[英]Unable to get response in JSON format after aggregation in WSO2 ESB
我有一個代理服務來搜索多個系統中的用戶,並且應該返回JSON格式的組合響應。我得到了組合的響應,但不是以JSON格式獲取它,而是以XML格式獲得響應。 我可以在WSO2服務器日志中看到JSON響應,如下所示:
[2016-07-19 07:26:58,249] INFO - LogMediator To: http://www.w3.org/2005/08/addr
essing/anonymous, WSAction: , SOAPAction: , MessageID: urn:uuid:895c4303-6de5-49
88-a4d1-c06275582841, Direction: response, Component = Application2, Payload: {
"findUsers":[
{"id":"20","add_state":"0","remove_state":"0","supervisor_id_name":"","idc_id":"
3","backup_supervisor_name":"","backup_supervisor":"","business_unit_id":"","com
pany":"companyb","creation_date":"2016-05-11 18:02:42.0","deletion_date":"","dep
artment":"922","display_name":"Kevin Mollo (companyb)","email_address":"Kevin.Mo
llo@companyb.com","exception_count":"","first_name":"Kevin","is_terminated":"Fal
se","job_status":"Active","last_name":"Mollo","legacy_employee_id":"171352","sup
ervisor_id":"","termination_date":"","title":"Broadband Technician","unique_id":
"9000070","user_id":"user71","violation_count":""}
]
}
[2016-07-19 07:26:58,888] INFO - LogMediator To: http://www.w3.org/2005/08/addr
essing/anonymous, WSAction: , SOAPAction: , MessageID: urn:uuid:0cee9dc3-b6e6-48
81-9bdd-a89ec22999a7, Direction: response, Component = Application1, Payload: {"vi
ewableIdentityAttributes":{"Email":"Kevin.Mollo@companyb.com","cn":"Kevin Mollo"
,"Last Name":"Mollo","First Name":"Kevin"},"assignedRoles":[],"listAttributes":[
"First Name","Last Name","Email","cn"]}
但是,在調用代理URL后,我沒有以JSON格式得到響應。 以下是我的ESB配置:
<?xml version="1.0" encoding="UTF-8"?>
<proxy xmlns="http://ws.apache.org/ns/synapse"
name="SPRSAPproxy"
transports="http,https"
statistics="disable"
trace="disable"
startOnLoad="true">
<target>
<inSequence>
<log/>
<clone>
<target>
<sequence>
<property name="Application" value="Application1"/>
<property name="messageType"
value="application/xacml+json"
scope="axis2"
type="STRING"/>
<property name="Authorization"
expression="fn:concat('Basic ', base64Encode('username:password'))"
scope="transport"/>
<send>
<endpoint>
<address uri="http://hostname1:8080/identityiq/rest/identities/9000070"/>
</endpoint>
</send>
</sequence>
</target>
<target>
<sequence>
<property name="Application" value="Application2"/>
<property name="messageType"
value="application/json"
scope="axis2"
type="STRING"/>
<send>
<endpoint>
<address uri="http://hostname2:8080/aveksa/command.submit?cmd=findUsers&format=json&unique_id=9000070"/>
</endpoint>
</send>
</sequence>
</target>
</clone>
</inSequence>
<outSequence>
<log level="full" description="">
<property name="Component" expression="get-property('Application')"/>
</log>
<aggregate>
<completeCondition>
<messageCount min="2"/>
</completeCondition>
<onComplete expression="/">
<property name="messageType"
value="application/xacml+json"
scope="axis2"
type="STRING"
description="messageType"/>
<enrich>
<source clone="true" xpath="/"/>
<target type="body"/>
</enrich>
<send/>
</onComplete>
</aggregate>
</outSequence>
<faultSequence>
<log level="full" category="WARN"/>
</faultSequence>
</target>
<description/>
</proxy>
我得到的答復如下:
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"><soapenv:Header/><soapenv:Body><jsonObject><findUsers><id>20</id><add_state>0</add_state><remove_state>0</remove_state><supervisor_id_name></supervisor_id_name><idc_id>3</idc_id><backup_supervisor_name></backup_supervisor_name><backup_supervisor></backup_supervisor><business_unit_id></business_unit_id><company>companyb</company><creation_date>2016-05-11 18:02:42.0</creation_date><deletion_date></deletion_date><department>922</department><display_name>Kevin Mollo (companyb)</display_name><email_address>Kevin.Mollo@companyb.com</email_address><exception_count></exception_count><first_name>Kevin</first_name><is_terminated>False</is_terminated><job_status>Active</job_status><last_name>Mollo</last_name><legacy_employee_id>171352</legacy_employee_id><supervisor_id></supervisor_id><termination_date></termination_date><title>Broadband Technician</title><unique_id>9000070</unique_id><user_id>user71</user_id><violation_count></violation_count></findUsers></jsonObject><soapenv:Envelope><soapenv:Header/><soapenv:Body><jsonObject><viewableIdentityAttributes><Email>Kevin.Mollo@companyb.com</Email><cn>Kevin Mollo</cn><Last Name>Mollo</Last Name><First Name>Kevin</First Name></viewableIdentityAttributes><listAttributes>First Name</listAttributes><listAttributes>Last Name</listAttributes><listAttributes>Email</listAttributes><listAttributes>cn</listAttributes></jsonObject></soapenv:Body></soapenv:Envelope></soapenv:Body></soapenv:Envelope>
請告訴我如何獲得JSON響應。 任何幫助將不勝感激。
您可以在outSequence中將messageType設置為application / json而不是application / xacml + json並嘗試。
<property name="messageType" value="application/json" scope="axis2" type="STRING" description="messageType"/>
此外,默認情況下,WSO2 ESB也沒有附帶的application / xacml + json消息格式化程序和消息構建器。 如果需要使用這些格式,則必須編寫自己的格式化程序和構建器,並在axis2.xml文件中進行配置。
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