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Java Standard Edition (SE)

BasicAttributes


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javax.naming.directory

Class BasicAttributes

    • Constructor Summary

      Constructors 
      Constructor and Description
      BasicAttributes()
      Constructs a new instance of Attributes.
      BasicAttributes(boolean ignoreCase)
      Constructs a new instance of Attributes.
      BasicAttributes(String attrID, Object val)
      Constructs a new instance of Attributes with one attribute.
      BasicAttributes(String attrID, Object val, boolean ignoreCase)
      Constructs a new instance of Attributes with one attribute.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      Object clone()
      Creates and returns a copy of this object.
      boolean equals(Object obj)
      Determines whether this BasicAttributes is equal to another Attributes Two Attributes are equal if they are both instances of Attributes, treat the case of attribute IDs the same way, and contain the same attributes.
      Attribute get(String attrID)
      Retrieves the attribute with the given attribute id from the attribute set.
      NamingEnumeration<Attribute> getAll()
      Retrieves an enumeration of the attributes in the attribute set.
      NamingEnumeration<String> getIDs()
      Retrieves an enumeration of the ids of the attributes in the attribute set.
      int hashCode()
      Calculates the hash code of this BasicAttributes.
      boolean isCaseIgnored()
      Determines whether the attribute set ignores the case of attribute identifiers when retrieving or adding attributes.
      Attribute put(Attribute attr)
      Adds a new attribute to the attribute set.
      Attribute put(String attrID, Object val)
      Adds a new attribute to the attribute set.
      Attribute remove(String attrID)
      Removes the attribute with the attribute id 'attrID' from the attribute set.
      int size()
      Retrieves the number of attributes in the attribute set.
      String toString()
      Generates the string representation of this attribute set.
    • Constructor Detail

      • BasicAttributes

        public BasicAttributes()
        Constructs a new instance of Attributes. The character case of attribute identifiers is significant when subsequently retrieving or adding attributes.
      • BasicAttributes

        public BasicAttributes(boolean ignoreCase)
        Constructs a new instance of Attributes. If ignoreCase is true, the character case of attribute identifiers is ignored; otherwise the case is significant.
        Parameters:
        ignoreCase - true means this attribute set will ignore the case of its attribute identifiers when retrieving or adding attributes; false means case is respected.
      • BasicAttributes

        public BasicAttributes(String attrID,
                               Object val)
        Constructs a new instance of Attributes with one attribute. The attribute specified by attrID and val are added to the newly created attribute. The character case of attribute identifiers is significant when subsequently retrieving or adding attributes.
        Parameters:
        attrID - non-null The id of the attribute to add.
        val - The value of the attribute to add. If null, a null value is added to the attribute.
      • BasicAttributes

        public BasicAttributes(String attrID,
                               Object val,
                               boolean ignoreCase)
        Constructs a new instance of Attributes with one attribute. The attribute specified by attrID and val are added to the newly created attribute. If ignoreCase is true, the character case of attribute identifiers is ignored; otherwise the case is significant.
        Parameters:
        attrID - non-null The id of the attribute to add. If this attribute set ignores the character case of its attribute ids, the case of attrID is ignored.
        val - The value of the attribute to add. If null, a null value is added to the attribute.
        ignoreCase - true means this attribute set will ignore the case of its attribute identifiers when retrieving or adding attributes; false means case is respected.
    • Method Detail

      • clone

        public Object clone()
        Description copied from class: Object
        Creates and returns a copy of this object. The precise meaning of "copy" may depend on the class of the object. The general intent is that, for any object x, the expression:
         x.clone() != x
        will be true, and that the expression:
         x.clone().getClass() == x.getClass()
        will be true, but these are not absolute requirements. While it is typically the case that:
         x.clone().equals(x)
        will be true, this is not an absolute requirement.

        By convention, the returned object should be obtained by calling super.clone. If a class and all of its superclasses (except Object) obey this convention, it will be the case that x.clone().getClass() == x.getClass().

        By convention, the object returned by this method should be independent of this object (which is being cloned). To achieve this independence, it may be necessary to modify one or more fields of the object returned by super.clone before returning it. Typically, this means copying any mutable objects that comprise the internal "deep structure" of the object being cloned and replacing the references to these objects with references to the copies. If a class contains only primitive fields or references to immutable objects, then it is usually the case that no fields in the object returned by super.clone need to be modified.

        The method clone for class Object performs a specific cloning operation. First, if the class of this object does not implement the interface Cloneable, then a CloneNotSupportedException is thrown. Note that all arrays are considered to implement the interface Cloneable and that the return type of the clone method of an array type T[] is T[] where T is any reference or primitive type. Otherwise, this method creates a new instance of the class of this object and initializes all its fields with exactly the contents of the corresponding fields of this object, as if by assignment; the contents of the fields are not themselves cloned. Thus, this method performs a "shallow copy" of this object, not a "deep copy" operation.

        The class Object does not itself implement the interface Cloneable, so calling the clone method on an object whose class is Object will result in throwing an exception at run time.

        Specified by:
        clone in interface Attributes
        Overrides:
        clone in class Object
        Returns:
        a clone of this instance.
        See Also:
        Cloneable
      • isCaseIgnored

        public boolean isCaseIgnored()
        Description copied from interface: Attributes
        Determines whether the attribute set ignores the case of attribute identifiers when retrieving or adding attributes.
        Specified by:
        isCaseIgnored in interface Attributes
        Returns:
        true if case is ignored; false otherwise.
      • size

        public int size()
        Description copied from interface: Attributes
        Retrieves the number of attributes in the attribute set.
        Specified by:
        size in interface Attributes
        Returns:
        The nonnegative number of attributes in this attribute set.
      • getAll

        public NamingEnumeration<Attribute> getAll()
        Description copied from interface: Attributes
        Retrieves an enumeration of the attributes in the attribute set. The effects of updates to this attribute set on this enumeration are undefined.
        Specified by:
        getAll in interface Attributes
        Returns:
        A non-null enumeration of the attributes in this attribute set. Each element of the enumeration is of class Attribute. If attribute set has zero attributes, an empty enumeration is returned.
      • getIDs

        public NamingEnumeration<String> getIDs()
        Description copied from interface: Attributes
        Retrieves an enumeration of the ids of the attributes in the attribute set. The effects of updates to this attribute set on this enumeration are undefined.
        Specified by:
        getIDs in interface Attributes
        Returns:
        A non-null enumeration of the attributes' ids in this attribute set. Each element of the enumeration is of class String. If attribute set has zero attributes, an empty enumeration is returned.
      • put

        public Attribute put(String attrID,
                             Object val)
        Description copied from interface: Attributes
        Adds a new attribute to the attribute set.
        Specified by:
        put in interface Attributes
        Parameters:
        attrID - non-null The id of the attribute to add. If the attribute set ignores the character case of its attribute ids, the case of attrID is ignored.
        val - The possibly null value of the attribute to add. If null, the attribute does not have any values.
        Returns:
        The Attribute with attrID that was previous in this attribute set; null if no such attribute existed.
        See Also:
        Attributes.remove(java.lang.String)
      • put

        public Attribute put(Attribute attr)
        Description copied from interface: Attributes
        Adds a new attribute to the attribute set.
        Specified by:
        put in interface Attributes
        Parameters:
        attr - The non-null attribute to add. If the attribute set ignores the character case of its attribute ids, the case of attr's identifier is ignored.
        Returns:
        The Attribute with the same ID as attr that was previous in this attribute set; null if no such attribute existed.
        See Also:
        Attributes.remove(java.lang.String)
      • remove

        public Attribute remove(String attrID)
        Description copied from interface: Attributes
        Removes the attribute with the attribute id 'attrID' from the attribute set. If the attribute does not exist, ignore.
        Specified by:
        remove in interface Attributes
        Parameters:
        attrID - The non-null id of the attribute to remove. If the attribute set ignores the character case of its attribute ids, the case of attrID is ignored.
        Returns:
        The Attribute with the same ID as attrID that was previous in the attribute set; null if no such attribute existed.
      • toString

        public String toString()
        Generates the string representation of this attribute set. The string consists of each attribute identifier and the contents of each attribute. The contents of this string is useful for debugging and is not meant to be interpreted programmatically.
        Overrides:
        toString in class Object
        Returns:
        A non-null string listing the contents of this attribute set.
      • equals

        public boolean equals(Object obj)
        Determines whether this BasicAttributes is equal to another Attributes Two Attributes are equal if they are both instances of Attributes, treat the case of attribute IDs the same way, and contain the same attributes. Each Attribute in this BasicAttributes is checked for equality using Object.equals(), which may have be overridden by implementations of Attribute). If a subclass overrides equals(), it should override hashCode() as well so that two Attributes instances that are equal have the same hash code.
        Overrides:
        equals in class Object
        Parameters:
        obj - the possibly null object to compare against.
        Returns:
        true If obj is equal to this BasicAttributes.
        See Also:
        hashCode()
      • hashCode

        public int hashCode()
        Calculates the hash code of this BasicAttributes.

        The hash code is computed by adding the hash code of the attributes of this object. If this BasicAttributes ignores case of its attribute IDs, one is added to the hash code. If a subclass overrides hashCode(), it should override equals() as well so that two Attributes instances that are equal have the same hash code.

        Overrides:
        hashCode in class Object
        Returns:
        an int representing the hash code of this BasicAttributes instance.
        See Also:
        equals(java.lang.Object)


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