public AttributeMap getContentAsAttributeMap() {
            if (StroomZipFileType.META.equals(type)) {
                return AttributeMapUtil.create(content);
            } else {
                throw new UnsupportedOperationException(LogUtil.message(
                        "Can't convert {} to an AttributeMap", type));
            }
        }
Represents an item in a zip file. May be meta or data
stroom-proxy/stroom-proxy-app/src/test/java/stroom/proxy/app/MockFileDestination.java