/**
* Initializes Association related parameters.
*
* @param cfg the configuration properties for this class.
* @param url the DcmURL of the communication partner.
*/
private final void initAssocParam(ConfigProperties cfg, DcmURL url) {
String callingAET = null;
// >>>> Get data for filling the Association object for establishing an
// >>>> active association from configuration file
acTimeout = Integer.parseInt(cfg.getProperty("ac-timeout", "5000"));
dimseTimeout = Integer.parseInt(cfg.getProperty("dimse-timeout", "0"));
soCloseDelay = Integer.parseInt(cfg.getProperty("so-close-delay", "500"));
// >>>> Fill the Association Request package (A-ASSOCIATE-RQ)
// Identifying the communication partner by an AET (Application Entity Title)
assocRQ.setCalledAET(url.getCalledAET());
// Identifying ourselves by an AET (Application Entity Title)
if (url.getCallingAET() != null) {
callingAET = url.getCallingAET();
} else {
callingAET = DEFAULT_CALLING_AET;
}
assocRQ.setCallingAET(callingAET);
// Maximum size of one PDU (Protocol Data Unit)
assocRQ.setMaxPDULength(Integer.parseInt(cfg.getProperty("max-pdu-len", "16352")));
// Defines possibilities for asynchron DIMSE communication. Noramly synchron DIMSE communication
// is used.
// API doc: AssociationFactory.newAsyncOpsWindow(int maxOpsInvoked, int maxOpsPerfomed)
// PS 3.7 - Annex D.3.3.3 ASYNCHRONOUS OPERATIONS WINDOW NEGOTIATION
// maxOpsInvoked: This field shall contain the Maximum-number-operationsinvoked as defined for
// the Association-requester
// maxOpsPerfomed: This field shall contain the Maximum-number-operationsperformed as defined
// for the Association-requester
assocRQ.setAsyncOpsWindow(
aFact.newAsyncOpsWindow(Integer.parseInt(cfg.getProperty("max-op-invoked", "0")), 1));
for (Enumeration it = cfg.keys(); it.hasMoreElements(); ) {
String key = (String) it.nextElement();
// Setup available transfer syntaces for storage SOP classes
// PS 3.4 - Annex B STORAGE SERVICE CLASS
// PS 3.4 - B.5 STANDARD SOP CLASSES
if (key.startsWith("pc.")) {
initPresContext(
Integer.parseInt(key.substring(3)),
cfg.tokenize(cfg.getProperty(key), new LinkedList()));
}
}
}
/**
* Only used by method initAssocParam: Sets up available transfer syntaces for storage SOP
* classes.
*
* @param pcid is a for the association unique odd number between 1 and 255.
* @param val a list: First element is the symbolic name of the UID of the SOP to transmit, the
* following elements are the supportet transfer syntax for that SOP.
*/
private final void initPresContext(int pcid, List val) {
Iterator it = val.iterator();
String as = UIDs.forName((String) it.next());
String[] tsUIDs = new String[val.size() - 1];
for (int i = 0; i < tsUIDs.length; ++i) {
tsUIDs[i] = UIDs.forName((String) it.next());
}
// API doc: AssociationFactory.newPresContext(int pcid, String asuid, String[] tsuid)
// pcid is a for the association unique odd number between 1 and 255.
// asuid is the UID of a SOP class
// TS list of transfer syntaces supported by this class for asuid.
assocRQ.addPresContext(aFact.newPresContext(pcid, as, tsUIDs));
}
