/**
* Assert that the given object is lenient equals by ignoring null fields value on other object.
*
* @param info contains information about the assertion.
* @param actual the given object.
* @param other the object to compare {@code actual} to.
* @throws NullPointerException if the actual type is {@code null}.
* @throws NullPointerException if the other type is {@code null}.
* @throws AssertionError if the actual and the given object are not lenient equals.
* @throws AssertionError if the other object is not an instance of the actual type.
*/
public <A> void assertIsLenientEqualsToByIgnoringNullFields(
AssertionInfo info, A actual, A other) {
assertIsInstanceOf(info, other, actual.getClass());
List<String> fieldsNames = new LinkedList<String>();
List<Object> values = new LinkedList<Object>();
List<String> nullFields = new LinkedList<String>();
for (Field field : actual.getClass().getDeclaredFields()) {
try {
Object otherFieldValue =
propertySupport.propertyValue(field.getName(), field.getType(), other);
if (otherFieldValue != null) {
Object actualFieldValue =
propertySupport.propertyValue(field.getName(), field.getType(), actual);
if (!otherFieldValue.equals(actualFieldValue)) {
fieldsNames.add(field.getName());
values.add(otherFieldValue);
}
} else {
nullFields.add(field.getName());
}
} catch (IntrospectionError e) {
// Not readeable field, skip.
}
}
if (fieldsNames.isEmpty()) return;
throw failures.failure(
info, shouldBeLenientEqualByIgnoring(actual, fieldsNames, values, nullFields));
}
/**
* Assert that the given object is lenient equals by ignoring fields.
*
* @param info contains information about the assertion.
* @param actual the given object.
* @param other the object to compare {@code actual} to.
* @param fields the fields to ignore in comparison
* @throws NullPointerException if the actual type is {@code null}.
* @throws NullPointerException if the other type is {@code null}.
* @throws AssertionError if the actual and the given object are not lenient equals.
* @throws AssertionError if the other object is not an instance of the actual type.
*/
public <A> void assertIsLenientEqualsToByIgnoringFields(
AssertionInfo info, A actual, A other, String... fields) {
assertIsInstanceOf(info, other, actual.getClass());
List<String> fieldsNames = new LinkedList<String>();
List<Object> expectedValues = new LinkedList<Object>();
Set<String> ignoredFields = set(fields);
for (Field field : actual.getClass().getDeclaredFields()) {
try {
if (!ignoredFields.contains(field.getName())) {
String fieldName = field.getName();
Object actualFieldValue = propertySupport.propertyValue(fieldName, Object.class, actual);
Object otherFieldValue = propertySupport.propertyValue(fieldName, Object.class, other);
if (!org.fest.util.Objects.areEqual(actualFieldValue, otherFieldValue)) {
fieldsNames.add(fieldName);
expectedValues.add(otherFieldValue);
}
}
} catch (IntrospectionError e) {
// Not readeable field, skip.
}
}
if (fieldsNames.isEmpty()) return;
throw failures.failure(
info, shouldBeLenientEqualByIgnoring(actual, fieldsNames, expectedValues, list(fields)));
}
public void initialize(A constraint) {
this.constraint = constraint;
try {
Method fpmethod = constraint.getClass().getDeclaredMethod("fieldPath", null);
fieldPath = (String) fpmethod.invoke(constraint, null);
Method gmethod = constraint.getClass().getDeclaredMethod("groups", null);
groups = (Class[]) gmethod.invoke(constraint, null);
} catch (Exception e) {
// do nothing
}
}
/**
* Checks whether a given annotation is a multi value constraint and returns the contained
* constraints if so.
*
* @param annotation the annotation to check.
* @return A list of constraint annotations or the empty list if <code>annotation</code> is not a
* multi constraint annotation.
*/
public <A extends Annotation> List<Annotation> getMultiValueConstraints(A annotation) {
List<Annotation> annotationList = new ArrayList<Annotation>();
try {
final GetMethod getMethod = GetMethod.action(annotation.getClass(), "value");
final Method method;
if (System.getSecurityManager() != null) {
method = AccessController.doPrivileged(getMethod);
} else {
method = getMethod.run();
}
if (method != null) {
Class returnType = method.getReturnType();
if (returnType.isArray() && returnType.getComponentType().isAnnotation()) {
Annotation[] annotations = (Annotation[]) method.invoke(annotation);
for (Annotation a : annotations) {
if (isConstraintAnnotation(a) || isBuiltinConstraint(a.annotationType())) {
annotationList.add(a);
}
}
}
}
} catch (IllegalAccessException iae) {
// ignore
} catch (InvocationTargetException ite) {
// ignore
}
return annotationList;
}
protected final <A extends Annotation> void assertAnnotation(
PropertyInfo<?, ?> property,
Class<A> annotationClass,
Map<String, Object> expectedAnnotation) {
A ann1 = property.getAnnotation(annotationClass);
assertNotNull(ann1);
Map<String, Object> values = new HashMap<String, Object>();
for (Method m : ann1.getClass().getDeclaredMethods()) {
if (m.getName().equals("equals")
&& m.getParameterTypes().length == 1
&& m.getParameterTypes()[0] == Object.class) {
continue;
}
if (m.getName().equals("hashCode") && m.getParameterTypes().length == 0) {
continue;
}
if (m.getName().equals("toString") && m.getParameterTypes().length == 0) {
continue;
}
if (m.getName().equals("annotationType") && m.getParameterTypes().length == 0) {
continue;
}
try {
Object value = m.invoke(ann1);
values.put(m.getName(), value);
} catch (Exception e) {
AssertionFailedError afe =
new AssertionFailedError("Could not invoke annotation value " + m);
afe.initCause(e);
throw afe;
}
}
assertEquals(expectedAnnotation, values);
}
public static void main(String[] args) throws Exception {
A a = InnerA.makeA();
a.f();
System.out.println(a.getClass().getName());
// Reflection still gets into the private class:
HiddenImplementation.callHiddenMethod(a, "g");
HiddenImplementation.callHiddenMethod(a, "u");
HiddenImplementation.callHiddenMethod(a, "v");
HiddenImplementation.callHiddenMethod(a, "w");
}
@Override
public void write(DataOutput out) throws IOException {
// Serialize class names of each non-null field
final ClassIndex index = new ClassIndex();
if (fst != null) index.addClass(fst.getClass());
if (snd != null) index.addClass(snd.getClass());
index.write(out);
// Indicate which fields are null
out.writeByte((fst == null ? FST_NULL : NOT_NULL) | (snd == null ? SND_NULL : NOT_NULL));
// Serialize each non-null field
if (fst != null) {
out.writeByte(index.getId(fst.getClass()));
fst.write(out);
}
if (snd != null) {
out.writeByte(index.getId(snd.getClass()));
snd.write(out);
}
}
@SuppressWarnings("unchecked")
@Override
public <A extends Action<R>, R extends Result>
ActionHandlerValidatorInstance findActionHandlerValidator(A action) {
ActionHandlerValidatorInstance actionHandlerValidatorInstance =
actionHandlerValidatorInstances.get(action.getClass());
if (actionHandlerValidatorInstance == null) {
ActionHandlerValidatorClass<? extends Action<?>, ? extends Result>
actionHandlerValidatorClass = actionHandlerValidatorClasses.get(action.getClass());
if (actionHandlerValidatorClass != null) {
actionHandlerValidatorInstance = createInstance(actionHandlerValidatorClass);
if (actionHandlerValidatorInstance != null) {
actionHandlerValidatorInstances.put(
(Class<? extends Action<?>>) action.getClass(), actionHandlerValidatorInstance);
}
}
}
return actionHandlerValidatorInstance;
}
public static void main(String[] args) throws Exception {
A a = HiddenC.makeA();
a.f();
System.out.println(a.getClass().getName());
// Compile error: cannot find symbol 'C':
/* if(a instanceof C) {
C c = (C)a;
c.g();
} */
// Oops! Reflection still allows us to call g():
callHiddenMethod(a, "g");
// And even methods that are less accessible!
callHiddenMethod(a, "u");
callHiddenMethod(a, "v");
callHiddenMethod(a, "w");
}
/**
* Assert that the given object is lenient equals to other object by comparing given fields value
* only.
*
* @param info contains information about the assertion.
* @param actual the given object.
* @param other the object to compare {@code actual} to.
* @param fields accepted fields
* @throws NullPointerException if the actual type is {@code null}.
* @throws NullPointerException if the other type is {@code null}.
* @throws AssertionError if the actual and the given object are not lenient equals.
* @throws AssertionError if the other object is not an instance of the actual type.
* @throws IntrospectionError if a field does not exist in actual.
*/
public <A> void assertIsLenientEqualsToByAcceptingFields(
AssertionInfo info, A actual, A other, String... fields) {
assertIsInstanceOf(info, other, actual.getClass());
List<String> rejectedFieldsNames = new LinkedList<String>();
List<Object> expectedValues = new LinkedList<Object>();
for (String fieldName : fields) {
Object actualFieldValue = propertySupport.propertyValue(fieldName, Object.class, actual);
Object otherFieldValue = propertySupport.propertyValue(fieldName, Object.class, other);
if (!(actualFieldValue == otherFieldValue
|| (actualFieldValue != null && actualFieldValue.equals(otherFieldValue)))) {
rejectedFieldsNames.add(fieldName);
expectedValues.add(otherFieldValue);
}
}
if (rejectedFieldsNames.isEmpty()) return;
throw failures.failure(
info,
shouldBeLenientEqualByAccepting(actual, rejectedFieldsNames, expectedValues, list(fields)));
}
public <A extends Action<R>, R extends Result> void execute(
final A action, final AsyncCallback<R> callback) {
String className = action.getClass().getName();
int namePos = className.lastIndexOf('.') + 1;
className = className.substring(namePos);
((ServiceDefTarget) realService).setServiceEntryPoint(baseUrl + className);
realService.execute(
action,
new AsyncCallback<Result>() {
public void onFailure(Throwable caught) {
callback.onFailure(caught);
}
@SuppressWarnings("unchecked")
public void onSuccess(Result result) {
callback.onSuccess((R) result);
}
});
}
@SuppressWarnings("unchecked")
public final <A> A getFirst(String key, A defaultValue) {
String value = getFirst(key);
if (value == null) {
return defaultValue;
}
Class<A> type = (Class<A>) defaultValue.getClass();
Constructor<A> c = null;
try {
c = type.getConstructor(String.class);
} catch (Exception ex) {
throw new IllegalArgumentException(type.getName() + " has no String constructor", ex);
}
A retVal = defaultValue;
try {
retVal = c.newInstance(value);
} catch (Exception ex) {
}
return retVal;
}
@SuppressWarnings("unchecked")
private <A extends Accessible> A findAccessible(String acc, A newObject) {
return (A) accessibleDao.find(acc, newObject.getClass());
}
@Override
public boolean isDefinedAt(A a) {
return (clazz.equals(a.getClass())) && guard.test(a);
}
