ConfigurationIntegrityCheck.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) 2015
 *  the Initial Developer. All Rights Reserved.
 *
 *  Contributor(s):
 *  See @authors listed below
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 *  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
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package org.dcm4chee.conf.storage;

import org.dcm4che3.conf.core.api.Configuration;
import org.dcm4che3.conf.core.api.ConfigurationException;
import org.dcm4che3.conf.core.api.DuplicateUUIDException;
import org.dcm4che3.conf.core.index.ReferenceIndexingDecorator;
import org.dcm4che3.conf.core.normalization.DefaultsAndNullFilterDecorator;
import org.dcm4che3.conf.core.storage.InMemoryReadOnlyConfiguration;
import org.dcm4che3.conf.dicom.CommonDicomConfiguration;
import org.dcm4che3.conf.dicom.CommonDicomConfigurationWithHL7;
import org.dcm4che3.conf.dicom.DicomPath;
import org.dcm4chee.conf.ConfigurableExtensionsResolver;
import org.dcm4chee.conf.DicomConfigManagerProducer;

import javax.inject.Inject;
import java.util.*;

/**
 * @author Roman K
 */
public class ConfigurationIntegrityCheck {

    private static final String DISABLE_INTEGRITY_CHECK_PROPERTY = "org.dcm4che.conf.disableIntegrityCheck";

    // temporarily, to re-use extension resolvers
    @Inject
    DicomConfigManagerProducer dicomConfigManagerProducer;

    @Inject
    ConfigurableExtensionsResolver extensionsResolver;

    public void performCheck(Map<String, Object> configurationRoot) throws ConfigurationException {

        // check if the check is not disabled
        if (System.getProperty(DISABLE_INTEGRITY_CHECK_PROPERTY) != null)
            return;


        Configuration storage = new InMemoryReadOnlyConfiguration(configurationRoot);

        // make sure AEs are unique
        Set<String> aes = new HashSet<>();
        storage.search(DicomPath.AllAETitles.path()).forEachRemaining((ae) -> {

            if (!(ae instanceof String))
                throw new IllegalArgumentException("AE titles must be string");

            if (!aes.add((String) ae)) {
                throw new ConfigurationException("Found duplicate AE title: " + ae);
            }
        });

        // temporarily just 'materialize' full config
        // TODO later will be replaced with proper referential consistency analysis
        // TODO: maybe we should re-use existing infinispan index not to stress the heap too much
        storage = new IndexingDecoratorWithInit(storage, configurationRoot);
        storage = new DefaultsAndNullFilterDecorator(storage, extensionsResolver.resolveExtensionsList(), CommonDicomConfiguration.createDefaultDicomVitalizer());

        CommonDicomConfigurationWithHL7 dicomConfiguration = new CommonDicomConfigurationWithHL7(
                storage,
                extensionsResolver.resolveExtensionsMap(false)
        );

        for (String deviceName : dicomConfiguration.listDeviceNames())
            dicomConfiguration.findDevice(deviceName);

    }

    private static class IndexingDecoratorWithInit extends ReferenceIndexingDecorator {
        public IndexingDecoratorWithInit(Configuration storage, Map<String, Object> configurationRootToIndex) {
            super(storage, new HashMap<>());
            List<DuplicateUUIDException> duplicateUUIDExceptions = addReferablesToIndex(new ArrayList<>(), configurationRootToIndex);

            if (!duplicateUUIDExceptions.isEmpty())
                throw duplicateUUIDExceptions.get(0);
        }

    }
}