/**
* Load definitions from the given input stream and close it.
*
* @param is InputStream containing XML
*/
public void loadBeanDefinitions(InputStream is) throws BeansException {
if (is == null)
throw new BeanDefinitionStoreException(
"InputStream cannot be null: expected an XML file", null);
try {
logger.info("Loading XmlBeanFactory from InputStream [" + is + "]");
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
logger.debug("Using JAXP implementation [" + factory + "]");
factory.setValidating(true);
DocumentBuilder db = factory.newDocumentBuilder();
db.setErrorHandler(new BeansErrorHandler());
db.setEntityResolver(
this.entityResolver != null ? this.entityResolver : new BeansDtdResolver());
Document doc = db.parse(is);
loadBeanDefinitions(doc);
} catch (ParserConfigurationException ex) {
throw new BeanDefinitionStoreException("ParserConfiguration exception parsing XML", ex);
} catch (SAXException ex) {
throw new BeanDefinitionStoreException("XML document is invalid", ex);
} catch (IOException ex) {
throw new BeanDefinitionStoreException("IOException parsing XML document", ex);
} finally {
try {
if (is != null) is.close();
} catch (IOException ex) {
throw new FatalBeanException("IOException closing stream for XML document", ex);
}
}
}
/**
* Load definitions from the given file.
*
* @param filename name of the file containing the XML document
*/
public void loadBeanDefinitions(String filename) throws BeansException {
try {
logger.info("Loading XmlBeanFactory from file '" + filename + "'");
loadBeanDefinitions(new FileInputStream(filename));
} catch (IOException ex) {
throw new BeanDefinitionStoreException("Can't open file [" + filename + "]", ex);
}
}
/**
* Create a new XmlBeanFactory with the given input stream, which must be parsable using DOM.
*
* @param is InputStream containing XML
* @param parentBeanFactory parent bean factory
* @throws BeansException
*/
public XmlBeanFactory(InputStream is, BeanFactory parentBeanFactory) throws BeansException {
super(parentBeanFactory);
loadBeanDefinitions(is);
}
/**
* Create new XmlBeanFactory using java.io to read the XML document with the given filename.
*
* @param filename name of the file containing the XML document
* @param parentBeanFactory parent bean factory
*/
public XmlBeanFactory(String filename, BeanFactory parentBeanFactory) throws BeansException {
super(parentBeanFactory);
loadBeanDefinitions(filename);
}
