Java tutorial
/* * Copyright (C) 2015 Red Hat, Inc. and/or its affiliates. * * 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 org.jboss.errai.ui.nav.client.local.testpages; import com.google.common.collect.ImmutableMultimap; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Widget; import org.jboss.errai.ui.nav.client.local.Navigation; import org.jboss.errai.ui.nav.client.local.PageHidden; import org.jboss.errai.ui.nav.client.local.PageHiding; import org.jboss.errai.ui.nav.client.local.PageShowing; import org.jboss.errai.ui.nav.client.local.PageShown; import javax.inject.Inject; import java.lang.annotation.Annotation; import java.util.LinkedList; import java.util.List; /** * Base class for test pages to record the calls to lifecycle methods. * * Used in tests to ensure the correct order lifecycle methods. * * @author Johannes Barop <jb@barop.de> */ public class BasePageForLifecycleTracing extends HorizontalPanel { public class Record { public Class<? extends Annotation> lifecycleAnnotation; public Class<? extends Widget> page; Record(Class<? extends Annotation> lifecycleAnnotation) { this.lifecycleAnnotation = lifecycleAnnotation; this.page = BasePageForLifecycleTracing.this.getClass(); } @Override public String toString() { return "Record{" + "lifecycleAnnotation=" + lifecycleAnnotation + ", page=" + page + '}'; } } public static List<Record> lifecycleTracer = new LinkedList<Record>(); private Class<? extends Widget> redirectPage; @Inject protected Navigation navigation; public void setRedirectPage(Class<? extends Widget> page) { redirectPage = page; } protected void doRedirect() { if (redirectPage != null) { navigation.goTo(redirectPage, ImmutableMultimap.<String, String>of()); } } @PageShowing protected void beforeShow() { lifecycleTracer.add(new Record(PageShowing.class)); doRedirect(); } @PageShown private void afterShown() { lifecycleTracer.add(new Record(PageShown.class)); } @PageHiding protected void beforeHide() { lifecycleTracer.add(new Record(PageHiding.class)); } @PageHidden private void afterHide() { lifecycleTracer.add(new Record(PageHidden.class)); } }