001: /*
002: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003: *
004: * This file is part of Resin(R) Open Source
005: *
006: * Each copy or derived work must preserve the copyright notice and this
007: * notice unmodified.
008: *
009: * Resin Open Source is free software; you can redistribute it and/or modify
010: * it under the terms of the GNU General Public License as published by
011: * the Free Software Foundation; either version 2 of the License, or
012: * (at your option) any later version.
013: *
014: * Resin Open Source is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017: * of NON-INFRINGEMENT. See the GNU General Public License for more
018: * details.
019: *
020: * You should have received a copy of the GNU General Public License
021: * along with Resin Open Source; if not, write to the
022: * Free Software Foundation, Inc.
023: * 59 Temple Place, Suite 330
024: * Boston, MA 02111-1307 USA
025: *
026: * @author Scott Ferguson
027: */
028:
029: package com.caucho.amber.type;
030:
031: import com.caucho.java.JavaWriter;
032: import com.caucho.util.L10N;
033:
034: import javax.persistence.TemporalType;
035: import java.io.IOException;
036: import java.sql.PreparedStatement;
037: import java.sql.ResultSet;
038: import java.sql.SQLException;
039: import java.sql.Timestamp;
040: import java.sql.Types;
041: import java.util.Calendar;
042:
043: /**
044: * The type of a property.
045: */
046: public class CalendarType extends Type {
047: private static final L10N L = new L10N(CalendarType.class);
048:
049: public static final CalendarType TEMPORAL_DATE_TYPE = new CalendarType(
050: TemporalType.DATE);
051: public static final CalendarType TEMPORAL_TIME_TYPE = new CalendarType(
052: TemporalType.TIME);
053: public static final CalendarType TEMPORAL_TIMESTAMP_TYPE = new CalendarType(
054: TemporalType.TIMESTAMP);
055:
056: private TemporalType _temporalType;
057:
058: private CalendarType(TemporalType temporalType) {
059: _temporalType = temporalType;
060: }
061:
062: /**
063: * Returns the singleton Calendar type.
064: */
065: public static CalendarType create() {
066: return TEMPORAL_TIMESTAMP_TYPE;
067: }
068:
069: /**
070: * Returns the type name.
071: */
072: public String getName() {
073: return "java.util.Calendar";
074: }
075:
076: /**
077: * Generates a string to load the property.
078: */
079: public int generateLoad(JavaWriter out, String rs, String indexVar,
080: int index) throws IOException {
081: out.print("com.caucho.amber.type.CalendarType.toCalendar(" + rs
082: + ".getTimestamp(" + indexVar + " + " + index + "))");
083:
084: return index + 1;
085: }
086:
087: /**
088: * Generates a string to set the property.
089: */
090: public void generateSet(JavaWriter out, String pstmt, String index,
091: String value) throws IOException {
092: out.println("if (" + value + " == null)");
093: out.println(" " + pstmt + ".setNull(" + index
094: + "++, java.sql.Types.TIMESTAMP);");
095: out.println("else");
096: out.println(" " + pstmt + ".setTimestamp(" + index
097: + "++, new java.sql.Timestamp(" + value
098: + ".getTimeInMillis()));");
099: }
100:
101: /**
102: * Gets the value.
103: */
104: public static Calendar toCalendar(java.util.Date time)
105: throws SQLException {
106: if (time == null)
107: return null;
108: else {
109: Calendar cal = Calendar.getInstance();
110: cal.setTime(time);
111:
112: return cal;
113: }
114: }
115:
116: /**
117: * Gets the value.
118: */
119: public Object getObject(ResultSet rs, int index)
120: throws SQLException {
121: java.sql.Timestamp time = rs.getTimestamp(index);
122:
123: if (time == null)
124: return null;
125: else {
126: Calendar cal = Calendar.getInstance();
127: cal.setTime(time);
128:
129: return cal;
130: }
131: }
132:
133: /**
134: * Sets the value.
135: */
136: public void setParameter(PreparedStatement pstmt, int index,
137: Object value) throws SQLException {
138: Timestamp timestamp = new Timestamp(((Calendar) value)
139: .getTimeInMillis());
140:
141: switch (_temporalType) {
142: case DATE:
143: pstmt.setObject(index, timestamp, Types.DATE);
144: break;
145:
146: case TIME:
147: pstmt.setObject(index, timestamp, Types.TIME);
148: break;
149:
150: default:
151: pstmt.setObject(index, timestamp, Types.TIMESTAMP);
152: break;
153: }
154: }
155: }
|