package org.andromda.metafacades.emf.uml2;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedHashSet;
import org.andromda.metafacades.uml.AttributeFacade;
import org.andromda.metafacades.uml.ClassifierFacade;
import org.andromda.metafacades.uml.EventFacade;
import org.andromda.metafacades.uml.FrontEndAction;
import org.andromda.metafacades.uml.FrontEndControllerOperation;
import org.andromda.metafacades.uml.FrontEndEvent;
import org.andromda.metafacades.uml.FrontEndForward;
import org.andromda.metafacades.uml.ModelElementFacade;
import org.andromda.metafacades.uml.TransitionFacade;
import org.andromda.metafacades.uml.UMLProfile;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Predicate;
import org.apache.commons.collections.Transformer;
import org.apache.commons.lang.ObjectUtils;
import org.apache.commons.lang.StringUtils;
/**
* MetafacadeLogic implementation for
* org.andromda.metafacades.uml.FrontEndParameter.
*
* @see org.andromda.metafacades.uml.FrontEndParameter
*/
public class FrontEndParameterLogicImpl
extends FrontEndParameterLogic
{
public FrontEndParameterLogicImpl(
final Object metaObject,
final String context)
{
super(metaObject, context);
}
/**
* @see org.andromda.metafacades.uml.FrontEndParameter#isControllerOperationArgument()
*/
protected boolean handleIsControllerOperationArgument()
{
return this.getControllerOperation() != null;
}
/**
* @see org.andromda.metafacades.uml.FrontEndParameter#getControllerOperation()
*/
protected Object handleGetControllerOperation()
{
return this.getOperation();
}
/**
* @see org.andromda.metafacades.uml.FrontEndParameter#isContainedInFrontEndUseCase()
*/
protected boolean handleIsContainedInFrontEndUseCase()
{
return this.getEvent() instanceof FrontEndEvent || this.getOperation() instanceof FrontEndControllerOperation;
}
/**
* @see org.andromda.metafacades.uml.FrontEndParameter#getView()
*/
protected Object handleGetView()
{
Object view = null;
final EventFacade event = this.getEvent();
if (event != null)
{
final TransitionFacade transition = event.getTransition();
if (transition instanceof FrontEndAction)
{
final FrontEndAction action = (FrontEndAction)transition;
view = action.getInput();
}
else if (transition instanceof FrontEndForward)
{
final FrontEndForward forward = (FrontEndForward)transition;
if (forward.isEnteringView())
{
view = forward.getTarget();
}
}
}
return view;
}
/**
* @see org.andromda.metafacades.uml.FrontEndParameter#isActionParameter()
*/
protected boolean handleIsActionParameter()
{
final FrontEndAction action = this.getAction();
return action != null && action.getParameters().contains(this.THIS());
}
/**
* @see org.andromda.metafacades.uml.FrontEndParameter#getAction()
*/
protected Object handleGetAction()
{
Object actionObject = null;
final EventFacade event = this.getEvent();
if (event != null)
{
final TransitionFacade transition = event.getTransition();
if (transition instanceof FrontEndAction)
{
actionObject = transition;
}
}
return actionObject;
}
/**
* @see org.andromda.metafacades.uml.FrontEndParameter#isTable()
*/
protected boolean handleIsTable()
{
boolean isTable = false;
final ClassifierFacade type = this.getType();
if (type != null)
{
isTable = type.isCollectionType() || type.isArrayType();
if (isTable)
{
final String tableTaggedValue = ObjectUtils.toString(this.findTaggedValue(UMLProfile.TAGGEDVALUE_PRESENTATION_IS_TABLE));
isTable =
StringUtils.isNotBlank(tableTaggedValue) ? Boolean.valueOf(tableTaggedValue.trim()).booleanValue() : true;
if (!isTable)
{
isTable = !this.getTableColumnNames().isEmpty();
}
}
}
return isTable && this.getOperation() == null;
}
/**
* @see org.andromda.metafacades.uml.FrontEndParameter#getTableColumnNames()
*/
protected Collection handleGetTableColumnNames()
{
final Collection tableColumnNames = new LinkedHashSet();
final Collection taggedValues = this.findTaggedValues(UMLProfile.TAGGEDVALUE_PRESENTATION_TABLE_COLUMNS);
if (!taggedValues.isEmpty())
{
for (final Iterator iterator = taggedValues.iterator(); iterator.hasNext();)
{
final String taggedValue = StringUtils.trimToNull(String.valueOf(iterator.next()));
if (taggedValue != null)
{
final String[] properties = taggedValue.split("[,\\s]+");
for (int ctr = 0; ctr < properties.length; ctr++)
{
final String property = properties[ctr];
tableColumnNames.add(property);
}
}
}
}
// - if we have no table column names explicitly defined, use the table
// attribute names.
if (tableColumnNames.isEmpty())
{
tableColumnNames.addAll(this.getTableAttributeNames());
}
return tableColumnNames;
}
/**
* @see org.andromda.metafacades.uml.FrontEndParameter#getTableColumns()
*/
protected Collection handleGetTableColumns()
{
final Collection tableColumns = new ArrayList(this.getNonArrayAttributes());
final Collection tableColumnNames = this.getTableColumnNames();
CollectionUtils.filter(
tableColumns,
new Predicate()
{
public boolean evaluate(final Object object)
{
final ModelElementFacade attribute = (ModelElementFacade)object;
final String attributeName = attribute.getName();
return attributeName != null && tableColumnNames.contains(attributeName);
}
});
return tableColumns;
}
/**
* Gets all attributes for an array type that has a corresponding non-array
* type.
*
* @return the collection of attributes.
*/
private Collection getNonArrayAttributes()
{
final Collection nonArrayAttributes = new ArrayList();
final ClassifierFacade type = this.getType();
if (type != null && type.isArrayType())
{
final ClassifierFacade nonArrayType = type.getNonArray();
if (nonArrayType != null)
{
nonArrayAttributes.addAll(nonArrayType.getAttributes(true));
}
}
return nonArrayAttributes;
}
/**
* @see org.andromda.metafacades.uml.FrontEndParameter#getTableAttributeNames()
*/
protected Collection handleGetTableAttributeNames()
{
final Collection tableAttributeNames = new ArrayList(this.getNonArrayAttributes());
CollectionUtils.transform(
tableAttributeNames,
new Transformer()
{
public Object transform(final Object object)
{
return ((AttributeFacade)object).getName();
}
});
return tableAttributeNames;
}
}