/** @param tag */
private String makeElementNameFromHexadecimalGroupElementValues(AttributeTag tag) {
StringBuffer str = new StringBuffer();
str.append("HEX"); // XML element names not allowed to start with a number
String groupString = Integer.toHexString(tag.getGroup());
for (int i = groupString.length(); i < 4; ++i) str.append("0");
str.append(groupString);
String elementString = Integer.toHexString(tag.getElement());
for (int i = elementString.length(); i < 4; ++i) str.append("0");
str.append(elementString);
return str.toString();
}
private long readItemTag() throws IOException {
AttributeTag tag = readAttributeTag();
// System.err.println("EncapsulatedInputStream.readItemTag: tag="+tag);
long vl = i.readUnsigned32(); // always implicit VR form for items and delimiters
bytesRead += 4;
if (tag.equals(TagFromName.SequenceDelimitationItem)) {
// System.err.println("EncapsulatedInputStream.readItemTag: SequenceDelimitationItem");
vl = 0; // regardless of what was read
sequenceDelimiterEncountered = true;
} else if (!tag.equals(TagFromName.Item)) {
throw new IOException(
"Unexpected DICOM tag "
+ tag
+ " (vl="
+ vl
+ ") in encapsulated data whilst expecting Item or SequenceDelimitationItem");
}
// System.err.println("EncapsulatedInputStream.readItemTag: length="+vl);
return vl;
}
/**
* @param list
* @param document
* @param parent
*/
void addAttributesFromListToNode(AttributeList list, Document document, Node parent) {
DicomDictionary dictionary = list.getDictionary();
Iterator i = list.values().iterator();
while (i.hasNext()) {
Attribute attribute = (Attribute) i.next();
AttributeTag tag = attribute.getTag();
String elementName = dictionary.getNameFromTag(tag);
if (elementName == null) {
elementName = makeElementNameFromHexadecimalGroupElementValues(tag);
}
Node node = document.createElement(elementName);
parent.appendChild(node);
{
Attr attr = document.createAttribute("group");
attr.setValue(HexDump.shortToPaddedHexString(tag.getGroup()));
node.getAttributes().setNamedItem(attr);
}
{
Attr attr = document.createAttribute("element");
attr.setValue(HexDump.shortToPaddedHexString(tag.getElement()));
node.getAttributes().setNamedItem(attr);
}
{
Attr attr = document.createAttribute("vr");
attr.setValue(ValueRepresentation.getAsString(attribute.getVR()));
node.getAttributes().setNamedItem(attr);
}
if (attribute instanceof SequenceAttribute) {
int count = 0;
Iterator si = ((SequenceAttribute) attribute).iterator();
while (si.hasNext()) {
SequenceItem item = (SequenceItem) si.next();
Node itemNode = document.createElement("Item");
Attr numberAttr = document.createAttribute("number");
numberAttr.setValue(Integer.toString(++count));
itemNode.getAttributes().setNamedItem(numberAttr);
node.appendChild(itemNode);
addAttributesFromListToNode(item.getAttributeList(), document, itemNode);
}
} else {
// Attr attr = document.createAttribute("value");
// attr.setValue(attribute.getDelimitedStringValuesOrEmptyString());
// node.getAttributes().setNamedItem(attr);
// node.appendChild(document.createTextNode(attribute.getDelimitedStringValuesOrEmptyString()));
String values[] = null;
try {
values = attribute.getStringValues();
} catch (DicomException e) {
// e.printStackTrace(System.err);
}
if (values != null) {
for (int j = 0; j < values.length; ++j) {
Node valueNode = document.createElement("value");
Attr numberAttr = document.createAttribute("number");
numberAttr.setValue(Integer.toString(j + 1));
valueNode.getAttributes().setNamedItem(numberAttr);
valueNode.appendChild(document.createTextNode(values[j]));
node.appendChild(valueNode);
}
}
}
}
}