Java tutorial
// Licensed to the Software Freedom Conservancy (SFC) under one // or more contributor license agreements. See the NOTICE file // distributed with this work for additional information // regarding copyright ownership. The SFC licenses this file // to you 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.openqa.selenium.interactions; import java.time.Duration; import java.util.HashMap; import java.util.LinkedList; import java.util.List; import java.util.Map; /** * A sequence of action objects for a given {@link InputSource} for use with the W3C * <a href="https://www.w3.org/TR/webdriver/#actions">Action commands</a>. In the spec, an action * is composed of a list of sequences, one per {@link InputSource}. Each of these is composed of * {@link Interaction}s, with the first item in each sequence being executed at the same time, then * the second, and so on, until all interactions in all sequences have been executed. */ public class Sequence implements Encodable { private final List<Encodable> actions = new LinkedList<>(); private final InputSource device; public Sequence(InputSource device, int initialLength) { if (!(device instanceof Encodable)) { throw new IllegalArgumentException("Input device must implement Encodable: " + device); } this.device = device; for (int i = 0; i < initialLength; i++) { addAction(new Pause(device, Duration.ZERO)); } } public Sequence addAction(Interaction action) { if (!action.isValidFor(device.getInputType())) { throw new IllegalArgumentException(String .format("Interaction (%s) is for wrong kind of input device: %s ", action.getClass(), device)); } if (!(action instanceof Encodable)) { throw new IllegalArgumentException("Interaction must implement Encodable: " + action); } actions.add((Encodable) action); return this; } @Override public Map<String, Object> encode() { Map<String, Object> toReturn = new HashMap<>(((Encodable) device).encode()); List<Map<String, Object>> encodedActions = new LinkedList<>(); for (Encodable action : actions) { Map<String, Object> encodedAction = new HashMap<>(action.encode()); encodedActions.add(encodedAction); } toReturn.put("actions", encodedActions); return toReturn; } public Map<String, Object> toJson() { return encode(); } int size() { return actions.size(); } }