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1   package net.logAnalyzer.converters;
2   
3   import net.logAnalyzer.handlers.ParsingException;
4   
5   /***
6    * This class implements a converter used to parse or convert
7    * {@link java.lang.Long} values.
8    * 
9    * @author Karim REFEYTON
10   * @version 0.1
11   */
12  public class IntegerConverter extends LAConverter {
13  
14      /***
15       * Constructs a new converter from a converter definition.
16       * @param definition Definition of the converter.
17       * @param literal Literal value identifying the converter.
18       */
19      public IntegerConverter(ConverterDefinition definition, String literal) {
20          super(definition, literal);
21      }
22  
23      /***
24       * Returns the class {@link java.lang.Long}.
25       * @see LAConverter#getValueClass()
26       */
27      public Class getValueClass() {
28          return Long.class;
29      }
30  
31      /***
32       * Returns the value parsed with {@link Long#Long(java.lang.String)}.
33       * @return The parsed value.
34       * @see LAConverter#parse(String)
35       * @throws ParsingException If the value can't be parsed.
36       */
37      public Object parse(String value) throws ParsingException {
38          if (value == null || value.length() == 0 || value.equals("-")) {
39              return new Long(0);
40          } else {
41              return new Long(value);
42          }
43      }
44  
45      /***
46       * Returns a string representation of the value calling <tt>toString()</tt>.
47       * @param value Value to convert as String.
48       * @return String representation of the value.
49       * @see LAConverter#toString(Object)
50       */
51      public String toString(Object value) {
52          return value.toString();
53      }
54  }