XmlHandler.java

package main;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

public class XmlHandler extends DefaultHandler {

    private String tocParent;
    private Content content;

    private boolean inNavMap = false;
    private boolean inNavPoint = false;
    private boolean inNavLabel = false;
    private boolean inText = false;

    @Override
    public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
        if (qName.equalsIgnoreCase("rootfile")) {
            ParsedDataSet.setContentOpfUrl(attributes.getValue("full-path"));
            tocParent = ParsedDataSet.getContentOpfUrl().substring(0, ParsedDataSet.getContentOpfUrl().lastIndexOf("/") + 1);
        }
        if (qName.equalsIgnoreCase("item")) {
            if (attributes.getValue("id").equalsIgnoreCase("ncx")) {
                ParsedDataSet.setTocUrl(tocParent + attributes.getValue("href"));
            }
        }

        // this structure only checks names of children if already in correct
        // parents
        if (qName.equalsIgnoreCase("navMap") || inNavMap == true) {
            inNavMap = true;
            if (qName.equalsIgnoreCase("navPoint") || inNavPoint == true) {
                inNavPoint = true;

                // all info on each of the chapters/toc points will be placed in
                // this
                content = new Content();

                if (qName.equalsIgnoreCase("navLabel") || inNavLabel == true) {
                    inNavLabel = true;
                    if (qName.equalsIgnoreCase("text")) {
                        inText = true;
                    }
                }
                if (qName.equalsIgnoreCase("content")) {
                    String contentURL = attributes.getValue("src");
                    String chapterTag = contentURL.substring(contentURL.lastIndexOf("#"), contentURL.length());
                    contentURL = tocParent + contentURL.substring(0, contentURL.lastIndexOf("#"));

                    content.setURL(contentURL);
                    content.setTag(chapterTag);
                }
            }
        }
    }

    @Override
    public void characters(char[] ch, int start, int length) throws SAXException {
        if (inText) {
            content.setName(new String(ch, start, length));
        }
    }

    @Override
    public void endElement(String uri, String localName, String qName) throws SAXException {

        if (qName.equalsIgnoreCase("navMap")) {
            inNavMap = false;
        }
        if (qName.equalsIgnoreCase("navPoint")) {
            inNavPoint = false;

            ParsedDataSet.getToc().add(content);
            System.out.println(ParsedDataSet.getToc().get(0).getName());

        }
        if (qName.equalsIgnoreCase("navLabel")) {
            inNavLabel = false;
        }
        if (qName.equalsIgnoreCase("text")) {
            inText = false;
        }
    }
}