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openjdk / 21 / java.base / java / util / jar / attributes.name.html

Class Attributes.Name

java.lang.Object
java.util.jar.Attributes.Name
Enclosing class:
Attributes 
public static class Attributes.Name extends Object
The Attributes.Name class represents an attribute name stored in this Map. Valid attribute names are case-insensitive, are restricted to the ASCII characters in the set [0-9a-zA-Z_-], and cannot exceed 70 characters in length. Attribute values can contain any characters and will be UTF8-encoded when written to the output stream. See the JAR File Specification for more information about valid attribute names and values.
External Specifications

Field Summary

Modifier and Type Field Description
static final Attributes.Name CLASS_PATH
Name object for Class-Path manifest attribute.
static final Attributes.Name CONTENT_TYPE
Name object for Content-Type manifest attribute.
static final Attributes.Name EXTENSION_INSTALLATION
Deprecated.
Extension mechanism is no longer supported.
static final Attributes.Name EXTENSION_LIST
Name object for Extension-List manifest attribute used for the extension mechanism that is no longer supported.
static final Attributes.Name EXTENSION_NAME
Name object for Extension-Name manifest attribute used for the extension mechanism that is no longer supported.
static final Attributes.Name IMPLEMENTATION_TITLE
Name object for Implementation-Title manifest attribute used for package versioning.
static final Attributes.Name IMPLEMENTATION_URL
Deprecated.
Extension mechanism is no longer supported.
static final Attributes.Name IMPLEMENTATION_VENDOR
Name object for Implementation-Vendor manifest attribute used for package versioning.
static final Attributes.Name IMPLEMENTATION_VENDOR_ID
Deprecated.
Extension mechanism is no longer supported.
static final Attributes.Name IMPLEMENTATION_VERSION
Name object for Implementation-Version manifest attribute used for package versioning.
static final Attributes.Name MAIN_CLASS
Name object for Main-Class manifest attribute used for launching applications packaged in JAR files.
static final Attributes.Name MANIFEST_VERSION
Name object for Manifest-Version manifest attribute.
static final Attributes.Name MULTI_RELEASE
Name object for Multi-Release manifest attribute that indicates this is a multi-release JAR file.
static final Attributes.Name SEALED
Name object for Sealed manifest attribute used for sealing.
static final Attributes.Name SIGNATURE_VERSION
Name object for Signature-Version manifest attribute used when signing JAR files.
static final Attributes.Name SPECIFICATION_TITLE
Name object for Specification-Title manifest attribute used for package versioning.
static final Attributes.Name SPECIFICATION_VENDOR
Name object for Specification-Vendor manifest attribute used for package versioning.
static final Attributes.Name SPECIFICATION_VERSION
Name object for Specification-Version manifest attribute used for package versioning.

Constructor Summary

Constructor Description
Name(String name)
Constructs a new attribute name using the given string name.

Method Summary

Modifier and Type Method Description
boolean equals(Object o)
Compares this attribute name to another for equality.
int hashCode()
Computes the hash value for this attribute name.
String toString()
Returns the attribute name as a String.

Methods declared in class java.lang.Object

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

Field Details

MANIFEST_VERSION

public static final Attributes.Name MANIFEST_VERSION
Name object for Manifest-Version manifest attribute. This attribute indicates the version number of the manifest standard to which a JAR file's manifest conforms.
See Also:

SIGNATURE_VERSION

public static final Attributes.Name SIGNATURE_VERSION
Name object for Signature-Version manifest attribute used when signing JAR files.
See Also:

CONTENT_TYPE

public static final Attributes.Name CONTENT_TYPE
Name object for Content-Type manifest attribute.

CLASS_PATH

public static final Attributes.Name CLASS_PATH
Name object for Class-Path manifest attribute.
See Also:

MAIN_CLASS

public static final Attributes.Name MAIN_CLASS
Name object for Main-Class manifest attribute used for launching applications packaged in JAR files. The Main-Class attribute is used in conjunction with the -jar command-line option of the java application launcher.

SEALED

public static final Attributes.Name SEALED
Name object for Sealed manifest attribute used for sealing.
See Also:

EXTENSION_LIST

public static final Attributes.Name EXTENSION_LIST
Name object for Extension-List manifest attribute used for the extension mechanism that is no longer supported.

EXTENSION_NAME

public static final Attributes.Name EXTENSION_NAME
Name object for Extension-Name manifest attribute used for the extension mechanism that is no longer supported.

EXTENSION_INSTALLATION

@Deprecated public static final Attributes.Name EXTENSION_INSTALLATION
Deprecated.
Extension mechanism is no longer supported.
Name object for Extension-Installation manifest attribute.

IMPLEMENTATION_TITLE

public static final Attributes.Name IMPLEMENTATION_TITLE
Name object for Implementation-Title manifest attribute used for package versioning.

IMPLEMENTATION_VERSION

public static final Attributes.Name IMPLEMENTATION_VERSION
Name object for Implementation-Version manifest attribute used for package versioning.

IMPLEMENTATION_VENDOR

public static final Attributes.Name IMPLEMENTATION_VENDOR
Name object for Implementation-Vendor manifest attribute used for package versioning.

IMPLEMENTATION_VENDOR_ID

@Deprecated public static final Attributes.Name IMPLEMENTATION_VENDOR_ID
Deprecated.
Extension mechanism is no longer supported.
Name object for Implementation-Vendor-Id manifest attribute.

IMPLEMENTATION_URL

@Deprecated public static final Attributes.Name IMPLEMENTATION_URL
Deprecated.
Extension mechanism is no longer supported.
Name object for Implementation-URL manifest attribute.

SPECIFICATION_TITLE

public static final Attributes.Name SPECIFICATION_TITLE
Name object for Specification-Title manifest attribute used for package versioning.

SPECIFICATION_VERSION

public static final Attributes.Name SPECIFICATION_VERSION
Name object for Specification-Version manifest attribute used for package versioning.

SPECIFICATION_VENDOR

public static final Attributes.Name SPECIFICATION_VENDOR
Name object for Specification-Vendor manifest attribute used for package versioning.

MULTI_RELEASE

public static final Attributes.Name MULTI_RELEASE
Name object for Multi-Release manifest attribute that indicates this is a multi-release JAR file.
Since:
9

Constructor Details

Name

public Name(String name)
Constructs a new attribute name using the given string name.
Parameters:
name - the attribute string name
Throws:
IllegalArgumentException - if the attribute name was invalid
NullPointerException - if the attribute name was null

Method Details

equals

public boolean equals(Object o)
Compares this attribute name to another for equality.
Overrides:
equals in class Object
Parameters:
o - the object to compare
Returns:
true if this attribute name is equal to the specified attribute object
See Also:

hashCode

public int hashCode()
Computes the hash value for this attribute name.
Overrides:
hashCode in class Object
Returns:
a hash code value for this object.
See Also:

toString

public String toString()
Returns the attribute name as a String.
Overrides:
toString in class Object
Returns:
a string representation of the object.

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/jar/Attributes.Name.html