javax.xml.stream.util.StreamReaderDelegate Java Examples

The following examples show how to use javax.xml.stream.util.StreamReaderDelegate. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: StaxStreamReader.java    From sis with Apache License 2.0 6 votes vote down vote up 
/**
 * Returns a XML stream reader over only a portion of the document, from given position inclusive
 * until the end of the given element exclusive. Nested elements of the same name, if any, will be
 * ignored.
 *
 * @param  tagName name of the tag to close.
 * @return a reader over a portion of the stream.
 * @throws XMLStreamException if this XML reader has been closed.
 */
protected final XMLStreamReader getSubReader(final QName tagName) throws XMLStreamException {
    return new StreamReaderDelegate(reader) {
        /** Increased every time a nested element of the same name is found. */
        private int nested;

        /** Returns {@code false} if we reached the end of the sub-region. */
        @Override public boolean hasNext() throws XMLStreamException {
            return (nested >= 0) && super.hasNext();
        }

        /** Reads the next element in the sub-region. */
        @Override public int next() throws XMLStreamException {
            if (nested < 0) {
                throw new NoSuchElementException();
            }
            final int t = super.next();
            switch (t) {
                case START_ELEMENT: if (tagName.equals(getName())) nested++; break;
                case END_ELEMENT:   if (tagName.equals(getName())) nested--; break;
            }
            return t;
        }
    };
}
Example #2
Source File: JAXBDataBinding.java    From cxf with Apache License 2.0 5 votes vote down vote up 
private XMLStreamReader createNoCDATAReader(final XMLStreamReader reader) {
    return new StreamReaderDelegate(reader) {
        public int next() throws XMLStreamException {
            int i = super.next();
            return i == XMLStreamConstants.CDATA ? XMLStreamConstants.CHARACTERS : i;
        }
    };
}
Example #3
Source File: InputFactory.java    From sis with Apache License 2.0 3 votes vote down vote up 
/**
 * Creates a new reader for the given source.
 * It is caller's responsibility to close the given stream reader after usage
 * (it will <strong>not</strong> be done by {@link XMLEventReader#close()}).
 *
 * @param  in  where to read from.
 * @return the reader.
 * @throws XMLStreamException if the reader can not be created.
 */
public static XMLEventReader createXMLEventReader(final XMLStreamReader in) throws XMLStreamException {
    return FACTORY.createXMLEventReader(new StreamReaderDelegate(in) {
        @Override public void close() throws XMLStreamException {
            // Do not close the XMLStreamReader because user may continue reading from it.
        }
    });
}