/** * Healenium-web Copyright (C) 2019 EPAM * 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 com.epam.healenium.handlers.proxy; import com.epam.healenium.PageAwareBy; import com.epam.healenium.SelfHealingEngine; import java.lang.reflect.Method; import java.util.Optional; import lombok.extern.slf4j.Slf4j; import org.openqa.selenium.By; import org.openqa.selenium.NoSuchElementException; import org.openqa.selenium.WebElement; @Slf4j public class WebElementProxyHandler extends BaseHandler { private final WebElement delegate; public WebElementProxyHandler(WebElement delegate, SelfHealingEngine engine) { super(engine); this.delegate = delegate; } @Override public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { try { ClassLoader loader = driver.getClass().getClassLoader(); if ("findElement".equals(method.getName())) { WebElement element = findElement((By) args[0]); return Optional.ofNullable(element).map(it -> wrapElement(it, loader)).orElse(null); } if ("getWrappedElement".equals(method.getName())) { return delegate; } return method.invoke(delegate, args); } catch (Exception ex) { throw ex.getCause(); } } @Override protected WebElement findElement(By by) { try { PageAwareBy pageBy = awareBy(by); if (engine.isHealingEnabled()) { return lookUp(pageBy); } return delegate.findElement(pageBy.getBy()); } catch (Exception ex) { throw new NoSuchElementException("Failed to find element using " + by.toString(), ex); } } @Override protected WebElement lookUp(PageAwareBy key) { try { WebElement element = delegate.findElement(key.getBy()); engine.savePath(key, element); return element; } catch (NoSuchElementException ex) { log.warn("Failed to find an element using locator {}\nReason: {}\nTrying to heal...", key.getBy().toString(), ex.getMessage()); return getHealingService().heal(key, ex).orElseThrow(() -> ex); } } }