private Object newInstance(Class type) {
try {
return type.newInstance();
} catch (Exception ex) {
try {
// Try a private constructor.
Constructor constructor = type.getDeclaredConstructor();
constructor.setAccessible(true);
return constructor.newInstance();
} catch (SecurityException ignored) {
} catch (NoSuchMethodException ignored) {
if (type.isArray())
throw new SerializationException(
"Encountered JSON object when expected array of type: " + type.getName(), ex);
else if (type.isMemberClass() && !Modifier.isStatic(type.getModifiers()))
throw new SerializationException(
"Class cannot be created (non-static member class): " + type.getName(), ex);
else
throw new SerializationException(
"Class cannot be created (missing no-arg constructor): " + type.getName(), ex);
} catch (Exception privateConstructorException) {
ex = privateConstructorException;
}
throw new SerializationException(
"Error constructing instance of class: " + type.getName(), ex);
}
}
/**
* Uses reflection to fill public fields and optionally Bean properties of the target object from
* the source Map.
*/
public static Object fill(Object target, Map<String, Object> source, boolean useProperties)
throws IntrospectionException, IllegalAccessException, InvocationTargetException {
if (useProperties) {
BeanInfo info = Introspector.getBeanInfo(target.getClass());
PropertyDescriptor[] props = info.getPropertyDescriptors();
for (int i = 0; i < props.length; ++i) {
PropertyDescriptor prop = props[i];
String name = prop.getName();
Method setter = prop.getWriteMethod();
if (setter != null && !Modifier.isStatic(setter.getModifiers())) {
// System.out.println(target + " " + name + " <- " + source.get(name));
setter.invoke(target, new Object[] {source.get(name)});
}
}
}
Field[] ff = target.getClass().getDeclaredFields();
for (int i = 0; i < ff.length; ++i) {
Field field = ff[i];
int fieldMod = field.getModifiers();
if (Modifier.isPublic(fieldMod)
&& !(Modifier.isFinal(fieldMod) || Modifier.isStatic(fieldMod))) {
// System.out.println(target + " " + field.getName() + " := " +
// source.get(field.getName()));
try {
field.set(target, source.get(field.getName()));
} catch (IllegalArgumentException iae) {
// no special error processing required
}
}
}
return target;
}
@Test
public void checkThatOtherMethodsAreNonStatic() throws NoSuchMethodException {
Method spin = Earth.class.getDeclaredMethod("spin");
assertFalse("Method spin() should not be static", Modifier.isStatic(spin.getModifiers()));
Method warmUp = Earth.class.getDeclaredMethod("warmUp");
assertFalse("Method warmUp() should not be static", Modifier.isStatic(warmUp.getModifiers()));
}
public static Object invokeControllerMethod(Method method, Object[] forceArgs) throws Exception {
if (Modifier.isStatic(method.getModifiers())
&& !method.getDeclaringClass().getName().matches("^controllers\\..*\\$class$")) {
return invoke(
method, null, forceArgs == null ? getActionMethodArgs(method, null) : forceArgs);
} else if (Modifier.isStatic(method.getModifiers())) {
Object[] args = getActionMethodArgs(method, null);
args[0] = Http.Request.current().controllerClass.getDeclaredField("MODULE$").get(null);
return invoke(method, null, args);
} else {
Object instance = null;
try {
instance = method.getDeclaringClass().getDeclaredField("MODULE$").get(null);
} catch (Exception e) {
Annotation[] annotations = method.getDeclaredAnnotations();
String annotation = Utils.getSimpleNames(annotations);
if (!StringUtils.isEmpty(annotation)) {
throw new UnexpectedException(
"Method public static void "
+ method.getName()
+ "() annotated with "
+ annotation
+ " in class "
+ method.getDeclaringClass().getName()
+ " is not static.");
}
// TODO: Find a better error report
throw new ActionNotFoundException(Http.Request.current().action, e);
}
return invoke(
method, instance, forceArgs == null ? getActionMethodArgs(method, instance) : forceArgs);
}
}
private void validateClass(Class<?> source, ValidationProblemCollector problems) {
int modifiers = source.getModifiers();
if (Modifier.isInterface(modifiers)) {
problems.add("Must be a class, not an interface");
}
if (source.getEnclosingClass() != null) {
if (Modifier.isStatic(modifiers)) {
if (Modifier.isPrivate(modifiers)) {
problems.add("Class cannot be private");
}
} else {
problems.add("Enclosed classes must be static and non private");
}
}
Constructor<?>[] constructors = source.getDeclaredConstructors();
for (Constructor<?> constructor : constructors) {
if (constructor.getParameterTypes().length > 0) {
problems.add("Cannot declare a constructor that takes arguments");
break;
}
}
Field[] fields = source.getDeclaredFields();
for (Field field : fields) {
int fieldModifiers = field.getModifiers();
if (!field.isSynthetic()
&& !(Modifier.isStatic(fieldModifiers) && Modifier.isFinal(fieldModifiers))) {
problems.add(field, "Fields must be static final.");
}
}
}
public static boolean validClass(Class<?> clazz) {
try {
Method serialize = clazz.getDeclaredMethod("serialize");
if (!serialize.getReturnType().equals(String.class)) {
System.out.println(
"Class '"
+ clazz.getCanonicalName()
+ "' is not serializable because it does not return a String");
return false;
}
if (!Modifier.isPublic(serialize.getModifiers())) {
System.out.println(
"Class '"
+ clazz.getCanonicalName()
+ "' is not serializable because the method 'serialize' is not public");
return false;
}
if (!Modifier.isStatic(serialize.getModifiers())) {
System.out.println(
"Class '"
+ clazz.getCanonicalName()
+ "' is not serializable because the method 'serialize' is static");
return false;
}
Method deserialize = clazz.getDeclaredMethod("deserialize", String.class);
if (!deserialize.getReturnType().equals(clazz)) {
System.out.println(
"Class '"
+ clazz.getCanonicalName()
+ "' is not deserializable because the method 'deserialize' does not return the class '"
+ clazz.getCanonicalName()
+ "'");
return false;
}
if (!Modifier.isStatic(deserialize.getModifiers())) {
System.out.println(
"Class '"
+ clazz.getCanonicalName()
+ "' is not deserializable because the method 'deserialize' is not static");
return false;
}
if (!Modifier.isPublic(deserialize.getModifiers())) {
System.out.println(
"Class '"
+ clazz.getCanonicalName()
+ "' is not deserializable because the method 'deserialize' is not public");
return false;
}
} catch (NoSuchMethodException e) {
System.out.println(
"Class '"
+ clazz.getCanonicalName()
+ "' is not deserializable because the method 'deserialize' is does not have either the serialize and/or deserialize method(s)");
return false;
}
return true;
}
private void analyze(Class<?> cls, boolean topLevel) {
if (!Modifier.isPublic(cls.getModifiers())) {
return;
}
Lookup lookup = MethodHandles.lookup();
if (topLevel) {
this.constructor = new DynamicConstructor(getCoercionMatrix());
Constructor<?>[] constructors = cls.getConstructors();
for (int i = 0; i < constructors.length; ++i) {
try {
this.constructor.addConstructorHandle(lookup.unreflectConstructor(constructors[i]));
} catch (IllegalAccessException e) {
}
}
}
Method[] methods = getTargetClass().getMethods();
for (int i = 0; i < methods.length; ++i) {
int modifiers = methods[i].getModifiers();
if (Modifier.isPublic(modifiers) && Modifier.isStatic(modifiers)) {
analyzeMethod(methods[i]);
}
}
Field[] fields = getTargetClass().getFields();
for (int i = 0; i < fields.length; ++i) {
int modifiers = fields[i].getModifiers();
if (Modifier.isPublic(modifiers) && Modifier.isStatic(modifiers)) {
analyzeField(fields[i]);
}
}
if (cls.getSuperclass() != null) {
analyze(cls.getSuperclass(), false);
}
Class<?>[] interfaces = cls.getInterfaces();
for (int i = 0; i < interfaces.length; ++i) {
analyze(interfaces[i], false);
}
Class<?>[] innerClasses = cls.getDeclaredClasses();
for (int i = 0; i < innerClasses.length; ++i) {
int modifiers = innerClasses[i].getModifiers();
if (Modifier.isPublic(modifiers) && Modifier.isStatic(modifiers)) {
this.propertyReaders.put(
innerClasses[i].getSimpleName(), MethodHandles.constant(Class.class, innerClasses[i]));
}
}
}
private Method gatherAnnotations(Class<?> clazz) throws Exception {
Method factoryMethod = null;
for (Method m : clazz.getDeclaredMethods()) {
for (Annotation a : m.getAnnotations()) {
if (modTypeAnnotations.containsKey(a.annotationType())) {
Class<?>[] paramTypes = new Class[] {modTypeAnnotations.get(a.annotationType())};
if (Arrays.equals(m.getParameterTypes(), paramTypes)) {
m.setAccessible(true);
eventMethods.put(modTypeAnnotations.get(a.annotationType()), m);
} else {
FMLLog.log(
getModId(),
Level.SEVERE,
"The mod %s appears to have an invalid method annotation %s. This annotation can only apply to methods with argument types %s -it will not be called",
getModId(),
a.annotationType().getSimpleName(),
Arrays.toString(paramTypes));
}
} else if (a.annotationType().equals(Mod.EventHandler.class)) {
if (m.getParameterTypes().length == 1
&& modAnnotationTypes.containsKey(m.getParameterTypes()[0])) {
m.setAccessible(true);
eventMethods.put((Class<? extends FMLEvent>) m.getParameterTypes()[0], m);
} else {
FMLLog.log(
getModId(),
Level.SEVERE,
"The mod %s appears to have an invalid event annotation %s. This annotation can only apply to methods with recognized event arguments - it will not be called",
getModId(),
a.annotationType().getSimpleName());
}
} else if (a.annotationType().equals(Mod.InstanceFactory.class)) {
if (Modifier.isStatic(m.getModifiers())
&& m.getParameterTypes().length == 0
&& factoryMethod == null) {
m.setAccessible(true);
factoryMethod = m;
} else if (!(Modifier.isStatic(m.getModifiers()) && m.getParameterTypes().length == 0)) {
FMLLog.log(
getModId(),
Level.SEVERE,
"The InstanceFactory annotation can only apply to a static method, taking zero arguments - it will be ignored on %s(%s)",
m.getName(),
Arrays.asList(m.getParameterTypes()));
} else if (factoryMethod != null) {
FMLLog.log(
getModId(),
Level.SEVERE,
"The InstanceFactory annotation can only be used once, the application to %s(%s) will be ignored",
m.getName(),
Arrays.asList(m.getParameterTypes()));
}
}
}
}
return factoryMethod;
}
private void autoInjectGetSet(CtClass ctClass) throws Exception {
// hibernate 可能需要 setter/getter 方法，好吧 我们为它添加这些方法
for (CtField ctField : ctClass.getDeclaredFields()) {
if (isFinal(ctField) || isStatic(ctField) || ctField.hasAnnotation(Validate.class)) continue;
// Property name
String propertyName =
ctField.getName().substring(0, 1).toUpperCase() + ctField.getName().substring(1);
String getter = "get" + propertyName;
String setter = "set" + propertyName;
try {
CtMethod ctMethod = ctClass.getDeclaredMethod(getter);
if (ctMethod.getParameterTypes().length > 0 || Modifier.isStatic(ctMethod.getModifiers())) {
throw new NotFoundException("it's not a getter !");
}
} catch (NotFoundException noGetter) {
String code =
"public "
+ ctField.getType().getName()
+ " "
+ getter
+ "() { return this."
+ ctField.getName()
+ "; }";
CtMethod getMethod = CtMethod.make(code, ctClass);
getMethod.setModifiers(getMethod.getModifiers() | AccessFlag.SYNTHETIC);
ctClass.addMethod(getMethod);
}
try {
CtMethod ctMethod = ctClass.getDeclaredMethod(setter);
if (ctMethod.getParameterTypes().length != 1
|| !ctMethod.getParameterTypes()[0].equals(ctField.getType())
|| Modifier.isStatic(ctMethod.getModifiers())) {
throw new NotFoundException("it's not a setter !");
}
} catch (NotFoundException noSetter) {
CtMethod setMethod =
CtMethod.make(
"public void "
+ setter
+ "("
+ ctField.getType().getName()
+ " value) { this."
+ ctField.getName()
+ " = value; }",
ctClass);
setMethod.setModifiers(setMethod.getModifiers() | AccessFlag.SYNTHETIC);
ctClass.addMethod(setMethod);
}
}
ctClass.defrost();
}
private static String getTypeMetadata(Class<?> clazz) {
StringBuilder sb = new StringBuilder();
if (clazz.isInterface()) {
sb.append("I ");
} else {
sb.append("C ");
}
if (Modifier.isStatic(clazz.getModifiers())) {
sb.append("S\n");
} else {
sb.append("I\n");
}
Class<?> baseClass = clazz.getSuperclass();
sb.append("B " + ((baseClass != null) ? baseClass.getName() : "").replace('.', '/') + "\n");
Method[] methods = clazz.getDeclaredMethods();
Arrays.sort(methods, methodComparator);
for (Method m : methods) {
int modifiers = m.getModifiers();
if (!Modifier.isStatic(modifiers)
&& (Modifier.isPublic(modifiers) || Modifier.isProtected(modifiers))) {
sb.append("M ");
sb.append(m.getName());
Class<?>[] params = m.getParameterTypes();
String sig = MethodResolver.getMethodSignature(m.getReturnType(), params);
sb.append(" ");
sb.append(sig);
int paramCount = params.length;
sb.append(" ");
sb.append(paramCount);
sb.append("\n");
}
}
Field[] fields = clazz.getDeclaredFields();
for (Field f : fields) {
int modifiers = f.getModifiers();
if (!Modifier.isStatic(modifiers)
&& (Modifier.isPublic(modifiers) || Modifier.isProtected(modifiers))) {
sb.append("F ");
sb.append(f.getName());
sb.append(" ");
String sig = MethodResolver.getTypeSignature(f.getType());
sb.append(sig);
sb.append(" 0\n");
}
}
String ret = sb.toString();
return ret;
}
private static void insertGetString(
ClassWriter cw, String classNameInternal, ArrayList<Field> fields) {
int maxStack = 6;
MethodVisitor mv =
cw.visitMethod(
ACC_PUBLIC, "getString", "(Ljava/lang/Object;I)Ljava/lang/String;", null, null);
mv.visitCode();
mv.visitVarInsn(ILOAD, 2);
if (!fields.isEmpty()) {
maxStack--;
Label[] labels = new Label[fields.size()];
Label labelForInvalidTypes = new Label();
boolean hasAnyBadTypeLabel = false;
for (int i = 0, n = labels.length; i < n; i++) {
if (fields.get(i).getType().equals(String.class)) labels[i] = new Label();
else {
labels[i] = labelForInvalidTypes;
hasAnyBadTypeLabel = true;
}
}
Label defaultLabel = new Label();
mv.visitTableSwitchInsn(0, labels.length - 1, defaultLabel, labels);
for (int i = 0, n = labels.length; i < n; i++) {
if (!labels[i].equals(labelForInvalidTypes)) {
Field field = fields.get(i);
mv.visitLabel(labels[i]);
mv.visitFrame(F_SAME, 0, null, 0, null);
if (!Modifier.isStatic(field.getModifiers())) {
mv.visitVarInsn(ALOAD, 1);
mv.visitTypeInsn(CHECKCAST, classNameInternal);
}
mv.visitFieldInsn(
Modifier.isStatic(field.getModifiers()) ? GETSTATIC : GETFIELD,
classNameInternal,
field.getName(),
"Ljava/lang/String;");
mv.visitInsn(ARETURN);
}
}
// Rest of fields: different type
if (hasAnyBadTypeLabel) {
mv.visitLabel(labelForInvalidTypes);
mv.visitFrame(F_SAME, 0, null, 0, null);
insertThrowExceptionForFieldType(mv, "String");
}
// Default: field not found
mv.visitLabel(defaultLabel);
mv.visitFrame(F_SAME, 0, null, 0, null);
}
insertThrowExceptionForFieldNotFound(mv);
mv.visitMaxs(maxStack, 3);
mv.visitEnd();
}
private InjectionMetadata buildAutowiringMetadata(Class<?> clazz) {
LinkedList<InjectionMetadata.InjectedElement> elements =
new LinkedList<InjectionMetadata.InjectedElement>();
Class<?> targetClass = clazz;
do {
LinkedList<InjectionMetadata.InjectedElement> currElements =
new LinkedList<InjectionMetadata.InjectedElement>();
for (Field field : targetClass.getDeclaredFields()) {
Annotation annotation = findAutowiredAnnotation(field);
if (annotation != null) {
if (Modifier.isStatic(field.getModifiers())) {
if (logger.isWarnEnabled()) {
logger.warn("Autowired annotation is not supported on static fields: " + field);
}
continue;
}
boolean required = determineRequiredStatus(annotation);
currElements.add(new AutowiredFieldElement(field, required));
}
}
for (Method method : targetClass.getDeclaredMethods()) {
Method bridgedMethod = BridgeMethodResolver.findBridgedMethod(method);
Annotation annotation =
BridgeMethodResolver.isVisibilityBridgeMethodPair(method, bridgedMethod)
? findAutowiredAnnotation(bridgedMethod)
: findAutowiredAnnotation(method);
if (annotation != null && method.equals(ClassUtils.getMostSpecificMethod(method, clazz))) {
if (Modifier.isStatic(method.getModifiers())) {
if (logger.isWarnEnabled()) {
logger.warn("Autowired annotation is not supported on static methods: " + method);
}
continue;
}
if (method.getParameterTypes().length == 0) {
if (logger.isWarnEnabled()) {
logger.warn(
"Autowired annotation should be used on methods with actual parameters: "
+ method);
}
}
boolean required = determineRequiredStatus(annotation);
PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method);
currElements.add(new AutowiredMethodElement(method, required, pd));
}
}
elements.addAll(0, currElements);
targetClass = targetClass.getSuperclass();
} while (targetClass != null && targetClass != Object.class);
return new InjectionMetadata(clazz, elements);
}
private void injectSessionFactory(
Object test, Iterable<Field> fields, SessionFactory sessionFactory) {
for (Field field : fields) {
try {
if ((test == null && Modifier.isStatic(field.getModifiers()))
|| (test != null && !Modifier.isStatic(field.getModifiers()))) {
field.set(test, sessionFactory);
}
} catch (Exception e) {
throw new RuntimeException("Can't inject session factory into field " + field);
}
}
}
private Object createChatPacket(String json)
throws IllegalArgumentException, IllegalAccessException, InstantiationException,
InvocationTargetException {
if (nmsChatSerializerGsonInstance == null) {
// Find the field and its value, completely bypassing obfuscation
for (Field declaredField : Reflection.getNMSClass("ChatSerializer").getDeclaredFields()) {
if (Modifier.isFinal(declaredField.getModifiers())
&& Modifier.isStatic(declaredField.getModifiers())
&& declaredField.getType() == com.google.gson.Gson.class) {
// We've found our field
declaredField.setAccessible(true);
nmsChatSerializerGsonInstance = (com.google.gson.Gson) declaredField.get(null);
break;
}
}
}
// Since the method is so simple, and all the obfuscated methods have the same name, it's easier
// to reimplement 'IChatBaseComponent a(String)' than to reflectively call it
// Of course, the implementation may change, but fuzzy matches might break with signature
// changes
Object serializedChatComponent =
nmsChatSerializerGsonInstance.fromJson(json, Reflection.getNMSClass("IChatBaseComponent"));
return nmsPacketPlayOutChatConstructor.newInstance(serializedChatComponent);
}
public SysField(java.lang.reflect.Field field) {
this(
Modifier.isStatic(field.getModifiers()),
field.getType().getName(),
field.getName(),
SysAnalysis.getVisibility(field.getModifiers()));
}
public MethodCollector visitMethod(int access, String name, String desc) {
// already found the method, skip any processing
if (collector != null) {
return null;
}
// not the same name
if (!name.equals(methodName)) {
return null;
}
Type[] argumentTypes = Type.getArgumentTypes(desc);
int longOrDoubleQuantity = 0;
for (Type t : argumentTypes) {
if (t.getClassName().equals("long") || t.getClassName().equals("double")) {
longOrDoubleQuantity++;
}
}
int paramCount = argumentTypes.length;
// not the same quantity of parameters
if (paramCount != this.parameterTypes.length) {
return null;
}
for (int i = 0; i < argumentTypes.length; i++) {
if (!correctTypeName(argumentTypes, i).equals(this.parameterTypes[i].getName())) {
return null;
}
}
this.collector =
new MethodCollector(
(Modifier.isStatic(access) ? 0 : 1), argumentTypes.length + longOrDoubleQuantity);
return collector;
}
private void loadClass() throws SQLException {
Class<?> javaClass = ClassUtils.loadUserClass(className);
Method[] methods = javaClass.getMethods();
ObjectArray<JavaMethod> list = ObjectArray.newInstance();
for (int i = 0; i < methods.length; i++) {
Method m = methods[i];
if (!Modifier.isStatic(m.getModifiers())) {
continue;
}
if (m.getName().equals(methodName) || getMethodSignature(m).equals(methodName)) {
JavaMethod javaMethod = new JavaMethod(m, i);
for (JavaMethod old : list) {
if (old.getParameterCount() == javaMethod.getParameterCount()) {
throw Message.getSQLException(
ErrorCode.METHODS_MUST_HAVE_DIFFERENT_PARAMETER_COUNTS_2,
old.toString(),
javaMethod.toString());
}
}
list.add(javaMethod);
}
}
if (list.size() == 0) {
throw Message.getSQLException(
ErrorCode.PUBLIC_STATIC_JAVA_METHOD_NOT_FOUND_1, methodName + " (" + className + ")");
}
javaMethods = new JavaMethod[list.size()];
list.toArray(javaMethods);
// Sort elements. Methods with a variable number of arguments must be at
// the end. Reason: there could be one method without parameters and one
// with a variable number. The one without parameters needs to be used
// if no parameters are given.
Arrays.sort(javaMethods);
}
/**
* Invokes a static "main(argv[]) method on class "className". Converts various failing exceptions
* into RuntimeExceptions, with the assumption that they will then cause the VM instance to exit.
*
* @param loader class loader to use
* @param className Fully-qualified class name
* @param argv Argument vector for main()
*/
static void invokeStaticMain(ClassLoader loader, String className, String[] argv)
throws ZygoteInit.MethodAndArgsCaller {
Class<?> cl;
try {
cl = loader.loadClass(className);
} catch (ClassNotFoundException ex) {
throw new RuntimeException("Missing class when invoking static main " + className, ex);
}
Method m;
try {
m = cl.getMethod("main", new Class[] {String[].class});
} catch (NoSuchMethodException ex) {
throw new RuntimeException("Missing static main on " + className, ex);
} catch (SecurityException ex) {
throw new RuntimeException("Problem getting static main on " + className, ex);
}
int modifiers = m.getModifiers();
if (!(Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers))) {
throw new RuntimeException("Main method is not public and static on " + className);
}
/*
* This throw gets caught in ZygoteInit.main(), which responds
* by invoking the exception's run() method. This arrangement
* clears up all the stack frames that were required in setting
* up the process.
*/
throw new ZygoteInit.MethodAndArgsCaller(m, argv);
}
private void addFields(Class<?> clazz) {
Field[] fields = clazz.getDeclaredFields();
for (Field field : fields) {
if (canAccessPrivateMethods()) {
try {
field.setAccessible(true);
} catch (Exception e) {
// Ignored. This is only a final precaution, nothing we can do.
}
}
if (field.isAccessible()) {
if (!setMethods.containsKey(field.getName())) {
// issue #379 - removed the check for final because JDK 1.5 allows
// modification of final fields through reflection (JSR-133). (JGB)
// pr #16 - final static can only be set by the classloader
int modifiers = field.getModifiers();
if (!(Modifier.isFinal(modifiers) && Modifier.isStatic(modifiers))) {
addSetField(field);
}
}
if (!getMethods.containsKey(field.getName())) {
addGetField(field);
}
}
}
if (clazz.getSuperclass() != null) {
addFields(clazz.getSuperclass());
}
}
public void testOverrideMethods() throws Exception {
HashSet<String> methodsThatShouldNotBeOverridden = new HashSet<String>();
methodsThatShouldNotBeOverridden.add("reopen");
methodsThatShouldNotBeOverridden.add("doOpenIfChanged");
methodsThatShouldNotBeOverridden.add("clone");
boolean fail = false;
for (Method m : FilterIndexReader.class.getMethods()) {
int mods = m.getModifiers();
if (Modifier.isStatic(mods) || Modifier.isFinal(mods) || m.isSynthetic()) {
continue;
}
Class<?> declaringClass = m.getDeclaringClass();
String name = m.getName();
if (declaringClass != FilterIndexReader.class
&& declaringClass != Object.class
&& !methodsThatShouldNotBeOverridden.contains(name)) {
System.err.println("method is not overridden by FilterIndexReader: " + name);
fail = true;
} else if (declaringClass == FilterIndexReader.class
&& methodsThatShouldNotBeOverridden.contains(name)) {
System.err.println("method should not be overridden by FilterIndexReader: " + name);
fail = true;
}
}
assertFalse(
"FilterIndexReader overrides (or not) some problematic methods; see log above", fail);
// some more inner classes:
checkOverrideMethods(FilterIndexReader.FilterTermEnum.class);
checkOverrideMethods(FilterIndexReader.FilterTermDocs.class);
// TODO: FilterTermPositions should extend correctly, this is borken,
// but for backwards compatibility we let it be:
// checkOverrideMethods(FilterIndexReader.FilterTermPositions.class);
}
/**
* Invokes main() method on class with provided parameters.
*
* @param sClass class name in form "MyClass" for default package or "com.abc.MyClass" for class
* in some package
* @param args arguments for the main() method or null.
* @throws Throwable wrapper for many exceptions thrown while
* <p>(1) main() method lookup: ClassNotFoundException, SecurityException,
* NoSuchMethodException
* <p>(2) main() method launch: IllegalArgumentException, IllegalAccessException (disabled)
* <p>(3) Actual cause of InvocationTargetException
* <p>See {@link
* http://java.sun.com/developer/Books/javaprogramming/JAR/api/jarclassloader.html} and {@link
* http://java.sun.com/developer/Books/javaprogramming/JAR/api/example-1dot2/JarClassLoader.java}
*/
public void invokeMain(String sClass, String[] args) throws Throwable {
Class<?> clazz = loadClass(sClass);
logInfo(LogArea.CONFIG, "Launch: %s.main(); Loader: %s", sClass, clazz.getClassLoader());
Method method = clazz.getMethod("main", new Class<?>[] {String[].class});
boolean bValidModifiers = false;
boolean bValidVoid = false;
if (method != null) {
method.setAccessible(true); // Disable IllegalAccessException
int nModifiers = method.getModifiers(); // main() must be "public static"
bValidModifiers = Modifier.isPublic(nModifiers) && Modifier.isStatic(nModifiers);
Class<?> clazzRet = method.getReturnType(); // main() must be "void"
bValidVoid = (clazzRet == void.class);
}
if (method == null || !bValidModifiers || !bValidVoid) {
throw new NoSuchMethodException("The main() method in class \"" + sClass + "\" not found.");
}
// Invoke method.
// Crazy cast "(Object)args" because param is: "Object... args"
try {
method.invoke(null, (Object) args);
} catch (InvocationTargetException e) {
throw e.getTargetException();
}
} // invokeMain()
@SuppressWarnings("unchecked")
protected static <T extends Bits<T>> T[] _values(Class<T> cls) {
if (!Bits.class.isAssignableFrom(cls)) {
throw new IllegalArgumentException(cls.getName() + " is not a subclass of " + Bits.class);
}
try {
Set<T> values = new TreeSet<T>();
for (Field field : cls.getDeclaredFields()) {
int mod = field.getModifiers();
if (Modifier.isPublic(mod)
&& Modifier.isStatic(mod)
&& Modifier.isFinal(mod)
&& field.getType() == cls) {
T bits = (T) field.get(null);
Bits<?> bits_ =
bits; // Avoids "... has private access in Bits" error with javac from OpenJDK 1.7
bits_.name = field.getName();
if (bits_.mask != 0) {
values.add(bits);
}
}
}
return (T[]) values.toArray((T[]) Array.newInstance(cls, values.size()));
} catch (IllegalAccessException e) {
throw new Error(e);
}
}
public FieldDefinition(Field field) {
this.name = field.getName();
this.type = field.getType().getName();
this.isStatic = Modifier.isStatic(field.getModifiers());
this.isPublic =
!Modifier.isPrivate(field.getModifiers()) && !Modifier.isProtected(field.getModifiers());
}
private ObjectMap<String, FieldMetadata> cacheFields(Class type) {
ArrayList<Field> allFields = new ArrayList();
Class nextClass = type;
while (nextClass != Object.class) {
Collections.addAll(allFields, nextClass.getDeclaredFields());
nextClass = nextClass.getSuperclass();
}
ObjectMap<String, FieldMetadata> nameToField = new ObjectMap();
for (int i = 0, n = allFields.size(); i < n; i++) {
Field field = allFields.get(i);
int modifiers = field.getModifiers();
if (Modifier.isTransient(modifiers)) continue;
if (Modifier.isStatic(modifiers)) continue;
if (field.isSynthetic()) continue;
if (!field.isAccessible()) {
try {
field.setAccessible(true);
} catch (AccessControlException ex) {
continue;
}
}
nameToField.put(field.getName(), new FieldMetadata(field));
}
typeToFields.put(type, nameToField);
return nameToField;
}
/**
* Resolve the factory method in the specified bean definition, if possible. {@link
* RootBeanDefinition#getResolvedFactoryMethod()} can be checked for the result.
*
* @param mbd the bean definition to check
*/
public void resolveFactoryMethodIfPossible(RootBeanDefinition mbd) {
Class<?> factoryClass;
boolean isStatic;
if (mbd.getFactoryBeanName() != null) {
factoryClass = this.beanFactory.getType(mbd.getFactoryBeanName());
isStatic = false;
} else {
factoryClass = mbd.getBeanClass();
isStatic = true;
}
factoryClass = ClassUtils.getUserClass(factoryClass);
Method[] candidates = getCandidateMethods(factoryClass, mbd);
Method uniqueCandidate = null;
for (Method candidate : candidates) {
if (Modifier.isStatic(candidate.getModifiers()) == isStatic
&& mbd.isFactoryMethod(candidate)) {
if (uniqueCandidate == null) {
uniqueCandidate = candidate;
} else if (!Arrays.equals(
uniqueCandidate.getParameterTypes(), candidate.getParameterTypes())) {
uniqueCandidate = null;
break;
}
}
}
synchronized (mbd.constructorArgumentLock) {
mbd.resolvedConstructorOrFactoryMethod = uniqueCandidate;
}
}
/**
* Registers the metadata from an element subclass using its "registerMetadata" method through
* reflection.
*/
public synchronized MetadataRegistry registerClass(Class<? extends Element> clazz) {
// Element itself does not require registration, so skip it.
if (Element.class == clazz) {
return this;
}
try {
Method registerMethod = clazz.getDeclaredMethod("registerMetadata", MetadataRegistry.class);
if (!Modifier.isStatic(registerMethod.getModifiers())) {
throw new IllegalArgumentException(
"Class " + clazz + " had a non-static registerMetadata(MetadataRegistry) method.");
}
registerMethod.invoke(null, this);
return this;
} catch (SecurityException e) {
// Something fishy is going on, rethrow a runtime exception.
throw new IllegalArgumentException(e);
} catch (NoSuchMethodException e) {
// No "registerMetadata" method found, throw an exception.
throw new IllegalArgumentException(
"Class " + clazz + " doesn't support metadata registration.", e);
} catch (IllegalAccessException e) {
// Method wasn't public, throw an illegal argument exception.
throw new IllegalArgumentException(e);
} catch (InvocationTargetException e) {
// Our registration method threw an exception! Rethrown the nested
// exception in an illegal argument exception.
throw new IllegalArgumentException(e.getCause());
}
}
public List<Model.Property> listProperties() {
List<Model.Property> properties = new ArrayList<Model.Property>();
Set<Field> fields = new LinkedHashSet<Field>();
Class<?> tclazz = clazz;
while (!tclazz.equals(Object.class)) {
Collections.addAll(fields, tclazz.getDeclaredFields());
tclazz = tclazz.getSuperclass();
}
for (Field f : fields) {
int mod = f.getModifiers();
if (Modifier.isTransient(mod) || Modifier.isStatic(mod)) {
continue;
}
if (f.isAnnotationPresent(Transient.class)) {
continue;
}
if (f.isAnnotationPresent(NoBinding.class)) {
NoBinding a = f.getAnnotation(NoBinding.class);
List<String> values = Arrays.asList(a.value());
if (values.contains("*")) {
continue;
}
}
Model.Property mp = buildProperty(f);
if (mp != null) {
properties.add(mp);
}
}
return properties;
}
private static java.util.List printFields(
StringBuffer out,
Object o,
java.lang.reflect.Field[] fields,
java.util.List fieldNames,
Conf conf) {
for (int i = 0; i < fields.length; i++) {
if (java.lang.reflect.Modifier.isPublic(fields[i].getModifiers())
&& !java.lang.reflect.Modifier.isStatic(fields[i].getModifiers())) {
String key = fields[i].getName();
if (fieldNames.contains(key)) continue;
Object value;
try {
value = fields[i].get(o);
} catch (IllegalArgumentException e) {
throw new RuntimeException();
} catch (IllegalAccessException e) {
throw new RuntimeException();
}
fieldNames.add(key);
printKeyValue(out, key, value, conf);
}
}
return fieldNames;
}
@Test
public void testInheritedMethodsImplemented() throws Exception {
int errors = 0;
for (Method m : FileSystem.class.getDeclaredMethods()) {
if (Modifier.isStatic(m.getModifiers())
|| Modifier.isPrivate(m.getModifiers())
|| Modifier.isFinal(m.getModifiers())) {
continue;
}
try {
MustNotImplement.class.getMethod(m.getName(), m.getParameterTypes());
try {
HarFileSystem.class.getDeclaredMethod(m.getName(), m.getParameterTypes());
LOG.error("HarFileSystem MUST not implement " + m);
errors++;
} catch (NoSuchMethodException ex) {
// Expected
}
} catch (NoSuchMethodException exc) {
try {
HarFileSystem.class.getDeclaredMethod(m.getName(), m.getParameterTypes());
} catch (NoSuchMethodException exc2) {
LOG.error("HarFileSystem MUST implement " + m);
errors++;
}
}
}
assertTrue((errors + " methods were not overridden correctly - see log"), errors <= 0);
}
private static void reflectionAppend(
Object obj,
Object obj1,
Class class1,
CompareToBuilder comparetobuilder,
boolean flag,
String as[]) {
Field afield[] = class1.getDeclaredFields();
AccessibleObject.setAccessible(afield, true);
int i = 0;
do {
if (i >= afield.length || comparetobuilder.comparison != 0) {
return;
}
Field field = afield[i];
if (!ArrayUtils.contains(as, field.getName())
&& field.getName().indexOf('$') == -1
&& (flag || !Modifier.isTransient(field.getModifiers()))
&& !Modifier.isStatic(field.getModifiers())) {
try {
comparetobuilder.append(field.get(obj), field.get(obj1));
} catch (IllegalAccessException illegalaccessexception) {
throw new InternalError("Unexpected IllegalAccessException");
}
}
i++;
} while (true);
}
