Example usage for javax.xml.stream.events StartDocument encodingSet

Introduction

In this page you can find the example usage for javax.xml.stream.events StartDocument encodingSet.

Prototype

public boolean encodingSet();

Source Link

Document

Returns true if CharacterEncodingScheme was set in the encoding declaration of the document

Usage

From source file:StAXEventTreeViewer.java

public void buildTree(DefaultTreeModel treeModel, DefaultMutableTreeNode current, File file)
        throws XMLStreamException, FileNotFoundException {

    XMLInputFactory inputFactory = XMLInputFactory.newInstance();
    XMLEventReader reader = inputFactory.createXMLEventReader(new FileInputStream(file));
    while (reader.hasNext()) {
        XMLEvent event = reader.nextEvent();
        switch (event.getEventType()) {
        case XMLStreamConstants.START_DOCUMENT:
            StartDocument startDocument = (StartDocument) event;
            DefaultMutableTreeNode version = new DefaultMutableTreeNode(startDocument.getVersion());
            current.add(version);/*  ww w.  j a v a 2 s. c  o m*/

            current.add(new DefaultMutableTreeNode(startDocument.isStandalone()));
            current.add(new DefaultMutableTreeNode(startDocument.standaloneSet()));
            current.add(new DefaultMutableTreeNode(startDocument.encodingSet()));
            current.add(new DefaultMutableTreeNode(startDocument.getCharacterEncodingScheme()));
            break;
        case XMLStreamConstants.START_ELEMENT:
            StartElement startElement = (StartElement) event;
            QName elementName = startElement.getName();

            DefaultMutableTreeNode element = new DefaultMutableTreeNode(elementName.getLocalPart());
            current.add(element);
            current = element;

            if (!elementName.getNamespaceURI().equals("")) {
                String prefix = elementName.getPrefix();
                if (prefix.equals("")) {
                    prefix = "[None]";
                }
                DefaultMutableTreeNode namespace = new DefaultMutableTreeNode(
                        "prefix=" + prefix + ",URI=" + elementName.getNamespaceURI());
                current.add(namespace);
            }

            for (Iterator it = startElement.getAttributes(); it.hasNext();) {
                Attribute attr = (Attribute) it.next();
                DefaultMutableTreeNode attribute = new DefaultMutableTreeNode("Attribute (name="
                        + attr.getName().getLocalPart() + ",value=" + attr.getValue() + "')");
                String attURI = attr.getName().getNamespaceURI();
                if (!attURI.equals("")) {
                    String attPrefix = attr.getName().getPrefix();
                    if (attPrefix.equals("")) {
                        attPrefix = "[None]";
                    }
                    attribute.add(new DefaultMutableTreeNode("prefix = " + attPrefix + ", URI = " + attURI));
                }
                current.add(attribute);
            }
            break;
        case XMLStreamConstants.END_ELEMENT:
            current = (DefaultMutableTreeNode) current.getParent();
            break;
        case XMLStreamConstants.CHARACTERS:
            Characters characters = (Characters) event;
            if (!characters.isIgnorableWhiteSpace() && !characters.isWhiteSpace()) {
                String data = characters.getData();
                if (data.length() != 0) {
                    current.add(new DefaultMutableTreeNode(characters.getData()));
                }
            }
            break;
        case XMLStreamConstants.DTD:
            DTD dtde = (DTD) event;
            current.add(new DefaultMutableTreeNode(dtde.getDocumentTypeDeclaration()));
        default:
            System.out.println(event.getClass().getName());
        }
    }
}

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