/*********************************************************************************
 *                                                                               *
 * The MIT License (MIT)                                                         *
 *                                                                               *
 * Copyright (c) 2015-2022 aoju.org and other contributors.                      *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy  *
 * of this software and associated documentation files (the "Software"), to deal *
 * in the Software without restriction, including without limitation the rights  *
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 * all copies or substantial portions of the Software.                           *
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 * THE SOFTWARE.                                                                 *
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package org.aoju.bus.image.galaxy.io;

import org.aoju.bus.image.galaxy.data.Attributes;
import org.xml.sax.SAXException;

import javax.xml.transform.*;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.sax.TransformerHandler;

/**
 * @author Kimi Liu
 * @since Java 17+
 */
public abstract class SAXTransformer {

    private static final SAXTransformerFactory factory =
            (SAXTransformerFactory) TransformerFactory.newInstance();

    public static SAXWriter getSAXWriter(Templates templates, Attributes result)
            throws TransformerConfigurationException {
        return getSAXWriter(templates, result, null);
    }

    public static SAXWriter getSAXWriter(Templates templates, Attributes result,
                                         SetupTransformer setup)
            throws TransformerConfigurationException {
        return getSAXWriter(templates,
                new SAXResult(new ContentHandlerAdapter(result)),
                setup);
    }

    public static SAXWriter getSAXWriter(Templates templates, Result result)
            throws TransformerConfigurationException {
        return getSAXWriter(templates, result, null);
    }

    public static SAXWriter getSAXWriter(Templates templates, Result result,
                                         SetupTransformer setup)
            throws TransformerConfigurationException {
        return getSAXWriter(factory.newTransformerHandler(templates),
                result,
                setup);
    }

    public static SAXWriter getSAXWriter(Result result)
            throws TransformerConfigurationException {
        return getSAXWriter(result, null);
    }

    public static SAXWriter getSAXWriter(Result result, SetupTransformer setup)
            throws TransformerConfigurationException {
        return getSAXWriter(factory.newTransformerHandler(), result, setup);
    }

    private static SAXWriter getSAXWriter(TransformerHandler th, Result result,
                                          SetupTransformer setup) {
        th.setResult(result);
        if (null != setup)
            setup.setup(th.getTransformer());
        return new SAXWriter(th);
    }

    public static Attributes transform(Attributes ds, Templates templates,
                                       boolean includeNameSpaceDeclaration, boolean includeKeword)
            throws SAXException, TransformerConfigurationException {
        return transform(ds, templates,
                includeNameSpaceDeclaration, includeKeword, null);
    }

    public static Attributes transform(Attributes ds, Templates templates,
                                       boolean includeNameSpaceDeclaration, boolean includeKeword,
                                       SetupTransformer setup)
            throws SAXException, TransformerConfigurationException {
        Attributes modify = new Attributes();
        SAXWriter w = SAXTransformer.getSAXWriter(
                templates, modify, setup);
        w.setIncludeNamespaceDeclaration(includeNameSpaceDeclaration);
        w.setIncludeKeyword(includeKeword);
        w.write(ds);
        return modify;
    }

    public static Templates newTemplates(Source source)
            throws TransformerConfigurationException {
        return factory.newTemplates(source);
    }

    public interface SetupTransformer {
        void setup(Transformer transformer);
    }

}
