com.quinsoft.zeidon.domains.DateTimeDomain Maven / Gradle / Ivy
/**
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 domainProperties, Task task )
{
super( application, domainProperties, task );
}
@Override
public Object convertExternalValue(Task task, AttributeInstance attributeInstance, AttributeDef attributeDef, String contextName, Object externalValue)
{
// If external value is an AttributeInstance then get *its* internal value.
if ( externalValue instanceof AttributeInstance )
externalValue = ((AttributeInstance) externalValue).getValue();
// KJS - Added 01/27/11 because of line 2836 in lTrnscpt_Object.java
// OrderEntityForView( lTrnscpt, "StudentMajorDegreeTrack", "wPrimarySortOrder A GraduationDate A" );
// value = null so we are getting to the exception. Will try returning null, see what happens.
if ( externalValue == null )
return null;
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 string is "NOW" then we'll use current datetime.
if ( externalValue.toString().equals( "NOW" ) )
return new DateTime();
DomainContext context = getContext( task, contextName );
return context.convertExternalValue( task, attributeDef, externalValue.toString() );
}
throw new InvalidAttributeValueException( attributeDef, externalValue,
"Invalid object: Domain %s cannot convert value for context %s.",
this.getClass().getName(), contextName );
}
@Override
public String convertToString(Task task, AttributeDef attributeDef, Object internalValue)
{
if ( internalValue == null )
return StringDomain.checkNullString( attributeDef.getDomain().getApplication(), null );
if ( internalValue.toString().isEmpty())
return internalValue.toString();
return defaultDateTimeFormatter.print( (DateTime) internalValue );
}
/**
* Attempt to get the context. This differs from the normal getContext() by attempting to create
* a SimpleDateFormatter using the contextName as the format if a context is not found by name.
*/
@Override
public DomainContext getContext(Task task, String contextName)
{
DomainContext context = getContext( contextName );
if ( context != null )
return context; // We found one by name.
if ( StringUtils.isBlank( contextName ) )
throw new ZeidonException("Domain '%s' does not have a default context defined.", getName() );
// Create a temporary new one and set its edit string to the context name.
DateContext dateContext = new DateContext( this );
dateContext.setName( contextName );
dateContext.setEditString( contextName );
return dateContext;
}
@Override
public void validateInternalValue( Task task, AttributeDef attributeDef, Object internalValue ) throws InvalidAttributeValueException
{
if ( internalValue instanceof DateTime )
return;
throw new InvalidAttributeValueException( attributeDef, internalValue, "Internal value must be Joda DateTime, not %s",
internalValue.getClass().getName() );
}
/**
* Adds milliseconds to the datetime value.
*/
@Override
public Object addToAttribute( Task task, AttributeInstance attributeInstance, AttributeDef attributeDef, Object currentValue, Object addValue )
{
DateTime date1 = (DateTime) convertExternalValue( task, attributeInstance, attributeDef, null, currentValue );
if ( date1 == null )
throw new ZeidonException( "Target attribute for add is NULL" )
.prependAttributeDef( attributeDef );
if ( addValue == null )
return date1;
if ( addValue instanceof Number )
{
int millis = ((Number) addValue).intValue();
return date1.plusMillis( millis );
}
throw new ZeidonException( "Value type of %s not supported for add to DateDomain", addValue.getClass().getName() );
}
@Override
public Object addToAttribute( Task task,
AttributeInstance attributeInstance,
AttributeDef attributeDef,
Object currentValue,
Object operand,
String contextName )
{
if ( ! StringUtils.isBlank( contextName ) )
{
return addWithContext( task,
attributeInstance,
attributeDef,
currentValue,
operand,
contextName );
}
return addToAttribute( task, attributeInstance, attributeDef, currentValue, operand );
}
private Object addWithContext( Task task,
AttributeInstance attributeInstance,
AttributeDef attributeDef,
Object currentValue,
Object operand,
String contextName )
{
assert ! StringUtils.isBlank( contextName );
if ( operand instanceof AttributeInstance )
operand = ((AttributeInstance) operand).getValue();
if ( ! ( operand instanceof Integer ) && ! ( operand instanceof Long ) )
{
throw new ZeidonException( "When adding to DateTime with a context, operand must be integer or long value. " +
"Type of operand = %s", operand.getClass().getName() )
.prependAttributeDef( attributeDef );
}
int value = ((Number) operand).intValue();
DateTime dt = (DateTime) currentValue;
switch ( contextName.toLowerCase() )
{
case "day":
case "days":
return dt.plusDays( value );
case "hour":
case "hours":
return dt.plusHours( value );
case "minute":
case "minutes":
return dt.plusMinutes( value );
case "milli":
case "millis":
case "millisecond":
case "milliseconds":
return dt.plus( ((Number) operand).longValue() );
case "month":
case "months":
return dt.plusMonths( value );
case "second":
case "seconds":
return dt.plusSeconds( value );
case "week":
case "weeks":
return dt.plusWeeks( value );
case "year":
case "years":
return dt.plusYears( value );
}
// TODO Auto-generated method stub
throw new ZeidonException( "Unknown context name '%s' for DateTime domain", contextName )
.prependAttributeDef( attributeDef );
}
@Override
public DomainContext newContext(Task task)
{
return new DateContext( this );
}
/**
* Generate a random test value for this domain. This is used by test code to create random
* test data.
*
* @param task current task
* @param attributeDef def of the attribute.
* @param entityInstance if not null this is the EntityInstance that will store the test data.
*
* @return random test data for this domain.
*/
@Override
public Object generateRandomTestValue( Task task, AttributeDef attributeDef, EntityInstance entityInstance )
{
DomainContext context = getDefaultContext();
return context.convertToString( task, attributeDef, new DateTime() );
}
private class DateContext extends BaseDomainContext
{
/**
* URL for Java SimpleDateFormat help.
*/
private static final String JAVA_DATE_FORMATTING_URL = "http://docs.oracle.com/javase/8/docs/api/java/text/SimpleDateFormat.html";
public DateContext(Domain domain)
{
super( domain );
}
private DateTimeFormatter formatter;
@Override
public String convertToString(Task task, AttributeDef attributeDef, Object internalValue) throws ZeidonException
{
if ( internalValue == null )
return StringDomain.checkNullString(task.getApplication(), null);
if ( internalValue.toString().isEmpty())
return internalValue.toString();
if ( formatter == null )
throw new ZeidonException( "JavaEditString is not set for context %s", this.toString() );
return formatter.print( (DateTime) internalValue );
}
/**
* Assumes a string.
*/
@Override
public Object convertExternalValue(Task task, AttributeDef attributeDef, Object value) throws InvalidAttributeValueException
{
if ( value == null )
return null;
// If external value is an AttributeInstance then get *its* internal value.
if ( value instanceof AttributeInstance )
value = ((AttributeInstance) value).getValue();
String s = (String) value;
// VML operations use "" as synonymous with null.
if ( StringUtils.isBlank( s ) )
return null;
// A common internal date/time format is the DefaultTimeFormat. Let's try
// a quick check to see if 's' is the same length and only digits.
if ( s.length() >= ObjectEngine.INTERNAL_DATE_STRING_FORMAT.length() && JoeUtils.onlyDigits( s ) )
return JoeUtils.parseStandardDateString( s );
if ( formatter == null )
throw new ZeidonException( "JavaEditString is not set for context %s", this.toString() );
try
{
return formatter.parseDateTime( s );
}
catch ( Exception e )
{
throw new InvalidAttributeValueException( attributeDef, s, e.getMessage() )
.appendMessage( "Format string = %s", getEditString() )
.appendMessage( "See %s for help on Java Date formatting", JAVA_DATE_FORMATTING_URL )
.setCause( e );
}
}
@Override
protected void setEditString( String editString )
{
super.setEditString( editString );
formatter = JoeUtils.createDateFormatterFromEditString( editString );
}
}
}
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