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.

Since:

1.2

External Specifications

• JAR File Specification

Field Summary

Fields

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

Constructors

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:

• Manifest and Signature Specification

SIGNATURE_VERSION

public static final Attributes.Name SIGNATURE_VERSION

Name object for Signature-Version manifest attribute used when signing JAR files.

See Also:

• Manifest and Signature Specification

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:

• JAR file specification

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:

• Package Sealing

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:

• Object.hashCode()
• HashMap

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:

• Object.equals(java.lang.Object)
• System.identityHashCode(java.lang.Object)

toString

public String toString()

Returns the attribute name as a String.

Overrides:

toString in class Object

Returns:

a string representation of the object