io.legaldocml.akn.element.ExprProperties Maven / Gradle / Ivy

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package io.legaldocml.akn.element;

import io.legaldocml.akn.util.AknList;
import io.legaldocml.akn.visitor.AknVisitor;
import io.legaldocml.io.XmlReader;
import io.legaldocml.io.XmlWriter;

import java.io.IOException;

import static io.legaldocml.akn.AknElements.FRBR_AUTHORITATIVE;
import static io.legaldocml.akn.AknElements.FRBR_LANGUAGE;
import static io.legaldocml.akn.AknElements.FRBR_MASTER_EXPRESSION;
import static io.legaldocml.akn.AknElements.FRBR_TRANSLATION;
import static io.legaldocml.akn.AknElements.FRBR_VERSION_NUMBER;

/**
 * The group exprProperties lists the properties that are characteristics of the FRBR Expression level.
 *
 *  *   
 * 	   
 * 	     
 *       
 *       
 *       
 *       
 * 	   
 *   
 * 
 *
 * @author Jacques Militello
 */
public abstract class ExprProperties extends CoreProperties {

    // Optional
    private FRBRversionNumber versionNumber;

    // Optional
    private FRBRauthoritative authoritative;

    // Optional
    private FRBRmasterExpression masterExpression;

    // Mandatory
    private final AknList languages = new AknList<>(new FRBRlanguage[2]);

    // Optional
    private AknList translations;

    public final void add(FRBRlanguage language) {
        this.languages.add(language);
    }

    public final AknList getLanguages() {
        return this.languages;
    }

    public final void add(FRBRtranslation translation) {
        if (this.translations == null) {
            this.translations = new AknList<>(new FRBRtranslation[4]);
        }
        this.translations.add(translation);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void write(XmlWriter writer) throws IOException {
        super.write(writer);
        if (this.versionNumber != null) {
            this.versionNumber.write(writer);
        }
        if (this.authoritative != null) {
            this.authoritative.write(writer);
        }
        if (this.masterExpression != null) {
            this.masterExpression.write(writer);
        }
        this.languages.write(writer);
        if (this.translations != null) {
            this.translations.write(writer);
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void read(XmlReader reader) {
        super.read(reader);

        if (reader.getQName().equalsLocalName(FRBR_VERSION_NUMBER)) {
            this.versionNumber = new FRBRversionNumber();
            this.versionNumber.read(reader);
            reader.nextStartOrEndElement();
        }

        if (reader.getQName().equalsLocalName(FRBR_AUTHORITATIVE)) {
            this.authoritative = new FRBRauthoritative();
            this.authoritative.read(reader);
            reader.nextStartOrEndElement();
        }

        if (reader.getQName().equalsLocalName(FRBR_MASTER_EXPRESSION)) {
            this.masterExpression = new FRBRmasterExpression();
            this.masterExpression.read(reader);
            reader.nextStartOrEndElement();
        }

        if (reader.getQName().equalsLocalName(FRBR_LANGUAGE)) {
            FRBRlanguage language;
            do {
                language = new FRBRlanguage();
                language.read(reader);
                this.languages.add(language);
                reader.nextStartOrEndElement();
            } while (reader.getQName().equalsLocalName(FRBR_LANGUAGE));
        }

        if (reader.getQName().equalsLocalName(FRBR_TRANSLATION)) {
            FRBRtranslation translation;
            this.translations = new AknList<>(new FRBRtranslation[4]);
            do {
                translation = new FRBRtranslation();
                translation.read(reader);
                this.translations.add(translation);
                reader.nextStartOrEndElement();
            } while (reader.getQName().equalsLocalName(FRBR_TRANSLATION));
        }

    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void accept(AknVisitor visitor) {
        super.accept(visitor);
        if (this.versionNumber != null) {
            this.versionNumber.accept(visitor);
        }
        if (this.authoritative != null) {
            this.authoritative.accept(visitor);
        }
        if (this.masterExpression != null) {
            this.masterExpression.accept(visitor);
        }
        this.languages.accept(visitor);
        if (this.translations != null) {
            this.translations.accept(visitor);
        }
    }

}