Java tutorial
/* Copyright 2007-2010 Selenium committers 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 shaded.org.openqa.selenium.remote.server.handler.internal; import com.google.common.base.Function; import com.google.common.collect.Iterables; import com.google.common.collect.Lists; import com.google.common.collect.Maps; import java.util.List; import java.util.Map; public class ArgumentConverter implements Function<Object, Object> { private final shaded.org.openqa.selenium.remote.server.KnownElements knownElements; public ArgumentConverter(shaded.org.openqa.selenium.remote.server.KnownElements knownElements) { this.knownElements = knownElements; } public Object apply(Object arg) { if (arg instanceof Map) { @SuppressWarnings("unchecked") Map<String, Object> paramAsMap = (Map<String, Object>) arg; if (paramAsMap.containsKey("ELEMENT")) { shaded.org.openqa.selenium.remote.server.KnownElements.ProxiedElement element = (shaded.org.openqa.selenium.remote.server.KnownElements.ProxiedElement) knownElements .get((String) paramAsMap.get("ELEMENT")); return element.getWrappedElement(); } Map<String, Object> converted = Maps.newHashMapWithExpectedSize(paramAsMap.size()); for (Map.Entry<String, Object> entry : paramAsMap.entrySet()) { converted.put(entry.getKey(), apply(entry.getValue())); } return converted; } if (arg instanceof List<?>) { return Lists.newArrayList(Iterables.transform((List<?>) arg, this)); } return arg; } }