List of usage examples for java.lang.reflect Constructor isAccessible
@Deprecated(since = "9") public boolean isAccessible()
From source file:org.bremersee.common.exception.ExceptionRegistry.java
private static Throwable findThrowableByMessageAndCause(final Class<? extends Throwable> clazz, final String message, final Throwable cause) { try {// w w w.jav a 2s . co m Constructor<? extends Throwable> constructor = clazz.getDeclaredConstructor(String.class, Throwable.class); if (!constructor.isAccessible()) { constructor.setAccessible(true); } return constructor.newInstance(message, cause); } catch (NoSuchMethodException | InstantiationException | IllegalAccessException // NOSONAR | InvocationTargetException e) { // NOSONAR if (LOG.isDebugEnabled()) { LOG.debug("Finding throwable by message and cause failed. Class [" + clazz.getName() // NOSONAR + "] has no suitable constructor: " + e.getMessage() // NOSONAR + " (" + e.getClass().getName() + ")."); // NOSONAR } return null; } }
From source file:br.com.lucasisrael.regra.reflections.TratamentoReflections.java
/** * Make the given constructor accessible, explicitly setting it accessible * if necessary. The {@code setAccessible(true)} method is only called * when actually necessary, to avoid unnecessary conflicts with a JVM * SecurityManager (if active).// ww w . j a v a 2 s. c om * @param ctor the constructor to make accessible * @see java.lang.reflect.Constructor#setAccessible */ public static void makeAccessible(Constructor<?> ctor) { if ((!Modifier.isPublic(ctor.getModifiers()) || !Modifier.isPublic(ctor.getDeclaringClass().getModifiers())) && !ctor.isAccessible()) { ctor.setAccessible(true); } }
From source file:au.id.hazelwood.xmltvguidebuilder.utils.ClassPathResourceUtilsUnitTest.java
@Test public void testConstructor() throws Exception { Constructor<ClassPathResourceUtils> constructor = ClassPathResourceUtils.class.getDeclaredConstructor(); assertFalse(constructor.isAccessible()); ReflectionUtils.makeAccessible(constructor); assertNotNull(constructor.newInstance()); }
From source file:au.id.hazelwood.xmltvguidebuilder.utils.DateTimeUtilsUnitTest.java
@Test public void testConstructor() throws Exception { Constructor<DateTimeUtils> constructor = DateTimeUtils.class.getDeclaredConstructor(); assertFalse(constructor.isAccessible()); ReflectionUtils.makeAccessible(constructor); assertNotNull(constructor.newInstance()); }
From source file:cpcc.vvrte.services.task.AcoTspSimpleTest.java
@Test public void shouldHavePrivateConstructor() throws Exception { Constructor<AcoTspSimple> cnt = AcoTspSimple.class.getDeclaredConstructor(); assertFalse(cnt.isAccessible()); cnt.setAccessible(true);//w w w. ja va 2 s. c om cnt.newInstance(); }
From source file:com.glaf.core.util.ReflectUtils.java
public static Object newInstance(final Constructor<?> cstruct, final Object[] args) { boolean flag = cstruct.isAccessible(); try {//from w w w .j a v a 2 s. com cstruct.setAccessible(true); Object result = cstruct.newInstance(args); return result; } catch (Exception e) { throw new RuntimeException(e); } finally { cstruct.setAccessible(flag); } }
From source file:com.fondesa.lyra.coder.DefaultCoderRetriever.java
/** * Retrieve a {@link StateCoder} from an annotation and the annotated class. * * @param saveState annotation obtained from the annotated field * @param annotatedFieldClass java class of the annotate field * @return not null coder used to serialize and deserialize the state {@link Bundle} * @throws CoderNotFoundException if the coder can't be found or is unsupported *///w ww . ja v a 2 s. c o m @NonNull @Override public StateCoder getCoder(@NonNull SaveState saveState, @NonNull Class<?> annotatedFieldClass) throws CoderNotFoundException { StateCoder stateCoder; // Get the coder class from the annotation. final Class<? extends StateCoder> stateSDClass = saveState.value(); if (stateSDClass == StateCoder.class) { // Get the coder from cache, if present. stateCoder = mCachedCoders.get(annotatedFieldClass); if (stateCoder != null) return stateCoder; // Get the coder if it's supported by default or throw a new CoderNotFoundException. stateCoder = StateCoderUtils.getBasicCoderForClass(annotatedFieldClass); // Put the coder in cache. mCachedCoders.put(annotatedFieldClass, stateCoder); } else { // A custom coder won't be cached to support multiple implementations for the same class. try { Constructor<? extends StateCoder> constructor = stateSDClass.getConstructor(); boolean accessible = constructor.isAccessible(); // If the constructor can't be accessed, it will be modified in accessible and will return inaccessible after. if (!accessible) { constructor.setAccessible(true); } // Creates the instance. stateCoder = constructor.newInstance(); if (!accessible) { constructor.setAccessible(false); } } catch (Exception e) { throw new RuntimeException("Cannot instantiate a " + StateCoder.class.getSimpleName() + " of class " + stateSDClass.getName()); } } return stateCoder; }
From source file:com.haulmont.cuba.core.config.ConfigDefaultMethod.java
@Override public Object invoke(ConfigHandler handler, Object[] args, Object proxy) { try {/*from w w w.j a v a 2s . c o m*/ if (SystemUtils.IS_JAVA_1_8) { // hack to invoke default method of an interface reflectively Constructor<MethodHandles.Lookup> lookupConstructor = MethodHandles.Lookup.class .getDeclaredConstructor(Class.class, Integer.TYPE); if (!lookupConstructor.isAccessible()) { lookupConstructor.setAccessible(true); } return lookupConstructor.newInstance(configInterface, MethodHandles.Lookup.PRIVATE) .unreflectSpecial(configMethod, configInterface).bindTo(proxy).invokeWithArguments(args); } else { return MethodHandles.lookup() .findSpecial(configInterface, configMethod.getName(), MethodType.methodType(configMethod.getReturnType(), configMethod.getParameterTypes()), configInterface) .bindTo(proxy).invokeWithArguments(args); } } catch (Throwable throwable) { throw new RuntimeException("Error invoking default method of config interface", throwable); } }
From source file:com.joyveb.dbpimpl.cass.prepare.option.DefaultOption.java
@SuppressWarnings({ "unchecked", "rawtypes" })
public boolean isCoerceable(Object value) {
if (value == null || type == null) {
return true;
}/*from w w w. j a va 2 s. com*/
// check map
if (Map.class.isAssignableFrom(type)) {
return Map.class.isAssignableFrom(value.getClass());
}
// check collection
if (Collection.class.isAssignableFrom(type)) {
return Collection.class.isAssignableFrom(value.getClass());
}
// check enum
if (type.isEnum()) {
try {
String name = value instanceof Enum ? name = ((Enum) value).name() : value.toString();
Enum.valueOf((Class<? extends Enum>) type, name);
return true;
} catch (NullPointerException x) {
return false;
} catch (IllegalArgumentException x) {
return false;
}
}
// check class via String constructor
try {
Constructor<?> ctor = type.getConstructor(String.class);
if (!ctor.isAccessible()) {
ctor.setAccessible(true);
}
ctor.newInstance(value.toString());
return true;
} catch (InstantiationException e) {
} catch (IllegalAccessException e) {
} catch (IllegalArgumentException e) {
} catch (InvocationTargetException e) {
} catch (NoSuchMethodException e) {
} catch (SecurityException e) {
}
return false;
}
From source file:org.polymap.core.runtime.DefaultSessionContext.java
public final <T> T sessionSingleton(final Class<T> type) { assert type != null; checkDestroyed();//from w ww .ja va2 s. c o m try { T result = (T) attributes.get(type.getName()); if (result == null) { // create an instance (without write lock) Constructor constructor = type.getDeclaredConstructor(new Class[] {}); if (constructor.isAccessible()) { result = type.newInstance(); } else { constructor.setAccessible(true); result = (T) constructor.newInstance(new Object[] {}); } Object old = attributes.putIfAbsent(type.getName(), result); // as there is no lock we have to check after put what object was added actually result = old != null ? (T) old : result; } return result; } catch (Exception e) { throw new RuntimeException(e); } }