/*
* Get the contents of an input dataset element by tag,
* handling CTP elements specially.
* @param tag the element tag
* @return the value of the specified element in the current dataset,
* @throws Exception if the element is missing.
*/
public String contents(int tag) throws Exception {
SpecificCharacterSet cs = inDS.getSpecificCharacterSet();
// Handle FileMetaInfo references
if ((inFMI != null) && ((tag & 0x7FFFFFFF) < 0x80000)) {
DcmElement el = inFMI.get(tag);
if (el == null) throw new Exception(Tags.toString(tag) + " missing");
return el.getString(cs);
}
// Not FMI, handle DataSet references
boolean ctp = false;
if (((tag & 0x00010000) != 0) && ((tag & 0x0000ff00) != 0)) {
int blk = (tag & 0xffff0000) | ((tag & 0x0000ff00) >> 8);
try {
ctp = inDS.getString(blk).equals("CTP");
} catch (Exception notCTP) {
ctp = false;
}
}
DcmElement el = inDS.get(tag);
if (el == null) throw new Exception(Tags.toString(tag) + " missing");
if (ctp) return new String(inDS.getByteBuffer(tag).array());
String[] s = el.getStrings(cs);
if (s.length == 1) return s[0];
if (s.length == 0) return "";
StringBuffer sb = new StringBuffer(s[0]);
for (int i = 1; i < s.length; i++) {
sb.append("\\" + s[i]);
}
return sb.toString();
}
/**
* Check a DicomObject and record any failing lookups in the database.
*
* @param fileObject the object to process.
* @return the same FileObject if the result is true; otherwise null.
*/
public FileObject process(FileObject fileObject) {
String cmd;
lastFileIn = new File(fileObject.getFile().getAbsolutePath());
lastTimeIn = System.currentTimeMillis();
if (fileObject instanceof DicomObject) {
DicomObject dob = (DicomObject) fileObject;
if (dcmScriptFile != null) {
DAScript daScript = DAScript.getInstance(dcmScriptFile);
scriptTable = new ScriptTable(daScript);
lutProps = LookupTable.getProperties(lutFile);
synchronized (this) {
Dataset ds = dob.getDataset();
charset = ds.getSpecificCharacterSet();
boolean ok = checkDataset(ds);
if (!ok) {
try {
recman.commit();
} catch (Exception unable) {
}
;
if (quarantine != null) quarantine.insert(fileObject);
return null;
}
}
}
}
lastFileOut = new File(fileObject.getFile().getAbsolutePath());
lastTimeOut = System.currentTimeMillis();
return fileObject;
}
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) {
}
}
}
}
/*
* Get the SpecificCharacterSet of the input dataset.
* @return the SpecificCharacterSet of the input dataset.
*/
public SpecificCharacterSet getSpecificCharacterSet() {
return inDS.getSpecificCharacterSet();
}
