# Accessibility Checkers

###### Identifier:

org.eclipse.actf.visualization.eval.checkers

###### Description:

This extension point is used to add new accessibility checker implementation.

###### Configuration Markup:

<!ELEMENT extension (checker+)>

<!ATTLIST extension

point CDATA #REQUIRED

id CDATA #IMPLIED

name CDATA #IMPLIED

>

<!ELEMENT checker EMPTY>

<!ATTLIST checker

class CDATA #REQUIRED

infoprovider CDATA #REQUIRED

>

- class - the name of a class that implements `org.eclipse.actf.visualization.eval.IChecker`.
- infoprovider - the name of a class that implements `org.eclipse.actf.visualization.eval.ICheckerInfoProvider`.

###### Examples:

The following is an example of an extension definition:

       <extension
             point="org.eclipse.actf.visualization.eval.checkers">
          <checker
                infoprovider="org.eclipse.actf.examples.adesigner.eval.html.HtmlCheckerInfoProvider"
                class="org.eclipse.actf.examples.adesigner.eval.html.Checker"/>
       </extension>

###### API Information:

The contributor will add new accessibility checker by implementing `IChecker`. `ICheckerInfoProvider` is used to provide check item information, such as error descriptions, guideline information, check item mapping.

###### Supplied Implementation:

ACTF provides two example implementations `org.eclipse.actf.examples.adesigner.eval.html` and `org.eclipse.actf.examples.adesigner.eval.odf`.

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All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html