datetransform.java

CRM源码This file describes some issues that should be implemented in future and how it should be imple

/*
 * Copyright 2006-2007 Queplix Corp.
 *
 * Licensed under the Queplix Public License, Version 1.1.1 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.queplix.com/solutions/commercial-open-source/queplix-public-license/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.queplix.core.modules.eqlext.transforms.impl;

import com.queplix.core.integrator.security.LogonSession;
import com.queplix.core.integrator.security.SecurityHelper;
import com.queplix.core.integrator.security.User;
import com.queplix.core.jxb.entity.Efield;
import com.queplix.core.jxb.entity.Entity;
import com.queplix.core.modules.eqlext.error.EfieldTransformException;
import com.queplix.core.modules.eqlext.transforms.EfieldTransform;
import com.queplix.core.modules.eqlext.utils.ExtDateParser;
import com.queplix.core.utils.DateHelper;
import com.queplix.core.utils.SystemHelper;

import java.text.ParseException;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

/**
 * <p>Default Date transform class</p>
 * @author [ALB] Baranov L. Andrey
 * @version $Revision: 1.1.1.1 $ $Date: 2005/09/12 15:30:39 $
 */

public class DateTransform
    extends EfieldTransform {

    /*
     * No javadoc
     * @see EfieldTransform#toObject
     */
    public Object toObject( LogonSession ls, Entity entity, Efield field, String s )
        throws EfieldTransformException {

        User user = ls.getUser();
        String datePattern = user.getDatePattern();
        boolean isDatePosFirst = user.isDatePositionFirst();
        Locale userLocale = SecurityHelper.getJavaLocale(user.getCountryID(), user.getLangID());
        TimeZone userTZ = SecurityHelper.getJavaTimezone(user.getTimeZoneID());

        try {
            long ms = ExtDateParser.parseDate( s,
                                               isDatePosFirst,
                                               userLocale,
                                               userTZ,
                                               datePattern,
                                               null );

            Date d = new Date( ms );

            // reset hours, mins, secs to 0
            Calendar cal = Calendar.getInstance();
            cal.setTime( d );

            if( userTZ.getRawOffset() < SystemHelper.SYSTEM_TIMEZONE.getRawOffset() ) {
                // add one day
                cal.add( Calendar.DATE, 1 );
            }
            cal.set( Calendar.HOUR_OF_DAY, 0 );
            cal.set( Calendar.MINUTE, 0 );
            cal.set( Calendar.SECOND, 0 );
            d = cal.getTime();

            return d;

        } catch( ParseException ex ) {
            throw new EfieldTransformException( ex.getMessage(), ex );
        }
    }

    /*
     * No javadoc
     * @see EfieldTransform#toString
     */
    public String toString( LogonSession ls, Entity entity, Efield field, Object o ) {

        User user = ls.getUser();
        String datePattern = user.getDatePattern();
        Locale userLocale = SecurityHelper.getJavaLocale(user.getCountryID(), user.getLangID());
        TimeZone userTZ = SecurityHelper.getJavaTimezone(user.getTimeZoneID());

        Date sysDate = ( Date ) o;
        Date userDate = new Date( DateHelper.toUser( sysDate.getTime(), userTZ ) );

        return DateHelper.formatDate( userDate, datePattern, null, userLocale );
    }
}