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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 + '\'' +
'}';
}
}
|
