timetransform.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.User;
import com.queplix.core.jxb.entity.Efield;
import com.queplix.core.jxb.entity.Entity;
import com.queplix.core.jxb.entity.types.SqlSType;
import com.queplix.core.modules.eqlext.error.EfieldTransformException;
import com.queplix.core.modules.eqlext.transforms.EfieldTransform;
import com.queplix.core.utils.DateHelper;
import com.queplix.core.utils.SystemHelper;

import java.sql.Time;
import java.text.ParseException;
import java.util.TimeZone;

/**
 * <p>Default Time transform class</p>
 * @author [ALB] Baranov L. Andrey
 * @version $Revision: 1.1.1.1 $ $Date: 2005/09/12 15:30:40 $
 */

public class TimeTransform
    extends EfieldTransform {

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

        // convert string to secs
        int secs;
        try {
            secs = DateHelper.parseTime( s, false );
        } catch( ParseException ex ) {
            throw new EfieldTransformException( ex.getMessage(), ex );
        }

        // build POJO
        int sqlType = field.getSqltype().getType();
        switch( sqlType ) {
        case SqlSType.TIME_TYPE: {
            return toSystemTime( secs );
        }
        case SqlSType.INT_TYPE: {
            return secs;
        }
        case SqlSType.LONG_TYPE: {
            return (long) secs;
        }
        default:
            throw new IllegalStateException( "Unsupported sql type '" + sqlType +
                "' for time field" );
        }
    }

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

        User user = ls.getUser();
        String timePattern = user.getTimePattern();

        // analyse POJO
        int sqlType = field.getSqltype().getType();
        Time time;
        switch( sqlType ) {
            case SqlSType.TIME_TYPE:
                time = ( Time ) o;
                break;

            case SqlSType.INT_TYPE:
            case SqlSType.LONG_TYPE:
                int secs = ( ( Number ) o ).intValue();
                time = toSystemTime( secs );
                break;

            default:
                throw new IllegalStateException( "Unsupported sql type '" + sqlType +
                    "' for time field" );
        }

        return DateHelper.formatTime( time, timePattern );
    }

    //
    // Convert default (JVM) seconds to UPC (system) time
    //
    private Time toSystemTime( int secs ) {
        long systemSecs = DateHelper.convert( secs * 1000,
            TimeZone.getDefault(),
            SystemHelper.SYSTEM_TIMEZONE );
        return new Time( systemSecs );
    }
}