1   /*
2    * Copyright 2003 - 2013 The eFaps Team
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   *
16   * Revision:        $Rev$
17   * Last Changed:    $Date$
18   * Last Changed By: $Author$
19   */
20  
21  
22  package org.efaps.db.print.value;
23  
24  import java.math.BigDecimal;
25  
26  import org.efaps.admin.datamodel.Type;
27  import org.efaps.db.print.OneSelect;
28  import org.efaps.db.store.AbstractStoreResource;
29  import org.efaps.db.wrapper.SQLSelect;
30  import org.efaps.util.EFapsException;
31  
32  
33  /**
34   * ValueSelct to select the length value from a store instance.
35   *
36   * @author The eFaps Team
37   * @version $Id$
38   */
39  public class LengthValueSelect
40      extends AbstractValueSelect
41  {
42      /**
43       * Constructor setting the OneSelect this LengthValueSelect belongs to.
44       *
45       * @param _oneSelect OneSelect
46       */
47      public LengthValueSelect(final OneSelect _oneSelect)
48      {
49          super(_oneSelect);
50      }
51  
52      /**
53       * {@inheritDoc}
54       */
55      @Override
56      public int append2SQLSelect(final Type _type,
57                                  final SQLSelect _select,
58                                  final int _tableIndex,
59                                  final int _colIndex)
60      {
61          _select.column(_tableIndex, AbstractStoreResource.COLNAME_FILELENGTH);
62          getColIndexs().add(_colIndex);
63          return 1;
64      }
65  
66      /**
67       * {@inheritDoc}
68       */
69      @Override
70      public String getValueType()
71      {
72          return "length";
73      }
74  
75      @Override
76      public Object getValue(final Object _object)
77          throws EFapsException
78      {
79          Object tempId;
80          // check is necessary because Oracle JDBC returns for getObject always a BigDecimal
81          if (_object instanceof BigDecimal) {
82              tempId = ((BigDecimal) _object).longValue();
83          } else {
84              tempId = _object;
85          }
86          return tempId;
87      }
88  }