Examples with CharConversionException java.io.CharConversionException used on opensource projects

Example 1 with CharConversionException

use of java.io.CharConversionException in project spring-framework by spring-projects.

the class XmlValidationModeDetector method detectValidationMode.

/**
	 * Detect the validation mode for the XML document in the supplied {@link InputStream}.
	 * Note that the supplied {@link InputStream} is closed by this method before returning.
	 * @param inputStream the InputStream to parse
	 * @throws IOException in case of I/O failure
	 * @see #VALIDATION_DTD
	 * @see #VALIDATION_XSD
	 */
public int detectValidationMode(InputStream inputStream) throws IOException {
    // Peek into the file to look for DOCTYPE.
    BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
    try {
        boolean isDtdValidated = false;
        String content;
        while ((content = reader.readLine()) != null) {
            content = consumeCommentTokens(content);
            if (this.inComment || !StringUtils.hasText(content)) {
                continue;
            }
            if (hasDoctype(content)) {
                isDtdValidated = true;
                break;
            }
            if (hasOpeningTag(content)) {
                // End of meaningful data...
                break;
            }
        }
        return (isDtdValidated ? VALIDATION_DTD : VALIDATION_XSD);
    } catch (CharConversionException ex) {
        // Leave the decision up to the caller.
        return VALIDATION_AUTO;
    } finally {
        reader.close();
    }
}