Package org.springframework.http

Record Class ETag

java.lang.Object
java.lang.Record
org.springframework.http.ETag
Record Components:
tag - the unquoted tag value
weak - whether the entity tag is for weak or strong validation
public record ETag(String tag, boolean weak) extends Record
Represents an ETag for HTTP conditional requests.
Since:
5.3.38
Author:
Rossen Stoyanchev
See Also:

  • Constructor Summary

    Constructors
    Constructor
    Description
    ETag(String tag, boolean weak)
    Creates an instance of a ETag record class.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    compare(ETag other, boolean strong)
    Perform a strong or weak comparison to another ETag.
    static ETag
    create(String rawValue)
    Create an ETag instance from a String representation.
    boolean
    equals(Object other)
    Indicates whether some other object is "equal to" this one.
    String
    formattedTag()
    Return the fully formatted tag including "W/" prefix and quotes.
    int
    hashCode()
    Returns a hash code value for this object.
    boolean
    isWildcard()
    Whether this a wildcard tag matching to any entity tag value.
    static List<ETag>
    parse(String source)
    Parse entity tags from an "If-Match" or "If-None-Match" header.
    static String
    quoteETagIfNecessary(String tag)
    Add quotes around the ETag value if not present already.
    String
    tag()
    Returns the value of the tag record component.
    String
    toString()
    Returns a string representation of this record class.
    boolean
    weak()
    Returns the value of the weak record component.

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • ETag

      public ETag(String tag, boolean weak)
      Creates an instance of a ETag record class.
      Parameters:
      tag - the value for the tag record component
      weak - the value for the weak record component

  • Method Details

    • isWildcard

      public boolean isWildcard()
      Whether this a wildcard tag matching to any entity tag value.

    • compare

      public boolean compare(ETag other, boolean strong)
      Perform a strong or weak comparison to another ETag.
      Parameters:
      other - the ETag to compare to
      strong - whether to perform strong or weak comparison
      Returns:
      whether there is a match or not
      Since:
      6.2
      See Also:

    • equals

      public boolean equals(Object other)
      Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. Reference components are compared with Objects::equals(Object,Object); primitive components are compared with '=='.
      Specified by:
      equals in class Record
      Parameters:
      other - the object with which to compare
      Returns:
      true if this object is the same as the other argument; false otherwise.

    • hashCode

      public int hashCode()
      Returns a hash code value for this object. The value is derived from the hash code of each of the record components.
      Specified by:
      hashCode in class Record
      Returns:
      a hash code value for this object

    • toString

      public String toString()
      Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.
      Specified by:
      toString in class Record
      Returns:
      a string representation of this object

    • formattedTag

      public String formattedTag()
      Return the fully formatted tag including "W/" prefix and quotes.

    • create

      public static ETag create(String rawValue)
      Create an ETag instance from a String representation.
      Parameters:
      rawValue - the formatted ETag value
      Returns:
      the created instance
      Since:
      6.2

    • parse

      public static List<ETag> parse(String source)
      Parse entity tags from an "If-Match" or "If-None-Match" header.
      Parameters:
      source - the source string to parse
      Returns:
      the parsed ETags

    • quoteETagIfNecessary

      public static String quoteETagIfNecessary(String tag)
      Add quotes around the ETag value if not present already.
      Parameters:
      tag - the ETag value
      Returns:
      the resulting, quoted value
      Since:
      6.2

    • tag

      public String tag()
      Returns the value of the tag record component.
      Returns:
      the value of the tag record component

    • weak

      public boolean weak()
      Returns the value of the weak record component.
      Returns:
      the value of the weak record component