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java.util.jar
Class Attributes.Name  

java.lang.Object
  java.util.jar.Attributes.Name

Enclosing class:

Attributes

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public static class Attributes.Name

extends java.lang.Object

Represents a name of a Manifest Attribute. Defines a couple of well know names for the general main attributes, stand alone application attributes, applet attributes, extension identification attributes, package versioning and sealing attributes, file contents attributes, bean objects attribute and signing attributes. See the

The characters of a Name must obey the following restrictions:

• Must contain at least one character
• The first character must be alphanumeric (a-z, A-Z, 0-9)
• All other characters must be alphanumeric, a '-' or a '_'

When comparing Names (with equals) all characters are converted to lowercase. But you can get the original case sensitive string with the toString() method.

Most important attributes have a constant defined in this class. Some other attributes used in Manifest files are:

• "Created-By" - General main attribute, tool and version that created this Manifest file.
• "Java-Bean" - Bean objects attribute, whether the entry is a Bean. Value is either "true" or "false".
• "Magic" - Signing attribute, application specific signing attribute. Must be understood by the manifest parser when present to validate the jar (entry).

Since:

1.2

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Field Summary
static Attributes.Name	CLASS_PATH           General main attribute - (relative) file paths of the libraries/classpaths that the Classes in this jar file depend on.
static Attributes.Name	CONTENT_TYPE           File contents attribute - Mime type and subtype for the jar entry.
static Attributes.Name	EXTENSION_INSTALLATION           Extension identification attribute - synonym for EXTENSTION_NAME.
static Attributes.Name	EXTENSION_LIST           Applet attribute - a list of extension libraries that the applet in this jar file depends on.
static Attributes.Name	EXTENSION_NAME           Extension identification attribute - the name if the extension library contained in the jar.
static Attributes.Name	IMPLEMENTATION_TITLE           Package versioning - name of extension library contained in this jar.
static Attributes.Name	IMPLEMENTATION_URL           Package versioning - location where this implementation can be downloaded.
static Attributes.Name	IMPLEMENTATION_VENDOR           Package versioning - name of extension library creator contained in this jar.
static Attributes.Name	IMPLEMENTATION_VENDOR_ID           Package versioning - unique id of extension library creator.
static Attributes.Name	IMPLEMENTATION_VERSION           Package versioning - version of the extension library contained in this jar.
static Attributes.Name	MAIN_CLASS           Stand alone application attribute - the entry (without the .class ending) that is the main class of this jar file.
static Attributes.Name	MANIFEST_VERSION           General main attribute - the version of this Manifest file.
private  java.lang.String	name           The (lowercase) String representation of this Name
private  java.lang.String	origName           The original String given to the constructor
static Attributes.Name	SEALED           Package sealing - whether (all) package(s) is(/are) sealed.
static Attributes.Name	SIGNATURE_VERSION           General main attribute - the version of the jar file signature.
static Attributes.Name	SPECIFICATION_TITLE           Package versioning - title of the specification contained in this jar.
static Attributes.Name	SPECIFICATION_VENDOR           Package versioning - organisation that maintains the specification contains in this jar.
static Attributes.Name	SPECIFICATION_VERSION           Package versioning - version of the specification contained in this jar.

 

Constructor Summary

Attributes.Name(java.lang.String name)           Creates a new Name from the given String.

 

Method Summary
boolean	equals(java.lang.Object o)           Checks if another object is equal to this Name object.
int	hashCode()           Returns the hash code of the (lowercase) String representation of this Name.
java.lang.String	toString()           Returns the string representation of this Name as given to the constructor (not neccesarily the lower case representation).

 

Methods inherited from class java.lang.Object

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

 

Field Detail

MANIFEST_VERSION

public static final Attributes.Name MANIFEST_VERSION

General main attribute - the version of this Manifest file.

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SIGNATURE_VERSION

public static final Attributes.Name SIGNATURE_VERSION

General main attribute - the version of the jar file signature.

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CLASS_PATH

public static final Attributes.Name CLASS_PATH

General main attribute - (relative) file paths of the libraries/classpaths that the Classes in this jar file depend on. Paths are separated by spaces.

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MAIN_CLASS

public static final Attributes.Name MAIN_CLASS

Stand alone application attribute - the entry (without the .class ending) that is the main class of this jar file.

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EXTENSION_LIST

public static final Attributes.Name EXTENSION_LIST

Applet attribute - a list of extension libraries that the applet in this jar file depends on. For every named extension there should be some Attributes in the Manifest manifest file with the following Names:

• <extension>-Extension-Name: unique name of the extension
• <extension>-Specification-Version: minimum specification version
• <extension>-Implementation-Version: minimum implementation version
• <extension>-Implementation-Vendor-Id: unique id of implementation vendor
• <extension>-Implementation-URL: where the latest version of the extension library can be found

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EXTENSION_NAME

public static final Attributes.Name EXTENSION_NAME

Extension identification attribute - the name if the extension library contained in the jar.

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EXTENSION_INSTALLATION

public static final Attributes.Name EXTENSION_INSTALLATION

Extension identification attribute - synonym for EXTENSTION_NAME.

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IMPLEMENTATION_TITLE

public static final Attributes.Name IMPLEMENTATION_TITLE

Package versioning - name of extension library contained in this jar.

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IMPLEMENTATION_VERSION

public static final Attributes.Name IMPLEMENTATION_VERSION

Package versioning - version of the extension library contained in this jar.

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IMPLEMENTATION_VENDOR

public static final Attributes.Name IMPLEMENTATION_VENDOR

Package versioning - name of extension library creator contained in this jar.

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IMPLEMENTATION_VENDOR_ID

public static final Attributes.Name IMPLEMENTATION_VENDOR_ID

Package versioning - unique id of extension library creator.

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IMPLEMENTATION_URL

public static final Attributes.Name IMPLEMENTATION_URL

Package versioning - location where this implementation can be downloaded.

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SPECIFICATION_TITLE

public static final Attributes.Name SPECIFICATION_TITLE

Package versioning - title of the specification contained in this jar.

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SPECIFICATION_VERSION

public static final Attributes.Name SPECIFICATION_VERSION

Package versioning - version of the specification contained in this jar.

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SPECIFICATION_VENDOR

public static final Attributes.Name SPECIFICATION_VENDOR

Package versioning - organisation that maintains the specification contains in this jar.

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SEALED

public static final Attributes.Name SEALED

Package sealing - whether (all) package(s) is(/are) sealed. Value is either "true" or "false".

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CONTENT_TYPE

public static final Attributes.Name CONTENT_TYPE

File contents attribute - Mime type and subtype for the jar entry.

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name

private final java.lang.String name

The (lowercase) String representation of this Name

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origName

private final java.lang.String origName

The original String given to the constructor

Constructor Detail

Attributes.Name

public Attributes.Name(java.lang.String name)
                throws java.lang.IllegalArgumentException,
                       java.lang.NullPointerException

Creates a new Name from the given String. Throws an IllegalArgumentException if the given String is empty or contains any illegal Name characters.

Method Detail

hashCode

public int hashCode()

Returns the hash code of the (lowercase) String representation of this Name.

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equals

public boolean equals(java.lang.Object o)

Checks if another object is equal to this Name object. Another object is equal to this Name object if it is an instance of Name and the (lowercase) string representation of the name is equal.

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toString

public java.lang.String toString()

Returns the string representation of this Name as given to the constructor (not neccesarily the lower case representation).

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