try {
            handshake();
        } catch (final IOException ex) {}
        return connection.getContent(classes);
    }

    @Override
    public Permission getPermission() throws IOException {
        return connection.getPermission();
    }

    @Override
    public InputStream getInputStream() throws IOException {
        try {
            handshake();
        } catch (final IOException ex) {}

        handshake();
        return this.connection.getContent(classes);
    }

    @Override
    public Permission getPermission() throws IOException {
        return this.connection.getPermission();
    }

    @Override
    public InputStream getInputStream() throws IOException {
        handshake();
        return this.connection.getInputStream();
    }

        testUser.setPermissions(new String[] {});
        assertNotNull(fessUserBean.getPermissions());
        assertEquals(0, fessUserBean.getPermissions().length);

        // Test with single permission
        testUser.setPermissions(new String[] { "read" });
        String[] permissions = fessUserBean.getPermissions();
        assertEquals(1, permissions.length);
        assertEquals("read", permissions[0]);

    //                                                                            Accessor
    //                                                                            ========
    public String[] getPermissions() {
        return user.getPermissions();
    }

    public String[] getRoles() {
        return user.getRoleNames();
    }

    public String[] getGroups() {
        return user.getGroupNames();
    }

        return stream(getPermissions()).get(stream -> stream.filter(s -> s.startsWith(fessConfig.getRoleSearchRolePrefix()))
                .map(s -> s.substring(1))
                .toArray(n -> new String[n]));
    }

    @Override
    public String[] getGroupNames() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        assertArrayEquals(permissions, user.getPermissions());

        // Test with single permission
        permissions = new String[] { "read" };
        user = new TestFessUser("testuser", new String[] {}, new String[] {}, permissions);
        assertArrayEquals(permissions, user.getPermissions());

        // Test with empty permissions
        permissions = new String[] {};

                return "";
            }
        });

        String[] permissions = ldapUser.getPermissions();
        assertNotNull(permissions);
        assertEquals(0, permissions.length);

        // Test that permissions are cached
        String[] permissions2 = ldapUser.getPermissions();
        assertSame(permissions, permissions2);
    }

    @Test

            final LabelTypeItem item = new LabelTypeItem();
            item.setLabel(labelType.getName());
            item.setValue(labelType.getValue());
            item.setPermissions(labelType.getPermissions());
            item.setVirtualHost(labelType.getVirtualHost());
            item.setLocale(labelType.getLocale());
            itemList.add(item);
        }
        labelTypeItemList = itemList;
    }

                    });
                    final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
                    form.permissions = stream(entity.getPermissions()).get(stream -> stream.map(s -> permissionHelper.decode(s))
                            .filter(StringUtil::isNotBlank)
                            .distinct()
                            .collect(Collectors.joining("\n")));

            return roles;
        }

        @Override
        public String[] getGroupNames() {
            return groups;
        }

        @Override
        public String[] getPermissions() {
            if (permissions == null) {
                final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
                final Set<String> permissionSet = new HashSet<>();