private Object newInstance(Class clazz) { ReflectClass classReflector = reflector().forClass(clazz); Object obj = classReflector.newInstance(); if (obj == null) { throw new IllegalArgumentException("No usable constructor for Class " + clazz); } return obj; }
public void testIsNDimensional() { ReflectClass arrayOfArrayOfString = reflectClass(String[][].class); Assert.isTrue(arrayOfArrayOfString.isArray()); final ReflectClass arrayOfString = reflectClass(String[].class); Assert.areSame(arrayOfString, arrayOfArrayOfString.getComponentType()); Assert.isTrue(arrayReflector().isNDimensional(arrayOfArrayOfString)); Assert.isFalse(arrayReflector().isNDimensional(arrayOfString)); }
protected void assertNullItem(Object obj) throws Exception { ReflectClass claxx = reflector().forObject(obj); ReflectField[] fields = claxx.getDeclaredFields(); for (int i = 0; i < fields.length; ++i) { ReflectField field = fields[i]; if (field.isStatic() || field.isTransient()) { continue; } ReflectClass type = field.getFieldType(); if (container().classMetadataForReflectClass(type).isValueType()) { continue; } Object value = field.get(obj); Assert.isNull(value); } }
/** * This is to ensure that reflector.forObject(GenericArray) returns an instance of * GenericArrayClass instead of GenericClass http://tracker.db4o.com/jira/browse/COR-376 */ public void testGenericArrayClass() { ExtObjectContainer oc = fixture().db(); initGenericObjects(); ReflectClass elementType = oc.reflector().forName(PERSON_CLASSNAME); Object array = reflector().array().newInstance(elementType, 5); ReflectClass arrayClass = oc.reflector().forObject(array); Assert.isTrue(arrayClass.isArray()); Assert.isTrue(arrayClass instanceof GenericArrayClass); arrayClass = oc.reflector().forName(array.getClass().getName()); Assert.isTrue(arrayClass.isArray()); Assert.isTrue(arrayClass instanceof GenericArrayClass); arrayClass = oc.reflector().forClass(array.getClass()); Assert.isTrue(arrayClass.isArray()); Assert.isTrue(arrayClass instanceof GenericArrayClass); Assert.areEqual(arrayClass.getName(), ReflectPlatform.fullyQualifiedName(array.getClass())); Assert.areEqual("(GA) " + elementType.getName(), array.toString()); }