Property Testers

Identifier:

org.blueberry.core.expressions.propertyTesters

Since:

3.0

Description:

This extension point allows to add properties to an already existing type. Those properties can then be used inside the expression language's test expression element.

Configuration Markup:

<!ELEMENT extension (propertyTester*)>

<!ATTLIST extension

point CDATA #REQUIRED

id CDATA #IMPLIED

name CDATA #IMPLIED>

point - a fully qualified identifier of the target extension point
id - an optional identifier of the extension instance
name - an optional name of the extension instance

<!ELEMENT propertyTester EMPTY>

<!ATTLIST propertyTester

id CDATA #REQUIRED

type CDATA #REQUIRED

namespace CDATA #REQUIRED

properties CDATA #REQUIRED

class CDATA #REQUIRED>

id - unique identifier for the property tester
type - the type to be extended by this property tester
namespace - a unique id determining the name space the properties are added to
properties - a comma separated list of properties provided by this property tester
class - the name of the class that implements the testing methods. The class must be public and extend org.blueberry.core.expressions.PropertyTester with a public 0-argument constructor.

Examples:

The following is an example of a property tester contribution:


  <extension point="org.eclipse.core.expressions.propertyTesters">
    <propertyTester
      id="org.eclipse.jdt.ui.IResourceTester"
      type="org.eclipse.core.resources.IResource"
      namespace="org.eclipse.jdt.ui"
      properties="canDelete"
      class="org.eclipse.jdt.ui.internal.ResourceTester">
    </propertyTester>
  </extension>

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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