public void apply()
     throws IllegalAccessException, InvocationTargetException, InstantiationException {
   if (type.isEnum()) {
     for (T instance : type.getEnumConstants()) {
       assertThat(
           instance.toString(),
           is(
               type.getCanonicalName().substring(type.getPackage().getName().length() + 1)
                   + "."
                   + ((Enum<?>) instance).name()));
     }
     return;
   }
   for (Constructor<?> constructor : type.getDeclaredConstructors()) {
     if (constructor.isSynthetic() && skipSynthetic) {
       continue;
     }
     constructor.setAccessible(true);
     Class<?>[] parameterTypes = constructor.getParameterTypes();
     Object[] actualArguments = new Object[parameterTypes.length];
     Object[] otherArguments = new Object[parameterTypes.length];
     int index = 0;
     for (Class<?> parameterType : parameterTypes) {
       putInstance(parameterType, actualArguments, otherArguments, index++);
     }
     int testIndex = 0;
     @SuppressWarnings("unchecked")
     T instance = (T) constructor.newInstance(actualArguments);
     assertThat(instance, is(instance));
     assertThat(instance, not(is((Object) null)));
     assertThat(instance, not(is(new Object())));
     Object similarInstance = constructor.newInstance(actualArguments);
     assertThat(instance.hashCode(), is(similarInstance.hashCode()));
     assertThat(instance, is(similarInstance));
     if (skipToString) {
       assertThat(instance.toString(), notNullValue());
     } else if (optionalToStringRegex == null) {
       checkString(instance);
     } else {
       assertThat(instance.toString(), new RegexMatcher(optionalToStringRegex));
     }
     for (Object otherArgument : otherArguments) {
       Object[] compareArguments = new Object[actualArguments.length];
       int argumentIndex = 0;
       for (Object actualArgument : actualArguments) {
         if (argumentIndex == testIndex) {
           compareArguments[argumentIndex] = otherArgument;
         } else {
           compareArguments[argumentIndex] = actualArgument;
         }
         argumentIndex++;
       }
       Object unlikeInstance = constructor.newInstance(compareArguments);
       assertThat(instance.hashCode(), not(is(unlikeInstance)));
       assertThat(instance, not(is(unlikeInstance)));
       testIndex++;
     }
   }
 }
Beispiel #2
0
 private Validator newValidator(API api) throws Exception {
   for (Constructor c : api.validator().getDeclaredConstructors()) {
     c.setAccessible(true);
     Class[] ps = c.getParameterTypes();
     return (Validator) c.newInstance();
   }
   return null;
 }
  /**
   * @param cacheName Cache name.
   * @param key Key.
   * @return Data key.
   * @throws Exception In case of error.
   */
  private Object key(String cacheName, int key) throws Exception {
    Class<?> cls = Class.forName(GridSpringDynamicCacheManager.class.getName() + "$DataKey");

    Constructor<?> cons = cls.getDeclaredConstructor(String.class, Object.class);

    cons.setAccessible(true);

    return cons.newInstance(cacheName, key);
  }
 @Override
 public T create() {
   Class<T> concreteClass = type.getConcreteClass();
   try {
     Constructor<T> declaredConstructor = concreteClass.getDeclaredConstructor();
     declaredConstructor.setAccessible(true);
     return declaredConstructor.newInstance();
   } catch (InvocationTargetException e) {
     throw UncheckedException.throwAsUncheckedException(e.getTargetException());
   } catch (Exception e) {
     throw UncheckedException.throwAsUncheckedException(e);
   }
 }
Beispiel #5
0
 private Filter newInstance(API api) throws Exception {
   for (Constructor c : api.filter().getDeclaredConstructors()) {
     c.setAccessible(true);
     Class[] ps = c.getParameterTypes();
     if (ps.length == 1 && RequestArguments.class.isAssignableFrom(ps[0]))
       return (Filter) c.newInstance(this);
   }
   for (Constructor c : api.filter().getDeclaredConstructors()) {
     Class[] ps = c.getParameterTypes();
     if (ps.length == 0) return (Filter) c.newInstance();
   }
   throw new Exception("Class " + api.filter().getName() + " must have an empty constructor");
 }
Beispiel #6
0
  private Constructor<?>[] getAccessibleConstructors() {
    // The JVM currently doesn't allow changing access on java.lang.Class
    // constructors, so don't try
    if (includePrivate && cl != ScriptRuntime.ClassClass) {
      try {
        Constructor<?>[] cons = cl.getDeclaredConstructors();
        Constructor.setAccessible(cons, true);

        return cons;
      } catch (SecurityException e) {
        // Fall through to !includePrivate case
        Context.reportWarning(
            "Could not access constructor "
                + " of class "
                + cl.getName()
                + " due to lack of privileges.");
      }
    }
    return cl.getConstructors();
  }
Beispiel #7
0
  public static void main(String[] args) throws Exception {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    int num = Integer.parseInt(br.readLine().trim());
    Object o;

    // Solution starts here
    if (num < 1 || num > Math.pow(2, 30)) throw new Exception();
    Solution ob = new Solution();
    Class<?> c = Class.forName("Solution$Private");
    Constructor<?> constructor = c.getDeclaredConstructor(Solution.class);
    constructor.setAccessible(true);
    o = constructor.newInstance(ob);
    Method m = c.getDeclaredMethod("powerof2", new Class[] {int.class});
    m.setAccessible(true);
    String ans = (String) m.invoke(o, num);
    System.out.println(num + " is " + ans);
    // ends here

    System.out.println(
        "An instance of class: " + o.getClass().getSimpleName() + " has been created");
  } // end of main
 public void applyBasic()
     throws IllegalAccessException, InvocationTargetException, InstantiationException {
   for (Constructor<?> constructor : type.getDeclaredConstructors()) {
     if (constructor.isSynthetic() && skipSynthetic) {
       continue;
     }
     constructor.setAccessible(true);
     Class<?>[] parameterTypes = constructor.getParameterTypes();
     Object[] actualArguments = new Object[parameterTypes.length];
     Object[] otherArguments = new Object[parameterTypes.length];
     int index = 0;
     for (Class<?> parameterType : parameterTypes) {
       putInstance(parameterType, actualArguments, otherArguments, index++);
     }
     @SuppressWarnings("unchecked")
     T instance = (T) constructor.newInstance(actualArguments);
     checkString(instance);
     assertThat(instance, is(instance));
     assertThat(instance, not(is((Object) null)));
     assertThat(instance, not(is(new Object())));
     assertThat(instance, not(is(constructor.newInstance(otherArguments))));
   }
 }
  @SuppressWarnings("unchecked")
  LDAPObjectHandler(final Class<T> type) throws LDAPPersistException {
    this.type = type;

    final Class<? super T> superclassType = type.getSuperclass();
    if (superclassType == null) {
      superclassHandler = null;
    } else {
      final LDAPObject superclassAnnotation = superclassType.getAnnotation(LDAPObject.class);
      if (superclassAnnotation == null) {
        superclassHandler = null;
      } else {
        superclassHandler = new LDAPObjectHandler(superclassType);
      }
    }

    final TreeMap<String, FieldInfo> fields = new TreeMap<String, FieldInfo>();
    final TreeMap<String, GetterInfo> getters = new TreeMap<String, GetterInfo>();
    final TreeMap<String, SetterInfo> setters = new TreeMap<String, SetterInfo>();

    ldapObject = type.getAnnotation(LDAPObject.class);
    if (ldapObject == null) {
      throw new LDAPPersistException(ERR_OBJECT_HANDLER_OBJECT_NOT_ANNOTATED.get(type.getName()));
    }

    final LinkedHashMap<String, String> objectClasses = new LinkedHashMap<String, String>(10);

    final String oc = ldapObject.structuralClass();
    if (oc.length() == 0) {
      structuralClass = getUnqualifiedClassName(type);
    } else {
      structuralClass = oc;
    }

    final StringBuilder invalidReason = new StringBuilder();
    if (PersistUtils.isValidLDAPName(structuralClass, invalidReason)) {
      objectClasses.put(toLowerCase(structuralClass), structuralClass);
    } else {
      throw new LDAPPersistException(
          ERR_OBJECT_HANDLER_INVALID_STRUCTURAL_CLASS.get(
              type.getName(), structuralClass, invalidReason.toString()));
    }

    auxiliaryClasses = ldapObject.auxiliaryClass();
    for (final String auxiliaryClass : auxiliaryClasses) {
      if (PersistUtils.isValidLDAPName(auxiliaryClass, invalidReason)) {
        objectClasses.put(toLowerCase(auxiliaryClass), auxiliaryClass);
      } else {
        throw new LDAPPersistException(
            ERR_OBJECT_HANDLER_INVALID_AUXILIARY_CLASS.get(
                type.getName(), auxiliaryClass, invalidReason.toString()));
      }
    }

    superiorClasses = ldapObject.superiorClass();
    for (final String superiorClass : superiorClasses) {
      if (PersistUtils.isValidLDAPName(superiorClass, invalidReason)) {
        objectClasses.put(toLowerCase(superiorClass), superiorClass);
      } else {
        throw new LDAPPersistException(
            ERR_OBJECT_HANDLER_INVALID_SUPERIOR_CLASS.get(
                type.getName(), superiorClass, invalidReason.toString()));
      }
    }

    if (superclassHandler != null) {
      for (final String s : superclassHandler.objectClassAttribute.getValues()) {
        objectClasses.put(toLowerCase(s), s);
      }
    }

    objectClassAttribute = new Attribute("objectClass", objectClasses.values());

    final String parentDNStr = ldapObject.defaultParentDN();
    try {
      defaultParentDN = new DN(parentDNStr);
    } catch (LDAPException le) {
      throw new LDAPPersistException(
          ERR_OBJECT_HANDLER_INVALID_DEFAULT_PARENT.get(
              type.getName(), parentDNStr, le.getMessage()),
          le);
    }

    final String postDecodeMethodName = ldapObject.postDecodeMethod();
    if (postDecodeMethodName.length() > 0) {
      try {
        postDecodeMethod = type.getDeclaredMethod(postDecodeMethodName);
        postDecodeMethod.setAccessible(true);
      } catch (Exception e) {
        debugException(e);
        throw new LDAPPersistException(
            ERR_OBJECT_HANDLER_INVALID_POST_DECODE_METHOD.get(
                type.getName(), postDecodeMethodName, getExceptionMessage(e)),
            e);
      }
    } else {
      postDecodeMethod = null;
    }

    final String postEncodeMethodName = ldapObject.postEncodeMethod();
    if (postEncodeMethodName.length() > 0) {
      try {
        postEncodeMethod = type.getDeclaredMethod(postEncodeMethodName, Entry.class);
        postEncodeMethod.setAccessible(true);
      } catch (Exception e) {
        debugException(e);
        throw new LDAPPersistException(
            ERR_OBJECT_HANDLER_INVALID_POST_ENCODE_METHOD.get(
                type.getName(), postEncodeMethodName, getExceptionMessage(e)),
            e);
      }
    } else {
      postEncodeMethod = null;
    }

    try {
      constructor = type.getDeclaredConstructor();
      constructor.setAccessible(true);
    } catch (Exception e) {
      debugException(e);
      throw new LDAPPersistException(
          ERR_OBJECT_HANDLER_NO_DEFAULT_CONSTRUCTOR.get(type.getName()), e);
    }

    Field tmpDNField = null;
    Field tmpEntryField = null;
    final LinkedList<FieldInfo> tmpRFilterFields = new LinkedList<FieldInfo>();
    final LinkedList<FieldInfo> tmpAAFilterFields = new LinkedList<FieldInfo>();
    final LinkedList<FieldInfo> tmpCAFilterFields = new LinkedList<FieldInfo>();
    final LinkedList<FieldInfo> tmpRDNFields = new LinkedList<FieldInfo>();
    for (final Field f : type.getDeclaredFields()) {
      final LDAPField fieldAnnotation = f.getAnnotation(LDAPField.class);
      final LDAPDNField dnFieldAnnotation = f.getAnnotation(LDAPDNField.class);
      final LDAPEntryField entryFieldAnnotation = f.getAnnotation(LDAPEntryField.class);

      if (fieldAnnotation != null) {
        f.setAccessible(true);

        final FieldInfo fieldInfo = new FieldInfo(f, type);
        final String attrName = toLowerCase(fieldInfo.getAttributeName());
        if (fields.containsKey(attrName)) {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_ATTR_CONFLICT.get(type.getName(), fieldInfo.getAttributeName()));
        } else {
          fields.put(attrName, fieldInfo);
        }

        switch (fieldInfo.getFilterUsage()) {
          case REQUIRED:
            tmpRFilterFields.add(fieldInfo);
            break;
          case ALWAYS_ALLOWED:
            tmpAAFilterFields.add(fieldInfo);
            break;
          case CONDITIONALLY_ALLOWED:
            tmpCAFilterFields.add(fieldInfo);
            break;
          case EXCLUDED:
          default:
            break;
        }

        if (fieldInfo.includeInRDN()) {
          tmpRDNFields.add(fieldInfo);
        }
      }

      if (dnFieldAnnotation != null) {
        f.setAccessible(true);

        if (fieldAnnotation != null) {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_CONFLICTING_FIELD_ANNOTATIONS.get(
                  type.getName(), "LDAPField", "LDAPDNField", f.getName()));
        }

        if (tmpDNField != null) {
          throw new LDAPPersistException(ERR_OBJECT_HANDLER_MULTIPLE_DN_FIELDS.get(type.getName()));
        }

        final int modifiers = f.getModifiers();
        if (Modifier.isFinal(modifiers)) {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_DN_FIELD_FINAL.get(f.getName(), type.getName()));
        } else if (Modifier.isStatic(modifiers)) {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_DN_FIELD_STATIC.get(f.getName(), type.getName()));
        }

        final Class<?> fieldType = f.getType();
        if (fieldType.equals(String.class)) {
          tmpDNField = f;
        } else {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_INVALID_DN_FIELD_TYPE.get(
                  type.getName(), f.getName(), fieldType.getName()));
        }
      }

      if (entryFieldAnnotation != null) {
        f.setAccessible(true);

        if (fieldAnnotation != null) {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_CONFLICTING_FIELD_ANNOTATIONS.get(
                  type.getName(), "LDAPField", "LDAPEntryField", f.getName()));
        }

        if (tmpEntryField != null) {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_MULTIPLE_ENTRY_FIELDS.get(type.getName()));
        }

        final int modifiers = f.getModifiers();
        if (Modifier.isFinal(modifiers)) {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_ENTRY_FIELD_FINAL.get(f.getName(), type.getName()));
        } else if (Modifier.isStatic(modifiers)) {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_ENTRY_FIELD_STATIC.get(f.getName(), type.getName()));
        }

        final Class<?> fieldType = f.getType();
        if (fieldType.equals(ReadOnlyEntry.class)) {
          tmpEntryField = f;
        } else {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_INVALID_ENTRY_FIELD_TYPE.get(
                  type.getName(), f.getName(), fieldType.getName()));
        }
      }
    }

    dnField = tmpDNField;
    entryField = tmpEntryField;
    requiredFilterFields = Collections.unmodifiableList(tmpRFilterFields);
    alwaysAllowedFilterFields = Collections.unmodifiableList(tmpAAFilterFields);
    conditionallyAllowedFilterFields = Collections.unmodifiableList(tmpCAFilterFields);
    rdnFields = Collections.unmodifiableList(tmpRDNFields);

    final LinkedList<GetterInfo> tmpRFilterGetters = new LinkedList<GetterInfo>();
    final LinkedList<GetterInfo> tmpAAFilterGetters = new LinkedList<GetterInfo>();
    final LinkedList<GetterInfo> tmpCAFilterGetters = new LinkedList<GetterInfo>();
    final LinkedList<GetterInfo> tmpRDNGetters = new LinkedList<GetterInfo>();
    for (final Method m : type.getDeclaredMethods()) {
      final LDAPGetter getter = m.getAnnotation(LDAPGetter.class);
      final LDAPSetter setter = m.getAnnotation(LDAPSetter.class);

      if (getter != null) {
        m.setAccessible(true);

        if (setter != null) {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_CONFLICTING_METHOD_ANNOTATIONS.get(
                  type.getName(), "LDAPGetter", "LDAPSetter", m.getName()));
        }

        final GetterInfo methodInfo = new GetterInfo(m, type);
        final String attrName = toLowerCase(methodInfo.getAttributeName());
        if (fields.containsKey(attrName) || getters.containsKey(attrName)) {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_ATTR_CONFLICT.get(type.getName(), methodInfo.getAttributeName()));
        } else {
          getters.put(attrName, methodInfo);
        }

        switch (methodInfo.getFilterUsage()) {
          case REQUIRED:
            tmpRFilterGetters.add(methodInfo);
            break;
          case ALWAYS_ALLOWED:
            tmpAAFilterGetters.add(methodInfo);
            break;
          case CONDITIONALLY_ALLOWED:
            tmpCAFilterGetters.add(methodInfo);
            break;
          case EXCLUDED:
          default:
            // No action required.
            break;
        }

        if (methodInfo.includeInRDN()) {
          tmpRDNGetters.add(methodInfo);
        }
      }

      if (setter != null) {
        m.setAccessible(true);

        final SetterInfo methodInfo = new SetterInfo(m, type);
        final String attrName = toLowerCase(methodInfo.getAttributeName());
        if (fields.containsKey(attrName) || setters.containsKey(attrName)) {
          throw new LDAPPersistException(
              ERR_OBJECT_HANDLER_ATTR_CONFLICT.get(type.getName(), methodInfo.getAttributeName()));
        } else {
          setters.put(attrName, methodInfo);
        }
      }
    }

    requiredFilterGetters = Collections.unmodifiableList(tmpRFilterGetters);
    alwaysAllowedFilterGetters = Collections.unmodifiableList(tmpAAFilterGetters);
    conditionallyAllowedFilterGetters = Collections.unmodifiableList(tmpCAFilterGetters);

    rdnGetters = Collections.unmodifiableList(tmpRDNGetters);
    if (rdnFields.isEmpty() && rdnGetters.isEmpty()) {
      throw new LDAPPersistException(ERR_OBJECT_HANDLER_NO_RDN_DEFINED.get(type.getName()));
    }

    fieldMap = Collections.unmodifiableMap(fields);
    getterMap = Collections.unmodifiableMap(getters);
    setterMap = Collections.unmodifiableMap(setters);

    final TreeSet<String> attrSet = new TreeSet<String>();
    final TreeSet<String> lazySet = new TreeSet<String>();
    if (ldapObject.requestAllAttributes()) {
      attrSet.add("*");
      attrSet.add("+");
    } else {
      for (final FieldInfo i : fields.values()) {
        if (i.lazilyLoad()) {
          lazySet.add(i.getAttributeName());
        } else {
          attrSet.add(i.getAttributeName());
        }
      }

      for (final SetterInfo i : setters.values()) {
        attrSet.add(i.getAttributeName());
      }
    }
    attributesToRequest = new String[attrSet.size()];
    attrSet.toArray(attributesToRequest);

    lazilyLoadedAttributes = new String[lazySet.size()];
    lazySet.toArray(lazilyLoadedAttributes);
  }