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Manuri Amaya Perera
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154 followers
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WSO2 ESB - A Quick Glance at the Capabilities
It's a great big world with huge number of entities communicating by different languages, different different messaging formats and different protocols. In a service oriented architecture there is a set of such entities/components providing and consuming di...

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SFTP protocol over VFS transport in WSO2 ESB 5.0.0
The Virtual File System (VFS) transport is used by WSO2 ESB to process files in the specified source directory. After processing the files, it moves them to a specified location or deletes them. Let's look at a sample scenario how we can use this functional...

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Dynamically provisioning Jenkins slaves with Jenkins Docker plugin
In Jenkins we have the master slave architecture where we have configured one machine as master, and some other machines as slaves. We can have a preferred number of executors in each of these machines. Following illustrates that deployment architecture. In...

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WSO2 ESB Foreach mediator
Say you have a payload. For example, Here, you have an array with the root elemet "data". And you need to perform some processing for each of these objects in the array and send the resulting payload to an endpoint. Lets say following the the resulting payl...

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Creating a Carbon Component using WSO2 Carbon Component Archetype
A Carbon Component is an OSGi bundle which has a dependency on Carbon Kernel. Using WSO2 Carbon Component Archetype you can create a simple Carbon Component with one command. Eg: mvn archetype:generate  -DarchetypeGroupId=org.wso2.carbon  -DarchetypeArtifac...

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Creating a generic OSGi bundle using WSO2 Carbon Bundle Archetype
You can create a generic OSGi bundle using one command with WSO2 Carbon Bundle Archetype. Even though the name is WSO2 Carbon Bundle Archetype, this is a generic OSGi bundle. Eg: Execute the following command. The groupID of the archetype is  org.wso2.carbo...

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Unmarshalling an XML file with JAXB
This is a simple example for unmarshalling an XML file. This is the XML file we are going to unmarshall This is the schema of the above XML file Now let's create Order.java Here for each complex type I have created an inner class. And for the element "item-...

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Google Summer of Code 2015
This year also I'm participating Google Summer of Code with Eclipse foundation . My project is Implementing translation between Proj4 and Well-Known-Text in Geotrellis  which is a high performance geoprocessing engine and programming toolkit. Project descri...
Google Summer of Code 2015
Google Summer of Code 2015
manuriamayaperera.blogspot.com

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Writing a simple order processing service and a client
1. The service Here a simple POJO service will be created. For simplicity the service will have only two operations. 1. Save an order which consists of an index(String) and a price(Double) The order will be saved to an xml file. 2. Retrieve the price given ...

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Making SBT use JDK 7 where both JDK 7 and 8 are installed
I was following a scala tutorial and I was using SBT as the build tool. This SBT version required JDK 7 but I had environmental variables set for JDK 8. To make SBT use JDK 7 without changing JAVA_HOME environmental variable, this is what I did. First creat...
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