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Using Java to access Object Storage v2 in Bluemix

Joseph Chang

Senior IT Specialist

IBM Cloud Group

Document number

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https://github.com/whitfiea/bluemix-objectstorage-v2

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The sample code in this slide is from the following url.

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Take me to BluemixClick Here

If you need the guidance and sample code of using Java to access object storage v2 in bluemix, go ahead.

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https://ibm.biz/BdEzTZ

Read/Write files with OpenStack Dashboard

You can use openstack dashboard to read/write

container/folder/file in object storage v2.

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Click Here.

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Click Here.

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Fill in user name and password.

Then click sign in.

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Click Object Store ->

Container

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Now you see the containers, folders, files.

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You can create folder/ upload files with this dashboard

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Now let’s create object storage service from catalog.

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Your service created.

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Click the service, you can see the number of containers and objects.

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Click Show Credentials.

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Take note for all of these information. We will use these

info in our Java code.

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Now let’s look at the Java code. You can view it from JazzHub.

https://hub.jazz.net/code/edit/edit.html#/code/file/joseph-OrionContent/joseph%2520%257C%2520jx-object-storage2/

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Or you can take a copy to local.

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git clone https://hub.jazz.net/git/joseph/jx-object-storage2/

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Use Eclipse to import the sample code

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Libraries required by this sample

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Sample 1 : Java Application in Local

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Classes required by this sample

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You can get the information from object storage service credential.Refer to p.12.

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Connect to Object Storage with SwiftApi

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Java main program

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Using ContainerApi and ObjectApi

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Using ContainerApi and ObjectApi

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Let’s run it

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View the log in eclipse console

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Sample 2 : Java Servlet in Bluemix Liberty

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Prepare the manifest file

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Replace the host name,

object storage service name

with yours.

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View the Servlet souce

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The servlet which running in Bluemix liberty

with automatically take the environment

variables.

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Deploy it with cf push

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The application is running

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View the result in Browser

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Thank you

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Take me to BluemixClick Here