import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.TreeLogger.Type;
+import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JClassType;
import com.google.gwt.core.ext.typeinfo.JMethod;
+import com.google.gwt.core.ext.typeinfo.JParameterizedType;
import com.google.gwt.core.ext.typeinfo.JType;
import com.vaadin.client.ui.grid.renderers.AbstractRendererConnector;
@Override
public void visitConnector(TreeLogger logger, JClassType type,
- ConnectorBundle bundle) {
+ ConnectorBundle bundle) throws UnableToCompleteException {
if (ConnectorBundle.isConnectedRendererConnector(type)) {
doRendererType(logger, type, bundle);
doPresentationType(logger, type, bundle);
}
private void doPresentationType(TreeLogger logger, JClassType type,
- ConnectorBundle bundle) {
- JType presentationType = getPresentationType(type);
+ ConnectorBundle bundle) throws UnableToCompleteException {
+ JType presentationType = getPresentationType(type, logger);
bundle.setPresentationType(type, presentationType);
logger.log(Type.DEBUG, "Presentation type of " + type + " is "
+ presentationType);
}
- private static JType getPresentationType(JClassType type) {
+ private static JType getPresentationType(JClassType type, TreeLogger logger)
+ throws UnableToCompleteException {
JClassType originalType = type;
while (type != null) {
if (type.getQualifiedBinaryName().equals(
AbstractRendererConnector.class.getName())) {
- return type.isParameterized().getTypeArgs()[0];
+ JParameterizedType parameterized = type.isParameterized();
+ if (parameterized == null) {
+ logger.log(
+ Type.ERROR,
+ type.getQualifiedSourceName()
+ + " must define the generic parameter of the inherited "
+ + AbstractRendererConnector.class
+ .getSimpleName());
+ throw new UnableToCompleteException();
+ }
+ return parameterized.getTypeArgs()[0];
}
type = type.getSuperclass();
}