      *
281      * @since 1.0.0
282      */
283     @Override
284     public String toString() {
285         return getClass().getSimpleName() + " [name=" + name + "]";
286     }
287 }