public PrivateGroupsIndex(Dataset ds) {
this.ds = ds;
cs = ds.getSpecificCharacterSet();
index = new Hashtable<Integer, PrivateGroupIndex>();
for (Iterator it = ds.iterator(); it.hasNext(); ) {
DcmElement el = (DcmElement) it.next();
int tag = el.tag();
int group = (tag >> 16) & 0xFFFF;
int element = tag & 0xFFFF;
if (((group & 1) != 0) && (element < 0x100)) {
// This is a private group element that claims a block.
try {
String blockOwnerID = el.getString(cs);
if ((blockOwnerID != null) && !(blockOwnerID = blockOwnerID.trim()).equals("")) {
// Get the index of this group
Integer gpInteger = new Integer(group);
PrivateGroupIndex idx = index.get(gpInteger);
if (idx == null) {
idx = new PrivateGroupIndex();
index.put(gpInteger, idx);
}
// Store the mapping for this block.
// Note: this implementation requires that all blocks
// within a single private group be claimed with unique IDs.
// The standard doesn't seem to require this constraint, but
// objects in practice seem to observe it. There is a CP
// inprocess to require it.
idx.put(blockOwnerID, new Integer(tag));
}
} catch (Exception skip) {
}
}
}
}
private boolean checkDataset(Dataset ds) {
boolean ok = true;
for (Iterator it = ds.iterator(); it.hasNext(); ) {
DcmElement el = (DcmElement) it.next();
int tag = 0;
try {
tag = el.tag();
} catch (Exception useZero) {
}
String command = scriptTable.get(new Integer(tag));
if (command != null) {
if (el.vr() == VRs.SQ) {
Matcher processMatcher = processPattern.matcher(command);
if (processMatcher.find()) {
int i = 0;
Dataset child;
while ((child = el.getItem(i++)) != null) {
ok &= checkDataset(child);
}
}
} else {
Matcher lookupMatcher = lookupPattern.matcher(command);
// logger.info("Parsing: "+command);
while (lookupMatcher.find()) {
int nGroups = lookupMatcher.groupCount();
String element = lookupMatcher.group(1).trim();
String keyType = lookupMatcher.group(2).trim() + "/";
String action = (nGroups > 2) ? lookupMatcher.group(3).trim() : "";
String regex = (nGroups > 3) ? lookupMatcher.group(4).trim() : "";
// logger.info("...nGroups = "+nGroups);
// logger.info("...element: |"+element+"|");
// logger.info("...keyType: |"+keyType+"|");
// logger.info("...action : |"+action+"|");
// logger.info("...regex: |"+regex+"|");
int targetTag = (element.equals("this") ? tag : DicomObject.getElementTag(element));
String targetValue = handleNull(ds.getString(targetTag));
if (!targetValue.equals("")) {
String key = keyType + targetValue;
if (lutProps.getProperty(key) == null) {
boolean there = false;
if (action.equals("keep")
|| action.equals("skip")
|| action.equals("remove")
|| action.equals("empty")
|| action.equals("default")) there = true;
else if (action.equals("ignore")) {
regex = removeQuotes(regex);
there = targetValue.matches(regex);
}
try {
if (!there) {
index.insert(key, keyType, true);
ok = false;
}
} catch (Exception ignore) {
}
}
}
}
}
}
}
return ok;
}