package com.matt.xml.sax;

import lombok.extern.slf4j.Slf4j;
import org.junit.Test;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Result;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.sax.TransformerHandler;
import javax.xml.transform.stream.StreamResult;
import java.io.StringWriter;

@Slf4j
public class SaxXml {

    @Test
    public void test01() {

        StringWriter writer = new StringWriter();
        Result resultStr = new StreamResult(writer);
        SAXTransformerFactory saxTransformerFactory = (SAXTransformerFactory) SAXTransformerFactory.newInstance();
        try {
            TransformerHandler handler = saxTransformerFactory.newTransformerHandler();
            Transformer tr = handler.getTransformer();
            tr.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
            tr.setOutputProperty(OutputKeys.INDENT, "yes");
            handler.setResult(resultStr);
            handler.startDocument();
            AttributesImpl attr = new AttributesImpl();
            handler.startElement("", "", "bookstore", attr);
            attr.clear();

            attr.addAttribute("http:\\localhost:8090:rem\\233", "test", "id", "", "2233");
            handler.startElement("", "", "book", attr);

            attr.clear();
            handler.startElement("http:\\\\localhost:8090:rem\\233", "test", "name", attr);
            String bookName = "羊皮卷";
            handler.characters(bookName.toCharArray(), 0, bookName.length());
            handler.endElement("http:\\\\localhost:8090:rem\\233", "test", "name");

            attr.clear();
            String bookYear = "1986";
            handler.startElement("", "", "year", attr);
            handler.characters(bookYear.toCharArray(), 0, bookYear.length());
            handler.endElement("", "", "year");

            handler.endElement("", "", "book");
            handler.endElement("", "", "bookstore");

            handler.endDocument();

            log.info("{}", resultStr);

            log.info("{}", writer.toString());

        } catch (TransformerConfigurationException e) {
            e.printStackTrace();
        } catch (SAXException e) {

        }

    }
}