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 any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
30 package mir.entity.adapter;
32 import java.util.Calendar;
33 import java.util.Date;
34 import java.util.GregorianCalendar;
38 import mir.entity.Entity;
39 import mir.util.GeneratorFormatAdapters;
42 public class EntityAdapterDefinition {
45 public EntityAdapterDefinition() {
46 calculatedFields = new HashMap();
49 public EntityAdapter makeEntityAdapter(Entity anEntity, EntityAdapterModel aModel) {
50 return new EntityAdapter(anEntity, this, aModel);
53 public CalculatedField getCalculatedField(String aFieldName) {
54 return (CalculatedField) calculatedFields.get(aFieldName);
57 public boolean hasCalculatedField(String aFieldName) {
58 return calculatedFields.containsKey(aFieldName);
61 public void addCalculatedField(String aFieldName, CalculatedField aField) {
62 calculatedFields.put(aFieldName, aField);
65 public void addMirDateField(String aDestinationFieldName, String aSourceFieldName, String aDefaultTimezone) {
66 addCalculatedField(aDestinationFieldName, new MirDateField(aSourceFieldName, aDefaultTimezone));
69 public void addDBDateField(String aDestinationFieldName, String aSourceFieldName, String aDefaultTimezone) {
70 addCalculatedField(aDestinationFieldName, new DBDateField(aSourceFieldName, aDefaultTimezone));
73 public interface CalculatedField {
74 public Object getValue(EntityAdapter anEntityAdapter);
77 private class MirDateField implements CalculatedField {
78 private String fieldName;
79 private String defaultTimezone;
81 public MirDateField(String aFieldName, String aDefaultTimezone) {
82 fieldName = aFieldName;
83 defaultTimezone = aDefaultTimezone;
86 public Object getValue(EntityAdapter anEntityAdapter) {
89 String textValue = anEntityAdapter.getEntity().getValue(fieldName);
90 Calendar calendar = GregorianCalendar.getInstance();
96 if (textValue!=null) {
98 year = Integer.parseInt(textValue.substring(0,4));
99 month = Integer.parseInt(textValue.substring(4,6));
100 day = Integer.parseInt(textValue.substring(6,8));
102 calendar.setTimeZone(TimeZone.getTimeZone(defaultTimezone));
103 calendar.set(year, month-1, day);
105 date = calendar.getTime();
107 result = new GeneratorFormatAdapters.DateFormatAdapter(date, defaultTimezone);
109 catch (Throwable t) {
117 private class DBDateField implements CalculatedField {
118 private String fieldName;
119 private String defaultTimezone;
121 public DBDateField(String aFieldName, String aDefaultTimezone) {
122 fieldName = aFieldName;
123 defaultTimezone = aDefaultTimezone;
126 public Object getValue(EntityAdapter anEntityAdapter) {
127 Object result = null;
128 String text = anEntityAdapter.getEntity().getValue(fieldName);
132 result = new GeneratorFormatAdapters.DateFormatAdapter(StringUtil.convertMirInternalDateToDate(text), defaultTimezone);
134 catch (Throwable t) {