BasicMPPSSCP.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
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 *
 * 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.dcm4che3.net.service;

import java.io.IOException;

import org.dcm4che3.data.UID;
import org.dcm4che3.data.Attributes;
import org.dcm4che3.net.Association;
import org.dcm4che3.net.Commands;
import org.dcm4che3.net.Dimse;
import org.dcm4che3.net.Status;
import org.dcm4che3.net.pdu.PresentationContext;

/**
 * @author Gunter Zeilinger <gunterze@gmail.com>
 *
 */
public class BasicMPPSSCP extends AbstractDicomService {

    public BasicMPPSSCP() {
        super(UID.ModalityPerformedProcedureStepSOPClass);
    }

    @Override
    public void onDimseRQ(Association as, PresentationContext pc, Dimse dimse,
            Attributes rq, Attributes rqAttrs) throws IOException {
        switch (dimse) {
        case N_CREATE_RQ:
            onNCreateRQ(as, pc, rq, rqAttrs);
            break;
        case N_SET_RQ:
            onNSetRQ(as, pc, rq, rqAttrs);
            break;
        default:
            throw new DicomServiceException(Status.UnrecognizedOperation);
        }
    }

    protected void onNCreateRQ(Association as, PresentationContext pc,
            Attributes rq, Attributes rqAttrs) throws IOException {
        Attributes rsp = Commands.mkNCreateRSP(rq, Status.Success);
        Attributes rspAttrs = create(as, rq, rqAttrs, rsp);
        as.tryWriteDimseRSP(pc, rsp, rspAttrs);
    }

    protected Attributes create(Association as, Attributes rq,
            Attributes rqAttrs, Attributes rsp) throws DicomServiceException {
        return null;
    }

    protected void onNSetRQ(Association as, PresentationContext pc,
            Attributes rq, Attributes rqAttrs) throws IOException {
        Attributes rsp = Commands.mkNSetRSP(rq, Status.Success);
        Attributes rspAttrs = set(as, rq, rqAttrs, rsp);
        as.tryWriteDimseRSP(pc, rsp, rspAttrs);
    }

    protected Attributes set(Association as, Attributes rq, Attributes rqAttrs,
            Attributes rsp) throws DicomServiceException {
        return null;
    }

    public static void mayNoLongerBeUpdated() throws DicomServiceException {
        throw new DicomServiceException(Status.ProcessingFailure,
                "Performed Procedure Step Object may no longer be updated")
            .setErrorID(0xA710);
    }

}