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I have tried to find example without success

Here an example with an XML doc :

<?xml version="1.0" encoding="UTF-8" ?> <root> <name>vlabresvsanvc01</name> <adapterKindKey>VMWARE</adapterKindKey> <resourceKindKey>VMwareAdapter Instance</resourceKindKey> <resourceStatusStates> <adapterInstanceId>85966e95-1ds5-4551-aecb-d707c9453efe</adapterInstanceId> <resourceStatus>DATA_RECEIVING</resourceStatus> <resourceState>STARTED</resourceState> <statusMessage></statusMessage> </resourceStatusStates> <resourceStatusStates> <adapterInstanceId>95f3530e-a526-4a21-bd92-c0f391a8c2ad</adapterInstanceId> <resourceStatus>DATA_RECEIVING</resourceStatus> <resourceState>STARTED</resourceState> <statusMessage>Trust Established.</statusMessage> </resourceStatusStates> <identifier>95f3530e-a526-4a21-bd92-c0f391a8c2ad</identifier> </root>

I want only to select the resourceStatus (/root/resourceStatusStates/resourceStatus) for the adapterInstanceId sibling( 95f3530e-a526-4a21-bd92-c0f391a8c2ad ) that is equal to the identifier (/root/identifier).

I'm in fact wondering if this is possible to express that in XPath 2.0.

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This XPath,

/root/resourceStatusStates[adapterInstanceId = /root/identifier]/resourceStatus

will select resourceStatus elements with a sibling adapterInstanceId equal to the /root/identifier,

<resourceStatus>DATA_RECEIVING</resourceStatus>

as requested.

See also Matching a node based on a sibling's value with XPath

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HI . Thanks a lot. That is exactly what I was looking for. thanks also for the link

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