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| package cn.holelin.dicom.util.pacs;
import cn.holelin.dicom.enums.InformationModelEnum; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.text.MessageFormat; import java.util.ArrayList; import java.util.List; import java.util.Set; import lombok.AllArgsConstructor; import lombok.Builder; import lombok.Data; import lombok.NoArgsConstructor; import org.dcm4che3.data.Attributes; import org.dcm4che3.data.Tag; import org.dcm4che3.data.UID; import org.dcm4che3.io.DicomInputStream; import org.dcm4che3.io.DicomInputStream.IncludeBulkData; import org.dcm4che3.net.Association; import org.dcm4che3.net.DimseRSPHandler; import org.dcm4che3.net.InputStreamDataWriter; import org.dcm4che3.net.Status; import org.dcm4che3.net.pdu.PresentationContext; import org.dcm4che3.tool.common.DicomFiles.Callback; import org.dcm4che3.util.SafeClose; import org.dcm4che3.util.StringUtils; import org.dcm4che3.util.TagUtils;
public class StoreScuHelper extends AbstractDcm4cheTemplate {
private String filePath; private List<ScuInfo> list = new ArrayList<>();
public StoreScuHelper(String deviceName, String aeTitle, String remoteHostName, Integer remotePort, String remoteAeTitle, String filePath) { super(deviceName, aeTitle, remoteHostName, remotePort, remoteAeTitle); this.filePath = filePath; }
@Override void execute(InformationModelEnum model, Attributes conditions) throws IOException { for (ScuInfo info : list) { if (this.association.isReadyForDataTransfer()) { try { send(new File(info.getFilePath()), info.getEndFmi(), info.getCuid(), info.getIuid(), info.getTs()); } catch (Exception e) { e.printStackTrace(); } try { this.association.waitForOutstandingRSP(); } catch (InterruptedException e) { e.printStackTrace(); } }
} list.clear(); }
@Override void preConnect(InformationModelEnum model) { final Path path = Paths.get(filePath); doScan(path, (file, fmi, dsPos, ds) -> { if (!addFile(file, dsPos, fmi)) { return false; } return true; }); }
private void doScan(Path path, Callback callback) { if (Files.isDirectory(path)) { try { Files.list(path).forEach(it -> doScan(it, callback)); } catch (IOException e) { throw new RuntimeException(e); }
} else { final File file = path.toFile(); try (DicomInputStream in = new DicomInputStream(file)) { in.setIncludeBulkData(IncludeBulkData.NO); Attributes fmi = in.readFileMetaInformation(); long dsPos = in.getPosition(); Attributes ds = in.readDatasetUntilPixelData(); if (fmi == null || !fmi.containsValue(Tag.TransferSyntaxUID) || !fmi.containsValue(Tag.MediaStorageSOPClassUID) || !fmi.containsValue(Tag.MediaStorageSOPInstanceUID)) { fmi = ds.createFileMetaInformation(in.getTransferSyntax()); } boolean b = callback.dicomFile(file, fmi, dsPos, ds); } catch (Exception e) { throw new RuntimeException(e); }
} }
private boolean addFile(File f, long endFmi, Attributes fmi) throws IOException { String cuid = fmi.getString(Tag.MediaStorageSOPClassUID); String iuid = fmi.getString(Tag.MediaStorageSOPInstanceUID); String ts = fmi.getString(Tag.TransferSyntaxUID); if (cuid == null || iuid == null) { return false; } final ScuInfo scuInfo = ScuInfo.builder().cuid(cuid).ts(ts).iuid(iuid).endFmi(endFmi).filePath(f.getPath()) .build();
list.add(scuInfo); if (this.aarq.containsPresentationContextFor(cuid, ts)) { return true; }
if (!this.aarq.containsPresentationContextFor(cuid)) { if (!ts.equals(UID.ExplicitVRLittleEndian)) { this.aarq.addPresentationContext( new PresentationContext(this.aarq.getNumberOfPresentationContexts() * 2 + 1, cuid, UID.ExplicitVRLittleEndian)); } if (!ts.equals(UID.ImplicitVRLittleEndian)) { this.aarq.addPresentationContext( new PresentationContext(this.aarq.getNumberOfPresentationContexts() * 2 + 1, cuid, UID.ImplicitVRLittleEndian)); } } this.aarq.addPresentationContext( new PresentationContext(this.aarq.getNumberOfPresentationContexts() * 2 + 1, cuid, ts)); return true; }
public void send(final File f, long fmiEndPos, String cuid, String iuid, String filets) throws FileNotFoundException { String ts = selectTransferSyntax(cuid, filets);
FileInputStream in = new FileInputStream(f); try { in.skip(fmiEndPos); InputStreamDataWriter data = new InputStreamDataWriter(in); this.association.cstore(cuid, iuid, 0, data, ts, rspHandlerFactory.createDimseRSPHandler(this.association, f)); } catch (IOException | InterruptedException e) { throw new RuntimeException(e); } finally { SafeClose.close(in); } }
private String selectTransferSyntax(String cuid, String filets) { Set<String> tss = this.association.getTransferSyntaxesFor(cuid); if (tss.contains(filets)) { return filets; }
if (tss.contains(UID.ExplicitVRLittleEndian)) { return UID.ExplicitVRLittleEndian; }
return UID.ImplicitVRLittleEndian; }
public interface RSPHandlerFactory {
DimseRSPHandler createDimseRSPHandler(Association as, File file); }
private RSPHandlerFactory rspHandlerFactory = new RSPHandlerFactory() {
@Override public DimseRSPHandler createDimseRSPHandler(Association as, final File file) { return new DimseRSPHandler(as.nextMessageID()) { @Override public void onDimseRSP(Association as, Attributes cmd, Attributes data) { super.onDimseRSP(as, cmd, data); onCStoreRSP(cmd, file); } }; } };
private void onCStoreRSP(Attributes cmd, File f) { int status = cmd.getInt(Tag.Status, -1); switch (status) { case Status.Success:
System.out.print('.'); break; case Status.CoercionOfDataElements: case Status.ElementsDiscarded: case Status.DataSetDoesNotMatchSOPClassWarning: System.err.println(MessageFormat.format( TagUtils.shortToHexString(status), f)); System.err.println(cmd); break; default: System.out.print('E'); System.err.println(cmd); } } } @Data @Builder @AllArgsConstructor @NoArgsConstructor class ScuInfo {
private String cuid; private String iuid; private String ts; private long endFmi; private String filePath;
@Override public String toString() { return "ScuInfo{" + "cuid='" + cuid + '\'' + ", iuid='" + iuid + '\'' + ", ts='" + ts + '\'' + ", endFmi=" + endFmi + ", filePath='" + filePath + '\'' + '}'; } }
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