D-Net

package eu.dnetlib.enabling.tools; // NOPMD

import java.io.IOException;

import java.io.StringReader;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

import javax.xml.transform.TransformerFactory;

import javax.xml.xpath.XPathExpressionException;

import org.xml.sax.InputSource;

import org.xml.sax.SAXException;

/**

 * Opaque resource initialized from a string.

 * 

 * Currently it extends a DOMOpaqueResource, but in future it should postpone xml parsing as late as possible.

 * 

 * @author marko

 *

 */

public class StringOpaqueResource extends DOMOpaqueResource {

	/**

	 * construct an opaque resource from a xml source string.

	 * 

	 * @param source xml source

	 * @throws XPathExpressionException happens

	 * @throws SAXException happens

	 * @throws IOException happens

	 * @throws ParserConfigurationException happens

	 */

	public StringOpaqueResource(final String source, final TransformerFactory transformerFactory) throws XPathExpressionException, SAXException, IOException, ParserConfigurationException {

		super(getBuilderFactory().newDocumentBuilder().parse(new InputSource(new StringReader(source))), transformerFactory);

	}

	/**

	 * get a namespace aware document builder factory. 

	 * 

	 * @return document builder factory.

	 */

	private static DocumentBuilderFactory getBuilderFactory() {

		final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

		factory.setNamespaceAware(true);

		return factory;

	}

}