ldap.admin.role.base.dn=ou\=Role,dc\=fess,dc\=codelibs,dc\=org
# Object classes for LDAP admin role.
ldap.admin.role.object.classes=groupOfNames
# Group filter for LDAP admin.
ldap.admin.group.filter=cn\=%s
# Base DN for LDAP admin group.
ldap.admin.group.base.dn=ou\=Group,dc\=fess,dc\=codelibs,dc\=org
# Object classes for LDAP admin group.
ldap.admin.group.object.classes=groupOfNames

        if (value == null) {
            throw new LdapConfigurationException(key + " is null.");
        }
        env.put(key, value);
    }

    /**
     * Creates the admin environment for LDAP connection.
     *
     * @return The admin environment for LDAP connection.
     */
    protected Hashtable<String, String> createAdminEnv() {
        return createEnvironment(//

				"image/vnd.djvu",
				"image/vnd.dwg",
				"image/vnd.dxf",
				"image/vnd.fastbidsheet",
				"image/vnd.fpx",
				"image/vnd.fst",
				"image/vnd.fujixerox.edmics-mmr",
				"image/vnd.fujixerox.edmics-rlc",
				"image/vnd.globalgraphics.pgb",
				"image/vnd.microsoft.icon",
				"image/vnd.mix",
				"image/vnd.ms-modi",
				"image/vnd.net-fpx",
				"image/vnd.radiance",

                    }
                }
                return null;
            }).filter(v -> {
                if (v == null) {
                    return false;
                }
                if ("admin".equalsIgnoreCase(v.getValue3()) || "common".equalsIgnoreCase(v.getValue3())
                        || "error".equalsIgnoreCase(v.getValue3()) || "login".equalsIgnoreCase(v.getValue3())