private List<IKeyword> getKeywordImplementations() {
String[] keywordClasses = config.getConfigValue("listeners").split(",");
ClassLoader cloader = this.getClass().getClassLoader();
List<Class<?>> listenerClasses = new ArrayList<Class<?>>();
List<IKeyword> keywordClsObjs = new ArrayList<IKeyword>();
for (String keywordClass : keywordClasses) {
try {
Class<?> cls = cloader.loadClass(keywordClass);
listenerClasses.add(cls);
} catch (ClassNotFoundException e) {
throw new KeywordException(
"Unable to find class with name as mentione in listner property: "
+ keywordClass
+ " Make sure the class is present in the classpath.");
}
}
for (Class<?> cls : listenerClasses) {
if (IKeyword.class.isAssignableFrom(cls)) {
IKeyword obj = null;
try {
Constructor<?> constructor = cls.getConstructor(WebDriver.class);
obj = (IKeyword) constructor.newInstance(this.driver);
} catch (IllegalAccessException
| InstantiationException
| SecurityException
| NoSuchMethodException
| IllegalArgumentException
| InvocationTargetException e) {
throw new KeywordException(
"Unable to find a constructor that accepts the WebDriver object for the keyword class:"
+ cls.getName());
}
if (obj != null) {
keywordClsObjs.add(obj);
}
}
}
return keywordClsObjs;
}
/**
* Factory class to identify the Keyword implementation classes that implement the <code>IKeyword
* </code> interface and execute the keywords with respective arguments.
*
* @author Varun Menon
*/
public class KeywordFactory {
DefaultConfig config = DefaultConfig.getDefaultConfig();
List<IKeyword> keywordClassObjects;
WebDriver driver;
public KeywordFactory(WebDriver driver) {
this.driver = driver;
this.keywordClassObjects = getKeywordImplementations();
}
private List<IKeyword> getKeywordImplementations() {
String[] keywordClasses = config.getConfigValue("listeners").split(",");
ClassLoader cloader = this.getClass().getClassLoader();
List<Class<?>> listenerClasses = new ArrayList<Class<?>>();
List<IKeyword> keywordClsObjs = new ArrayList<IKeyword>();
for (String keywordClass : keywordClasses) {
try {
Class<?> cls = cloader.loadClass(keywordClass);
listenerClasses.add(cls);
} catch (ClassNotFoundException e) {
throw new KeywordException(
"Unable to find class with name as mentione in listner property: "
+ keywordClass
+ " Make sure the class is present in the classpath.");
}
}
for (Class<?> cls : listenerClasses) {
if (IKeyword.class.isAssignableFrom(cls)) {
IKeyword obj = null;
try {
Constructor<?> constructor = cls.getConstructor(WebDriver.class);
obj = (IKeyword) constructor.newInstance(this.driver);
} catch (IllegalAccessException
| InstantiationException
| SecurityException
| NoSuchMethodException
| IllegalArgumentException
| InvocationTargetException e) {
throw new KeywordException(
"Unable to find a constructor that accepts the WebDriver object for the keyword class:"
+ cls.getName());
}
if (obj != null) {
keywordClsObjs.add(obj);
}
}
}
return keywordClsObjs;
}
/**
* Keyword executor method, finds the supporting keyword implementation class and execute the said
* keyword using the arguments passed.
*
* @param keyword Keyword to be executed
* @param args Arguments that needs to be used to execute the particular keyword
*/
public void executeKeyword(String keyword, Object[] args) {
boolean executed = false;
for (IKeyword keywordCls : keywordClassObjects) {
boolean supported = keywordCls.isSupported(keyword, args);
if (supported) {
keywordCls.execute(keyword, args);
executed = true;
}
}
if (!executed) {
throw new KeywordException(
"Unable to find any keyword class that support keyword: \""
+ keyword
+ "\" and arguments: \""
+ args
+ "\".");
}
}
}