private Object newInstance(Type 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() && !type.isStatic())
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 the constructor to create and initialize a new instance of the constructor's declaring
* class, with the supplied initialization parameters.
*/
public Object newInstance(Object... args) throws ReflectionException {
try {
return constructor.newInstance();
} catch (IllegalArgumentException e) {
throw new ReflectionException(
"Illegal argument(s) supplied to constructor for class: " + getDeclaringClass().getName(),
e);
}
}
public void setAccessible(boolean accessible) {
constructor.setAccessible(accessible);
}
public boolean isAccessible() {
return constructor.isAccessible();
}
/** Returns the Class object representing the class or interface that declares the constructor. */
public Class getDeclaringClass() {
return constructor.getEnclosingType().getClassOfType();
}