if (StringUtil.isNotBlank(value)) {
            return value.replace(USERNAME, credentials.getUserPrincipal().getName()).replace(PASSWORD, credentials.getPassword());
        }
        return StringUtil.EMPTY;
    }

    /**
     * Returns a string representation of this object.
     * @return A string representation.
     */
    @Override

            result.setHostname(DfTypeUtil.toString(source.get("hostname")));
            result.setParameters(DfTypeUtil.toString(source.get("parameters")));
            result.setPassword(DfTypeUtil.toString(source.get("password")));
            result.setPort(DfTypeUtil.toInteger(source.get("port")));
            result.setProtocolScheme(DfTypeUtil.toString(source.get("protocolScheme")));

            userBhv.selectEntity(cb -> cb.query().setName_Equal(username)).ifPresent(entity -> {
                final String encodedPassword = fessLoginAssist.encryptPassword(password);
                entity.setPassword(encodedPassword);
                userBhv.insertOrUpdate(entity, op -> op.setRefreshPolicy(Constants.TRUE));
            }).orElse(() -> {
                throw new FessUserNotFoundException(username);
            });

     *
     * @return the password
     * @deprecated Use getPasswordAsCharArray() for better security
     */
    @Deprecated
    public String getPassword() {
        checkNotClosed();
        log.warn("getPassword() is deprecated and insecure. Use getPasswordAsCharArray() instead.");
        return this.password != null ? new String(this.password) : null;
    }

    /**

    }

    // Helper method to create test user
    private User createTestUser(String username, String password) {
        User user = new User();
        user.setName(username);
        user.setPassword(password);
        user.setRoles(new String[] { "role1", "role2" });
        user.setGroups(new String[] { "group1", "group2" });
        return user;
    }

    // Test LdapManager implementation

                String domain = npa.getUserDomain();
                String user = !npa.isAnonymous() ? npa.getUsername() : null;
                String password = npa.getPassword();
                String userInfo = this.url.getUserInfo();
                if (userInfo != null) {
                    userInfo = URLDecoder.decode(userInfo, "UTF-8");

                        throw new RuntimeException("Plain text passwords are disabled");
                    } else {
                        // plain text
                        final String password = a.getPassword();
                        this.lmHash = new byte[(password.length() + 1) * 2];
                        this.ntHash = new byte[0];
                        writeString(password, this.lmHash, 0);
                    }

                }
            } else if (cb instanceof PasswordCallback pc) {
                char[] passwordChars = this.getPasswordAsCharArray();
                if (passwordChars != null) {
                    pc.setPassword(passwordChars);
                }
            }
        }
    }

        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }

        final String password = getPassword(params);
        try (PDDocument document = Loader.loadPDF(new RandomAccessReadBuffer(in), password)) {
            final StringWriter writer = new StringWriter();

                    if (auth == null) {
                        return null;
                    }
                    user = auth.getUserName();
                    password = new String(auth.getPassword());
                } catch (final Exception ex) {}
            }
            final Type2Message type2 = (Type2Message) message;