[英]In Apigee, how to get a custom attribute value for a developer using the AccessEntity policy and later in Javascript?
There is a custom attribute assigned to a developer called 'XYZ'. 有一个自定义属性分配给名为“XYZ”的开发人员。 In the API proxy, how can the AccessEntity policy (along with the AssignMessage and ExtractVariable policies as given in the tutorial: http://apigee.com/docs/api-services/content/retrieve-entity-profiles-using-accessentity ) be used to retrieve the value for it so that it can be accessed further in Javascript?
在API代理中,AccessEntity策略如何(以及教程中给出的AssignMessage和ExtractVariable策略: http ://apigee.com/docs/api-services/content/retrieve-entity-profiles-using-accessentity)用于检索它的值,以便可以在Javascript中进一步访问它? The example given in the tutorial doc is not very clear.
教程doc中给出的示例不是很清楚。
I have the following configurations that are not working. 我有以下配置不起作用。 'XYZ' is the name of the developer's custom attribute:
'XYZ'是开发人员自定义属性的名称:
AccessEntity policy- AccessEntity政策 -
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<AccessEntity async="false" continueOnError="false" enabled="true" name="access-developer-attribute">
<DisplayName>AccessEntity Developer Attribute</DisplayName>
<FaultRules/>
<Properties/>
<EntityIdentifier ref="XYZ"></EntityIdentifier>
<EntityType value="developer"></EntityType>
</AccessEntity>
AssignMessage policy - AssignMessage政策 -
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<AssignMessage async="false" continueOnError="false" enabled="true" name="convert-accessentity-xml-to-message-request">
<DisplayName>Convert AccessEntity Xml To Message Request</DisplayName>
<FaultRules/>
<Properties/>
<Set>
<Headers/>
<QueryParams/>
<FormParams/>
<Verb/>
<Path/>
<Payload type="text/xml">AccessEntity.access-developer-attribute</Payload>
</Set>
<AssignVariable>
<Name>name</Name>
<Value/>
<Ref/>
</AssignVariable>
<IgnoreUnresolvedVariables>true</IgnoreUnresolvedVariables>
<AssignTo createNew="true" transport="http" type="request">accessentity.XYZ-attribute</AssignTo>
</AssignMessage>
ExtractVariables policy - ExtractVariables政策 -
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ExtractVariables async="false" continueOnError="false" enabled="true" name="retrieve-developer-attribute">
<DisplayName>Retrieve Developer Domain</DisplayName>
<FaultRules/>
<Properties/>
<IgnoreUnresolvedVariables>true</IgnoreUnresolvedVariables>
<Source>accessentity.XYZ-attribute</Source>
<VariablePrefix>developer_attribute</VariablePrefix>
<XMLPayload stopPayloadProcessing="false">
<Namespaces/>
<Variable name="xyz" type="string">
<XPath>/Developer/Attributes/XYZ</XPath>
</Variable>
</XMLPayload>
</ExtractVariables>
Javascript - Javascript -
var xyzValue = context.getVariable("developer_attribute.xyz");
The EntityIdentifier ref in AccessEntity refers to a variable that identifies the developer to be referenced. AccessEntity中的EntityIdentifier引用了一个标识要引用的开发人员的变量。 There are multiple types of data you can pass in to identify the developer (developeremail, developerid, appid, consumerkey).
您可以传递多种类型的数据来识别开发人员(developeremail,developerid,appid,consumerkey)。 It is best to include the type of data being used in the EntityIdentifier element.
最好包括EntityIdentifier元素中使用的数据类型。 In the example below, the consumer key is stored in the variable client_id:
在下面的示例中,使用者密钥存储在变量client_id中:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<AccessEntity async="false" continueOnError="false" enabled="true" name="access-developer-attribute">
<DisplayName>AccessEntity Developer Attribute</DisplayName>
<EntityIdentifier ref="client_id" type="consumerkey"></EntityIdentifier>
<EntityType value="developer"></EntityType>
</AccessEntity>
Also, your AssignMessage policy is not correctly retrieving from the AccessEntity.access-developer-attribute variable. 此外,您的AssignMessage策略未正确从AccessEntity.access-developer-attribute变量中检索。 You need curly braces around the variable name, otherwise the payload will be the text "AccessEntity.access-developer-attribute".
您需要在变量名称周围使用花括号,否则有效内容将是文本“AccessEntity.access-developer-attribute”。
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<AssignMessage async="false" continueOnError="false" enabled="true" name="convert-accessentity-xml-to-message-request">
<DisplayName>Convert AccessEntity Xml To Message Request</DisplayName>
<Set>
<Payload type="text/xml">{AccessEntity.access-developer-attribute}</Payload>
</Set>
<IgnoreUnresolvedVariables>true</IgnoreUnresolvedVariables>
<AssignTo createNew="true" transport="http" type="request">accessentity.XYZ-attribute</AssignTo>
</AssignMessage>
You'll notice also that I've deleted unused fields in the policies. 您还会注意到我已删除了策略中未使用的字段。 This makes the policies more readable.
这使得策略更具可读性。
Your ExtractVariables and JavaScript should work fine. 您的ExtractVariables和JavaScript应该可以正常工作。
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