jodd-madvoc/src/main/java/jodd/madvoc/MadvocResponseWrapper.java
@Override
	public void setContentType(final String type) {
		if (type == null) {
			mimeType = null;
			characterEncoding = null;
			return;
		}

		ContentTypeHeaderResolver contentTypeResolver = new ContentTypeHeaderResolver(type);

		mimeType = contentTypeResolver.getMimeType();
		characterEncoding = contentTypeResolver.getEncoding();
	}
@Override
	public void setContentType(final String type) {
		if (type == null) {
			mimeType = null;
			characterEncoding = null;
			return;
		}

		ContentTypeHeaderResolver contentTypeResolver = new ContentTypeHeaderResolver(type);

		mimeType = contentTypeResolver.getMimeType();
		characterEncoding = contentTypeResolver.getEncoding();
	}
Sets content type. If charset is missing, current value is reset.
If passed value is <code>null</code>, content type will be reset
as never set.