Java tutorial
/* * Copyright (C) 2010---2014 (wuweixing)<349446658@qq.com> * * This file is part of Wabacus * * Wabacus is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.wabacus.system.datatype; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.HashMap; import java.util.Map; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.wabacus.config.database.type.AbsDatabaseType; public class CDateType extends AbsDateTimeType { private final static Log log = LogFactory.getLog(CDateType.class); private final static Map<String, AbsDateTimeType> mDatetimeTypeObjects = new HashMap<String, AbsDateTimeType>(); public Object label2value(String label) { if (label == null || label.trim().equals("")) return null; SimpleDateFormat sdf = new SimpleDateFormat(dateformat); try { Date date = sdf.parse(label.trim()); return new java.sql.Date(date.getTime()); } catch (ParseException e) { log.error(label + "??,??" + dateformat + "?", e); return null; } } public String value2label(Object value) { if (value == null) return ""; if (!(value instanceof Calendar)) { return String.valueOf(value); } return new SimpleDateFormat(dateformat).format(((Calendar) value).getTime()); } public Object getColumnValue(ResultSet rs, String column, AbsDatabaseType dbtype) throws SQLException { java.sql.Date cdd = rs.getDate(column); if (cdd == null) return null; Calendar cd = Calendar.getInstance(); cd.setTimeInMillis(cdd.getTime()); return cd; } public Object getColumnValue(ResultSet rs, int iindex, AbsDatabaseType dbtype) throws SQLException { java.sql.Date cdd = rs.getDate(iindex); if (cdd == null) return null; Calendar cd = Calendar.getInstance(); cd.setTimeInMillis(cdd.getTime()); return cd; } public void setPreparedStatementValue(int iindex, String value, PreparedStatement pstmt, AbsDatabaseType dbtype) throws SQLException { log.debug("setDate(" + iindex + "," + value + ")"); pstmt.setDate(iindex, (java.sql.Date) label2value(value)); } public void setPreparedStatementValue(int index, Date dateValue, PreparedStatement pstmt) throws SQLException { log.debug("setDate(" + index + "," + dateValue + ")"); if (dateValue == null) { pstmt.setDate(index, null); } else { pstmt.setDate(index, new java.sql.Date(dateValue.getTime())); } } public Class getJavaTypeClass() { return Calendar.class; } protected Map<String, AbsDateTimeType> getMDatetimeTypeObjects() { return mDatetimeTypeObjects; } }