2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
32 package mir.entity.adapter;
34 import java.util.Calendar;
35 import java.util.Date;
36 import java.util.GregorianCalendar;
37 import java.util.HashMap;
40 import mir.entity.Entity;
41 import mir.util.DateToMapAdapter;
43 public class EntityAdapterDefinition {
46 public EntityAdapterDefinition() {
47 calculatedFields = new HashMap();
50 public EntityAdapter makeEntityAdapter(Entity anEntity, EntityAdapterModel aModel) {
51 return new EntityAdapter(anEntity, this, aModel);
54 public CalculatedField getCalculatedField(String aFieldName) {
55 return (CalculatedField) calculatedFields.get(aFieldName);
58 public boolean hasCalculatedField(String aFieldName) {
59 return calculatedFields.containsKey(aFieldName);
62 public void addCalculatedField(String aFieldName, CalculatedField aField) {
63 calculatedFields.put(aFieldName, aField);
66 public void addMirDateField(String aDestinationFieldName, String aSourceFieldName) {
67 addCalculatedField(aDestinationFieldName, new MirDateField(aSourceFieldName));
70 public void addDBDateField(String aDestinationFieldName, String aSourceFieldName) {
71 addCalculatedField(aDestinationFieldName, new DBDateField(aSourceFieldName));
74 public interface CalculatedField {
75 public Object getValue(EntityAdapter anEntityAdapter);
78 private class MirDateField implements CalculatedField {
79 private String fieldName;
81 public MirDateField(String aFieldName) {
82 fieldName = aFieldName;
85 public Object getValue(EntityAdapter anEntityAdapter) {
87 Map result = new HashMap();
88 String textValue = anEntityAdapter.getEntity().getValue(fieldName);
89 Calendar calendar = GregorianCalendar.getInstance();
95 if (textValue!=null) {
97 year = Integer.parseInt(textValue.substring(0,4));
98 month = Integer.parseInt(textValue.substring(4,6));
99 day = Integer.parseInt(textValue.substring(6,8));
101 calendar.set(year, month-1, day);
102 date = calendar.getTime();
105 result.put("date", date);
106 result.put("formatted", new DateToMapAdapter(date));
109 catch (Throwable t) {
117 private class DBDateField implements CalculatedField {
118 private String fieldName;
120 public DBDateField(String aFieldName) {
121 fieldName = aFieldName;
124 public Object getValue(EntityAdapter anEntityAdapter) {
126 Map result = new HashMap();
127 String textValue = anEntityAdapter.getEntity().getValue(fieldName);
128 Calendar calendar = GregorianCalendar.getInstance();
137 if (textValue!=null) {
139 year = Integer.parseInt(textValue.substring(0,4));
140 month = Integer.parseInt(textValue.substring(5,7));
141 day = Integer.parseInt(textValue.substring(8,10));
142 hours = Integer.parseInt(textValue.substring(11,13));
143 minutes = Integer.parseInt(textValue.substring(14,16));
145 calendar.set(year, month-1, day, hours, minutes);
146 date = calendar.getTime();
148 result.put("date", date);
149 result.put("formatted", new DateToMapAdapter(date));
150 result.put("raw", textValue);
152 catch (Throwable t) {