HIbernate的单例例子_JAVA_编程开发_程序员俱乐部

class="java" name="code">
 

public final class XMLHelper {

	public static final EntityResolver DEFAULT_DTD_RESOLVER = new DTDEntityResolver();

	private DOMReader domReader;
	private SAXReader saxReader;

	/**
	 * @param errorHandler the sax error handler
	 * @param entityResolver an xml entity resolver
	 *
	 * @return Create and return a dom4j {@code SAXReader} which will append all validation errors
	 *         to the passed error list
	 */
	public SAXReader createSAXReader(ErrorHandler errorHandler, EntityResolver entityResolver) {
		SAXReader saxReader = resolveSAXReader();
		saxReader.setEntityResolver( entityResolver );
		saxReader.setErrorHandler( errorHandler );
		return saxReader;
	}

	private SAXReader resolveSAXReader() {
		if ( saxReader == null ) {
			saxReader = new SAXReader();
			saxReader.setMergeAdjacentText( true );
			saxReader.setValidation( true );
		}
		return saxReader;
	}

	
	
	
}