FreeColXMLReader.java 文件源码

/**
 * Seek to an identifier in this stream.
 *
 * @param id The identifier to find.
 * @return This {@code FreeColXMLReader} positioned such that the
 *     required identifier is current, or null on error or if not found.
 * @exception XMLStreamException if a problem was encountered
 *     during parsing.
 */
public FreeColXMLReader seek(String id) throws XMLStreamException {
    nextTag();
    for (int type = getEventType(); type != XMLEvent.END_DOCUMENT;
         type = getEventType()) {
        if (type == XMLEvent.START_ELEMENT
            && id.equals(readId())) return this;
        nextTag();
    }
    return null;
}