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Authorisation & Access

Authentication and authorisation together ensure access control.

Business Rules

In the USoft approach, business rules are the primary communication

Web & App UIs

For data-intensive web user interaction with the USoft platform

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Maintaining a USoft Production environment

Rules Service healthcheck

You can run a healthcheck report on a Rules Service by browsinglocalhost:port/healthcheckwhere port is the Windows Service port number of the Rules Service you want to check.This returns a JSON object with the following properties.Property Description Type timestamp The current date and time in format: Date value in format: YYYY-MM-DD HH:MM:SS.sss healthy An indication of whether the Rules Service runs successfully or not Boolean application Name of the USoft application as known in Authorizer String message Explanation of problem String The application property is only displayed if the application is found running in the Rules Service.The message property can show these messages:Message Explanation Application could not be found The application could not be found running in any Rules Engine. Authorizer could not be found The Rules Service is running but cannot connect to USoft Authorizer. Database unreachable The application cannot connect to t

ColsMeta.prompt()

This article is about the prompt() function of the ColsMeta object.ColsMeta.prompt()Returns this column's prompt. This is determined by the "Prompt" column attribute in USoft Definer.Returns a string.Syntax$.udbMeta( ds ).cols( cols ).prompt()The optional ds is a data source selector. The optional cols is a column selector.Examplevar label = $.udbMeta('EMP').cols('EMPNO').prompt();

Blend functions

xslutil:json2xml

This article is about the xslutil:json2xml Blend function.xslutil:json2xmlConverts a JSON fragment to an equivalent XML fragment.Syntaxxslutil:json2xml( json )json ::= { filepath | xpath }Pass the required json input code:As a filepath if you want the JSON input to be read from the file pointed at. See Example 1. As an xpath expression if you want to pass the JSON input inline (that is, inside the Blend script). See Example 2.To convert JSON to XML, prefer the pc:assign-nodeset-from-json directive, which stores the XML result in a nodeset variable for further processing.Example 1<example xmlns:pc="Processing.Command"> <pc:assign-string jsonstring = "{path:Combine('c:\usoft\blend\JSON', 'app.config.json')}"/> <pc:assign-nodeset xmlresult = "{xslutil:json2xml($jsonstring)}" /> <pc:copy-of select="$xmlresult"/></example>Example 2<example xmlns:pc="Processing.Command"> <pc:assign-string jsonstring = "{.}">{"myname":"Lakshmi"}</pc:assign-str

News & announcements

USoft Studio offers REST API authentication with JSON web tokensUSoft Studio

REST API authentication with JSON web tokens in USoft Studio 4.0 USoft is pleased to announce the latest release of our business rules management environment USoft Studio.When accessing the Studio REST API, it is now possible to authenticate with JSON Web Tokens (JWT).Registered members of the USoft Customer Platform can find further details in the release notes: USoft Studio 4.0 release notes.As a sneak preview of things to come in USoft Studio: in the next few months, we will release the next version of USoft Studio, which will have a new look and feel. Because this look and feel will be in line with the new look and feel of the USoft development platform, this release will further integrate the two branches of the USoft Suite.

Blend directives

pc:ValidateSchemas

This article is about the pc:ValidateSchemas Blend directive.pc:ValidateSchemas Example: Testing that XML is well-formed Example: Testing that XML is schema-valid and well-formed Example: Testing XML against multiple schemaspc:ValidateSchemasFinds out whether an XML document is well-formed. If you provide XML schemas, finds out whether the XML document is valid according to one of these schemas.Returns an XML document reporting on the outcome.Syntax<pc:ValidateSchemas xml="xml" [ attr="xml-schema" ... ]>The required xml is the input XML document.You can optionally specify one or more XML schemas. For these, you can use any attr attribute name, provided that the attribute names are unique.Example: Testing that XML is well-formedThis example tests that the XML document stored in the "persons.xml" file is well-formed XML. If the XML is well-formed, the return value is:<ValidationResult valid="yes" errors="0" warnings="0" exceptions="0"/>If the XML is not well-formed, the

Patrick Camphuijsen

Field validation

This article covers field validators as a way of getting early user feedback. This is part of the UI Library.The UI Library is a mixed bag of Javascript extensions for programming UI controls in USoft web pages. Do not confuse with the structured UDB object model for data exchange between USoft web pages and a Rules Engine.Field validation is attractive for for early user feedback. USoft has field validation built in by default. An adjusted version of the jQuery validator plug-in is incorporated (jquery.validate.js) to facilitate this. The plug-in comes with a default set of validators. The entire control is well documented at http://jqueryvalidation.org/documentation/.USoft provides an additional set of validators that can be found in the usoft.ui.validator.js file:Validator Explanation pattern Allows a field value to be validated against a regular expression. biccode Checks that the field value is a valid BIC code. iban Checks that the field value is a valid IBAN code. ud

Patrick Camphuijsen

USoft controls from jQuery: Render()

This article covers Render() as a way of adding functionality to USoft UI controls. This is part of the UI Library.The UI Library is a mixed bag of Javascript extensions for programming UI controls in USoft web pages. Do not confuse with the structured UDB object model for data exchange between USoft web pages and a Rules Engine. Once the HTML for a control has been created, you can add functionality to the control, such as adding event handlers and instantiating child controls, etc.For this purpose, each control exposes a Render() function.Syntaxcontrol.Render( $target, propsChild, master)$target refers to a jQuery container that contains the element that is the parent for the control to create. propsChild contains additional property settings that are adduced by the parent control. master refers to the control definition of the master.The Render() function must return a jQuery object containing the newly created control.

Blend functions

xslutil:USoftDir

This article is about the xslutil:USoftDir Blend function.xslutil:USoftDirReturns the USoft installation directory of the ublendit.exe executable being used.The return value has a trailing backslash.Syntaxxslutil:USoftDir()This could return:C:\Program Files\usd100\

Blend functions

xslutil:UserTempDir

This article is about the xslutil:UserTempDir Blend function.xslutil:UserTempDirReturns the full folder path leading to the "user temp dir". The "user temp dir" is allocated by the Windows OS and is normally the folder:C:\Users\Windows-login-name\AppData\Local\TempThe return value does not have a trailing backslash.Syntaxxslutil:UserTempDir()

Blend functions

xslutil:Sleep

This article is about the xslutil:Sleep Blend function.xslutil:SleepHalts processing (ie., pauses) for a specified lapse of time, then returns true.Returns a boolean.Syntaxxslutil:Sleep( time )The required time is a lapse of time expressed in milliseconds.ExampleThis line of code halts processing for 3 seconds.<pc:if-then test="xslutil:Sleep(3000)"/>

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