net.mlw.vlh.adapter.hibernate3.util.setter.TimestampSetter.java Source code

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Here is the source code for net.mlw.vlh.adapter.hibernate3.util.setter.TimestampSetter.java

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/**
 * Copyright (c) 2003 held jointly by the individual authors.            
 *                                                                          
 * This library 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 2.1 of the License, or 
 * (at your option) any later version.                                            
 *                                                                            
 * This library is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; with out 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 library;  if not, write to the Free Software Foundation,   
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA.              
 *                                                                            
 * > http://www.gnu.org/copyleft/lesser.html                                  
 * > http://www.opensource.org/licenses/lgpl-license.php
 */
package net.mlw.vlh.adapter.hibernate3.util.setter;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.HibernateException;
import org.hibernate.Query;

/**
 * @author Matthew L. Wilson
 * @version $Revision: 1.3 $ $Date: 2005/12/19 12:22:26 $
 */
public class TimestampSetter extends AbstractSetter {
    /**
     * Logger for this class
     */
    private static final Log LOGGER = LogFactory.getLog(TimestampSetter.class);

    public static final String DEFAULT_FORMAT = "MM/dd/yyyy HH:mm:ss";

    private SimpleDateFormat formatter = new SimpleDateFormat(DEFAULT_FORMAT);

    /**
     * @see net.mlw.vlh.adapter.hibernate3.util.Setter#set(Query, String, Object)
     */
    public void set(Query query, String key, Object value) throws HibernateException, ParseException {
        Date date = null;
        if (value instanceof String) {
            if (LOGGER.isInfoEnabled()) {
                LOGGER.info("The key='" + key + "'s value is instance of a String, now is parsing to date.");
            }
            date = formatter.parse((String) value);
        } else if (value instanceof Date) {
            date = (Date) value;
        } else if (value == null) {
            if (LOGGER.isInfoEnabled()) {
                LOGGER.info("The key='" + key + "'s value is null.");
            }
        } else {
            if (LOGGER.isWarnEnabled()) {
                LOGGER.warn("The key's='" + key + "' value='" + value
                        + "' was expected as Date or String parseable to Date.");
            }
            throw new IllegalArgumentException("Cannot convert value of class " + value.getClass().getName()
                    + " to timestamp (key=" + key + ")");
        }

        if (LOGGER.isInfoEnabled()) {
            LOGGER.info(
                    "The key='" + key + "' was set to the query as Timestamp with the value date='" + date + "'.");
        }

        query.setTimestamp(key, date);
    }

    /**
     * @param format The format to set.
     */
    public void setFormat(String format) {
        formatter = new SimpleDateFormat(format);
    }
}