/* package private */
internal virtual TransitionImpl GetTransition(String transitionName, StateImpl state, DbSession dbSession)
{
TransitionImpl transition = null;
if ((Object)transitionName != null)
{
Object[] values = new Object[] { transitionName, state.Id };
IType[] types = new IType[] { DbType.STRING, DbType.LONG };
transition = (TransitionImpl)dbSession.FindOne(queryFindTransitionByName, values, types);
}
else
{
ISet leavingTransitions = state.LeavingTransitions;
if (leavingTransitions.Count == 1)
{
IEnumerator transEnum = leavingTransitions.GetEnumerator();
transEnum.MoveNext();
transition = (TransitionImpl)transEnum.Current;
}
else
{
throw new SystemException("no transitionName was specified : this is only allowed if the state (" + state.Name + ") has exactly 1 leaving transition (" + leavingTransitions.Count + ")");
}
}
return transition;
}
public virtual void ReadWebData(XmlElement xmlElement, ProcessDefinitionBuildContext creationContext)
{
// first read the image
XmlElement imageElement = xmlElement.GetChildElement("image");
creationContext.Check((imageElement != null), "element image is missing");
// reading the image-file
String imageFileName = imageElement.GetProperty("name");
creationContext.Check(((Object)imageFileName != null), "image name is missing");
this._image = (byte[])creationContext.Entries[imageFileName];
if (this._image == null)
{
creationContext.AddError("couldn't find image file '" + imageFileName + "' in the process archive. (make sure the specified path is relative to the archive-root)");
}
this._imageMimeType = imageElement.GetProperty("mime-type");
creationContext.Check(((Object)_imageMimeType != null), "image mime-type is missing");
try
{
_imageHeight = Int32.Parse(imageElement.GetProperty("height"));
creationContext.Check(((Object)_imageHeight != null), "image height is missing");
_imageWidth = Int32.Parse(imageElement.GetProperty("width"));
creationContext.Check(((Object)_imageWidth != null), "image width is missing");
}
catch (FormatException e)
{
creationContext.AddError("image height or width contains unparsable numbers : height=\"" + imageElement.GetProperty("height") + "\" width=\"" + imageElement.GetProperty("width") + "\". Exception: " + e.Message);
}
DbSession dbSession = creationContext.DbSession;
// then the activity-states
IEnumerator iter = xmlElement.GetChildElements("activity-state").GetEnumerator();
while (iter.MoveNext())
{
XmlElement activityStateElement = (XmlElement)iter.Current;
String activityStateName = activityStateElement.GetProperty("name");
creationContext.Check(((Object)activityStateName != null), "property name in activity state is missing");
Object[] values = new Object[] { activityStateName, _id };
IType[] types = new IType[] { DbType.STRING, DbType.LONG };
StateImpl state = null;
try
{
state = (StateImpl)dbSession.FindOne(queryFindState, values, types);
}
catch (DbException e)
{
creationContext.AddError("activity-state '" + activityStateName + "' was referenced from the webinterface.xml but not defined in the processdefinition.xml. Exception:" + e.Message);
}
state.ReadWebData(activityStateElement, creationContext);
}
}
public void CheckAccess(IDictionary attributeValues, StateImpl state)
{
IDictionary fields = new Hashtable();
// first we check if a value is supplied for all required fields
IEnumerator iter = state.Fields.GetEnumerator();
log.Debug(iter);
while (iter.MoveNext())
{
FieldImpl field = (FieldImpl) iter.Current;
String attributeName = field.Attribute.Name;
fields[attributeName] = field;
// if a field is found required and no attribute value is supplied throw
// RequiredFieldException
log.Debug(field);
log.Debug(field.Access);
if ((FieldAccessHelper.IsRequired(field.Access)) && (attributeValues == null))
{
throw new RequiredFieldException(field);
}
// OR
// if field is found required and attribute value of it is not available
// throw RequiredFieldException
if ((FieldAccessHelper.IsRequired(field.Access)) && (attributeValues != null) && (!attributeValues.Contains(attributeName)))
{
throw new RequiredFieldException(field);
}
}
// then we check if the access of all supplied values is writable
IList attributeNamesToBeRemoved = new ArrayList(); // store attribute name of attribute to be removed
if (attributeValues != null)
{
iter = attributeValues.GetEnumerator();
while (iter.MoveNext())
{
DictionaryEntry entry = (DictionaryEntry) iter.Current;
String attributeName = (String) entry.Key;
FieldImpl field = (FieldImpl) fields[attributeName];
if ((field != null) && (!FieldAccessHelper.IsWritable(field.Access)))
{
log.Warn("ignoring attributeValue for unwritable attribute '" + attributeName + "'");
// commented out cause will result in ConcurrentModificationException
// instead copy its attribute name and remove later OR do a deep copy of the
// attributeValues so there is one set that gets iterated and another that
//gets deleted???
//attributeValues.remove( attributeName );
attributeNamesToBeRemoved.Add(attributeName);
}
}
// now removed collected to be removed attribute
IEnumerator itr = attributeNamesToBeRemoved.GetEnumerator();
while (itr.MoveNext())
{
String an = (String) itr.Current;
attributeValues.Remove(an);
}
}
}
