Examples with IObjectDescriptor org.eclipse.e4.core.di.suppliers.IObjectDescriptor used on opensource projects

Example 11 with IObjectDescriptor

use of org.eclipse.e4.core.di.suppliers.IObjectDescriptor in project eclipse.platform.runtime by eclipse.

the class InjectorImpl method getImplementationClass.

private Class<?> getImplementationClass(Class<?> clazz) {
    IObjectDescriptor descriptor = new ObjectDescriptor(clazz, null);
    Binding binding = findBinding(descriptor);
    if (binding == null)
        return getDesiredClass(descriptor.getDesiredType());
    return binding.getImplementationClass();
}

Example 12 with IObjectDescriptor

use of org.eclipse.e4.core.di.suppliers.IObjectDescriptor in project eclipse.platform.runtime by eclipse.

the class InjectorImpl method findExtendedSupplier.

private ExtendedObjectSupplier findExtendedSupplier(IObjectDescriptor descriptor, PrimaryObjectSupplier objectSupplier) {
    Annotation[] qualifiers = descriptor.getQualifiers();
    if (qualifiers == null)
        return null;
    for (Annotation qualifier : qualifiers) {
        Class<?> type = qualifier.annotationType();
        String key = ((Class<?>) type).getName();
        ExtendedObjectSupplier supplier;
        try {
            // use qualified name to refer to a class that might be missing
            supplier = org.eclipse.e4.core.internal.di.osgi.ProviderHelper.findProvider(key, defaultSupplier);
        } catch (NoClassDefFoundError e) {
            // OSGi framework not present
            return null;
        }
        if (supplier != null)
            return supplier;
    }
    return null;
}

Example 13 with IObjectDescriptor

use of org.eclipse.e4.core.di.suppliers.IObjectDescriptor in project eclipse.platform.runtime by eclipse.

the class ClassRequestor method calcDependentObjects.

@Override
public IObjectDescriptor[] calcDependentObjects() {
    if (pseudoVariableDescriptor == null) {
        Field field = null;
        try {
            // $NON-NLS-1$
            field = ClassRequestor.class.getField("pseudoVariable");
        } catch (SecurityException e) {
            // tested - not going to happen
            e.printStackTrace();
            return null;
        } catch (NoSuchFieldException e) {
            // tested - not going to happen
            e.printStackTrace();
            return null;
        }
        pseudoVariableDescriptor = new IObjectDescriptor[] { new ObjectDescriptor(field.getGenericType(), field.getAnnotations()) };
    }
    return pseudoVariableDescriptor;
}