StgCmt.java

/* ***** 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 https://github.com/gunterze/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Agfa Healthcare.
 * Portions created by the Initial Developer are Copyright (C) 2012
 * the Initial Developer. All Rights Reserved.
 *
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 * See @authors listed below
 *
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package org.dcm4chee.archive.stgcmt.scp;

import java.io.IOException;

import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Event;
import javax.enterprise.inject.Typed;
import javax.inject.Inject;

import org.dcm4che3.conf.api.ConfigurationNotFoundException;
import org.dcm4che3.conf.api.IApplicationEntityCache;
import org.dcm4che3.data.Attributes;
import org.dcm4che3.data.Tag;
import org.dcm4che3.data.UID;
import org.dcm4che3.net.ApplicationEntity;
import org.dcm4che3.net.Association;
import org.dcm4che3.net.Commands;
import org.dcm4che3.net.Dimse;
import org.dcm4che3.net.IncompatibleConnectionException;
import org.dcm4che3.net.Status;
import org.dcm4che3.net.TransferCapability.Role;
import org.dcm4che3.net.pdu.PresentationContext;
import org.dcm4che3.net.service.AbstractDicomService;
import org.dcm4che3.net.service.DicomService;
import org.dcm4che3.net.service.DicomServiceException;
import org.dcm4chee.archive.conf.ArchiveAEExtension;

/**
 * @author Gunter Zeilinger <gunterze@gmail.com>
 * @author Umberto Cappellini <umberto.cappellini@agfa.com>
 */
@ApplicationScoped
@Typed(DicomService.class)
public class StgCmt extends AbstractDicomService {

    @Inject
    private StgCmtService stgCmtService;

    @Inject
    private IApplicationEntityCache aeCache;
    
    public StgCmt() {
        super(UID.StorageCommitmentPushModelSOPClass);
    }

    @Override
    public void onDimseRQ(Association as, PresentationContext pc, Dimse dimse,
            Attributes rq, Attributes actionInfo) throws IOException {

        if (dimse == Dimse.N_ACTION_RQ)
            processNActionRQ(as, pc, rq, actionInfo);

        if (dimse == Dimse.N_EVENT_REPORT_RQ)
            processNEventReportRQ(as, pc, rq, actionInfo);

        if (dimse != Dimse.N_ACTION_RQ && dimse != Dimse.N_EVENT_REPORT_RQ)
            throw new DicomServiceException(Status.UnrecognizedOperation);
    }

    private void processNActionRQ(Association as, PresentationContext pc,
            Attributes rq, Attributes actionInfo) throws IOException {
        int actionTypeID = rq.getInt(Tag.ActionTypeID, 0);
        if (actionTypeID != 1)
            throw new DicomServiceException(Status.NoSuchActionType)
                    .setActionTypeID(actionTypeID);

        Attributes rsp = Commands.mkNActionRSP(rq, Status.Success);
        String localAET = as.getLocalAET();
        String remoteAET = as.getRemoteAET();
        try {
            ApplicationEntity ae = as.getApplicationEntity();
            ApplicationEntity remoteAE = aeCache
                    .findApplicationEntity(remoteAET);
            ae.findCompatibelConnection(remoteAE);
            Attributes eventInfo = stgCmtService.calculateResult(actionInfo);
            ArchiveAEExtension aeExt = ae
                    .getAEExtension(ArchiveAEExtension.class);
            // coerce for outbound results
            stgCmtService.coerceAttributes(eventInfo, remoteAET, aeExt,
                    Role.SCU);
            // schedule sending results
            stgCmtService.scheduleNEventReport(localAET, remoteAET, eventInfo,
                    0,
                    aeExt != null ? aeExt.getStorageCommitmentDelay() * 1000L
                            : 0);
        } catch (IncompatibleConnectionException e) {
            throw new DicomServiceException(Status.ProcessingFailure,
                    "No compatible connection to " + remoteAET);
        } catch (ConfigurationNotFoundException e) {
            throw new DicomServiceException(Status.ProcessingFailure,
                    "Unknown Calling AET: " + remoteAET);
        } catch (Exception e) {
            throw new DicomServiceException(Status.ProcessingFailure, e);
        }
        as.tryWriteDimseRSP(pc, rsp, null);
    }

    private void processNEventReportRQ(Association as, PresentationContext pc,
            Attributes rq, Attributes actionInfo) throws DicomServiceException {
        
        Attributes rsp = Commands.mkNEventReportRSP(rq, Status.Success);        
        as.tryWriteDimseRSP(pc, rsp, null);
        stgCmtService.notify(new CommitEvent(as.getLocalAET(), as.getRemoteAET(), actionInfo));
    }

}