// return the resource as a stream
private InputStream mapResource(String publicId) {
if (publicId == null || id2resource == null) return null;
String resourceName = (String) id2resource.get(publicId);
ClassLoader loader = null;
if (resourceName == null) return null;
if (id2loader != null) loader = (ClassLoader) id2loader.get(publicId);
if (loader == null) return ClassLoader.getSystemResourceAsStream(resourceName);
return loader.getResourceAsStream(resourceName);
}
/** SAX entity resolver */
public InputSource resolveEntity(String name, String uri) throws IOException, SAXException {
InputSource retval;
String mappedURI = name2uri(name);
InputStream stream = mapResource(name);
// prefer explicit URI mappings, then bundled resources...
if (mappedURI != null) {
retval = new InputSource(mappedURI);
retval.setPublicId(name);
return retval;
} else if (stream != null) {
uri = "java:resource:" + (String) id2resource.get(name); // NOI18N
retval = new InputSource(stream);
retval.setPublicId(name);
return retval;
} else {
return null;
}
}
// maps the public ID to an alternate URI, if one is registered
private String name2uri(String publicId) {
if (publicId == null || id2uri == null) return null;
return (String) id2uri.get(publicId);
}