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Asked: 2026-05-23T02:53:31+00:00

A very basic question. I want to provide URIs for some objects in my

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A very basic question. I want to provide URIs for some objects in my application. For example, a resource is available at:

http://localhost:8080/myapp/user/1

However, I’d like to serialize such a User object. This serialization should contain the public URI of the object itself. So for example, the model has a new method serializeToSomething, which would serialize:

id: 1
username: JohnDoe
email: johndoe@example.com
publicURI: http://localhost:8080/myapp/user/1

How can I let the model instance know of its URL?

Some notes:
This has to happen within the scope of the model, controller or service, and not within the view. Also I don’t want to hardcode this.

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1 Answer

  1. Editorial Team

    See related question Can I use grails tag outside of GSP?

    Basically you can use g.createLink in a controller or service, and it will return a string. So you can do something like:

    def uri = g.createLink(controller: 'user', action: 'show', id: user.id, absolute: true)
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