/**
* Detects which kind of validation to perform on the XML file identified by the supplied {@link
* Resource}. If the file has a <code>DOCTYPE</code> definition then DTD validation is used
* otherwise XSD validation is assumed.
*
* <p>Override this method if you would like to customize resolution of the {@link
* #VALIDATION_AUTO} mode.
*/
protected int detectValidationMode(Resource resource) {
if (resource.isOpen()) {
throw new BeanDefinitionStoreException(
"Passed-in Resource ["
+ resource
+ "] contains an open stream: "
+ "cannot determine validation mode automatically. Either pass in a Resource "
+ "that is able to create fresh streams, or explicitly specify the validationMode "
+ "on your XmlBeanDefinitionReader instance.");
}
InputStream inputStream;
try {
inputStream = resource.getInputStream();
} catch (IOException ex) {
throw new BeanDefinitionStoreException(
"Unable to determine validation mode for ["
+ resource
+ "]: cannot open InputStream. "
+ "Did you attempt to load directly from a SAX InputSource without specifying the "
+ "validationMode on your XmlBeanDefinitionReader instance?",
ex);
}
try {
return this.validationModeDetector.detectValidationMode(inputStream);
} catch (IOException ex) {
throw new BeanDefinitionStoreException(
"Unable to determine validation mode for ["
+ resource
+ "]: an error occurred whilst reading from the InputStream.",
ex);
}
}
public void testFileResource() {
File file = new File("d:/test.txt");
Resource resource = new FileSystemResource(file);
if (resource.exists()) {
dumpStream(resource);
}
Assert.assertEquals(false, resource.isOpen());
}
public void testClasspathResourceByDefaultClassLoader() throws IOException {
Resource resource = new ClassPathResource("com/iss/expense/demo/chapter4/test1.properties");
if (resource.exists()) {
dumpStream(resource);
}
System.out.println("path:--->" + resource.getFile().getAbsolutePath());
Assert.assertEquals(false, resource.isOpen());
}
public void testInputStreamResource() {
ByteArrayInputStream bis = new ByteArrayInputStream("Hello World!".getBytes());
Resource resource = new InputStreamResource(bis);
if (resource.exists()) {
dumpStream(resource);
}
Assert.assertEquals(true, resource.isOpen());
}
public void displayInfo(Resource r) {
System.out.println(r.getClass());
try {
System.out.println(r.getURL().getContent());
System.out.println(r.contentLength());
System.out.println(r.getFilename());
System.out.println(r.isOpen());
System.out.println(r.getInputStream().read());
// System.out.println(r.);
} catch (IOException e) {
System.out.println("crazy error!");
}
}
@Override
public boolean isOpen() {
return delegate.isOpen();
}
