final StringBuilder url = new StringBuilder();
        url.append(protocol).append("://").append(host);
        if (port > 0) {
            url.append(":").append(port);
        }
        if (path != null && !path.isEmpty()) {
            if (!path.startsWith("/")) {
                url.append("/");
            }
            url.append(path);
        }
        return url.toString();
    }

    /**

        message.append(action).append(darkOn).append(' ').append(direction).append(' ');
        message.append(darkOff).append(resource.getRepositoryId());
        message.append(darkOn).append(": ").append(resource.getRepositoryUrl());
        message.append(darkOff).append(resource.getResourceName());
        message.append(darkOn).append(" (").append(format.format(contentLength));

	}

	// Append
	DB.Model(&users).Association("Company").Append(
		&Company{Name: "company-slice-append-1"},
		&Company{Name: "company-slice-append-2"},
		&Company{Name: "company-slice-append-3"},
	)

	AssertAssociationCount(t, users, "Company", 3, "After Append")

	DB.Model(&users).Association("Manager").Append(
		GetUser("manager-slice-belongs-to-1", Config{}),

            if (values == null) {
                // nothing
            } else if (values.length == 1) {
                queryBuf.append(' ').append(key).append(":\"").append(values[0]).append('\"');
            } else if (values.length > 1) {
                boolean first = true;
                queryBuf.append(" (");
                for (final String value : values) {
                    if (first) {
                        first = false;

        StringBuilder status = new StringBuilder();

        if (printResourceNames) {
            status.append(resourceName(resourceName));
            status.append(" (");
        }

        status.append(format.formatProgress(complete, total));

        if (printResourceNames) {
            status.append(")");
        }

        return status.toString();
    }

					if ref.OwnPrimaryKey {
						primaryFields = append(primaryFields, ref.PrimaryKey)
						joinPrimaryKeys = append(joinPrimaryKeys, ref.ForeignKey.DBName)
					} else {
						relPrimaryFields = append(relPrimaryFields, ref.PrimaryKey)
						joinRelPrimaryKeys = append(joinRelPrimaryKeys, ref.ForeignKey.DBName)
					}
				} else {
					conds = append(conds, clause.Eq{Column: ref.ForeignKey.DBName, Value: ref.PrimaryValue})

        monitorTarget.append(buf, "key1", () -> "value1");
        buf.append(",");
        monitorTarget.append(buf, "key2", () -> 123);
        buf.append(",");
        monitorTarget.append(buf, "key3", () -> null);

        assertEquals("\"key1\":\"value1\",\"key2\":123,\"key3\":null", buf.toString());
    }

    // Test append with empty string
    @Test

            logger.error("Failed to purge user info.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        // update job logs
        try {
            jobLogService.updateStatus();
        } catch (final Exception e) {
            logger.error("Failed to purge job logs.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        return resultBuf.toString();
    }

		case HasOne:
			schema.Relationships.HasOne = append(schema.Relationships.HasOne, relation)
		case HasMany:
			schema.Relationships.HasMany = append(schema.Relationships.HasMany, relation)
		case BelongsTo:
			schema.Relationships.BelongsTo = append(schema.Relationships.BelongsTo, relation)
		case Many2Many:
			schema.Relationships.Many2Many = append(schema.Relationships.Many2Many, relation)
		}
	}

	o = append(o, 0xa2, 0x6c, 0x75)
	o = msgp.AppendTime(o, z.LastUpdate)
	// string "ra"
	o = append(o, 0xa2, 0x72, 0x61)
	o = msgp.AppendInt(o, z.RetryAttempts)
	// string "at"
	o = append(o, 0xa2, 0x61, 0x74)
	o = msgp.AppendInt(o, z.Attempts)
	// string "cmp"
	o = append(o, 0xa3, 0x63, 0x6d, 0x70)
	o = msgp.AppendBool(o, z.Complete)
	// string "fld"
	o = append(o, 0xa3, 0x66, 0x6c, 0x64)
	o = msgp.AppendBool(o, z.Failed)