package org.fluentlenium.core.events;
import org.fluentlenium.utils.ReflectionUtils;
import org.openqa.selenium.WebDriver;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.function.Function;
/**
* Script annotation listener.
*/
class AnnotationScriptListener implements ScriptListener, ListenerPriority {
private final Method method;
private final Object container;
private final String annotationName;
private final int priority;
/**
* Creates a new Script annotation listener.
*
* @param method method
* @param container container
* @param annotationName annotation name
* @param priority listener priority
*/
AnnotationScriptListener(Method method, Object container, String annotationName, int priority) {
this.method = method;
this.container = container;
this.annotationName = annotationName;
this.priority = priority;
}
@Override
public int getPriority() {
return priority;
}
/**
* Get a function that retrieves argument value based on argument class.
*
* @param script script
* @param driver driver
* @return function returning argument value from argument class
*/
protected Function<Class<?>, Object> getArgsFunction(String script, WebDriver driver) {
return input -> {
if (input.isAssignableFrom(String.class)) {
return script;
}
if (input.isAssignableFrom(WebDriver.class)) {
return driver;
}
return null;
};
}
@Override
public void on(String script, WebDriver driver) {
Class<?>[] parameterTypes = method.getParameterTypes();
Object[] args = ReflectionUtils.toArgs(getArgsFunction(script, driver), parameterTypes);
try {
ReflectionUtils.invoke(method, container, args);
} catch (IllegalAccessException e) {
throw new EventAnnotationsException("An error has occured in " + annotationName + " " + method, e);
} catch (InvocationTargetException e) {
if (e.getTargetException() instanceof RuntimeException) {
throw (RuntimeException) e.getTargetException();
} else if (e.getTargetException() instanceof Error) {
throw (Error) e.getTargetException();
}
throw new EventAnnotationsException("An error has occured in " + annotationName + " " + method, e);
}
}
}