Java tutorial
/* * JBoss, Home of Professional Open Source * Copyright 2011, Red Hat, Inc. and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.mobicents.servlet.sip.conference.client.ui; import org.mobicents.servlet.sip.conference.client.ServerConnection; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.ClickListener; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.TextBox; import com.google.gwt.user.client.ui.Widget; public class AddSipPhoneForm extends HorizontalPanel { public AddSipPhoneForm(final String confName) { final Label status = new Label(""); final TextBox urlText = new TextBox(); add(urlText); Button addButton = new Button("Dial Sip Phone"); addButton.addClickListener(new ClickListener() { public void onClick(Widget sender) { String uri = urlText.getText(); String name = makeShort(uri, 25); ServerConnection.Util.getInstance().joinSipPhone( name, confName, uri, new AsyncCallback<Void>() { public void onFailure(Throwable caught) { status.setText("Failure"); } public void onSuccess(Void result) { } }); } }); add(addButton); add(status); } public static String makeShort(String str, int size) { if (str.length() <= size) return str; return ".." + str.substring(str.length() - size, str.length()); } }