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Comment: edited the attributes of <make-value> because the map is optional (seen in different minilang scripts in OFBiz)
Alert
titleMini Lang Deprecated
typeWarning

According to the proposal thread in [1] we decided to deprecate mini lang. For additional information please refer to the corresponding issue [2].


[1] https://s.apache.org/iS8W

[2]

Jira
serverASF JIRA
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keyOFBIZ-9350

Current Mini Language (minilang) Reference Guide (Version 3)

Grammar version 2 (http://ofbiz.apache.org/dtds/simple-methods-v2.xsd)

Info
titleOlder versions

There are 2 older versions that you can find respectively at

Mini-Language Guide (Version 1 - Deprecated)

Mini-Language Guide (Version 2 - Deprecated)

 

Attributes

Attribute Types

Type

Description

Example

constant

A string constant. The string may not include an expression.

name="fooMethod"

constant+expr

A string constant. The string may include an expression, but an expression-only string is not allowed.

default="${foo}Method"

expression

A UEL expression without enclosing brackets.

from="item.quantity * item.priceEach"

${expression}

A UEL expression with enclosing brackets.

default="${parameters.itemId}"

script

A short script ("scriptlet").

script="groovy:foo.bar();"

 

The <simple-method> element

Section
Column
width20%
<simple-method>
Column
Contains a block of code.

A simple method can be called in either an event context from the Control
Servlet (or another event) or in a service context through the Service
Engine, or any other component that has access to a service dispatcher.

Code Block
xml
xml
<simple-method method-name="fooMethod">
  <!-- some mini-language code goes here -->
</simple-method>
Attributes

Name

Type

Requirements

Description

Note

method-name

constant

required

A name (preferably a legal Java identifier) for this method.

Each simple method in a file must have a unique name.

short-description

constant

optional

A short description of the method.

Used for documentation.

login-required

constant

optional

Require a user login to run this method.

Defaults to "true".

use-transaction

constant

optional

Create a transaction if none exists for this thread.

Defaults to "true".

default-error-code

constant

optional

The default error return code.

Defaults to "error".

default-success-code

constant

optional

The default success return code.

Defaults to "success".

event-request-object-name

constant

optional

The name of the field containing the javax.servlet.ServletRequest object.

Defaults to "request".

event-response-object-name

constant

optional

The name of the field containing the javax.servlet.ServletResponse object.

Defaults to "response".

event-session-object-name

constant

optional

The name of the field containing the javax.servlet.http.HttpSession object.

Defaults to "session".

event-response-code-name

constant

optional

The name of the field containing the event response code.

Defaults to "_response_code_".

event-error-message-name

constant

optional

The name of the field containing the event error message.

Defaults to "_error_message_".

event-error-message-list-name

constant

optional

The name of the field containing the event message list.

Defaults to "_error_message_list_".

event-event-message-name

constant

optional

The name of the field containing the event message.

Defaults to "_event_message_".

event-event-message-list-name

constant

optional

The name of the field containing the event message list.

Defaults to "_event_message_list_".

service-response-message-name

constant

optional

The name of the field containing the service response message.

Defaults to "responseMessage".

service-error-message-name

constant

optional

The name of the field containing the service error message.

Defaults to "errorMessage".

service-error-message-list-name

constant

optional

The name of the field containing the service error message list.

Defaults to "errorMessageList".

service-error-message-map-name

constant

optional

The name of the field containing the service error message map.

Defaults to "errorMessageMap".

service-success-message-name

constant

optional

The name of the field containing the service success message.

Defaults to "successMessage".

service-success-message-list-name

constant

optional

The name of the field containing the service success message list.

Defaults to "successMessageList".

 

Child Elements

Name

Requirements

 

(Any block of code)

optional

 

 

Assignment Operations

Assignment operations modify the script's state

Mini-language Reference

The Apache Open For Business Project

Note

This is a draft document. It can be modified at any time by anyone.

The <simple-method> element

...

Column
width20%
<simple-method>

...

Contains a block of code.

...


<simple-method method-name="myMethod">
  <!-- some mini-language code goes here -->
</simple-method>

Attributes

method-name

optional

Each simple method in a file must have a unique name

short-description

optional

Used for documentation

default-error-code

optional

 

default-success-code

optional

 

parameter-map-name

optional

 

event-request-object-name

optional

 

event-session-object-name

optional

 

event-response-object-name

optional

 

event-response-code-name

optional

 

event-error-message-name

optional

 

event-error-message-list-name

optional

 

event-event-message-name

optional

 

event-event-message-list-name

optional

 

service-response-message-name

optional

 

service-error-message-name

optional

 

service-error-message-list-name

optional

 

service-error-message-map-name

optional

 

service-success-message-name

optional

 

service-success-message-list-name

optional

 

login-required

optional

 

use-transaction

optional

 

locale-name

optional

 

delegator-name

optional

 

security-name

optional

 

dispatcher-name

optional

 

user-login-name

optional

 

Info
titleProposed Changes
  • Eliminate unused and seldom used attributes.
  • Currently, the method-name attribute is optional. Require the method-name attribute.

Assignment Operations

...

Column
width20%
<add-error>

...

Adds a message to the error list.

...


<add-error>
  <fail-message message="There was an error" />
</add-error>

Attributes

error-list-name

optional

The name of a list that will contain the message

Default is "error_list"

Child Elements

<fail-message>

optional

<fail-property>

optional

Info
titleProposed Changes

Currently, child elements are optional. Require at least one child element.

...

Column
width20%
<clear-field>

...

Removes a field from memory.

...


<clear-field field="foo" />

Attributes

field

optional

The name of the field to remove

map-name

optional

The name of the map to remove

Info
titleProposed Changes
  • Currently, both attributes are optional. Require at least one attribute.
  • Eliminate the map-name attribute.

...

Column
width20%
<create-object>

...

Create a new Java object.

...


<create-object field="foo" class-name="com.acme.SomeClass">
  <string value="bar" />
  <field field="foo" />
</create-object>

Attributes

field

optional

The name of the field for the new object

class-name

optional

The Java class name

Child Elements

<field>

optional

<string>

optional

Info
titleProposed Changes
  • Currently, both attributes are optional. Require both attributes.
  • Deprecate and replace with scriptlet
Section
Column
width20%
<env-to-env>
Column
Warning

Deprecated. Use <set>.

Section
Column
width20%
<env-to-field>
Column
Warning

Deprecated. Use <set>.

...

Column
width20%
<fail-message>

...

Declares a message to be added to a message list.

...


<add-error>
  <fail-message message="There was an error" />
</add-error>

Attributes

message

optional

The message text

...

titleProposed Changes

...

.

Section
Column
width20%
<fail
<add-
property>
error>
Column
Declares a property key that is used to add a
Adds a message to
a
the error message list.
Code Block
xml
xml

<add-error>
  <fail-propertymessage resourcemessage="ErrorMessages" property="FooErrorThere was an error" />
</add-error>
Attributes
resource

Name

optional

Name of the resource where the message can be found

property

optional

The message property key

Info
titleProposed Changes
  • Currently, both attributes are optional. Require both attributes.
Section
Column
width20%
<field-to-env>
Column
Warning

Deprecated. Use <set>.

Type

Requirements

Description

Note

error-list-name

constant

optional

The name of a list that will contain the message.

Defaults to "error_list".

 

Child Elements

One of the following child elements is required:

Name

 

<fail-message>

(?) (https://cwiki.apache.org/OFBADMIN/mini-language-reference.html#Mini-languageReference-{{}})

<fail-property>

(?) (https://cwiki.apache.org/OFBADMIN/mini-language-reference.html#Mini-languageReference-{{}})

Section
Column
width20%
<field-to-field>
Deprecated. Use <set>.
Column
Warning

  • Currently, both attributes are optional. Require both attributes.
  • Deprecate and replace with UEL expression
    Section
    Column
    width20%
    <field
    <alt-
    to-list>
    permission>

    Attributes

    Column
    Declares an alternate permission (<check-permission> sub-element).

    Alternate permissions are checked when the primary permission check fails.

    Attributes

    Name

    Type

    Requirements

    Description

    Note

    permission

    constant, ${expression}

    required

    The permission to check.

     

    action

    constant, ${expression}

    optional

    The action to be performed (permission scope).

    Examples: "_ADMIN", "_CREATE", "_UPDATE"

    Copies an environment field to a list.
    Code Block
    xmlxml
    
    <field-to-list list="barList" field="foo" />
    

    list

    optional

    Name of the list. If the list does not exist, one is created.

    field

    optional

    The field to add to the list

    Info
    titleProposed Changes

    .

    Section
    Column
    width20%
    <field-to-request>
    <assert>

    Attributes

    Column
    Adds an error message to the error message list for each condition that evaluates to false.
    Attributes

    Name

    Type

    Requirements

    Description

    Note

    title

    constant, ${expression}

    optional

    The title of the assert operation.

    The title is used in test reports.

    error-list-name

    constant

    Copies a field to a servlet request attribute.
    Code Block
    xmlxml
    
    <field-to-request field="foo" request-name="fooAttribute" />
    

    field

    optional

    The name of the field to copy from

    request-name

    optional

    The name of the request attribute to copy to

    map-name

    optional

    The name of the map containing field

    Info
    titleProposed Changes
    • Currently, all attributes are optional. Require the field and request-name attributes.
    • Eliminate the map-name attribute.
    • Deprecate and replace with a UEL expression.
    Section
    Column
    width20%
    <field-to-result>

    a list that will contain the message.

    Defaults to "error_list".

     

    Child Elements

    Name

     

    Any <condition> child element

    (?) (https://cwiki.apache.org/OFBADMIN/mini-language-reference.html#Mini-languageReference-{{}})

    Column
    Section
    Column
    width20%
    <field
    <check-
    to-session>
    id>

    Attributes

    Column
    Evaluates the specified field, and adds an error message to the error message list if the field's value is not a valid data source ID value.

    Valid IDs can be any sequence of characters or digits, but they must not contain the following characters: space [ ], double quote ["], single quote ['], ampersand [&], question mark [?], less-than sign [<]\, greater-than sign [>], forward-slash [/], back-slash [\ ].

    Attributes

    Name

    Type

    Requirements

    Description

    Note

    field

    expression

    Copies a field to a servlet session attribute.
    Code Block
    xmlxml
    
    <field-to-session field="foo" session-name="fooAttribute" />
    

    field

    optional

    The name of the field to copy from

    session-name

    optional

    The name of the session attribute to copy tofield to test.

     

    error-listmap-name

    constant

    optional

    The name of the map containing field

    Info
    titleProposed Changes

    a list that will contain the message.

    Defaults to "error_list".

     

    Child Elements

    One of the following child elements is required:

    Name

     

    <fail-message>

    (?) (https://cwiki.apache.org/OFBADMIN/mini-language-reference.html#Mini-languageReference-{{}})

    <fail-property>

    (?) (https://cwiki.apache.org/OFBADMIN/mini-language-reference.html#Mini-languageReference-{{}})

  • Currently, all attributes are optional. Require the field and session-name attributes.
  • Eliminate the map-name attribute.
  • Deprecate and replace with a UEL expression.

    Section
    Column
    width20%
    <first
    <check-
    from-list>
    permission>
    Copies the first element in a list to a field. If the list is empty or not found, sets the field to null.

    Attributes

    Column
    Code Block
    xmlxml
    
    <first-from-list entry-name="foo" list-name="fooList" />
    

    entry-name

    optional

    The name of the field to copy to

    list-name

    optional

    The name of the list to copy from

    Info
    titleProposed Changes
    • Currently, both attributes are optional. Require both attributes.
    • Deprecate and replace with a UEL expression.
    Section
    Checks if the user has the specified permission, and adds an error message to the error message list if the user does not have the specified permission.

    Note that this element must be followed by the <check-errors> element for it to do anything meaningful.

    Attributes

    Name

    Type

    Requirements

    Description

    Note

    permission

    constant, ${expression}

    required

    The permission to check.

     

    action

    constant, ${expression}

    optional

    The action to be performed (permission scope).

    Examples: "_ADMIN", "_CREATE", "_UPDATE".

    error-list-name

    constant

    optional

    The name of a list that will contain the message.

    Defaults to "error_list".

     

    Child Elements

    One or more of the following child element is optional:

    Name

     

    <alt-permission>

    (?) (https://cwiki.apache.org/OFBADMIN/mini-language-reference.html#Mini-languageReference-{{}})

    One of the following child elements is required:

    Name

     

    <fail-message>

    (?) (https://cwiki.apache.org/OFBADMIN/mini-language-reference.html#Mini-languageReference-{{}})

    <fail-property>

    (?) (https://cwiki.apache.org/OFBADMIN/mini-language-reference.html#Mini-languageReference-{{}})

    Column
    width20%
    <list-to-list>

    Attributes

    Column
    Copies list elements to another list. If the target list is not found, a new list is created.
    Code Block
    xmlxml
    
    <list-to-list list-name="foo" to-list-name="fooList" />
    

    list-name

    optional

    The name of the list to copy from

    to-list-name

    optional

    The name of the list to copy to