123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354 |
- /*
- * Copyright 2000-2022 Vaadin Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
- package com.vaadin.server.widgetsetutils.metadata;
-
- import com.google.gwt.core.ext.TreeLogger;
- 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.vaadin.client.annotations.OnStateChange;
- import com.vaadin.shared.ui.Connect;
-
- /**
- * Visits Connector classes and check for methods with @OnStateChange
- * annotations.
- *
- * @since 7.2
- * @author Vaadin Ltd
- */
- public class OnStateChangeVisitor extends TypeVisitor {
-
- @Override
- public void visitConnector(TreeLogger logger, JClassType type,
- ConnectorBundle bundle) throws UnableToCompleteException {
- Connect connectAnnotation = type.getAnnotation(Connect.class);
- if (connectAnnotation != null) {
- // Find all the annotated methods in all the superclasses
- JClassType connector = type;
- while (connector != null) {
- for (JMethod method : connector.getMethods()) {
- if (method.getAnnotation(OnStateChange.class) != null) {
- bundle.setNeedsInvoker(connector, method);
- bundle.setNeedsOnStateChangeHandler(type, method);
- }
- }
-
- connector = connector.getSuperclass();
- }
- }
- }
-
- }
|