StringUtils.join(mappings.keySet()
.iterator(), "\", \"")).append(
"\"").toString();
jsMappings[1] = new StringBuilder(512).append("\"")
.append(
StringUtils.join(mappings.values()
.iterator(), "\", \"")).append(
"\"").toString();
fileExtensionIconsMapping = jsMappings;
fileExtensionIcons = mappings;
}