historybuildergenericimpl.java

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

                            }
                        }
                        if( value != null ) {
                            fld = new HistoryField();
                            fld.setName( efield.getName() );
                            fld.setCaption( getFieldCaption( entity, efield ) );

                            fld.setHistoryValueOld( value );
                            fld.setHistoryValueNew( new String( value ) );
                        }

                    } else {
                        fld = getHistoryField( j, rRecord, dsLogFieldNames );
                    }

                    if( fld != null ) {
                        ifgRecord.addHistoryField( fld );
                    }
                }

                if( ifgRecord.getHistoryFieldCount() > 0 ) {
                    ifg.addIfgRecord( ifgRecord );
                }
            }

            if( ( ifg != null ) && ( ifg.getIfgRecordCount() > 0 ) ) {
                ifgData.addIfg( ifg );
            }

        } // for

        topic.setHistoryData( data );
        topic.setIfgData( ifgData );

        // Ok.
        return topic;

    }

    /* (non-javadoc)
     * @see HistoryBuilder#getLogFieldNames
     */
    public List getLogFieldNames( String dbObject ) {

        List fieldNames = new ArrayList();
        JEOManagerLocal jeoManager = getJEOManager();
        List hndList = null;
        try {
            hndList = HistoryTableFieldObjectHandler.selectByTableName( jeoManager, ls, dbObject );
        } catch( EQLException ex ) {
            throw new GenericSystemException( ex );
        }

        if( hndList != null ) {
            for( int i = 0; i < hndList.size(); i++ ) {
                HistoryTableFieldObjectHandler hnd = ( HistoryTableFieldObjectHandler ) hndList.get( i );
                HistoryTableFieldObject o = ( HistoryTableFieldObject ) hnd.getJEObject();
                fieldNames.add( o.getHis_field_name() );
            }
        }

        return( fieldNames.size() == 0 ) ? null : fieldNames;

    }

    // ======================================================== Private methods


    //
    // Makes a HistoryField object with old and new values of a field from i-th resCell of resRecord.
    //
    private HistoryField getHistoryField( int i, EQLResRecord resRecord, List historyFieldNames ) {

        // Get EQL data cell.
        EQLResCell resCell = resRecord.getResCell( i );
        if( !resCell.isValueChanged() ) {
            return null;
        }

        // Get EQL objects for old and new field values.
        Entity entity = resCell.getReqField().getReqEntity().getEntity();
        Efield efield = resCell.getReqField().getField();
        EQLObject newObj = resCell.getEQLObject();
        EQLObject oldObj = resCell.getOldEQLObject();

        // Is this field must be logged?
        if( !historyFieldNames.contains( efield.getName() ) ) {
            return null;
        }

        // Is its value changed?
        if( newObj.equals( oldObj ) ) {
            return null;
        }

        // Transform field, if it's not a link to another entity.
        String newValue, oldValue;
        if( efield.getListref() != null ) {
            try {
                newValue = EQLUtils.getListFieldValue( resRecord, resCell, resCell.getListField().getReqField(), true, ls, getEQLManager() ).toString();
                oldValue = EQLUtils.getListFieldValue( resRecord, resCell, resCell.getListField().getReqField(), false, ls, getEQLManager() ).toString();
            } catch( EQLException ex ) {
                throw new GenericSystemException( ex );
            }

        } else {
            try {
                newValue = FieldConverter.EQLObject2String( ls, entity, efield, newObj );
                oldValue = FieldConverter.EQLObject2String( ls, entity, efield, oldObj );
            } catch( EfieldTransformException ex ) {
                throw new GenericSystemException( ex );
            }
        }

        // Convert null values into empty strings.
        newValue = ( newValue == null ? StringHelper.EMPTY_VALUE : newValue );
        oldValue = ( oldValue == null ? StringHelper.EMPTY_VALUE : oldValue );

        // Make the field object.
        HistoryField field = new HistoryField();
        field.setName( efield.getName() );
        field.setCaption( getFieldCaption( entity, efield ) );
        field.setHistoryValueNew( newValue );
        field.setHistoryValueOld( oldValue );
        return field;
    }

    //
    // Returns a record from the list of record where the first resCell is equal to the first resCell of resRecord.
    //
    private EQLResRecord getAdditRecord( List records, EQLResRecord resRecord ) {
        for( Iterator itr = records.iterator(); itr.hasNext(); ) {
            EQLResRecord record = ( EQLResRecord ) itr.next();
            if( ( ( !record.doDelete() ) && ( !record.doUpdate() ) && ( !record.isNew() ) )
                && ( ( resRecord.getResCell( 0 ).getReqField().equals( record.getResCell( 0 ).getReqField() ) )
                     && ( resRecord.getResCell( 0 ).getEQLObject().equals( record.getResCell( 0 ).getEQLObject() ) ) ) ) {

                return record;
            }
        }
        return resRecord;
    }

    //
    // Field caption.
    //
    private String getFieldCaption( Entity entity, Efield field ) {
        String langID = ls.getUser().getLangID();
        String entityName = entity.getName();
        String efieldName = field.getName();
        CustomField customField = getCustomConfigManager()
            .getLocalizedCustomField( langID, entityName, efieldName );

        if( customField == null ) {
            return "<" + field.getId() + ">";
        } else {
            return customField.getCaption();
        }
    }

    //
    // Gets the current date (formatted for the active user).
    //
    private String getHistoryTimestapm() {
        User user = getSession().getLogonSession().getUser();
        String datePattern = user.getDatePattern();
        String timePattern = user.getTimePattern();
        boolean isDatePosFirst = user.isDatePositionFirst();
        Locale locale = SecurityHelper.getJavaLocale(user.getCountryID(), user.getLangID());
        TimeZone tz = SecurityHelper.getJavaTimezone(user.getTimeZoneID());
        Date now = new Date( DateHelper.toUser( DateHelper.currentTimeMillis(), tz ) );

        return DateHelper.formatDate( now, datePattern, timePattern, locale );
    }

    // ============================================================ EJB getters

    // EQL Manager EJB reference getter.
    private EQLManagerLocal getEQLManager() {
        return( EQLManagerLocal ) getSession().getCOM().
            getLocalObject( JNDINames.EQLManager, EQLManagerLocalHome.class );
    }

    // Custom Config Manager EJB reference getter.
    private CustomConfigManagerLocal getCustomConfigManager() {
        return( CustomConfigManagerLocal ) getSession().getCOM().
            getLocalObject( JNDINames.CustomConfigManager, CustomConfigManagerLocalHome.class );
    }

    // JEOManager EJB reference getter.
    private JEOManagerLocal getJEOManager() {
        return( JEOManagerLocal ) getSession().getCOM().
            getLocalObject( JNDINames.JEOManager, JEOManagerLocalHome.class );
    }
}