public static B writeAttrsV4()

in sshd-sftp/src/main/java/org/apache/sshd/sftp/common/SftpHelper.java [279:341]
57 lines of code
23 McCabe index (conditional complexity)

    public static <B extends Buffer> B writeAttrsV4(B buffer, int version, Map<String, ?> attributes) {
        ValidateUtils.checkTrue(version >= SftpConstants.SFTP_V4, "Illegal version: %d", version);

        boolean isReg = getBool((Boolean) attributes.get(IoUtils.REGFILE_VIEW_ATTR));
        boolean isDir = getBool((Boolean) attributes.get(IoUtils.DIRECTORY_VIEW_ATTR));
        boolean isLnk = getBool((Boolean) attributes.get(IoUtils.SYMLINK_VIEW_ATTR));
        @SuppressWarnings("unchecked")
        Collection<PosixFilePermission> perms = (Collection<PosixFilePermission>) attributes.get(IoUtils.PERMISSIONS_VIEW_ATTR);
        Number size = (Number) attributes.get(IoUtils.SIZE_VIEW_ATTR);
        FileTime lastModifiedTime = (FileTime) attributes.get(IoUtils.LASTMOD_TIME_VIEW_ATTR);
        FileTime lastAccessTime = (FileTime) attributes.get(IoUtils.LASTACC_TIME_VIEW_ATTR);
        FileTime creationTime = (FileTime) attributes.get(IoUtils.CREATE_TIME_VIEW_ATTR);
        @SuppressWarnings("unchecked")
        Collection<AclEntry> acl = (Collection<AclEntry>) attributes.get(IoUtils.ACL_VIEW_ATTR);
        Map<?, ?> extensions = (Map<?, ?>) attributes.get(IoUtils.EXTENDED_VIEW_ATTR);
        int flags = (((isReg || isLnk) && (size != null)) ? SftpConstants.SSH_FILEXFER_ATTR_SIZE : 0)
                    | ((attributes.containsKey(IoUtils.OWNER_VIEW_ATTR) && attributes.containsKey(IoUtils.GROUP_VIEW_ATTR))
                            ? SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP : 0)
                    | ((perms != null) ? SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS : 0)
                    | ((lastModifiedTime != null) ? SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME : 0)
                    | ((creationTime != null) ? SftpConstants.SSH_FILEXFER_ATTR_CREATETIME : 0)
                    | ((lastAccessTime != null) ? SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME : 0)
                    | ((acl != null) ? SftpConstants.SSH_FILEXFER_ATTR_ACL : 0)
                    | ((extensions != null) ? SftpConstants.SSH_FILEXFER_ATTR_EXTENDED : 0);
        buffer.putInt(flags);
        buffer.putByte((byte) (isReg ? SftpConstants.SSH_FILEXFER_TYPE_REGULAR
                : isDir ? SftpConstants.SSH_FILEXFER_TYPE_DIRECTORY
                : isLnk ? SftpConstants.SSH_FILEXFER_TYPE_SYMLINK
                : SftpConstants.SSH_FILEXFER_TYPE_UNKNOWN));
        if ((flags & SftpConstants.SSH_FILEXFER_ATTR_SIZE) != 0) {
            buffer.putLong(size.longValue());
        }
        if ((flags & SftpConstants.SSH_FILEXFER_ATTR_OWNERGROUP) != 0) {
            buffer.putString(
                    Objects.toString(attributes.get(IoUtils.OWNER_VIEW_ATTR), SftpUniversalOwnerAndGroup.Owner.getName()));
            buffer.putString(
                    Objects.toString(attributes.get(IoUtils.GROUP_VIEW_ATTR), SftpUniversalOwnerAndGroup.Group.getName()));
        }
        if ((flags & SftpConstants.SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
            buffer.putInt(attributesToPermissions(isReg, isDir, isLnk, perms));
        }

        if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACCESSTIME) != 0) {
            buffer = writeTime(buffer, version, flags, lastAccessTime);
        }

        if ((flags & SftpConstants.SSH_FILEXFER_ATTR_CREATETIME) != 0) {
            buffer = writeTime(buffer, version, flags, creationTime);
        }
        if ((flags & SftpConstants.SSH_FILEXFER_ATTR_MODIFYTIME) != 0) {
            buffer = writeTime(buffer, version, flags, lastModifiedTime);
        }
        if ((flags & SftpConstants.SSH_FILEXFER_ATTR_ACL) != 0) {
            buffer = writeACLs(buffer, version, acl);
        }
        // TODO: ctime
        // TODO: bits
        if ((flags & SftpConstants.SSH_FILEXFER_ATTR_EXTENDED) != 0) {
            buffer = writeExtensions(buffer, extensions);
        }

        return buffer;
    }