Java tutorial
/* * Copyright 2016 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.uberfire.wbtest.client.core; import javax.enterprise.context.ApplicationScoped; import javax.inject.Inject; import javax.inject.Named; import com.google.gwt.event.dom.client.KeyUpEvent; import com.google.gwt.event.dom.client.KeyUpHandler; import com.google.gwt.user.client.ui.IsWidget; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.Panel; import com.google.gwt.user.client.ui.TextBox; import com.google.gwt.user.client.ui.VerticalPanel; import org.uberfire.client.mvp.PlaceManager; import org.uberfire.debug.Debug; import org.uberfire.util.URIUtil; import org.uberfire.wbtest.client.api.AbstractTestScreenActivity; @ApplicationScoped @Named("org.uberfire.wbtest.client.core.UriUtilScreen") public class UriUtilScreen extends AbstractTestScreenActivity { private final Panel panel = new VerticalPanel(); @Inject public UriUtilScreen(PlaceManager placeManager) { super(placeManager); final Label resultLabel = new Label(); resultLabel.getElement().setId(Debug.shortName(getClass()) + "-resultLabel"); final TextBox uriCheckerBox = new TextBox(); uriCheckerBox.getElement().setId(Debug.shortName(getClass()) + "-uriCheckerBox"); uriCheckerBox.addKeyUpHandler(new KeyUpHandler() { @Override public void onKeyUp(KeyUpEvent event) { if (URIUtil.isValid(uriCheckerBox.getText())) { resultLabel.setText("Not valid."); } else { resultLabel.setText("Valid. Encoded form is <" + URIUtil.encode(uriCheckerBox.getText()) + ">"); } } }); panel.add(new Label("Type URIs into this box to see if they're valid:")); panel.add(uriCheckerBox); panel.add(resultLabel); } @Override public IsWidget getWidget() { return panel; } }