Java XMLStreamReader write(XMLStreamReader xmlr, XMLStreamWriter writer)

Description

Borrowed from org.apache.xml.security.test.stax.utils.XmlReaderToWriter

License

Open Source License

Declaration

public static void write(XMLStreamReader xmlr, XMLStreamWriter writer) throws XMLStreamException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.stream.events.XMLEvent;

public class Main {
    /**//from   ww  w. java  2  s. c o m
     * Borrowed from org.apache.xml.security.test.stax.utils.XmlReaderToWriter
     */
    public static void write(XMLStreamReader xmlr, XMLStreamWriter writer) throws XMLStreamException {
        switch (xmlr.getEventType()) {
        case XMLEvent.START_ELEMENT:
            final String localName = xmlr.getLocalName();
            final String namespaceURI = xmlr.getNamespaceURI();
            if (namespaceURI != null && namespaceURI.length() > 0) {
                final String prefix = xmlr.getPrefix();
                if (prefix != null) {
                    writer.writeStartElement(prefix, localName, namespaceURI);
                } else {
                    writer.writeStartElement(namespaceURI, localName);
                }
            } else {
                writer.writeStartElement(localName);
            }

            for (int i = 0, len = xmlr.getNamespaceCount(); i < len; i++) {
                String prefix = xmlr.getNamespacePrefix(i);
                if (prefix == null) {
                    writer.writeDefaultNamespace(xmlr.getNamespaceURI(i));
                } else {
                    writer.writeNamespace(prefix, xmlr.getNamespaceURI(i));
                }
            }

            for (int i = 0, len = xmlr.getAttributeCount(); i < len; i++) {
                final String attUri = xmlr.getAttributeNamespace(i);

                if (attUri != null && attUri.length() > 0) {
                    final String prefix = xmlr.getAttributePrefix(i);
                    if (prefix != null) {
                        writer.writeAttribute(prefix, attUri, xmlr.getAttributeLocalName(i),
                                xmlr.getAttributeValue(i));
                    } else {
                        writer.writeAttribute(attUri, xmlr.getAttributeLocalName(i), xmlr.getAttributeValue(i));
                    }
                } else {
                    writer.writeAttribute(xmlr.getAttributeLocalName(i), xmlr.getAttributeValue(i));
                }

            }
            break;
        case XMLEvent.END_ELEMENT:
            writer.writeEndElement();
            break;
        case XMLEvent.SPACE:
        case XMLEvent.CHARACTERS:
            char[] text = new char[xmlr.getTextLength()];
            xmlr.getTextCharacters(0, text, 0, xmlr.getTextLength());
            writer.writeCharacters(text, 0, text.length);
            break;
        case XMLEvent.PROCESSING_INSTRUCTION:
            writer.writeProcessingInstruction(xmlr.getPITarget(), xmlr.getPIData());
            break;
        case XMLEvent.CDATA:
            writer.writeCData(xmlr.getText());
            break;
        case XMLEvent.COMMENT:
            writer.writeComment(xmlr.getText());
            break;
        case XMLEvent.ENTITY_REFERENCE:
            writer.writeEntityRef(xmlr.getLocalName());
            break;
        case XMLEvent.START_DOCUMENT:
            String encoding = xmlr.getCharacterEncodingScheme();
            String version = xmlr.getVersion();

            if (encoding != null && version != null) {
                writer.writeStartDocument(encoding, version);
            } else if (version != null) {
                writer.writeStartDocument(xmlr.getVersion());
            }
            break;
        case XMLEvent.END_DOCUMENT:
            writer.writeEndDocument();
            break;
        case XMLEvent.DTD:
            writer.writeDTD(xmlr.getText());
            break;
        }
    }
}

Related

1. skip(XMLStreamReader parser)
2. skip(XMLStreamReader parser)
3. skipEventsTo(int targetEvent, XMLStreamReader parser)
4. skipNewLines(XMLStreamReader xmlStreamReader)
5. toReadableEvent(XMLStreamReader r)
6. writeCharacters(XMLStreamReader reader, XMLStreamWriter writer)