Examples with ProcessingInstruction javax.xml.stream.events.ProcessingInstruction used on opensource projects

Example 6 with ProcessingInstruction

use of javax.xml.stream.events.ProcessingInstruction in project sirix by sirixdb.

the class XMLShredder method insertNewContent.

/**
 * Insert new content based on a StAX parser {@link XMLStreamReader}.
 *
 * @throws SirixException if something went wrong while inserting
 */
protected final void insertNewContent() throws SirixException {
    try {
        boolean firstElement = true;
        int level = 0;
        QName rootElement = null;
        boolean endElemReached = false;
        final StringBuilder sBuilder = new StringBuilder();
        long insertedRootNodeKey = -1;
        // Iterate over all nodes.
        while (mReader.hasNext() && !endElemReached) {
            final XMLEvent event = mReader.nextEvent();
            switch(event.getEventType()) {
                case XMLStreamConstants.START_ELEMENT:
                    level++;
                    addNewElement(event.asStartElement());
                    if (firstElement) {
                        firstElement = false;
                        insertedRootNodeKey = mWtx.getNodeKey();
                        rootElement = event.asStartElement().getName();
                    }
                    break;
                case XMLStreamConstants.END_ELEMENT:
                    level--;
                    if (level == 0 && rootElement != null && rootElement.equals(event.asEndElement().getName())) {
                        endElemReached = true;
                    }
                    final QName name = event.asEndElement().getName();
                    processEndTag(new QNm(name.getNamespaceURI(), name.getPrefix(), name.getLocalPart()));
                    break;
                case XMLStreamConstants.CHARACTERS:
                    if (mReader.peek().getEventType() == XMLStreamConstants.CHARACTERS) {
                        sBuilder.append(event.asCharacters().getData().trim());
                    } else {
                        sBuilder.append(event.asCharacters().getData().trim());
                        processText(sBuilder.toString());
                        sBuilder.setLength(0);
                    }
                    break;
                case XMLStreamConstants.COMMENT:
                    if (mIncludeComments) {
                        processComment(((Comment) event).getText());
                    }
                    break;
                case XMLStreamConstants.PROCESSING_INSTRUCTION:
                    if (mIncludePIs) {
                        final ProcessingInstruction pi = (ProcessingInstruction) event;
                        processPI(pi.getData(), pi.getTarget());
                    }
                    break;
                default:
            }
        }
        mWtx.moveTo(insertedRootNodeKey);
    } catch (final XMLStreamException e) {
        throw new SirixIOException(e);
    }
}