org.eclipse.core.expressions.Expression Java Examples

The following examples show how to use org.eclipse.core.expressions.Expression. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: ViewInstanceDescriptor.java From neoscada with Eclipse Public License 1.0

6 votes

public ViewInstanceDescriptor ( final String id, final String parentId, final ViewInstanceFactory factory, final URI uri, final String name, final int order, final boolean defaultInstance, final Boolean zooming, final Expression lazyExpression, final Expression visibleExpression, final Expression defaultInstanceExpression, final String summaryConnectionId, final String summaryItemId, final boolean mainView, final Map<String, String> properties )
{
    super ();
    this.id = id;
    this.parentId = parentId;
    this.factory = factory;
    this.uri = uri;
    this.name = name;
    this.properties = properties;
    this.order = order;
    this.defaultInstance = defaultInstance;
    this.zooming = zooming;
    this.lazyExpression = lazyExpression;
    this.visibleExpression = visibleExpression;
    this.defaultInstanceExpression = defaultInstanceExpression;
    this.summaryConnectionId = summaryConnectionId;
    this.summaryItemId = summaryItemId;
    this.mainView = mainView;
}

Example #2

Source File: ClasspathFixProcessorDescriptor.java From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0

6 votes

public boolean matches(IJavaProject javaProject) {
	if (fStatus != null) {
		return fStatus.booleanValue();
	}

	IConfigurationElement[] children= fConfigurationElement.getChildren(ExpressionTagNames.ENABLEMENT);
	if (children.length == 1) {
		try {
			ExpressionConverter parser= ExpressionConverter.getDefault();
			Expression expression= parser.perform(children[0]);
			EvaluationContext evalContext= new EvaluationContext(null, javaProject);
			evalContext.addVariable("project", javaProject); //$NON-NLS-1$
			evalContext.addVariable("sourceLevel", javaProject.getOption(JavaCore.COMPILER_SOURCE, true)); //$NON-NLS-1$
			return expression.evaluate(evalContext) == EvaluationResult.TRUE;
		} catch (CoreException e) {
			JavaPlugin.log(e);
		}
		return false;
	}
	fStatus= Boolean.FALSE;
	return false;
}

Example #3

Source File: EditpartExtensionManager.java From birt with Eclipse Public License 1.0

6 votes

public static EditPart createEditPart( EditPart context, Object model )
{
	EvaluationContext econtext = new EvaluationContext( null, model );
	for ( Iterator<Expression> iterator = extensionMap.keySet( ).iterator( ); iterator.hasNext( ); )
	{
		try
		{
			Expression expression = iterator.next( );
			if ( expression.evaluate( econtext ) == EvaluationResult.TRUE )
			{
				EditPart editPart = (EditPart) extensionMap.get( expression )
						.createExecutableExtension( "type" ); //$NON-NLS-1$
				editPart.setModel( model );
				return editPart;
			}
		}
		catch ( CoreException e )
		{
			logger.log( Level.SEVERE, e.getMessage( ), e );
		}
	}
	return null;
}

Example #4

Source File: BasePluginXmlTest.java From google-cloud-eclipse with Apache License 2.0

5 votes

/** Verify that a node is a valid expression. */
protected static Expression checkExpression(Element expression) {
  try {
    Expression converted = ExpressionConverter.getDefault().perform(expression);
    Assert.assertNotNull(converted);
    return converted;
  } catch (CoreException ex) {
    throw new AssertionError("failed to convert to core expression", ex);
  }
}

Example #5