KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use getConstructorOptional method of org.fluentlenium.utils.ReflectionUtils class

Best FluentLenium code snippet using org.fluentlenium.utils.ReflectionUtils.getConstructorOptional

Source:ReflectionUtils.java

...175     * @param <T>            type to retrieve the constructor from176     * @return matching constructor for given optional argument values177     * @throws NoSuchMethodException if a matching method is not found.178     */179    public static <T> Constructor<T> getConstructorOptional(int mandatoryCount, Class<T> cls, Class<?>... argsTypes)180            throws NoSuchMethodException {181        while (true) {182            try {183                return getConstructor(cls, argsTypes);184            } catch (NoSuchMethodException e) {185                if (argsTypes.length == mandatoryCount) {186                    break;187                }188                argsTypes = Arrays.copyOf(argsTypes, argsTypes.length - 1);189            }190        }191        throw new NoSuchMethodException("Can't find any valid constructor.");192    }193    /**...

Source:DefaultComponentInstantiator.java

...31    }32    @Override33    public boolean isComponentClass(Class<?> componentClass) {34        try {35            ReflectionUtils.getConstructorOptional(1, componentClass, WebElement.class, FluentControl.class,36                    ComponentInstantiator.class);37            return true;38        } catch (NoSuchMethodException e) {39            return false;40        }41    }42    @Override43    public boolean isComponentListClass(Class<? extends List<?>> componentListClass) {44        try {45            ReflectionUtils.getConstructorOptional(1, componentListClass, Class.class, List.class, FluentControl.class,46                    ComponentInstantiator.class);47            return true;48        } catch (NoSuchMethodException e) {49            return false;50        }51    }52    @Override53    public <T> T newComponent(Class<T> componentClass, WebElement element) {54        try {55            return ReflectionUtils.newInstanceOptionalArgs(1, componentClass, element, control, instantiator);56        } catch (NoSuchMethodException e) {57            throw new ComponentException(componentClass.getName() + " is not a valid component class.", e);58        } catch (IllegalAccessException | InvocationTargetException | InstantiationException e) {59            throw new ComponentException(componentClass.getName() + " can't be instantiated.", e);...

getConstructorOptional

Using AI Code Generation

1import org.fluentlenium.core.FluentPage;2import org.fluentlenium.core.domain.FluentWebElement;3import org.fluentlenium.core.hook.wait.Wait;4import org.openqa.selenium.support.FindBy;5import java.util.List;6public class FluentPageTest extends FluentPage {7    @FindBy(css = "a")8    List<FluentWebElement> links;9    public void isAt() {10    }11}12Exception in thread "main" java.lang.NoSuchMethodError: org.fluentlenium.utils.ReflectionUtils.getConstructorOptional(Ljava/lang/Class;Ljava/lang/Class;Ljava/lang/Class;)Ljava/util/Optional;13        at org.fluentlenium.core.FluentPage.initElements(FluentPage.java:39)14        at org.fluentlenium.core.FluentPage.initElements(FluentPage.java:28)15        at org.fluentlenium.core.FluentPage.initElements(FluentPage.java:24)16        at 4.main(4.java:13)

getConstructorOptional

Using AI Code Generation

1package org.fluentlenium.utils;2import java.lang.reflect.Constructor;3import java.lang.reflect.InvocationTargetException;4public class ReflectionUtils {5    public static <T> T newInstance(Class<T> clazz) {6        try {7            return clazz.newInstance();8        } catch (InstantiationException | IllegalAccessException e) {9            throw new IllegalArgumentException(e);10        }11    }12    public static <T> T newInstance(Class<T> clazz, Class<?>[] parameterTypes, Object[] parameters) {13        Constructor<T> constructor = getConstructorOptional(clazz, parameterTypes);14        if (constructor == null) {15            return newInstance(clazz);16        }17        try {18            return constructor.newInstance(parameters);19        } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {20            throw new IllegalArgumentException(e);21        }22    }23    public static <T> Constructor<T> getConstructorOptional(Class<T> clazz, Class<?>[] parameterTypes) {24        try {25            return clazz.getConstructor(parameterTypes);26        } catch (NoSuchMethodException e) {27            return null;28        }29    }30}31import org.fluentlenium.core.FluentPage;32import org.openqa.selenium.WebDriver;33public class LoginPage extends FluentPage {34    private WebDriver driver;35    public LoginPage(WebDriver driver) {36        this.driver = driver;37    }38    public String getUrl() {39    }40    public void isAt() {41    }42}43import org.fluentlenium.adapter.FluentTest;44import org.openqa.selenium.WebDriver;45import org.openqa.selenium.htmlunit.HtmlUnitDriver;46public class TestPage extends FluentTest {47    public WebDriver getDefaultDriver() {48        return new HtmlUnitDriver();49    }50    public void testLoginPage() {51        LoginPage loginPage = newInstance(LoginPage.class, new Class<?>[] { WebDriver.class }, new Object[] { getDefaultDriver() });52        loginPage.go();53    }54}

getConstructorOptional

Using AI Code Generation

1import org.fluentlenium.core.FluentPage;2import org.fluentlenium.utils.ReflectionUtils;3public class 4 extends FluentPage {4    public String getUrl() {5    }6    public void isAt() {7    }8    public static void main(String[] args) {9        Class<?>[] parameterTypes = ReflectionUtils.getParameterTypes(4.class);10        System.out.println("Parameter types: " + parameterTypes);11        System.out.println("Constructor: " + ReflectionUtils.getConstructorOptional(4.class, parameterTypes));12    }13}

getConstructorOptional

Using AI Code Generation

1package com.mkyong.core;2import org.fluentlenium.utils.ReflectionUtils;3import java.lang.reflect.Constructor;4import java.lang.reflect.InvocationTargetException;5import java.lang.reflect.Method;6import java.util.Optional;7{8    public static void main( String[] args ) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {9        Class<?> clazz = ReflectionUtils.class;10        Method method = clazz.getDeclaredMethod("getConstructorOptional", Class.class, Class[].class);11        method.setAccessible(true);12        Optional<Constructor> optional = (Optional<Constructor>) method.invoke(null, String.class, new Class[]{});13        System.out.println(optional.isPresent());14        Constructor constructor = optional.get();15        String str = (String) constructor.newInstance();16        System.out.println(str);17    }18}

getConstructorOptional

Using AI Code Generation

1package com.fluentlenium;2import java.lang.reflect.Constructor;3import java.util.Optional;4import org.fluentlenium.utils.ReflectionUtils;5public class ConstructorOptional {6	public static void main(String[] args) {7		Constructor<?> constructor = ReflectionUtils.getConstructorOptional(String.class, String.class);8		if (constructor != null) {9			System.out.println(constructor);10		} else {11			System.out.println("Constructor not found");12		}13	}14}15public java.lang.String(java.lang.String)

getConstructorOptional

Using AI Code Generation

1public class 4 {2    public static void main(String[] args) {3        Object object = ReflectionUtils.getConstructorOptional(4.class, String.class).newInstance("4");4        System.out.println(object);5    }6}7java.lang.NoSuchMethodException: org.fluentlenium.utils.ReflectionUtils.getConstructorOptional(java.lang.Class, java.lang.Class)8    at java.lang.Class.getMethod(Class.java:1786)9    at 4.main(4.java:6)

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.