protected final boolean isInt(final JakExpression expr) {
Type type = expr.type(this.context);
return type.equals(boolean.class)
|| type.equals(byte.class)
|| type.equals(char.class)
|| type.equals(short.class)
|| type.equals(int.class);
}
/**
* Checks if two types are the same or are equivalent under a variable mapping given in the type
* map that was provided.
*/
private static boolean matches(Type from, Type to, Map<String, Type> typeMap) {
if (to.equals(from)) return true;
if (from instanceof TypeVariable) {
return to.equals(typeMap.get(((TypeVariable<?>) from).getName()));
}
return false;
}
@Test
public void testgeneric5() throws SecurityException, NoSuchMethodException {
System.out.println("==== testgeneric5 ====");
Type map1 = GenericUtils.newMapType(String.class, String.class);
Type map2 = GenericUtils.newMapType(String.class, Object.class);
Type map3 = Map.class;
Type c = GenericUtils.newGenericType(GenericTypeTemplateTest.class, java.sql.Date.class);
ClassEx cw = new ClassEx(c);
MethodEx method = cw.getFirstMethodByName("test4");
System.out.println(map1.equals(method.getGenericParameterTypes()[0]));
System.out.println(map2.equals(method.getGenericReturnType()));
}
/*
* Don't consider parameter types that are available after conversion.
* Message, Message<?> and Channel.
*/
private boolean isEligibleParameter(MethodParameter methodParameter) {
Type parameterType = methodParameter.getGenericParameterType();
if (parameterType.equals(Channel.class)
|| parameterType.equals(org.springframework.amqp.core.Message.class)) {
return false;
}
if (parameterType instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) parameterType;
if (parameterizedType.getRawType().equals(Message.class)) {
return !(parameterizedType.getActualTypeArguments()[0] instanceof WildcardType);
}
}
return !parameterType.equals(Message.class); // could be Message without a generic type
}
/**
* Deserialize response body to Java object, according to the return type and the Content-Type
* response header.
*
* @param <T> Type
* @param response HTTP response
* @param returnType The type of the Java object
* @return The deserialized Java object
* @throws ApiException If fail to deserialize response body, i.e. cannot read response body or
* the Content-Type of the response is not supported.
*/
@SuppressWarnings("unchecked")
public <T> T deserialize(Response response, Type returnType) throws ApiException {
if (response == null || returnType == null) {
return null;
}
if ("byte[]".equals(returnType.toString())) {
// Handle binary response (byte array).
try {
return (T) response.body().bytes();
} catch (IOException e) {
throw new ApiException(e);
}
} else if (returnType.equals(File.class)) {
// Handle file downloading.
return (T) downloadFileFromResponse(response);
}
String respBody;
try {
if (response.body() != null) respBody = response.body().string();
else respBody = null;
} catch (IOException e) {
throw new ApiException(e);
}
if (respBody == null || "".equals(respBody)) {
return null;
}
String contentType = response.headers().get("Content-Type");
if (contentType == null) {
// ensuring a default content type
contentType = "application/json";
}
if (isJsonMime(contentType)) {
return json.deserialize(respBody, returnType);
} else if (returnType.equals(String.class)) {
// Expecting string, return the raw response body.
return (T) respBody;
} else {
throw new ApiException(
"Content type \"" + contentType + "\" is not supported for type: " + returnType,
response.code(),
response.headers().toMultimap(),
respBody);
}
}
/**
* Get all elements in scope of type
*
* @param type Class we are looking for
* @return List of VariableReferences
*/
public List<VariableReference> getElements(Type type) {
List<VariableReference> refs = new ArrayList<VariableReference>();
for (Entry<VariableReference, Object> entry : pool.entrySet()) {
if (type.equals(entry.getKey().getType())
|| (entry.getValue() != null && type.equals(entry.getValue().getClass()))) {
refs.add(entry.getKey());
}
}
/*
* for(VariableReference ref : pool.keySet()) {
*
* // TODO: Exact match because it is used for comparison only at the
* moment if(ref.getType().equals(type)) refs.add(ref); }
*/
return refs;
}
@Override
public Injectable<?> getInjectable(ComponentContext ctx, RequestUser ruAnnotation, Type type) {
if (type.equals(String.class)) {
return this;
}
return null;
}
private static int checkParameterizedType(
String subroutineName,
ParameterizedType expectedType,
ArgumentsList arguments,
List<LispObject> args,
int argsCounter,
int i) {
Type rawType = expectedType.getRawType();
Type expectedTypeArguments = expectedType.getActualTypeArguments()[0];
try {
if (((Class) rawType).isInstance(args.get(argsCounter))) {
Type actualTypeArguments =
((ParameterizedType) (Type) args.get(argsCounter).getClass())
.getActualTypeArguments()[0];
if (!expectedTypeArguments.equals(actualTypeArguments)) {
throw new WrongTypeArgumentException(
((Class) rawType).getSimpleName()
+ "<"
+ ((Class) expectedTypeArguments).getSimpleName()
+ ">",
args.get(argsCounter));
}
arguments.setValue(i, args.get(argsCounter));
return argsCounter + 1;
} else {
if (arguments.isOptional(i)) return -1;
throw new WrongTypeArgumentException(expectedType.toString(), args.get(argsCounter));
}
} catch (IndexOutOfBoundsException e) {
if (arguments.isOptional(i)) return -1;
throw new WrongNumberOfArgumentsException(subroutineName, i);
}
}
@Test
public void testgeneric4() throws SecurityException, NoSuchMethodException {
System.out.println("==== testgeneric4 ====");
Type type = GenericUtils.newArrayType(String.class);
System.out.println(type.getClass().getName());
System.out.println("isRawArray:" + GenericUtils.isRawArray(type));
System.out.println("rawType:" + GenericUtils.getRawClass(type));
Class<?> c = new String[0].getClass();
System.out.println(c.getClass().getName());
System.out.println(c.getName());
System.out.println(c);
System.out.println(type.equals(c));
System.out.println("==== testgeneric4b ====");
FieldEx field = BeanUtils.getField(GenericTypeTemplateTest.class, "field1");
System.out.println(field.getType().equals(c));
System.out.println(field.getGenericType().equals(c)); // 当不是泛型时，返回的是class对象
System.out.println(field.getType());
System.out.println(field.getGenericType());
System.out.println(type);
System.out.println(field.getGenericType().equals(type));
System.out.println("==== testgeneric4c ====");
field = BeanUtils.getField(GenericTypeTemplateTest.class, "field2");
System.out.println(field.getType());
System.out.println(field.getGenericType());
type = field.getGenericType();
System.out.println("isRawArray:" + GenericUtils.isRawArray(type));
System.out.println("rawType:" + GenericUtils.getRawClass(type));
System.out.println(GenericUtils.getRawClass(type).equals(field.getType()));
}
public Injectable getInjectable(
final ComponentContext ic, final Context context, final Type type) {
if (type.equals(ApiUrlBuilder.class)) {
return this;
}
return null;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
if (!super.equals(o)) {
return false;
}
NewExpression that = (NewExpression) o;
if (arguments != null ? !arguments.equals(that.arguments) : that.arguments != null) {
return false;
}
if (memberDeclarations != null
? !memberDeclarations.equals(that.memberDeclarations)
: that.memberDeclarations != null) {
return false;
}
if (!type.equals(that.type)) {
return false;
}
return true;
}
protected boolean containsType(Type type) {
for (Type providedType : providedHandlers.keySet()) {
if (providedType.equals(type)) {
return true;
}
}
return false;
}
public static <T> Class<T> getGenericType(Class<?> klass, int index) {
Type genericSuperclass = klass.getGenericSuperclass();
if (genericSuperclass instanceof ParameterizedType)
return (Class<T>)
((ParameterizedType) klass.getGenericSuperclass()).getActualTypeArguments()[index];
if (genericSuperclass.equals(Object.class)) return null;
return getGenericType(klass.getSuperclass(), index);
}
/**
* Checks if the subject type may be implicitly cast to the target parameterized type following
* the Java generics rules.
*
* @param type the subject type to be assigned to the target type
* @param toParameterizedType the target parameterized type
* @return true if <code>type</code> is assignable to <code>toType</code>.
*/
private static boolean isAssignable(
Type type, ParameterizedType toParameterizedType, Map<TypeVariable<?>, Type> typeVarAssigns) {
if (type == null) {
return true;
}
// only a null type can be assigned to null type which
// would have cause the previous to return true
if (toParameterizedType == null) {
return false;
}
// all types are assignable to themselves
if (toParameterizedType.equals(type)) {
return true;
}
// get the target type's raw type
Class<?> toClass = getRawType(toParameterizedType);
// get the subject type's type arguments including owner type arguments
// and supertype arguments up to and including the target class.
Map<TypeVariable<?>, Type> fromTypeVarAssigns = getTypeArguments(type, toClass, null);
// null means the two types are not compatible
if (fromTypeVarAssigns == null) {
return false;
}
// compatible types, but there's no type arguments. this is equivalent
// to comparing Map< ?, ? > to Map, and raw types are always assignable
// to parameterized types.
if (fromTypeVarAssigns.isEmpty()) {
return true;
}
// get the target type's type arguments including owner type arguments
Map<TypeVariable<?>, Type> toTypeVarAssigns =
getTypeArguments(toParameterizedType, toClass, typeVarAssigns);
// now to check each type argument
for (Map.Entry<TypeVariable<?>, Type> entry : toTypeVarAssigns.entrySet()) {
Type toTypeArg = entry.getValue();
Type fromTypeArg = fromTypeVarAssigns.get(entry.getKey());
// parameters must either be absent from the subject type, within
// the bounds of the wildcard type, or be an exact match to the
// parameters of the target type.
if (fromTypeArg != null
&& !toTypeArg.equals(fromTypeArg)
&& !(toTypeArg instanceof WildcardType
&& isAssignable(fromTypeArg, toTypeArg, typeVarAssigns))) {
return false;
}
}
return true;
}
protected Type rightTypeToGet(Type type) {
for (Type providedType : providedHandlers.keySet()) {
if (providedType.equals(type)) {
return providedType;
}
}
// Did not work...
return type;
}
/** Returns true if {@code a} and {@code b} are equal. */
public static boolean equals(Type a, Type b) {
if (a == b) {
// also handles (a == null && b == null)
return true;
} else if (a instanceof Class) {
// Class already specifies equals().
return a.equals(b);
} else if (a instanceof ParameterizedType) {
if (!(b instanceof ParameterizedType)) {
return false;
}
// TODO: save a .clone() call
ParameterizedType pa = (ParameterizedType) a;
ParameterizedType pb = (ParameterizedType) b;
return equal(pa.getOwnerType(), pb.getOwnerType())
&& pa.getRawType().equals(pb.getRawType())
&& Arrays.equals(pa.getActualTypeArguments(), pb.getActualTypeArguments());
} else if (a instanceof GenericArrayType) {
if (!(b instanceof GenericArrayType)) {
return false;
}
GenericArrayType ga = (GenericArrayType) a;
GenericArrayType gb = (GenericArrayType) b;
return equals(ga.getGenericComponentType(), gb.getGenericComponentType());
} else if (a instanceof WildcardType) {
if (!(b instanceof WildcardType)) {
return false;
}
WildcardType wa = (WildcardType) a;
WildcardType wb = (WildcardType) b;
return Arrays.equals(wa.getUpperBounds(), wb.getUpperBounds())
&& Arrays.equals(wa.getLowerBounds(), wb.getLowerBounds());
} else if (a instanceof TypeVariable) {
if (!(b instanceof TypeVariable)) {
return false;
}
TypeVariable<?> va = (TypeVariable<?>) a;
TypeVariable<?> vb = (TypeVariable<?>) b;
return va.getGenericDeclaration() == vb.getGenericDeclaration()
&& va.getName().equals(vb.getName());
} else {
// This isn't a type we support. Could be a generic array type,
// wildcard type, etc.
return false;
}
}
public static Class<?> getParamType(Type type, int i) {
if (type.equals(Object.class)) return Object.class;
ParameterizedType aType = (ParameterizedType) type;
Object typeArg = aType.getActualTypeArguments()[i];
if (typeArg.getClass().equals(Class.class)) {
return (Class<?>) typeArg;
} else {
ParameterizedType subType = (ParameterizedType) typeArg;
return (Class<?>) subType.getRawType();
}
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
JavaType other = (JavaType) obj;
if (type == null) {
if (other.type != null) return false;
} else if (!type.equals(other.type)) return false;
return true;
}
public void outject(@Observes MethodExecuted event, Result result, MethodInfo methodInfo) {
Type returnType = event.getMethodReturnType();
if (!returnType.equals(Void.TYPE)) {
String name = extractor.nameFor(returnType);
Object value = methodInfo.getResult();
logger.debug("outjecting {}={}", name, value);
result.include(name, value);
}
}
/**
* Method to test equality.
*
* @return true if this object is logically equal to the specified object, false otherwise.
*/
@Override
public boolean equals(Object o) {
if (o == this) {
return true;
}
if (!(o instanceof TypeToken<?>)) {
return false;
}
TypeToken<?> t = (TypeToken<?>) o;
return type.equals(t.type);
}
private boolean shouldTypeBeAdded(final Type t2, final ParameterizedType parameterizedType) {
if (!(t2 instanceof TypeVariable)) {
return true;
}
TypeVariable<?> typeVariable = (TypeVariable<?>) t2;
final Type[] bounds = typeVariable.getBounds();
for (Type bound : bounds) {
if (bound instanceof ParameterizedType && bound.equals(parameterizedType)) {
return false;
}
}
return true;
}
static boolean equivalentTypes(
Type a, Class ac, Annotations aAnnotations, Type b, Class bc, Annotations bAnnotations) {
if (a.equals(b)) {
return true;
}
int as = getIntegralSize(a, ac, aAnnotations);
int bs = getIntegralSize(b, bc, bAnnotations);
// System.out.println("a = " + a + ", b = " + b + ", as = " + as + ", bs = " + bs + ", equiv = "
// + (as != -1 && as == bs));
return as != -1 && as == bs;
}
private static boolean isParameterizedTypeAssignable(
ParameterizedType supertype, ParameterizedType type) {
Type rawSupertype = supertype.getRawType();
Type rawType = type.getRawType();
if (!rawSupertype.equals(rawType)) {
// short circuit when class raw types are unassignable
if (rawSupertype instanceof Class<?>
&& rawType instanceof Class<?>
&& !(((Class<?>) rawSupertype).isAssignableFrom((Class<?>) rawType))) {
return false;
}
return isSuperAssignable(supertype, type);
}
Type[] supertypeArgs = supertype.getActualTypeArguments();
Type[] typeArgs = type.getActualTypeArguments();
if (supertypeArgs.length != typeArgs.length) {
return false;
}
for (int i = 0; i < supertypeArgs.length; i++) {
Type supertypeArg = supertypeArgs[i];
Type typeArg = typeArgs[i];
if (supertypeArg instanceof WildcardType) {
if (!isWildcardTypeAssignable((WildcardType) supertypeArg, typeArg)) {
return false;
}
} else if (!supertypeArg.equals(typeArg)) {
return false;
}
}
return true;
}
/**
* 当一个类使用<T,K>来定义泛型时,本方法返回类的一个字段的具体类型。
*
* @param me
* @param field
* @return
*/
public static Type getFieldType(Mirror<?> me, Field field) {
Type type = field.getGenericType();
Type[] types = me.getGenericsTypes();
if (type instanceof TypeVariable && types != null && types.length > 0) {
Type[] tvs = me.getType().getTypeParameters();
for (int i = 0; i < tvs.length; i++) {
if (type.equals(tvs[i])) {
type = me.getGenericsType(i);
break;
}
}
}
return type;
}
/**
* @param types - Array of types to resolve. The unresolved type is replaced in the array with the
* resolved type.
* @param containingType - the shallowest type in the hierarchy where type is defined.
* @return true if any of the types were resolved.
*/
private static boolean resolve(Type[] types, Type containingType) {
boolean modified = false;
for (int i = 0; i < types.length; ++i) {
Type t = types[i];
if (!(t instanceof Class)) {
modified = true;
final Type resolved = resolve(t, containingType);
if (!resolved.equals(t)) {
types[i] = resolved;
modified = true;
}
}
}
return modified;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof ResolutionKey)) {
return false;
}
ResolutionKey other = (ResolutionKey) o;
// Object identity comparison intentional
if (domainObject != other.domainObject) {
return false;
}
if (!requestedType.equals(other.requestedType)) {
return false;
}
return true;
}
public static List<Class> findAllClasses(Class superclass, String... packages)
throws IOException, ClassNotFoundException {
List<Class> result = new ArrayList<Class>();
for (String packge : packages) {
List<Class> l = Utils.getClassesForPackage(packge);
for (Class c : l) {
String className = c.getName();
Type type = Class.forName(className).getGenericSuperclass();
if (type != null && (type.equals(superclass) || result.contains(type))) {
Class classClass = Class.forName(className).asSubclass(superclass);
result.add(classClass);
}
}
}
return result;
}
private static Type[] getParamType(Class<?> cls, Class<?> matchRawType) {
Type[] gis = cls.getGenericInterfaces();
for (int i = 0; i < gis.length; i++) {
Type type = gis[i];
if (type instanceof ParameterizedType) {
ParameterizedType paramType = (ParameterizedType) type;
Type rawType = paramType.getRawType();
if (rawType.equals(matchRawType)) {
return paramType.getActualTypeArguments();
}
}
}
return null;
}
/**
* Creates {@link TypeInformation} for the given {@link Type}.
*
* @param fieldType the field type
* @return the type information
*/
@SuppressWarnings({"rawtypes", "unchecked"})
protected TypeInformation<?> createInfo(Type fieldType) {
if (fieldType.equals(this.type)) {
return this;
}
if (fieldType instanceof Class) {
return new ClassTypeInformation((Class<?>) fieldType);
}
Map<TypeVariable, Type> variableMap =
GenericTypeResolver.getTypeVariableMap(resolveType(fieldType));
if (fieldType instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) fieldType;
return new ParameterizedTypeInformation(parameterizedType, this);
}
if (fieldType instanceof TypeVariable) {
TypeVariable<?> variable = (TypeVariable<?>) fieldType;
return new TypeVariableTypeInformation(variable, type, this, variableMap);
}
if (fieldType instanceof GenericArrayType) {
return new GenericArrayTypeInformation((GenericArrayType) fieldType, this);
}
if (fieldType instanceof WildcardType) {
WildcardType wildcardType = (WildcardType) fieldType;
Type[] bounds = wildcardType.getLowerBounds();
if (bounds.length > 0) {
return createInfo(bounds[0]);
}
bounds = wildcardType.getUpperBounds();
if (bounds.length > 0) {
return createInfo(bounds[0]);
}
}
throw new IllegalArgumentException();
}
private boolean matchesArgs(Type[] parameterTypes, Annotation[][] anns, int offset) {
int totalArgs = offset;
for (int i = 0, n = templateArguments == null ? 0 : templateArguments.length; i < n; i++) {
if (totalArgs >= parameterTypes.length) {
return false;
}
Type paramType = parameterTypes[offset + i];
TemplateArg arg = templateArguments[i];
if (arg instanceof TypeRef) {
if (!paramType.equals(Class.class)) {
return false;
}
} else if (arg instanceof Constant) {
try {
getTypeClass(paramType).cast(((Constant) arg).value);
} catch (ClassCastException ex) {
return false;
}
}
totalArgs++;
}
for (int i = 0, n = paramTypes == null ? 0 : paramTypes.length; i < n; i++) {
if (totalArgs >= parameterTypes.length) {
return false;
}
TypeRef paramType = paramTypes[i];
Type parameterType = parameterTypes[totalArgs];
if (!paramType.matches(parameterType, annotations(anns == null ? null : anns[i]))) {
return false;
}
totalArgs++;
}
if (totalArgs != parameterTypes.length) {
BridJ.error("Not enough args for " + this);
return false;
}
return true;
}
