com.quinsoft.zeidon.domains.TimeDomain.java Source code

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Here is the source code for com.quinsoft.zeidon.domains.TimeDomain.java

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/**
This file is part of the Zeidon Java Object Engine (Zeidon JOE).
    
Zeidon JOE 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.
    
Zeidon JOE 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 Zeidon JOE.  If not, see <http://www.gnu.org/licenses/>.
    
Copyright 2009-2015 QuinSoft
 */

package com.quinsoft.zeidon.domains;

import java.util.Map;

import org.joda.time.DateTime;
import org.joda.time.DateTimeComparator;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

import com.quinsoft.zeidon.Application;
import com.quinsoft.zeidon.AttributeInstance;
import com.quinsoft.zeidon.InvalidAttributeValueException;
import com.quinsoft.zeidon.Task;
import com.quinsoft.zeidon.ZeidonException;
import com.quinsoft.zeidon.objectdefinition.AttributeDef;

/**
 * This domain handles any differences needed to deal with time.
 * @author DG
 *
 */
public class TimeDomain extends DateDomain {
    protected DateTimeFormatter defaultTimeFormatter = DateTimeFormat.forPattern("HHmmssS a");

    public TimeDomain(Application application, Map<String, Object> domainProperties, Task task) {
        super(application, domainProperties, task);
    }

    @Override
    public String convertToString(Task task, AttributeDef attributeDef, Object internalValue) {
        if (internalValue == null)
            return StringDomain.checkNullString(attributeDef.getDomain().getApplication(), null);

        return defaultTimeFormatter.print((DateTime) internalValue);
    }

    @Override
    public void validateInternalValue(Task task, AttributeDef attributeDef, Object internalValue)
            throws InvalidAttributeValueException {
        return;
    }

    @Override
    public int compare(Task task, AttributeInstance attributeInstance, AttributeDef attributeDef,
            Object internalValue, Object externalValue) {
        try {
            Object value = convertExternalValue(task, attributeInstance, attributeDef, null, externalValue);
            Integer rc = compareNull(task, attributeDef, internalValue, value);
            if (rc != null)
                return rc;

            assert internalValue instanceof DateTime;
            assert value instanceof DateTime;

            return DateTimeComparator.getTimeOnlyInstance().compare(internalValue, value);
        } catch (Throwable t) {
            throw ZeidonException.wrapException(t).prependAttributeDef(attributeDef);
        }
    }

    /*
        @Override
        public Object convertExternalValue(Task task, attributeDef attributeDef, String contextName, Object externalValue)
        {
           if ( externalValue == null )
      return null;
           //
           // Is there any chance that I want to use the instanceof DateTime not to do a return but to
           // make sure that the externalValue is a DateTime so that I know I can get the time from it???
    //if ( externalValue instanceof DateTime )
    //    return externalValue;
        
    //if ( externalValue instanceof Date )
    //    return new DateTime( externalValue );
    //
        
    // VML operations use "" as synonymous with null.
    if ( externalValue instanceof String && StringUtils.isBlank( (String) externalValue ) )
        return null;
        
    //if ( externalValue instanceof CharSequence )
    if ( externalValue instanceof DateTime )
    {
        DomainContext context = getContext( task, contextName );
        return context.convertExternalValue( task, attributeDef, externalValue );
    }
        
    throw new InvalidAttributeValueException( attributeDef, externalValue,
                                              "Invalid object: Domain %s cannot convert value for context %s.",
                                              this.getClass().getName(), contextName );
        }
        
        @Override
        public TimeContext newContext(Task task)
        {
    return new TimeContext( this );
        }
        
        private class TimeContext extends BaseDomainContext
        {
    public TimeContext(Domain domain)
    {
        super( domain );
    }
        
    private String            editString;
    private DateTimeFormatter formatter;
        
    @Override
    public String convertToString(Task task, attributeDef attributeDef, Object internalValue)
    {
       if ( internalValue == null )
          return StringDomain.checkNullString(task.getApplication(), null);
        
        return formatter.print( (DateTime) internalValue );
    }
        
    @Override
    public Object convertExternalValue(Task task, attributeDef attributeDef, Object value) throws InvalidAttributeValueException
    {
       if ( value == null )
          return null;
        
        //String s = (String) value;
        
        // VML operations use "" as synonymous with null.
       //if ( StringUtils.isBlank( s ) )
          //return null;
        
        return formatter.print( (DateTime) value );
    }
        
    @Override
    public void setAttribute(PortableFileReader reader)
    {
        if ( reader.getAttributeName().equals( "JavaEditString" ) )
        {
            editString = reader.getAttributeValue();
            formatter = DateTimeFormat.forPattern( editString );
        }
        else
            super.setAttribute( reader );
    }
        }
    */
}