/**
* Crates a writer instance.
*
* @param clazz class to instantiate.
* @param os output stream to pass as constructor argument.
* @return created instance.
* @throws IllegalArgumentException if an error occurs during instantiation.
*/
private FormatWriter createWriter(WriterFactory clazz, OutputStream os) {
try {
return clazz.getRdfWriter(os);
} catch (Exception e) {
throw new IllegalArgumentException(
"Error while initializing format writer " + clazz + " .", e);
}
}
/**
* Registers a new {@link WriterFactory} to the registry.
*
* @param writerClass the class of the writer to be registered.
* @throws IllegalArgumentException if the id or the mimetype are null or empty strings or if the
* identifier has been already defined.
*/
public synchronized void register(WriterFactory writerClass) {
if (writerClass == null) throw new NullPointerException("writerClass cannot be null.");
final String id = writerClass.getIdentifier();
final String mimeType = writerClass.getMimeType();
if (id == null || id.trim().length() == 0) {
throw new IllegalArgumentException("Invalid identifier returned by writer " + writerClass);
}
if (mimeType == null || mimeType.trim().length() == 0) {
throw new IllegalArgumentException("Invalid MIME type returned by writer " + writerClass);
}
if (idToWriter.containsKey(id))
throw new IllegalArgumentException("The writer identifier is already declared.");
writers.add(writerClass);
identifiers.add(writerClass.getIdentifier());
List<WriterFactory> writerClasses = mimeToWriter.get(mimeType);
if (writerClasses == null) {
writerClasses = new ArrayList<WriterFactory>();
mimeToWriter.put(mimeType, writerClasses);
}
writerClasses.add(writerClass);
idToWriter.put(id, writerClass);
}
protected void writeResults() throws IOException {
writeResults(writerFactory.getWriter(getPageForHistory(), finalSummary, currentTestStartTime));
}
/**
* Reads the <i>MIME Type</i> specified for the given {@link FormatWriter}.
*
* @param writerClass writer class.
* @return MIME type.
*/
public static String getMimeType(WriterFactory writerClass) {
return writerClass.getMimeType();
}
/**
* Reads the identifier specified for the given {@link FormatWriter}.
*
* @param writerClass writer class.
* @return identifier.
*/
public static String getIdentifier(WriterFactory writerClass) {
return writerClass.getIdentifier();
}
