Java tutorial
package com.google.gwt.maps.client.overlays; /* * #%L * GWT Maps API V3 - Core API * %% * Copyright (C) 2011 - 2012 GWT Maps API V3 * %% * 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. * #L% */ /** * Start an animation. Any ongoing animation will be cancelled. Currently supported animations are: BOUNCE, DROP. * Passing in null will cause any animation to stop. */ public enum Animation { BOUNCE(1), DROP(2), /** * Same as set Animation to null. This will stop the animation */ STOPANIMATION(null); private Integer value; Animation(Integer value) { this.value = value; } /** * return the enum value as a String * * @return String */ public Integer value() { return value; } /** * convert a String value to enum Type * * @param value * @return TYPE */ public static Animation fromValue(String value) { Animation animation = Animation.STOPANIMATION; if (value.toLowerCase().contains("bounce") || value.contains("1")) { animation = BOUNCE; } else if (value.toLowerCase().contains("drop") || value.contains("2")) { animation = DROP; } return animation; } public static Animation fromValue(Integer value) { if (value == null) { return Animation.STOPANIMATION; } else { return fromValue(Integer.toString(value)); } } /** * return the enum Type as a String */ @Override public String toString() { return name(); } }