private static String errorMessage(String msg, int tag, int... sqTags) {
StringBuffer sb = new StringBuffer(msg);
if (sqTags != null && sqTags.length != 0)
for (int sqTag : sqTags) Tags.toString(sb, sqTag).append('/');
Tags.toString(sb, tag);
return sb.toString();
}
/*
* 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();
}
/**
* Add the query keys found in the configuration properties to the Dataset "keys" used bei the
* cFIND method.
*
* @param cfg the configuration properties for this class.
* @throws ParseException if a given properties for the keys was not found.
*/
private void addQueryKeys(ConfigProperties cfg) throws ParseException {
// Add/replace keys found in the configuration file. Syntax key.<element name> = <element value>
for (Enumeration it = cfg.keys(); it.hasMoreElements(); ) {
String key = (String) it.nextElement();
if (key.startsWith("key.")) {
try {
keys.putXX(Tags.forName(key.substring(4)), cfg.getProperty(key));
} catch (Exception e) {
throw new ParseException(
"Illegal entry in configuration filr: " + key + "=" + cfg.getProperty(key), 0);
}
}
}
}
