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Configuring Canvas Operations

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Last updated: Jul 08, 2015
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To use the Canvas connector, add the <canvas.init> element in your configuration before carrying out any other Canvas operations. 

Canvas uses an access token for authorization. For more information on authentication, see https://canvas.instructure.com/doc/api/file.oauth.html.

init
 <canvas.init>
    <apiUrl>{$url:apiUrl}</apiUrl>
	<accessToken>{$url:accessToken}</accessToken>
 </canvas.init>
Properties 
  • apiUrl: The API URL of Canvas.
  • accessToken: The generated access token.

Configuring the message formatters and builders

Ensure that the following Axis2 configurations are added and enabled in the <ESB_HOME>\repository\conf\axis2\axis2.xml file.

Required message formatter
<messageFormatter contentType="multipart/form-data" class="org.wso2.carbon.relay.ExpandingMessageFormatter"/>
Required message builder
<messageBuilder contentType="multipart/form-data" class="org.wso2.carbon.relay.BinaryRelayBuilder"/>

Ensure that the following Axis configurations are disabled (if already enabled) in the <ESB_HOME>\repository\conf\axis2\axis2.xml file.

Message formatter to disable
<messageFormatter contentType="multipart/form-data" class="org.apache.axis2.transport.http.MultipartFormDataFormatter"/>
Message builder to disable
<messageBuilder contentType="multipart/form-data" class="org.apache.axis2.builder.MultipartFormDataBuilder"/>

Configuring the operations

Now that you have connected to Canvas, use the information in the following topics to perform various operations with the connector.