/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
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*
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is part of dcm4che, an implementation of DICOM(TM) in
* Java(TM), hosted at https://github.com/gunterze/dcm4che.
*
* The Initial Developer of the Original Code is
* Agfa Healthcare.
* Portions created by the Initial Developer are Copyright (C) 2011
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* See @authors listed below
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package org.dcm4che3.tool.dcmqrscp;
import java.io.IOException;
import org.dcm4che3.data.Tag;
import org.dcm4che3.data.Attributes;
import org.dcm4che3.media.DicomDirReader;
import org.dcm4che3.net.Association;
import org.dcm4che3.net.Status;
import org.dcm4che3.net.pdu.PresentationContext;
import org.dcm4che3.net.service.DicomServiceException;
import org.dcm4che3.util.StringUtils;
class StudyQueryTask extends PatientQueryTask {
protected final String[] studyIUIDs;
protected Attributes studyRec;
public StudyQueryTask(Association as, PresentationContext pc, Attributes rq, Attributes keys,
DicomDirReader ddr, String availability) throws DicomServiceException {
super(as, pc, rq, keys, ddr, availability);
studyIUIDs = StringUtils.maskNull(keys.getStrings(Tag.StudyInstanceUID));
wrappedFindNextStudy();
}
@Override
public boolean hasMoreMatches() throws DicomServiceException {
return studyRec != null;
}
@Override
public Attributes nextMatch() throws DicomServiceException {
Attributes ret = new Attributes(patRec.size() + studyRec.size());
ret.addAll(patRec);
ret.addAll(studyRec);
wrappedFindNextStudy();
return ret;
}
private void wrappedFindNextStudy() throws DicomServiceException {
try {
findNextStudy();
} catch (IOException e) {
throw new DicomServiceException(Status.UnableToProcess, e);
}
}
protected boolean findNextStudy() throws IOException {
if (patRec == null)
return false;
if (studyRec == null)
studyRec = ddr.findStudyRecord(patRec, studyIUIDs);
else if (studyIUIDs != null && studyIUIDs.length == 1)
studyRec = null;
else
studyRec = ddr.findNextStudyRecord(studyRec, studyIUIDs);
while (studyRec == null && super.findNextPatient())
studyRec = ddr.findStudyRecord(patRec, studyIUIDs);
return studyRec != null;
}
}