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Java client for Appium Mobile Webdriver
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
* 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 io.appium.java_client.pagefactory;
import static java.lang.Integer.signum;
import static java.util.Arrays.asList;
import static java.util.Optional.ofNullable;
import io.appium.java_client.pagefactory.bys.ContentMappedBy;
import io.appium.java_client.pagefactory.bys.ContentType;
import io.appium.java_client.pagefactory.bys.builder.AppiumByBuilder;
import io.appium.java_client.pagefactory.bys.builder.ByAll;
import io.appium.java_client.pagefactory.bys.builder.ByChained;
import io.appium.java_client.pagefactory.bys.builder.HowToUseSelectors;
import org.openqa.selenium.By;
import org.openqa.selenium.support.ByIdOrName;
import org.openqa.selenium.support.CacheLookup;
import org.openqa.selenium.support.FindAll;
import org.openqa.selenium.support.FindBy;
import org.openqa.selenium.support.FindBys;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
public class DefaultElementByBuilder extends AppiumByBuilder {
private static final String PRIORITY = "priority";
private static final String VALUE = "value";
private static final Class[] ANNOTATION_ARGUMENTS = new Class[]{};
private static final Object[] ANNOTATION_PARAMETERS = new Object[]{};
public DefaultElementByBuilder(String platform, String automation) {
super(platform, automation);
}
private static void checkDisallowedAnnotationPairs(Annotation a1, Annotation a2)
throws IllegalArgumentException {
if (a1 != null && a2 != null) {
throw new IllegalArgumentException(
"If you use a '@" + a1.getClass().getSimpleName() + "' annotation, "
+ "you must not also use a '@" + a2.getClass().getSimpleName()
+ "' annotation");
}
}
private static By buildMobileBy(LocatorGroupStrategy locatorGroupStrategy, By[] bys) {
if (bys.length == 0) {
return null;
}
LocatorGroupStrategy strategy = ofNullable(locatorGroupStrategy)
.orElse(LocatorGroupStrategy.CHAIN);
if (strategy.equals(LocatorGroupStrategy.ALL_POSSIBLE)) {
return new ByAll(bys);
}
return new ByChained(bys);
}
@Override
protected void assertValidAnnotations() {
AnnotatedElement annotatedElement = annotatedElementContainer.getAnnotated();
FindBy findBy = annotatedElement.getAnnotation(FindBy.class);
FindBys findBys = annotatedElement.getAnnotation(FindBys.class);
checkDisallowedAnnotationPairs(findBy, findBys);
FindAll findAll = annotatedElement.getAnnotation(FindAll.class);
checkDisallowedAnnotationPairs(findBy, findAll);
checkDisallowedAnnotationPairs(findBys, findAll);
}
@Override
protected By buildDefaultBy() {
AnnotatedElement annotatedElement = annotatedElementContainer.getAnnotated();
By defaultBy = null;
FindBy findBy = annotatedElement.getAnnotation(FindBy.class);
if (findBy != null) {
defaultBy = new FindBy.FindByBuilder().buildIt(findBy, (Field) annotatedElement);
}
if (defaultBy == null) {
FindBys findBys = annotatedElement.getAnnotation(FindBys.class);
if (findBys != null) {
defaultBy = new FindBys.FindByBuilder().buildIt(findBys, (Field) annotatedElement);
}
}
if (defaultBy == null) {
FindAll findAll = annotatedElement.getAnnotation(FindAll.class);
if (findAll != null) {
defaultBy = new FindAll.FindByBuilder().buildIt(findAll, (Field) annotatedElement);
}
}
return defaultBy;
}
private By[] getBys(Class singleLocator, Class chainedLocator,
Class allLocator) {
AnnotationComparator comparator = new AnnotationComparator();
AnnotatedElement annotatedElement = annotatedElementContainer.getAnnotated();
List annotations = new ArrayList<>(asList(annotatedElement.getAnnotationsByType(singleLocator)));
annotations.addAll(asList(annotatedElement.getAnnotationsByType(chainedLocator)));
annotations.addAll(asList(annotatedElement.getAnnotationsByType(allLocator)));
annotations.sort(comparator);
List result = new ArrayList<>();
for (Annotation a : annotations) {
Class annotationClass = a.annotationType();
if (singleLocator.equals(annotationClass)) {
result.add(createBy(new Annotation[]{a}, HowToUseSelectors.USE_ONE));
continue;
}
Method value;
Annotation[] subLocators;
try {
value = annotationClass.getMethod(VALUE, ANNOTATION_ARGUMENTS);
subLocators = (Annotation[]) value.invoke(a, ANNOTATION_PARAMETERS);
} catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
throw new ClassCastException(String.format("The annotation '%s' has no convenient '%s' method which "
+ "returns array of annotations", annotationClass.getName(), VALUE));
}
Arrays.sort(subLocators, comparator);
if (chainedLocator.equals(annotationClass)) {
result.add(createBy(subLocators, HowToUseSelectors.BUILD_CHAINED));
continue;
}
if (allLocator.equals(annotationClass)) {
result.add(createBy(subLocators, HowToUseSelectors.USE_ANY));
}
}
return result.toArray(new By[result.size()]);
}
@Override
protected By buildMobileNativeBy() {
AnnotatedElement annotatedElement = annotatedElementContainer.getAnnotated();
HowToUseLocators howToUseLocators = annotatedElement.getAnnotation(HowToUseLocators.class);
Optional howToUseLocatorsOptional = ofNullable(howToUseLocators);
By result = null;
if (isSelendroidAutomation()) {
result = buildMobileBy(howToUseLocatorsOptional
.map(HowToUseLocators::selendroidAutomation).orElse(null),
getBys(SelendroidFindBy.class, SelendroidFindBys.class, SelendroidFindAll.class));
}
if (isAndroid() && result == null) {
return buildMobileBy(howToUseLocatorsOptional.map(HowToUseLocators::androidAutomation).orElse(null),
getBys(AndroidFindBy.class, AndroidFindBys.class, AndroidFindAll.class));
}
if (isIOSXcuit()) {
result = buildMobileBy(howToUseLocatorsOptional.map(HowToUseLocators::iOSXCUITAutomation).orElse(null),
getBys(iOSXCUITFindBy.class, iOSXCUITFindBys.class, iOSXCUITFindAll.class));
}
if (isIOS() && result == null) {
return buildMobileBy(howToUseLocatorsOptional.map(HowToUseLocators::iOSAutomation).orElse(null),
getBys(iOSFindBy.class, iOSFindBys.class, iOSFindAll.class));
}
if (isWindows()) {
return buildMobileBy(howToUseLocatorsOptional.map(HowToUseLocators::windowsAutomation).orElse(null),
getBys(WindowsFindBy.class, WindowsFindBys.class, WindowsFindAll.class));
}
return ofNullable(result).orElse(null);
}
@Override
public boolean isLookupCached() {
AnnotatedElement annotatedElement = annotatedElementContainer.getAnnotated();
return (annotatedElement.getAnnotation(CacheLookup.class) != null);
}
private By returnMappedBy(By byDefault, By nativeAppBy) {
Map contentMap = new HashMap<>();
contentMap.put(ContentType.HTML_OR_DEFAULT, byDefault);
contentMap.put(ContentType.NATIVE_MOBILE_SPECIFIC, nativeAppBy);
return new ContentMappedBy(contentMap);
}
@Override
public By buildBy() {
assertValidAnnotations();
By defaultBy = buildDefaultBy();
By mobileNativeBy = buildMobileNativeBy();
String idOrName = ((Field) annotatedElementContainer.getAnnotated()).getName();
if (defaultBy == null && mobileNativeBy == null) {
defaultBy =
new ByIdOrName(((Field) annotatedElementContainer.getAnnotated()).getName());
mobileNativeBy = new By.ById(idOrName);
return returnMappedBy(defaultBy, mobileNativeBy);
}
if (defaultBy == null) {
defaultBy =
new ByIdOrName(((Field) annotatedElementContainer.getAnnotated()).getName());
return returnMappedBy(defaultBy, mobileNativeBy);
}
if (mobileNativeBy == null) {
mobileNativeBy = defaultBy;
return returnMappedBy(defaultBy, mobileNativeBy);
}
return returnMappedBy(defaultBy, mobileNativeBy);
}
private static class AnnotationComparator implements Comparator {
private static Method getPriorityMethod(Class clazz) {
try {
return clazz.getMethod(PRIORITY, ANNOTATION_ARGUMENTS);
} catch (NoSuchMethodException e) {
throw new ClassCastException(String.format("Class %s has no '%s' method", clazz.getName(), PRIORITY));
}
}
private static int getPriorityValue(Method priorityMethod, Annotation annotation,
Class clazz) {
try {
return (int) priorityMethod.invoke(annotation, ANNOTATION_PARAMETERS);
} catch (IllegalAccessException | InvocationTargetException e) {
throw new IllegalArgumentException(String
.format("It is impossible to get priority. Annotation class: %s", clazz.toString()), e);
}
}
@Override
public int compare(Annotation o1, Annotation o2) {
Class c1 = o1.annotationType();
Class c2 = o2.annotationType();
Method priority1 = getPriorityMethod(c1);
Method priority2 = getPriorityMethod(c2);
int p1 = getPriorityValue(priority1, o1, c1);
int p2 = getPriorityValue(priority2, o2, c2);
return signum(p1 - p2);
}
}
}