public static synchronized ContentHandler<?> getContentHandler(
			Class<? extends DomainObject> dobjClass) throws IOException {
		checkContentHandlerMaps();
		ContentHandler<?> ch = contentHandlerClassMap.get(dobjClass);
		if (ch == null) {
			throw new IOException("Content handler not found for " + dobjClass.getName());
		}
		return ch;
	}
Get the {@link ContentHandler} associated with the specified domain object class

@param dobjClass domain object class
@return content handler
@throws IOException if no content handler can be found
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/DomainObjectAdapter.java