org.openmrs.module.metadatasharing.converter.ConceptMapConverter.java Source code

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Here is the source code for org.openmrs.module.metadatasharing.converter.ConceptMapConverter.java

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/**
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * 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.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */
package org.openmrs.module.metadatasharing.converter;

import org.apache.commons.lang.StringUtils;
import org.openmrs.ConceptMapType;
import org.openmrs.ConceptReferenceTerm;
import org.openmrs.api.context.Context;
import org.openmrs.module.metadatasharing.MetadataSharingConsts;
import org.openmrs.module.metadatasharing.util.Version;
import org.openmrs.serialization.SerializationException;
import org.springframework.stereotype.Component;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

/**
 * Converts ConcetpMap from pre-1.9 to post-1.9.
 */
@Component(MetadataSharingConsts.MODULE_ID + ".ConceptMapConverter")
public class ConceptMapConverter extends BaseConverter {

    /**
     * @see org.openmrs.module.metadatasharing.converter.BaseConverter#convert(org.w3c.dom.Document, org.openmrs.module.metadatasharing.util.Version, org.openmrs.module.metadatasharing.util.Version, org.openmrs.module.metadatasharing.converter.BaseConverter.ConverterContext)
     * @should replace source if the from version is pre one nine
     * @should replace nothing if the to version is post one nine
     */
    @Override
    public void convert(Document doc, Version fromVersion, Version toVersion, ConverterContext context)
            throws SerializationException {
        if (fromVersion.compareTo(new Version("1.9")) >= 0 || toVersion.compareTo(new Version("1.9")) < 0) {
            return;
        }

        Map<String, Element> mapTypeElements = new HashMap<String, Element>();

        NodeList maps = doc.getElementsByTagName("org.openmrs.ConceptMap");
        for (int i = 0; i < maps.getLength(); i++) {
            Node map = maps.item(i);

            Element commentElement = getChildElement(map, "comment");
            if (commentElement == null) {
                continue;
            }

            map.removeChild(commentElement);

            String mapTypeName = getMapTypeName(commentElement);

            if (mapTypeName == null) {
                continue;
            }

            Element mapTypeElement = mapTypeElements.get(mapTypeName);

            if (mapTypeElement == null) {
                ConceptMapType mapType = Context.getConceptService().getConceptMapTypeByName(mapTypeName);

                if (mapType == null) {
                    continue;
                }

                mapTypeElement = newElement(doc, "conceptMapType", mapType, context);
                mapTypeElements.put(mapTypeName, mapTypeElement);

                map.appendChild(mapTypeElement);
            } else {
                Element reference = doc.createElement("conceptMapTye");
                newReferenced(reference, mapTypeElement);
                map.appendChild(reference);
            }
        }

        Map<String, Element> referenceTermElements = new HashMap<String, Element>();

        for (int i = 0; i < maps.getLength(); i++) {
            Node map = maps.item(i);
            Element source = getChildElement(map, "source");
            map.removeChild(source);
            Element referencedSource = (Element) reference(source, context);

            Element sourceCode = getChildElement(map, "sourceCode");
            map.removeChild(sourceCode);

            //ConceptReferenceTerms are the same if source and sourceCode are the same
            String key = referencedSource.getAttribute("uuid") + sourceCode.getTextContent();

            Element referenceTermElement = referenceTermElements.get(key);

            if (referenceTermElement == null) {
                ConceptReferenceTerm referenceTerm = new ConceptReferenceTerm();
                String uuid = UUID.nameUUIDFromBytes(((Element) map).getAttribute("uuid").getBytes()).toString();
                referenceTerm.setUuid(uuid);
                referenceTerm.setCode(sourceCode.getTextContent());
                referenceTermElement = newElement(doc, "conceptReferenceTerm", referenceTerm, context);
                source = (Element) source.cloneNode(true);
                source = (Element) doc.renameNode(source, "", "conceptSource");
                referenceTermElement.appendChild(source);

                referenceTermElements.put(key, referenceTermElement);
                map.appendChild(referenceTermElement);
            } else {
                Element reference = doc.createElement("conceptReferenceTerm");
                newReferenced(reference, referenceTermElement);
                map.appendChild(reference);
            }
        }
    }

    private String getMapTypeName(Element commentElement) {
        if (commentElement == null) {
            return null;
        }

        String comment = commentElement.getTextContent();

        if (StringUtils.isBlank(comment)) {
            return null;
        }

        comment = comment.toUpperCase();

        if (!comment.startsWith("MAP TYPE:")) {
            return null;
        }

        comment = comment.substring(9).trim();

        if (comment.equals("SAME-AS FROM RXNORM")) {
            comment = "SAME-AS";
        }

        return comment;
    }

}