ConvertBigDecimal


1   package com.teamkonzept.webman.mainint.db.queries.oracle.helper;
2   
3   import java.math.BigDecimal  ;
4   
5   /**
6    * $Header: /cvsroot/webman-cms/source/webman/com/teamkonzept/webman/mainint/db/queries/oracle/helper/ConvertBigDecimal.java,v 1.2 2001/09/04 09:01:36 ralf Exp $
7    *
8    * This class converts instances of <code>Number</code> to an <code>Integer</code> object. In some
9    * cases this is required because not all implementations of JDBC return an <code>Integer</code> object
10   * when calling <code>ResultSet.getObject()</code> method.
11   *
12   * @author $Author: ralf $
13   * @version $Revision: 1.2 $
14   */
15  public abstract class ConvertBigDecimal
16  {
17  
18      /**
19       * Returns an <code>Integer</code> object if
20       * <ul>
21       *   <li>value is not <code>null</code></li>
22       *   <li>value is an instance of <code>Number</code></li>
23       *   <li>and value is - of course - an instance of <code>Integer</code>
24       * </ul>
25       * @params value the object to be converted
26       * @return an <code>Integer</code> object due to <code>value</code>
27       * @see java.math.BigDecimal
28       * @see java.lang.Number
29       * @see java.sql.ResultSet.getObject(int)
30       */
31      public static Integer   getInteger(Object   value)
32      {
33          if (value != null)
34          {
35              if (value instanceof Integer  )
36              {
37                  return (Integer  ) value;
38              }
39              else if (value instanceof Number  )
40              {
41                  return new Integer  (((Number  ) value).intValue());
42              }
43          }
44          return null;
45      }
46  
47  }
48

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