Java tutorial
/* ***** 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 * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * 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 http://sourceforge.net/projects/dcm4che. * * The Initial Developer of the Original Code is * Gunter Zeilinger, Huetteldorferstr. 24/10, 1150 Vienna/Austria/Europe. * Portions created by the Initial Developer are Copyright (C) 2002-2005 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Gunter Zeilinger <gunterze@gmail.com> * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.MalformedURLException; import java.net.URL; import java.security.GeneralSecurityException; import java.security.KeyStore; import java.util.List; import java.util.concurrent.Executor; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.GnuParser; import org.apache.commons.cli.HelpFormatter; import org.apache.commons.cli.OptionBuilder; import org.apache.commons.cli.Options; import org.apache.commons.cli.ParseException; import org.dcm4che2.data.BasicDicomObject; import org.dcm4che2.data.DicomObject; import org.dcm4che2.data.Tag; import org.dcm4che2.data.UID; import org.dcm4che2.io.DicomOutputStream; import org.dcm4che2.net.Association; import org.dcm4che2.net.CommandUtils; import org.dcm4che2.net.Device; import org.dcm4che2.net.DicomServiceException; import org.dcm4che2.net.NetworkApplicationEntity; import org.dcm4che2.net.NetworkConnection; import org.dcm4che2.net.NewThreadExecutor; import org.dcm4che2.net.PDVInputStream; import org.dcm4che2.net.Status; import org.dcm4che2.net.TransferCapability; import org.dcm4che2.net.service.StorageService; import org.dcm4che2.net.service.VerificationService; import org.dcm4che2.util.CloseUtils; /** * @author gunter zeilinger(gunterze@gmail.com) * @version $Revision: 10729 $ $Date: 2009-04-06 23:33:21 +0200 (Mon, 06 Apr 2009) $ * @since Oct 13, 2005 */ public class DcmRcv extends StorageService { private static final int KB = 1024; private static final String USAGE = "dcmrcv [Options] [<aet>[@<ip>]:]<port>"; private static final String DESCRIPTION = "DICOM Server listening on specified <port> for incoming association " + "requests. If no local IP address of the network interface is specified " + "connections on any/all local addresses are accepted. If <aet> is " + "specified, only requests with matching called AE title will be " + "accepted.\n" + "Options:"; private static final String EXAMPLE = "\nExample: dcmrcv DCMRCV:11112 -dest /tmp \n" + "=> Starts server listening on port 11112, accepting association " + "requests with DCMRCV as called AE title. Received objects " + "are stored to /tmp."; private static char[] SECRET = { 's', 'e', 'c', 'r', 'e', 't' }; private static final String[] ONLY_DEF_TS = { UID.ImplicitVRLittleEndian }; private static final String[] NATIVE_TS = { UID.ExplicitVRLittleEndian, UID.ExplicitVRBigEndian, UID.ImplicitVRLittleEndian }; private static final String[] NATIVE_LE_TS = { UID.ExplicitVRLittleEndian, UID.ImplicitVRLittleEndian }; private static final String[] NON_RETIRED_TS = { UID.JPEGLSLossless, UID.JPEGLossless, UID.JPEGLosslessNonHierarchical14, UID.JPEG2000LosslessOnly, UID.DeflatedExplicitVRLittleEndian, UID.RLELossless, UID.ExplicitVRLittleEndian, UID.ExplicitVRBigEndian, UID.ImplicitVRLittleEndian, UID.JPEGBaseline1, UID.JPEGExtended24, UID.JPEGLSLossyNearLossless, UID.JPEG2000, UID.MPEG2, }; private static final String[] NON_RETIRED_LE_TS = { UID.JPEGLSLossless, UID.JPEGLossless, UID.JPEGLosslessNonHierarchical14, UID.JPEG2000LosslessOnly, UID.DeflatedExplicitVRLittleEndian, UID.RLELossless, UID.ExplicitVRLittleEndian, UID.ImplicitVRLittleEndian, UID.JPEGBaseline1, UID.JPEGExtended24, UID.JPEGLSLossyNearLossless, UID.JPEG2000, UID.MPEG2, }; private static final String[] CUIDS = { UID.BasicStudyContentNotificationSOPClassRetired, UID.StoredPrintStorageSOPClassRetired, UID.HardcopyGrayscaleImageStorageSOPClassRetired, UID.HardcopyColorImageStorageSOPClassRetired, UID.ComputedRadiographyImageStorage, UID.DigitalXRayImageStorageForPresentation, UID.DigitalXRayImageStorageForProcessing, UID.DigitalMammographyXRayImageStorageForPresentation, UID.DigitalMammographyXRayImageStorageForProcessing, UID.DigitalIntraoralXRayImageStorageForPresentation, UID.DigitalIntraoralXRayImageStorageForProcessing, UID.StandaloneModalityLUTStorageRetired, UID.EncapsulatedPDFStorage, UID.StandaloneVOILUTStorageRetired, UID.GrayscaleSoftcopyPresentationStateStorageSOPClass, UID.ColorSoftcopyPresentationStateStorageSOPClass, UID.PseudoColorSoftcopyPresentationStateStorageSOPClass, UID.BlendingSoftcopyPresentationStateStorageSOPClass, UID.XRayAngiographicImageStorage, UID.EnhancedXAImageStorage, UID.XRayRadiofluoroscopicImageStorage, UID.EnhancedXRFImageStorage, UID.XRayAngiographicBiPlaneImageStorageRetired, UID.PositronEmissionTomographyImageStorage, UID.StandalonePETCurveStorageRetired, UID.CTImageStorage, UID.EnhancedCTImageStorage, UID.NuclearMedicineImageStorage, UID.UltrasoundMultiframeImageStorageRetired, UID.UltrasoundMultiframeImageStorage, UID.MRImageStorage, UID.EnhancedMRImageStorage, UID.MRSpectroscopyStorage, UID.RTImageStorage, UID.RTDoseStorage, UID.RTStructureSetStorage, UID.RTBeamsTreatmentRecordStorage, UID.RTPlanStorage, UID.RTBrachyTreatmentRecordStorage, UID.RTTreatmentSummaryRecordStorage, UID.NuclearMedicineImageStorageRetired, UID.UltrasoundImageStorageRetired, UID.UltrasoundImageStorage, UID.RawDataStorage, UID.SpatialRegistrationStorage, UID.SpatialFiducialsStorage, UID.RealWorldValueMappingStorage, UID.SecondaryCaptureImageStorage, UID.MultiframeSingleBitSecondaryCaptureImageStorage, UID.MultiframeGrayscaleByteSecondaryCaptureImageStorage, UID.MultiframeGrayscaleWordSecondaryCaptureImageStorage, UID.MultiframeTrueColorSecondaryCaptureImageStorage, UID.VLImageStorageTrialRetired, UID.VLEndoscopicImageStorage, UID.VideoEndoscopicImageStorage, UID.VLMicroscopicImageStorage, UID.VideoMicroscopicImageStorage, UID.VLSlideCoordinatesMicroscopicImageStorage, UID.VLPhotographicImageStorage, UID.VideoPhotographicImageStorage, UID.OphthalmicPhotography8BitImageStorage, UID.OphthalmicPhotography16BitImageStorage, UID.StereometricRelationshipStorage, UID.VLMultiframeImageStorageTrialRetired, UID.StandaloneOverlayStorageRetired, UID.BasicTextSRStorage, UID.EnhancedSRStorage, UID.ComprehensiveSRStorage, UID.ProcedureLogStorage, UID.MammographyCADSRStorage, UID.KeyObjectSelectionDocumentStorage, UID.ChestCADSRStorage, UID.XRayRadiationDoseSRStorage, UID.StandaloneCurveStorageRetired, UID._12leadECGWaveformStorage, UID.GeneralECGWaveformStorage, UID.AmbulatoryECGWaveformStorage, UID.HemodynamicWaveformStorage, UID.CardiacElectrophysiologyWaveformStorage, UID.BasicVoiceAudioWaveformStorage, UID.HangingProtocolStorage, UID.SiemensCSANonImageStorage }; private Executor executor = new NewThreadExecutor("DCMRCV"); private Device device = new Device("DCMRCV"); private NetworkApplicationEntity ae = new NetworkApplicationEntity(); private NetworkConnection nc = new NetworkConnection(); private String[] tsuids = NON_RETIRED_LE_TS; private File destination; private boolean devnull; private int fileBufferSize = 256; private int rspdelay = 0; private String keyStoreURL = "resource:tls/test_sys_2.p12"; private char[] keyStorePassword = SECRET; private char[] keyPassword; private String trustStoreURL = "resource:tls/mesa_certs.jks"; private char[] trustStorePassword = SECRET; public DcmRcv() { super(CUIDS); device.setNetworkApplicationEntity(ae); device.setNetworkConnection(nc); ae.setNetworkConnection(nc); ae.setAssociationAcceptor(true); ae.register(new VerificationService()); ae.register(this); } public final void setAEtitle(String aet) { ae.setAETitle(aet); } public final void setHostname(String hostname) { nc.setHostname(hostname); } public final void setPort(int port) { nc.setPort(port); } public final void setTlsWithoutEncyrption() { nc.setTlsWithoutEncyrption(); } public final void setTls3DES_EDE_CBC() { nc.setTls3DES_EDE_CBC(); } public final void setTlsAES_128_CBC() { nc.setTlsAES_128_CBC(); } public final void disableSSLv2Hello() { nc.disableSSLv2Hello(); } public final void setTlsNeedClientAuth(boolean needClientAuth) { nc.setTlsNeedClientAuth(needClientAuth); } public final void setKeyStoreURL(String url) { keyStoreURL = url; } public final void setKeyStorePassword(String pw) { keyStorePassword = pw.toCharArray(); } public final void setKeyPassword(String pw) { keyPassword = pw.toCharArray(); } public final void setTrustStorePassword(String pw) { trustStorePassword = pw.toCharArray(); } public final void setTrustStoreURL(String url) { trustStoreURL = url; } public final void setPackPDV(boolean packPDV) { ae.setPackPDV(packPDV); } public final void setAssociationReaperPeriod(int period) { device.setAssociationReaperPeriod(period); } public final void setTcpNoDelay(boolean tcpNoDelay) { nc.setTcpNoDelay(tcpNoDelay); } public final void setRequestTimeout(int timeout) { nc.setRequestTimeout(timeout); } public final void setReleaseTimeout(int timeout) { nc.setReleaseTimeout(timeout); } public final void setSocketCloseDelay(int delay) { nc.setSocketCloseDelay(delay); } public final void setIdleTimeout(int timeout) { ae.setIdleTimeout(timeout); } public final void setDimseRspTimeout(int timeout) { ae.setDimseRspTimeout(timeout); } public final void setMaxPDULengthSend(int maxLength) { ae.setMaxPDULengthSend(maxLength); } public void setMaxPDULengthReceive(int maxLength) { ae.setMaxPDULengthReceive(maxLength); } public final void setReceiveBufferSize(int bufferSize) { nc.setReceiveBufferSize(bufferSize); } public final void setSendBufferSize(int bufferSize) { nc.setSendBufferSize(bufferSize); } public void setDimseRspDelay(int delay) { rspdelay = delay; } private static CommandLine parse(String[] args) { Options opts = new Options(); OptionBuilder.withArgName("NULL|3DES|AES"); OptionBuilder.hasArg(); OptionBuilder.withDescription("enable TLS connection without, 3DES or AES encryption"); opts.addOption(OptionBuilder.create("tls")); opts.addOption("nossl2", false, "disable acceptance of SSLv2Hello TLS handshake"); opts.addOption("noclientauth", false, "disable client authentification for TLS"); OptionBuilder.withArgName("file|url"); OptionBuilder.hasArg(); OptionBuilder .withDescription("file path or URL of P12 or JKS keystore, resource:tls/test_sys_2.p12 by default"); opts.addOption(OptionBuilder.create("keystore")); OptionBuilder.withArgName("password"); OptionBuilder.hasArg(); OptionBuilder.withDescription("password for keystore file, 'secret' by default"); opts.addOption(OptionBuilder.create("keystorepw")); OptionBuilder.withArgName("password"); OptionBuilder.hasArg(); OptionBuilder .withDescription("password for accessing the key in the keystore, keystore password by default"); opts.addOption(OptionBuilder.create("keypw")); OptionBuilder.withArgName("file|url"); OptionBuilder.hasArg(); OptionBuilder.withDescription("file path or URL of JKS truststore, resource:tls/mesa_certs.jks by default"); opts.addOption(OptionBuilder.create("truststore")); OptionBuilder.withArgName("password"); OptionBuilder.hasArg(); OptionBuilder.withDescription("password for truststore file, 'secret' by default"); opts.addOption(OptionBuilder.create("truststorepw")); OptionBuilder.withArgName("dir"); OptionBuilder.hasArg(); OptionBuilder.withDescription("store received objects into files in specified directory <dir>." + " Do not store received objects by default."); opts.addOption(OptionBuilder.create("dest")); opts.addOption("defts", false, "accept only default transfer syntax."); opts.addOption("bigendian", false, "accept also Explict VR Big Endian transfer syntax."); opts.addOption("native", false, "accept only transfer syntax with uncompressed pixel data."); OptionBuilder.withArgName("maxops"); OptionBuilder.hasArg(); OptionBuilder.withDescription( "maximum number of outstanding operations performed " + "asynchronously, unlimited by default."); opts.addOption(OptionBuilder.create("async")); opts.addOption("pdv1", false, "send only one PDV in one P-Data-TF PDU, " + "pack command and data PDV in one P-DATA-TF PDU by default."); opts.addOption("tcpdelay", false, "set TCP_NODELAY socket option to false, true by default"); OptionBuilder.withArgName("ms"); OptionBuilder.hasArg(); OptionBuilder.withDescription("delay in ms for Socket close after sending A-ABORT, 50ms by default"); opts.addOption(OptionBuilder.create("soclosedelay")); OptionBuilder.withArgName("ms"); OptionBuilder.hasArg(); OptionBuilder.withDescription("delay in ms for DIMSE-RSP; useful for testing asynchronous mode"); opts.addOption(OptionBuilder.create("rspdelay")); OptionBuilder.withArgName("ms"); OptionBuilder.hasArg(); OptionBuilder.withDescription("timeout in ms for receiving -ASSOCIATE-RQ, 5s by default"); opts.addOption(OptionBuilder.create("requestTO")); OptionBuilder.withArgName("ms"); OptionBuilder.hasArg(); OptionBuilder.withDescription("timeout in ms for receiving A-RELEASE-RP, 5s by default"); opts.addOption(OptionBuilder.create("releaseTO")); OptionBuilder.withArgName("ms"); OptionBuilder.hasArg(); OptionBuilder.withDescription("period in ms to check for outstanding DIMSE-RSP, 10s by default"); opts.addOption(OptionBuilder.create("reaper")); OptionBuilder.withArgName("ms"); OptionBuilder.hasArg(); OptionBuilder.withDescription("timeout in ms for receiving DIMSE-RQ, 60s by default"); opts.addOption(OptionBuilder.create("idleTO")); OptionBuilder.withArgName("KB"); OptionBuilder.hasArg(); OptionBuilder.withDescription("maximal length in KB of received P-DATA-TF PDUs, 16KB by default"); opts.addOption(OptionBuilder.create("rcvpdulen")); OptionBuilder.withArgName("KB"); OptionBuilder.hasArg(); OptionBuilder.withDescription("maximal length in KB of sent P-DATA-TF PDUs, 16KB by default"); opts.addOption(OptionBuilder.create("sndpdulen")); OptionBuilder.withArgName("KB"); OptionBuilder.hasArg(); OptionBuilder.withDescription("set SO_RCVBUF socket option to specified value in KB"); opts.addOption(OptionBuilder.create("sorcvbuf")); OptionBuilder.withArgName("KB"); OptionBuilder.hasArg(); OptionBuilder.withDescription("set SO_SNDBUF socket option to specified value in KB"); opts.addOption(OptionBuilder.create("sosndbuf")); OptionBuilder.withArgName("KB"); OptionBuilder.hasArg(); OptionBuilder.withDescription("minimal buffer size to write received object to file, 1KB by default"); opts.addOption(OptionBuilder.create("bufsize")); opts.addOption("h", "help", false, "print this message"); opts.addOption("V", "version", false, "print the version information and exit"); CommandLine cl = null; try { cl = new GnuParser().parse(opts, args); } catch (ParseException e) { exit("dcmrcv: " + e.getMessage()); throw new RuntimeException("unreachable"); } if (cl.hasOption("V")) { Package p = DcmRcv.class.getPackage(); System.out.println("dcmrcv v" + p.getImplementationVersion()); System.exit(0); } if (cl.hasOption("h") || cl.getArgList().size() == 0) { HelpFormatter formatter = new HelpFormatter(); formatter.printHelp(USAGE, DESCRIPTION, opts, EXAMPLE); System.exit(0); } return cl; } @SuppressWarnings("unchecked") public static void main(String[] args) { CommandLine cl = parse(args); DcmRcv dcmrcv = new DcmRcv(); final List argList = cl.getArgList(); String port = (String) argList.get(0); String[] aetPort = split(port, ':', 1); dcmrcv.setPort(parseInt(aetPort[1], "illegal port number", 1, 0xffff)); if (aetPort[0] != null) { String[] aetHost = split(aetPort[0], '@', 0); dcmrcv.setAEtitle(aetHost[0]); if (aetHost[1] != null) { dcmrcv.setHostname(aetHost[1]); } } if (cl.hasOption("dest")) dcmrcv.setDestination(cl.getOptionValue("dest")); if (cl.hasOption("defts")) dcmrcv.setTransferSyntax(ONLY_DEF_TS); else if (cl.hasOption("native")) dcmrcv.setTransferSyntax(cl.hasOption("bigendian") ? NATIVE_TS : NATIVE_LE_TS); else if (cl.hasOption("bigendian")) dcmrcv.setTransferSyntax(NON_RETIRED_TS); if (cl.hasOption("reaper")) dcmrcv.setAssociationReaperPeriod(parseInt(cl.getOptionValue("reaper"), "illegal argument of option -reaper", 1, Integer.MAX_VALUE)); if (cl.hasOption("idleTO")) dcmrcv.setIdleTimeout(parseInt(cl.getOptionValue("idleTO"), "illegal argument of option -idleTO", 1, Integer.MAX_VALUE)); if (cl.hasOption("requestTO")) dcmrcv.setRequestTimeout(parseInt(cl.getOptionValue("requestTO"), "illegal argument of option -requestTO", 1, Integer.MAX_VALUE)); if (cl.hasOption("releaseTO")) dcmrcv.setReleaseTimeout(parseInt(cl.getOptionValue("releaseTO"), "illegal argument of option -releaseTO", 1, Integer.MAX_VALUE)); if (cl.hasOption("soclosedelay")) dcmrcv.setSocketCloseDelay(parseInt(cl.getOptionValue("soclosedelay"), "illegal argument of option -soclosedelay", 1, 10000)); if (cl.hasOption("rspdelay")) dcmrcv.setDimseRspDelay( parseInt(cl.getOptionValue("rspdelay"), "illegal argument of option -rspdelay", 0, 10000)); if (cl.hasOption("rcvpdulen")) dcmrcv.setMaxPDULengthReceive( parseInt(cl.getOptionValue("rcvpdulen"), "illegal argument of option -rcvpdulen", 1, 10000) * KB); if (cl.hasOption("sndpdulen")) dcmrcv.setMaxPDULengthSend( parseInt(cl.getOptionValue("sndpdulen"), "illegal argument of option -sndpdulen", 1, 10000) * KB); if (cl.hasOption("sosndbuf")) dcmrcv.setSendBufferSize( parseInt(cl.getOptionValue("sosndbuf"), "illegal argument of option -sosndbuf", 1, 10000) * KB); if (cl.hasOption("sorcvbuf")) dcmrcv.setReceiveBufferSize( parseInt(cl.getOptionValue("sorcvbuf"), "illegal argument of option -sorcvbuf", 1, 10000) * KB); if (cl.hasOption("bufsize")) dcmrcv.setFileBufferSize( parseInt(cl.getOptionValue("bufsize"), "illegal argument of option -bufsize", 1, 10000) * KB); dcmrcv.setPackPDV(!cl.hasOption("pdv1")); dcmrcv.setTcpNoDelay(!cl.hasOption("tcpdelay")); if (cl.hasOption("async")) dcmrcv.setMaxOpsPerformed( parseInt(cl.getOptionValue("async"), "illegal argument of option -async", 0, 0xffff)); dcmrcv.initTransferCapability(); if (cl.hasOption("tls")) { String cipher = cl.getOptionValue("tls"); if ("NULL".equalsIgnoreCase(cipher)) { dcmrcv.setTlsWithoutEncyrption(); } else if ("3DES".equalsIgnoreCase(cipher)) { dcmrcv.setTls3DES_EDE_CBC(); } else if ("AES".equalsIgnoreCase(cipher)) { dcmrcv.setTlsAES_128_CBC(); } else { exit("Invalid parameter for option -tls: " + cipher); } if (cl.hasOption("nossl2")) { dcmrcv.disableSSLv2Hello(); } dcmrcv.setTlsNeedClientAuth(!cl.hasOption("noclientauth")); if (cl.hasOption("keystore")) { dcmrcv.setKeyStoreURL(cl.getOptionValue("keystore")); } if (cl.hasOption("keystorepw")) { dcmrcv.setKeyStorePassword(cl.getOptionValue("keystorepw")); } if (cl.hasOption("keypw")) { dcmrcv.setKeyPassword(cl.getOptionValue("keypw")); } if (cl.hasOption("truststore")) { dcmrcv.setTrustStoreURL(cl.getOptionValue("truststore")); } if (cl.hasOption("truststorepw")) { dcmrcv.setTrustStorePassword(cl.getOptionValue("truststorepw")); } try { dcmrcv.initTLS(); } catch (Exception e) { System.err.println("ERROR: Failed to initialize TLS context:" + e.getMessage()); System.exit(2); } } try { dcmrcv.start(); } catch (IOException e) { e.printStackTrace(); } } public void setTransferSyntax(String[] tsuids) { this.tsuids = tsuids; } public void initTransferCapability() { TransferCapability[] tc = new TransferCapability[CUIDS.length + 1]; tc[0] = new TransferCapability(UID.VerificationSOPClass, ONLY_DEF_TS, TransferCapability.SCP); for (int i = 0; i < CUIDS.length; i++) tc[i + 1] = new TransferCapability(CUIDS[i], tsuids, TransferCapability.SCP); ae.setTransferCapability(tc); } public void setFileBufferSize(int size) { fileBufferSize = size; } public void setMaxOpsPerformed(int maxOps) { ae.setMaxOpsPerformed(maxOps); } public void setDestination(String filePath) { this.destination = new File(filePath); this.devnull = "/dev/null".equals(filePath); if (!devnull) destination.mkdir(); } public void initTLS() throws GeneralSecurityException, IOException { KeyStore keyStore = loadKeyStore(keyStoreURL, keyStorePassword); KeyStore trustStore = loadKeyStore(trustStoreURL, trustStorePassword); device.initTLS(keyStore, keyPassword != null ? keyPassword : keyStorePassword, trustStore); } private static KeyStore loadKeyStore(String url, char[] password) throws GeneralSecurityException, IOException { KeyStore key = KeyStore.getInstance(toKeyStoreType(url)); InputStream in = openFileOrURL(url); try { key.load(in, password); } finally { in.close(); } return key; } private static InputStream openFileOrURL(String url) throws IOException { if (url.startsWith("resource:")) { return DcmRcv.class.getClassLoader().getResourceAsStream(url.substring(9)); } try { return new URL(url).openStream(); } catch (MalformedURLException e) { return new FileInputStream(url); } } private static String toKeyStoreType(String fname) { return fname.endsWith(".p12") || fname.endsWith(".P12") ? "PKCS12" : "JKS"; } public void start() throws IOException { device.startListening(executor); System.out.println("Start Server listening on port " + nc.getPort()); } public void stop() { if (device != null) device.stopListening(); if (nc != null) System.out.println("Stop Server listening on port " + nc.getPort()); else System.out.println("Stop Server"); } private static String[] split(String s, char delim, int defPos) { String[] s2 = new String[2]; s2[defPos] = s; int pos = s.indexOf(delim); if (pos != -1) { s2[0] = s.substring(0, pos); s2[1] = s.substring(pos + 1); } return s2; } private static void exit(String msg) { System.err.println(msg); System.err.println("Try 'dcmrcv -h' for more information."); System.exit(1); } private static int parseInt(String s, String errPrompt, int min, int max) { try { int i = Integer.parseInt(s); if (i >= min && i <= max) return i; } catch (NumberFormatException e) { // parameter is not a valid integer; fall through to exit } exit(errPrompt); throw new RuntimeException(); } /** Overwrite {@link StorageService#cstore} to send delayed C-STORE RSP * by separate Thread, so reading of following received C-STORE RQs from * the open association is not blocked. */ @Override public void cstore(final Association as, final int pcid, DicomObject rq, PDVInputStream dataStream, String tsuid) throws DicomServiceException, IOException { final DicomObject rsp = CommandUtils.mkRSP(rq, CommandUtils.SUCCESS); onCStoreRQ(as, pcid, rq, dataStream, tsuid, rsp); if (rspdelay > 0) { executor.execute(new Runnable() { public void run() { try { Thread.sleep(rspdelay); as.writeDimseRSP(pcid, rsp); } catch (Exception e) { e.printStackTrace(); } } }); } else { as.writeDimseRSP(pcid, rsp); } onCStoreRSP(as, pcid, rq, dataStream, tsuid, rsp); } @Override protected void onCStoreRQ(Association as, int pcid, DicomObject rq, PDVInputStream dataStream, String tsuid, DicomObject rsp) throws IOException, DicomServiceException { if (destination == null) { super.onCStoreRQ(as, pcid, rq, dataStream, tsuid, rsp); } else { BufferedOutputStream bos = null; DicomOutputStream dos = null; String iuid = null; File file = null; try { String cuid = rq.getString(Tag.AffectedSOPClassUID); iuid = rq.getString(Tag.AffectedSOPInstanceUID); BasicDicomObject fmi = new BasicDicomObject(); fmi.initFileMetaInformation(cuid, iuid, tsuid); file = devnull ? destination : new File(destination, iuid + ".part"); bos = new BufferedOutputStream(new FileOutputStream(file), fileBufferSize); dos = new DicomOutputStream(bos); dos.writeFileMetaInformation(fmi); dataStream.copyTo(dos); } catch (IOException e) { throw new DicomServiceException(rq, Status.ProcessingFailure, e.getMessage()); } finally { CloseUtils.safeClose(dos); } // Rename the file after it has been written. See DCM-279 if (!devnull && file != null && file.exists()) { File rename = new File(destination, iuid); file.renameTo(rename); } } } }