MapToSchemaElement.java

/**
 * Copyright (c) Codice Foundation
 * <p>
 * This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 * <p>
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details. A copy of the GNU Lesser General Public License
 * is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package org.codice.ddf.registry.schemabindings.helper;

import static org.codice.ddf.registry.schemabindings.EbrimConstants.RIM_FACTORY;

import java.util.Map;
import java.util.Optional;
import java.util.function.BiConsumer;
import java.util.function.Supplier;

import org.apache.commons.collections.MapUtils;
import org.apache.commons.lang.StringUtils;

import oasis.names.tc.ebxml_regrep.xsd.rim._3.InternationalStringType;
import oasis.names.tc.ebxml_regrep.xsd.rim._3.VersionInfoType;

public class MapToSchemaElement<T> {
    private final Supplier<T> objectFactory;

    public static final InternationalStringTypeHelper INTERNATIONAL_STRING_TYPE_HELPER =
            new InternationalStringTypeHelper();

    public MapToSchemaElement(Supplier<T> objectFactory) {
        this.objectFactory = objectFactory;
    }

    public Optional<T> populateBooleanElement(Map<String, Object> map, String mapKey,
            final Optional<T> referenceElement, BiConsumer<Boolean, T> updater) {
        Optional<T> elementToPopulate = Optional.empty();
        if (referenceElement.isPresent()) {
            elementToPopulate = Optional.of(referenceElement.get());
        }

        Boolean booleanToPopulate = MapUtils.getBoolean(map, mapKey);
        if (booleanToPopulate != null) {
            if (!elementToPopulate.isPresent()) {
                elementToPopulate = Optional.of(objectFactory.get());
            }

            updater.accept(booleanToPopulate, elementToPopulate.get());
        }

        return elementToPopulate;
    }

    public Optional<T> populateStringElement(Map<String, Object> map, String mapKey,
            final Optional<T> referenceElement, BiConsumer<String, T> updater) {
        Optional<T> elementToPopulate = Optional.empty();
        if (referenceElement.isPresent()) {
            elementToPopulate = Optional.of(referenceElement.get());
        }

        String valueToPopulate = MapUtils.getString(map, mapKey);
        if (StringUtils.isNotBlank(valueToPopulate)) {
            if (!elementToPopulate.isPresent()) {
                elementToPopulate = Optional.of(objectFactory.get());
            }

            updater.accept(valueToPopulate, elementToPopulate.get());
        }
        return elementToPopulate;
    }

    public Optional<T> populateInternationalStringTypeElement(Map<String, Object> map,
            String mapKey, final Optional<T> referenceElement,
            BiConsumer<InternationalStringType, T> updater) {
        Optional<T> elementToPopulate = Optional.empty();
        if (referenceElement.isPresent()) {
            elementToPopulate = Optional.of(referenceElement.get());
        }

        String valueToPopulate = MapUtils.getString(map, mapKey);
        if (StringUtils.isNotBlank(valueToPopulate)) {
            if (!elementToPopulate.isPresent()) {
                elementToPopulate = Optional.of(objectFactory.get());
            }

            InternationalStringType istToPopulate = INTERNATIONAL_STRING_TYPE_HELPER.create(
                    valueToPopulate);
            if (istToPopulate != null) {
                updater.accept(istToPopulate, elementToPopulate.get());
            }

        }
        return elementToPopulate;
    }

    public Optional<T> populateVersionInfoTypeElement(Map<String, Object> map, String mapKey,
            final Optional<T> referenceElement, BiConsumer<VersionInfoType, T> updater) {
        Optional<T> elementToPopulate = Optional.empty();
        if (referenceElement.isPresent()) {
            elementToPopulate = Optional.of(referenceElement.get());
        }

        String valueToPopulate = MapUtils.getString(map, mapKey);
        if (StringUtils.isNotBlank(valueToPopulate)) {
            if (!elementToPopulate.isPresent()) {
                elementToPopulate = Optional.of(objectFactory.get());
            }

            VersionInfoType versionInfo = RIM_FACTORY.createVersionInfoType();
            versionInfo.setVersionName(valueToPopulate);

            updater.accept(versionInfo, elementToPopulate.get());

        }
        return elementToPopulate;
    }

    public Supplier<T> getObjectFactory() {
        return objectFactory;
    }
}