示例#1
0
  /** Sets the access flag of a member */
  @Override
  protected void setAccessFlag(final Member m) {
    final int mods = m.getModifiers();
    final Class c = m.getDeclaringClass();
    final int cmods = c.getModifiers();
    final String pkg = this.importationManager.getCurrentPackage();
    final String mp = getPackageName(c);
    final boolean samePkg = pkg.equals(mp);

    if (Modifier.isPublic(cmods) || samePkg) {
      if (Modifier.isPublic(mods)) {
        ((AccessibleObject) m).setAccessible(true);
      } else if (Modifier.isProtected(mods)) {
        if (c.isAssignableFrom(this.declaringClass.getSuperclass()) || samePkg) {
          ((AccessibleObject) m).setAccessible(true);
        }
      } else if (!Modifier.isPrivate(mods)) {
        if (samePkg) {
          ((AccessibleObject) m).setAccessible(true);
        }
      } else {
        if (this.declaringClass == c || isInnerClass(this.declaringClass, c)) {
          ((AccessibleObject) m).setAccessible(true);
        }
      }
    }
  }
示例#2
0
  /**
   * Method called to check if we can use the passed method or constructor (wrt access restriction
   * -- public methods can be called, others usually not); and if not, if there is a work-around for
   * the problem.
   */
  public static void checkAndFixAccess(Member member) {
    // We know all members are also accessible objects...
    AccessibleObject ao = (AccessibleObject) member;

    /* 14-Jan-2009, tatu: It seems safe and potentially beneficial to
     *   always to make it accessible (latter because it will force
     *   skipping checks we have no use for...), so let's always call it.
     */
    // if (!ao.isAccessible()) {
    try {
      ao.setAccessible(true);
    } catch (SecurityException se) {
      /* 17-Apr-2009, tatu: Related to [JACKSON-101]: this can fail on
       *    platforms like EJB and Google App Engine); so let's
       *    only fail if we really needed it...
       */
      if (!ao.isAccessible()) {
        Class<?> declClass = member.getDeclaringClass();
        throw new IllegalArgumentException(
            "Can not access "
                + member
                + " (from class "
                + declClass.getName()
                + "; failed to set access: "
                + se.getMessage());
      }
    }
    // }
  }
示例#3
0
 /**
  * Returns <code>true</code> if class member is public and if its declaring class is also public.
  */
 public static boolean isPublicPublic(Member member) {
   if (Modifier.isPublic(member.getModifiers()) == true) {
     if (Modifier.isPublic(member.getDeclaringClass().getModifiers())) {
       return true;
     }
   }
   return false;
 }
示例#4
0
 private String resolveTypeDiscriminatorForBackReference(Member m) {
   Method me =
       ReflectionUtils.findMethod(
           m.getDeclaringClass(), "get" + firstCharToUpperCase(m.getName()));
   if (me != null) {
     return resolveTypeDiscriminator(resolveReturnType(me));
   }
   return "";
 }
  /**
   * Finds all constraint annotations defined for the given field/method and returns them in a list
   * of constraint descriptors.
   *
   * @param member The fields or method to check for constraints annotations.
   * @param type The element type the constraint/annotation is placed on.
   * @return A list of constraint descriptors for all constraint specified for the given field or
   *     method.
   */
  private List<ConstraintDescriptorImpl<?>> findConstraints(Member member, ElementType type) {
    assert member instanceof Field || member instanceof Method;

    List<ConstraintDescriptorImpl<?>> metaData = new ArrayList<ConstraintDescriptorImpl<?>>();
    for (Annotation annotation : ((AnnotatedElement) member).getAnnotations()) {
      metaData.addAll(findConstraintAnnotations(member.getDeclaringClass(), annotation, type));
    }

    return metaData;
  }
 public ConstraintViolationException(
     String instanceToString,
     Iterable<Class<?>> instanceTypes,
     Member method,
     Collection<ConstraintViolation> violations) {
   this.instanceToString = instanceToString;
   this.instanceTypes = instanceTypes;
   mixinTypeName = method.getDeclaringClass().getName();
   methodName = method.getName();
   this.constraintViolations = violations;
 }
  /** Resolve the prepared arguments stored in the given bean definition. */
  private Object[] resolvePreparedArguments(
      String beanName,
      RootBeanDefinition mbd,
      BeanWrapper bw,
      Member methodOrCtor,
      Object[] argsToResolve) {

    Class<?>[] paramTypes =
        (methodOrCtor instanceof Method
            ? ((Method) methodOrCtor).getParameterTypes()
            : ((Constructor<?>) methodOrCtor).getParameterTypes());
    TypeConverter converter =
        (this.beanFactory.getCustomTypeConverter() != null
            ? this.beanFactory.getCustomTypeConverter()
            : bw);
    BeanDefinitionValueResolver valueResolver =
        new BeanDefinitionValueResolver(this.beanFactory, beanName, mbd, converter);
    Object[] resolvedArgs = new Object[argsToResolve.length];
    for (int argIndex = 0; argIndex < argsToResolve.length; argIndex++) {
      Object argValue = argsToResolve[argIndex];
      MethodParameter methodParam = MethodParameter.forMethodOrConstructor(methodOrCtor, argIndex);
      GenericTypeResolver.resolveParameterType(methodParam, methodOrCtor.getDeclaringClass());
      if (argValue instanceof AutowiredArgumentMarker) {
        argValue = resolveAutowiredArgument(methodParam, beanName, null, converter);
      } else if (argValue instanceof BeanMetadataElement) {
        argValue = valueResolver.resolveValueIfNecessary("constructor argument", argValue);
      } else if (argValue instanceof String) {
        argValue = this.beanFactory.evaluateBeanDefinitionString((String) argValue, mbd);
      }
      Class<?> paramType = paramTypes[argIndex];
      try {
        resolvedArgs[argIndex] = converter.convertIfNecessary(argValue, paramType, methodParam);
      } catch (TypeMismatchException ex) {
        String methodType =
            (methodOrCtor instanceof Constructor ? "constructor" : "factory method");
        throw new UnsatisfiedDependencyException(
            mbd.getResourceDescription(),
            beanName,
            argIndex,
            paramType,
            "Could not convert "
                + methodType
                + " argument value of type ["
                + ObjectUtils.nullSafeClassName(argValue)
                + "] to required type ["
                + paramType.getName()
                + "]: "
                + ex.getMessage());
      }
    }
    return resolvedArgs;
  }
示例#8
0
  protected boolean isVisible(final Class<?> baseClass, final Member element) {
    if (baseClass == null || element == null) return false;

    final int modifiers = element.getModifiers();

    if (Modifier.isPublic(modifiers)) return true;

    if (Modifier.isProtected(modifiers)) return true;

    if (!Modifier.isPrivate(modifiers)
        && baseClass.getPackage().equals(element.getDeclaringClass().getPackage())) return true;

    return false;
  }
 /**
  * XXX Default access superclass workaround
  *
  * <p>When a public class has a default access superclass with public members, these members are
  * accessible. Calling them from compiled code works fine. Unfortunately, on some JVMs, using
  * reflection to invoke these members seems to (wrongly) prevent access even when the modifier is
  * public. Calling setAccessible(true) solves the problem but will only work from sufficiently
  * privileged code. Better workarounds would be gratefully accepted.
  *
  * @param o the AccessibleObject to set as accessible
  */
 static void setAccessibleWorkaround(AccessibleObject o) {
   if (o == null || o.isAccessible()) {
     return;
   }
   Member m = (Member) o;
   if (Modifier.isPublic(m.getModifiers())
       && isPackageAccess(m.getDeclaringClass().getModifiers())) {
     try {
       o.setAccessible(true);
     } catch (SecurityException e) { // NOPMD
       // ignore in favor of subsequent IllegalAccessException
     }
   }
 }
示例#10
0
 /**
  * XXX Default access superclass workaround.
  *
  * <p>When a {@code public} class has a default access superclass with {@code public} members,
  * these members are accessible. Calling them from compiled code works fine. Unfortunately, on
  * some JVMs, using reflection to invoke these members seems to (wrongly) prevent access even when
  * the modifier is {@code public}. Calling {@code setAccessible(true)} solves the problem but will
  * only work from sufficiently privileged code. Better workarounds would be gratefully accepted.
  *
  * @param o the AccessibleObject to set as accessible
  * @return a boolean indicating whether the accessibility of the object was set to true.
  */
 static boolean setAccessibleWorkaround(final AccessibleObject o) {
   if (o == null || o.isAccessible()) {
     return false;
   }
   final Member m = (Member) o;
   if (!o.isAccessible()
       && Modifier.isPublic(m.getModifiers())
       && isPackageAccess(m.getDeclaringClass().getModifiers())) {
     try {
       o.setAccessible(true);
       return true;
     } catch (final SecurityException e) { // NOPMD
       // ignore in favor of subsequent IllegalAccessException
     }
   }
   return false;
 }
示例#11
0
  /**
   * Returns an array containing the available subtypes of the specified type, first looking to
   * subtypes listed in the annotation, then attempting to find a method using reflection.
   */
  protected Class<?>[] getSubtypes(Class<?> type) {
    ArrayList<Class<?>> types = new ArrayList<Class<?>>();

    // start with the null class, if allowed
    boolean nullable = getAnnotation().nullable();
    if (nullable) {
      types.add(null);
    }

    // look for a subtype annotation and add its types
    EditorTypes ownAnnotation = getAnnotation(EditorTypes.class);
    EditorTypes annotation =
        (ownAnnotation == null) ? type.getAnnotation(EditorTypes.class) : ownAnnotation;
    if (annotation != null) {
      addSubtypes(annotation, types);
    }

    // get the config key and add the config types
    String key = (annotation == null) ? type.getName() : annotation.key();
    if (StringUtil.isBlank(key)) {
      if (annotation == ownAnnotation) {
        Member member = getMember();
        key = member.getDeclaringClass().getName() + "." + member.getName();
      } else {
        key = type.getName();
      }
    }
    Class<?>[] ctypes = _configTypes.get(key);
    if (ctypes != null) {
      Collections.addAll(types, ctypes);
    }

    // if we don't have at least one non-null class, add the type itself
    if (types.size() == (nullable ? 1 : 0)) {
      types.add(type);
    }

    // convert to array, return
    return types.toArray(new Class<?>[types.size()]);
  }
示例#12
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  /** Returns true if the binding annotation is in the wrong place. */
  private static boolean checkForMisplacedBindingAnnotations(Member member, Errors errors) {
    Annotation misplacedBindingAnnotation =
        Annotations.findBindingAnnotation(
            errors, member, ((AnnotatedElement) member).getAnnotations());
    if (misplacedBindingAnnotation == null) {
      return false;
    }

    // don't warn about misplaced binding annotations on methods when there's a field with the same
    // name. In Scala, fields always get accessor methods (that we need to ignore). See bug 242.
    if (member instanceof Method) {
      try {
        if (member.getDeclaringClass().getDeclaredField(member.getName()) != null) {
          return false;
        }
      } catch (NoSuchFieldException ignore) {
      }
    }

    errors.misplacedBindingAnnotation(member, misplacedBindingAnnotation);
    return true;
  }
示例#13
0
  /**
   * Conveniently render an {@link AccessibleObject} accessible.
   *
   * <p>To prevent {@link SecurityException}, this is only done if the argument object and its
   * declaring class are non-public.
   *
   * @param accessible The object to render accessible
   * @return The argument object rendered accessible
   */
  public static <T extends AccessibleObject> T accessible(T accessible) {
    if (accessible == null) {
      return null;
    }

    if (accessible instanceof Member) {
      Member member = (Member) accessible;

      if (Modifier.isPublic(member.getModifiers())
          && Modifier.isPublic(member.getDeclaringClass().getModifiers())) {

        return accessible;
      }
    }

    // [jOOQ #3392] The accessible flag is set to false by default, also for public members.
    if (!accessible.isAccessible()) {
      accessible.setAccessible(true);
    }

    return accessible;
  }
示例#14
0
  private void generateSetBasedDocRefView(
      Map<String, org.ektorp.support.DesignDocument.View> views,
      Member me,
      DocumentReferences referenceMetaData) {
    String fieldName = firstCharToLowerCase(me.getName());
    String orderBy = referenceMetaData.orderBy();
    String backRef = referenceMetaData.backReference();
    if (backRef.length() == 0) {
      throw new ViewGenerationException(
          String.format(
              "The DocumentReferences annotation in %s must specify a backReference",
              me.getDeclaringClass()));
    }
    String viewName = NameConventions.backReferenceViewName(fieldName);
    String typeDiscriminator = resolveTypeDiscriminatorForBackReference(me);
    if (orderBy.length() > 0) {

      views.put(
          viewName,
          generateDocRefsAsSetWithOrderByView(backRef, fieldName, orderBy, typeDiscriminator));
    } else {
      views.put(viewName, generateDocRefsAsSetView(backRef, fieldName, typeDiscriminator));
    }
  }
示例#15
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 /** Returns <code>true</code> if the first member is accessible from second one. */
 public static boolean isAssignableFrom(Member member1, Member member2) {
   return member1.getDeclaringClass().isAssignableFrom(member2.getDeclaringClass());
 }
示例#16
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 /**
  * Checks whether the given <code>member</code> is public and non-final. These members do no need
  * to be set accessible using reflection.
  *
  * @param member The member to check
  * @return <code>true</code> if the member is public and non-final, otherwise <code>false</code>.
  * @see #isAccessible(java.lang.reflect.AccessibleObject)
  * @see #ensureAccessible(java.lang.reflect.AccessibleObject)
  */
 public static boolean isNonFinalPublicMember(Member member) {
   return (Modifier.isPublic(member.getModifiers())
       && Modifier.isPublic(member.getDeclaringClass().getModifiers())
       && !Modifier.isFinal(member.getModifiers()));
 }
示例#17
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  /*
   * Majority of code below from Rhino source, written by A. Sundararajan.
   */
  @Override
  public Scriptable wrapAsJavaObject(
      Context cx, Scriptable scope, Object javaObject, Class staticType) {

    if (javaObject instanceof ClassLoader) {

      throw new SecurityException("Class loaders cannot be accessed in this environment.");

    } else {
      String name = null;
      if (javaObject instanceof Class) {
        name = ((Class) javaObject).getName();
      } else if (javaObject instanceof Member) {
        Member member = (Member) javaObject;
        // Check member access. Don't allow reflective access to
        // non-public members. Note that we can't call checkMemberAccess
        // because that expects exact stack depth!
        if (!Modifier.isPublic(member.getModifiers())) {
          return null;
        }
        name = member.getDeclaringClass().getName();
      }

      // Now, make sure that no ClassShutter prevented Class or Member
      // of it is accessed reflectively. Note that ClassShutter may
      // prevent access to a class, even though SecurityManager permit.
      if (name != null) {
        if (!classShutter.visibleToScripts(name)) {
          throw new SecurityException("'" + name + "' cannot be accessed in this environment.");
        } else {
          return new NativeJavaObject(scope, javaObject, staticType);
        }
      }
    }

    // we have got some non-reflective object.
    Class dynamicType = javaObject.getClass();
    String name = dynamicType.getName();
    if (!classShutter.visibleToScripts(name)) {
      // Object of some sensitive class (such as sun.net.www.*
      // objects returned from public method of java.net.URL class.
      // We expose this object as though it is an object of some
      // super class that is safe for access.

      Class type = null;

      // Whenever a Java Object is wrapped, we are passed with a
      // staticType which is the type found from environment. For
      // example, method return type known from signature. The dynamic
      // type would be the actual Class of the actual returned object.
      // If the staticType is an interface, we just use that type.
      if (staticType != null && staticType.isInterface()) {
        type = staticType;
      } else {
        // dynamicType is always a class type and never an interface.
        // find an accessible super class of the dynamic type.
        while (true) {
          dynamicType = dynamicType.getSuperclass();

          if (dynamicType != null) {
            name = dynamicType.getName();
            if (classShutter.visibleToScripts(name)) {
              type = dynamicType;
              break;
            }
          } else {
            break;
          }
        }
        // atleast java.lang.Object has to be accessible. So, when
        // we reach here, type variable should not be null.
        assert type != null : "even java.lang.Object is not accessible?";
      }
      // create custom wrapper with the 'safe' type.
      return new JavascriptJavaObject(scope, javaObject, type);
    } else {
      return new NativeJavaObject(scope, javaObject, staticType);
    }
  }
示例#18
0
 public String determineMemberDescription(Member member) {
   return member.getDeclaringClass().getName() + '#' + member.getName();
 }