public bool SetUp(DvtkData.Dimse.DicomMessage dicomMessage)
{
DvtkData.Dimse.DimseCommand command = dicomMessage.CommandField;
System.String sopClassUid = System.String.Empty;
// To be fixed - why is the SOP Class UID not always filled in?
// RB: TODO
if (command == DvtkData.Dimse.DimseCommand.CSTORERQ)
{
sopClassUid = "1.2.840.10008.5.1.4.1.1.7";
}
DvtkData.Dimse.Attribute attribute = dicomMessage.CommandSet.GetAttribute(DvtkData.Dimse.Tag.AFFECTED_SOP_CLASS_UID);
if (attribute == null)
{
attribute = dicomMessage.CommandSet.GetAttribute(DvtkData.Dimse.Tag.REQUESTED_SOP_CLASS_UID);
}
if ((attribute != null) &&
(attribute.Length != 0))
{
UniqueIdentifier uniqueIdentifier = (UniqueIdentifier)attribute.DicomValue;
sopClassUid = uniqueIdentifier.Values[0];
}
// Try to initialise a template
_template = new DicomComparisonTemplate();
bool setUpDone = _template.Initialize(command, sopClassUid);
return(setUpDone);
}
/// <summary>
/// Initialize the DicomComparator
/// </summary>
/// <param name="dicomMessage"></param>
/// <returns></returns>
/// <returns>bool - true = template initialized, false template not initialized</returns>
public bool Initialize(DvtkData.Dimse.DicomMessage dicomMessage)
{
DvtkData.Dimse.DimseCommand command = dicomMessage.CommandField;
System.String sopClassUid = System.String.Empty;
DvtkData.Dimse.Attribute attribute = dicomMessage.CommandSet.GetAttribute(DvtkData.Dimse.Tag.AFFECTED_SOP_CLASS_UID);
if (attribute == null)
{
attribute = dicomMessage.CommandSet.GetAttribute(DvtkData.Dimse.Tag.REQUESTED_SOP_CLASS_UID);
}
if ((attribute != null) &&
(attribute.Length != 0))
{
UniqueIdentifier uniqueIdentifier = (UniqueIdentifier)attribute.DicomValue;
sopClassUid = uniqueIdentifier.Values[0];
}
// Try to initialise a template
_template = new DicomComparisonTemplate();
bool initialized = _template.Initialize(command, sopClassUid);
if (initialized == true)
{
// Load the template with the corresponding attribute values
initialized = LoadTemplate(dicomMessage.DataSet);
}
return(initialized);
}
/// <summary>
/// Initialize the DicomComparator
/// </summary>
/// <param name="dicomMessage"></param>
/// <returns>bool - true = template initialized, false template not initialized</returns>
public bool Initialize(DvtkData.Dimse.DicomMessage dicomMessage)
{
// Set up the comparator using the templates
bool setUpOk = SetUp(dicomMessage);
if (setUpOk == true)
{
// Load the template with the corresponding attribute values
setUpOk = LoadTemplate(dicomMessage.DataSet);
}
return(setUpOk);
}
public bool PopulateMessage(DvtkData.Dimse.DicomMessage dicomMessage, DicomComparator sourceComparator)
{
// Check for comparator equality
if (this == sourceComparator)
{
return(false);
}
// Set up the comparator using the templates
bool setUpOk = SetUp(dicomMessage);
if (setUpOk == true)
{
// Copy the source comparator values into the dicom message if the tags are in this comparator
setUpOk = CopyToDicomMessage(dicomMessage, sourceComparator);
}
return(setUpOk);
}
/// <summary>
/// <see cref="ISniffer.Validate"/>
/// </summary>
public bool Validate(
DicomMessage message,
ValidationControlFlags validationControlFlags)
{
if (message == null) throw new System.ArgumentNullException();
//Set the validation options
Wrappers.ValidationControlFlags
wrappersValidationControlFlags = Wrappers.ValidationControlFlags.None;
if ((validationControlFlags & ValidationControlFlags.UseDefinitions) != 0)
wrappersValidationControlFlags |= Wrappers.ValidationControlFlags.UseDefinitions;
if ((validationControlFlags & ValidationControlFlags.UseValueRepresentations) != 0)
wrappersValidationControlFlags |= Wrappers.ValidationControlFlags.UseValueRepresentations;
return (this.m_adaptee as Wrappers.MSnifferSession).Validate(
message,
wrappersValidationControlFlags);
}
/// <summary>
/// Method for comparing pixel data in two DICOM messages
/// </summary>
/// <param name="message"></param>
/// <param name="referenceMessage"></param>
/// <returns></returns>
public bool ComparePixelData(DicomMessage message, DicomMessage referenceMessage)
{
if (message == null) throw new System.ArgumentNullException();
if (referenceMessage == null) throw new System.ArgumentNullException();
return (this.m_adaptee as Wrappers.MScriptSession).ComparePixelData(
message,
referenceMessage);
}
/// <summary>
/// <see cref="IDimseValidation.Validate( DicomMessage ,
/// DicomMessage ,
/// DicomMessage ,
/// ValidationControlFlags )"/>
/// </summary>
public bool Validate(
DicomMessage message,
DicomMessage referenceMessage,
DicomMessage lastMessage,
ValidationControlFlags validationControlFlags)
{
if (message == null) throw new System.ArgumentNullException();
// referenceMessage may be null
//
// Convert flags
//
Wrappers.ValidationControlFlags
wrappersValidationControlFlags = Wrappers.ValidationControlFlags.None;
if ((validationControlFlags & ValidationControlFlags.UseDefinitions) != 0)
wrappersValidationControlFlags |= Wrappers.ValidationControlFlags.UseDefinitions;
if ((validationControlFlags & ValidationControlFlags.UseReferences) != 0)
wrappersValidationControlFlags |= Wrappers.ValidationControlFlags.UseReferences;
if ((validationControlFlags & ValidationControlFlags.UseValueRepresentations) != 0)
wrappersValidationControlFlags |= Wrappers.ValidationControlFlags.UseValueRepresentations;
return (this.m_adaptee as Wrappers.MScriptSession).Validate(
message,
referenceMessage,
lastMessage,
wrappersValidationControlFlags);
}
/// <summary>
/// <see cref="IDimseMessaging.Send(DicomMessage)"/>
/// With the new UPS SOP classes (Unified Procedure Step – Push SOP Class, Unified Procedure Step –
/// Watch SOP Class, Unified Procedure Step – Pull SOP Class, Unified Procedure Step – Event SOP Class),
/// fully specified in frozen supplement 96, it is now possible to send a DICOM message with an affected
/// or requested SOP Class UID attribute that is different from the abstract syntax UID in an accepted
/// presentation context.
/// </summary>
public SendReturnCode Send(DicomMessage dicomMessage, int presentationContextId)
{
if (dicomMessage == null) throw new System.ArgumentNullException("dicomMessage");
Wrappers.SendReturnCode wrappersSendReturnCode =
(this.m_adaptee as Wrappers.MScriptSession).Send(dicomMessage, presentationContextId);
return _Convert(wrappersSendReturnCode);
}
/// <summary>
/// <see cref="IDimseMessaging.Receive(out DicomMessage)"/>
/// </summary>
public ReceiveReturnCode Receive(out DicomMessage dicomMessage)
{
dicomMessage = null;
Wrappers.ReceiveReturnCode wrappersReceiveReturnCode =
(this.m_adaptee as Wrappers.MScriptSession).Receive(out dicomMessage);
return _Convert(wrappersReceiveReturnCode);
}
private bool CopyToDicomMessage(DvtkData.Dimse.DicomMessage dicomMessage, DicomComparator sourceComparator)
{
bool messagePopulated = true;
// Check if both templates have been initialized correctly
if ((this.Template == null) ||
(sourceComparator.Template == null))
{
return(false);
}
// Iterate over this comparator
foreach (DicomComparisonTag thisComparisonTag in this.Template.ComparisonTags)
{
// try to get the equivalent tag in the sourceComparator
DicomComparisonTag sourceComparisonTag = sourceComparator.Template.ComparisonTags.Find(thisComparisonTag.Tag);
if (sourceComparisonTag != null)
{
System.String stringValue = sourceComparisonTag.DataFormat.ToDicomFormat();
DvtkData.Dimse.DataSet dataset = dicomMessage.DataSet;
if (dataset != null)
{
// we need to see if the parent sequence has been set up in the dataset
if (thisComparisonTag.ParentSequenceTag != Tag.UNDEFINED)
{
// set up the parent sequence and add it to the dataset
SequenceOfItems sequenceOfItems = null;
DvtkData.Dimse.Attribute sequenceAttribute = dataset.GetAttribute(thisComparisonTag.ParentSequenceTag);
if (sequenceAttribute == null)
{
// add in an empty item
DvtkData.Dimse.SequenceItem item = new SequenceItem();
dataset.AddAttribute(thisComparisonTag.ParentSequenceTag.GroupNumber,
thisComparisonTag.ParentSequenceTag.ElementNumber,
VR.SQ,
item);
sequenceAttribute = dataset.GetAttribute(thisComparisonTag.ParentSequenceTag);
}
// get the sequence item and add in the required attribute
sequenceOfItems = (SequenceOfItems)sequenceAttribute.DicomValue;
if (sequenceOfItems.Sequence.Count == 1)
{
DvtkData.Dimse.SequenceItem item = sequenceOfItems.Sequence[0];
if (item != null)
{
// add the attribute to the item
if (sourceComparisonTag.Vr == VR.SQ)
{
// add in an empty item
// TODO - fix this properly
DvtkData.Dimse.SequenceItem item1 = new SequenceItem();
item.AddAttribute(sourceComparisonTag.Tag.GroupNumber,
sourceComparisonTag.Tag.ElementNumber,
VR.SQ,
item1);
}
else
{
// if the attribute already exists - then we need to remove it
// - it was probably set to the default value
DvtkData.Dimse.Attribute attribute = item.GetAttribute(sourceComparisonTag.Tag);
if (attribute != null)
{
item.Remove(attribute);
}
// add the attribute to the item
item.AddAttribute(sourceComparisonTag.Tag.GroupNumber,
sourceComparisonTag.Tag.ElementNumber,
sourceComparisonTag.Vr,
stringValue);
}
}
}
}
else
{
// if the attribute already exists - then we need to remove it
// - it was probably set to the default value
DvtkData.Dimse.Attribute attribute = dataset.GetAttribute(sourceComparisonTag.Tag);
if (attribute != null)
{
dataset.Remove(attribute);
}
// add the attribute at the top level
dataset.AddAttribute(sourceComparisonTag.Tag.GroupNumber,
sourceComparisonTag.Tag.ElementNumber,
sourceComparisonTag.Vr,
stringValue);
}
}
}
}
return(messagePopulated);
}
