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.remote; import org.openqa.selenium.json.JsonException; import java.util.Map; import java.util.Objects; import java.util.UUID; public class SessionId { private final String opaqueKey; public SessionId(UUID uuid) { this(Objects.requireNonNull(uuid, "Session ID key has not been set.").toString()); } public SessionId(String opaqueKey) { this.opaqueKey = Objects.requireNonNull(opaqueKey, "Session ID key has not been set."); } @Override public String toString() { return opaqueKey; } @Override public int hashCode() { return opaqueKey.hashCode(); } @Override public boolean equals(Object obj) { return obj instanceof SessionId && opaqueKey.equals(((SessionId) obj).opaqueKey); } private String toJson() { return opaqueKey; } private static SessionId fromJson(Object raw) { if (raw instanceof String) { return new SessionId(String.valueOf(raw)); } if (raw instanceof Map) { Map<?, ?> map = (Map<?, ?>) raw; if (map.get("value") instanceof String) { return new SessionId(String.valueOf(map.get("value"))); } } throw new JsonException("Unable to coerce session id from " + raw); } }