Modifier and Type	Class and Description
public static class	Attributes.Name The Attributes.Name class represents an attribute name stored in this Map.

Modifier and Type	Field and Description
protected Map<Object, Object>	map The attribute name-value mappings.

Access	Constructor and Description
public	Attributes() Constructs a new, empty Attributes object with default size.
public	Attributes(int the initial number of attributes size) Constructs a new, empty Attributes object with the specified initial size.
public	Attributes(Attributes the specified Attributes attr) Constructs a new Attributes object with the same attribute name-value mappings as in the specified Attributes.

Method Summary

Modifier and Type	Method and Description
public void	clear() Implements java.util.Map.clear. Removes all attributes from this Map.
public Object	clone() Overrides java.lang.Object.clone. Returns a copy of the Attributes, implemented as follows: public Object clone() { return new Attributes(this); }
public boolean	Returns: true if this Map contains the specified attribute name containsKey(Object the attribute name name) Implements java.util.Map.containsKey. Returns true if this Map contains the specified attribute name (key).
public boolean	Returns: true if this Map maps one or more attribute names to the specified value containsValue(Object the attribute value value) Implements java.util.Map.containsValue. Returns true if this Map maps one or more attribute names (keys) to the specified value.
public Set<Map.Entry<Object, Object>>	entrySet() Implements java.util.Map.entrySet. Returns a Collection view of the attribute name-value mappings contained in this Map.
public boolean	Returns: true if the specified Object is equal to this Map equals(Object the Object to be compared o) Overrides java.lang.Object.equals. Implements java.util.Map.equals. Compares the specified object to the underlying map for equality.
public Object	Returns: the value of the specified attribute name, or null if not found. get(Object the attribute name name) Implements java.util.Map.get. Returns the value of the specified attribute name, or null if the attribute name was not found.
public String	Returns: the String value of the specified attribute name, or null if not found. getValue(String the attribute name as a string name) Returns the value of the specified attribute name, specified as a string, or null if the attribute was not found.
public String	Returns: the String value of the specified Attribute.Name, or null if not found. getValue(Attributes.Name the Attributes.Name object name) Returns the value of the specified Attributes.Name, or null if the attribute was not found.
public int	hashCode() Overrides java.lang.Object.hashCode. Implements java.util.Map.hashCode. Returns the hash code value for this Map.
public boolean	isEmpty() Implements java.util.Map.isEmpty. Returns true if this Map contains no attributes.
public Set<Object>	keySet() Implements java.util.Map.keySet. Returns a Set view of the attribute names (keys) contained in this Map.
public Object	Returns: the previous value of the attribute, or null if none put(Object the attribute name name, Object the attribute value value) Implements java.util.Map.put. Associates the specified value with the specified attribute name (key) in this Map.
public void	putAll(Map<?, ?> the Attributes to be stored in this map attr) Implements java.util.Map.putAll. Copies all of the attribute name-value mappings from the specified Attributes to this Map.
public String	Returns: the previous value of the attribute, or null if none putValue(String the attribute name as a string name, String the attribute value value) Associates the specified value with the specified attribute name, specified as a String.
pack-priv void	read(Manifest.FastInputStream is, byte[] lbuf)
pack-priv int	read(Manifest.FastInputStream is, byte[] lbuf, String filename, int lineNumber)
public Object	Returns: the previous value of the attribute, or null if none remove(Object attribute name name) Implements java.util.Map.remove. Removes the attribute with the specified name (key) from this Map.
public int	size() Implements java.util.Map.size. Returns the number of attributes in this Map.
public Collection<Object>	values() Implements java.util.Map.values. Returns a Collection view of the attribute values contained in this Map.
pack-priv void	write(DataOutputStream out)
pack-priv void	writeMain(DataOutputStream out)

Inherited from java.lang.Object:: finalize getClass notify notifyAll toString wait wait wait

map	back to summary
protected Map<Object, Object> map The attribute name-value mappings.

Constructor Detail

Attributes	back to summary
public Attributes() Constructs a new, empty Attributes object with default size.

Attributes	back to summary
public Attributes(int size) Constructs a new, empty Attributes object with the specified initial size. Parameters size:int the initial number of attributes

Attributes

back to summary

public Attributes(int size)

Constructs a new, empty Attributes object with the specified initial size.

Parameters

size:int: the initial number of attributes

Attributes	back to summary
public Attributes(Attributes attr) Constructs a new Attributes object with the same attribute name-value mappings as in the specified Attributes. Parameters attr:Attributes the specified Attributes

Attributes

back to summary

public Attributes(Attributes attr)

Constructs a new Attributes object with the same attribute name-value mappings as in the specified Attributes.

Parameters

attr:Attributes: the specified Attributes

Method Detail

clear	back to summary
public void clear() Implements java.util.Map.clear. Removes all attributes from this Map.

clear

back to summary

public void clear()

Implements java.util.Map.clear.

Removes all attributes from this Map.

clone	back to summary
public Object clone() Overrides java.lang.Object.clone. Returns a copy of the Attributes, implemented as follows: public Object clone() { return new Attributes(this); } Since the attribute names and values are themselves immutable, the Attributes returned can be safely modified without affecting the original. Returns:Object Doc from java.lang.Object.clone. a clone of this instance.

clone

back to summary

public Object clone()

Overrides java.lang.Object.clone.

Returns a copy of the Attributes, implemented as follows:

    public Object clone() { return new Attributes(this); }

Since the attribute names and values are themselves immutable, the Attributes returned can be safely modified without affecting the original.

Returns:Object

Doc from java.lang.Object.clone.

a clone of this instance.

containsKey	back to summary
public boolean containsKey(Object name) Implements java.util.Map.containsKey. Returns true if this Map contains the specified attribute name (key). Parameters name:Object the attribute name Returns:boolean true if this Map contains the specified attribute name

containsKey

back to summary

public boolean containsKey(Object name)

Implements java.util.Map.containsKey.

Returns true if this Map contains the specified attribute name (key).

Parameters

name:Object: the attribute name

Returns:boolean

true if this Map contains the specified attribute name

containsValue	back to summary
public boolean containsValue(Object value) Implements java.util.Map.containsValue. Returns true if this Map maps one or more attribute names (keys) to the specified value. Parameters value:Object the attribute value Returns:boolean true if this Map maps one or more attribute names to the specified value

containsValue

back to summary

public boolean containsValue(Object value)

Implements java.util.Map.containsValue.

Returns true if this Map maps one or more attribute names (keys) to the specified value.

Parameters

value:Object: the attribute value

Returns:boolean

true if this Map maps one or more attribute names to the specified value

entrySet	back to summary
public Set<Map.Entry<Object, Object>> entrySet() Implements java.util.Map.entrySet. Returns a Collection view of the attribute name-value mappings contained in this Map. Returns:Set<Map.Entry<Object, Object>> Doc from java.util.Map.entrySet. a set view of the mappings contained in this map

entrySet

back to summary

public Set<Map.Entry<Object, Object>> entrySet()

Implements java.util.Map.entrySet.

Returns a Collection view of the attribute name-value mappings contained in this Map.

Returns:Set<Map.Entry<Object, Object>>

Doc from java.util.Map.entrySet.

a set view of the mappings contained in this map

equals	back to summary
public boolean equals(Object o) Overrides java.lang.Object.equals. Implements java.util.Map.equals. Compares the specified object to the underlying map for equality. Returns true if the given object is also a Map and the two maps represent the same mappings. Parameters o:Object the Object to be compared Returns:boolean true if the specified Object is equal to this Map

equals

back to summary

public boolean equals(Object o)

Overrides java.lang.Object.equals.

Implements java.util.Map.equals.

Compares the specified object to the underlying map for equality. Returns true if the given object is also a Map and the two maps represent the same mappings.

Parameters

o:Object: the Object to be compared

Returns:boolean

true if the specified Object is equal to this Map

get	back to summary
public Object get(Object name) Implements java.util.Map.get. Returns the value of the specified attribute name, or null if the attribute name was not found. Parameters name:Object the attribute name Returns:Object the value of the specified attribute name, or null if not found.

get

back to summary

public Object get(Object name)

Implements java.util.Map.get.

Returns the value of the specified attribute name, or null if the attribute name was not found.

Parameters

name:Object: the attribute name

Returns:Object

the value of the specified attribute name, or null if not found.

getValue	back to summary
public String getValue(String name) Returns the value of the specified attribute name, specified as a string, or null if the attribute was not found. The attribute name is case-insensitive. This method is defined as: return (String)get(new Attributes.Name((String)name)); Parameters name:String the attribute name as a string Returns:String the String value of the specified attribute name, or null if not found. Exceptions IllegalArgumentException: if the attribute name is invalid

getValue

back to summary

public String getValue(String name)

Returns the value of the specified attribute name, specified as a string, or null if the attribute was not found. The attribute name is case-insensitive.

This method is defined as:

     return (String)get(new Attributes.Name((String)name));

Parameters

name:String: the attribute name as a string

Returns:String

the String value of the specified attribute name, or null if not found.

Exceptions

IllegalArgumentException:: if the attribute name is invalid

getValue	back to summary
public String getValue(Attributes.Name name) Returns the value of the specified Attributes.Name, or null if the attribute was not found. This method is defined as: return (String)get(name); Parameters name:Attributes.Name the Attributes.Name object Returns:String the String value of the specified Attribute.Name, or null if not found.

getValue

back to summary

public String getValue(Attributes.Name name)

Returns the value of the specified Attributes.Name, or null if the attribute was not found.

This method is defined as:

    return (String)get(name);

Parameters

name:Attributes.Name: the Attributes.Name object

Returns:String

the String value of the specified Attribute.Name, or null if not found.

hashCode	back to summary
public int hashCode() Overrides java.lang.Object.hashCode. Implements java.util.Map.hashCode. Returns the hash code value for this Map. Returns:int Doc from java.util.Map.hashCode. the hash code value for this map

hashCode

back to summary

public int hashCode()

Overrides java.lang.Object.hashCode.

Implements java.util.Map.hashCode.

Returns the hash code value for this Map.

Returns:int

Doc from java.util.Map.hashCode.

the hash code value for this map

isEmpty back to summary

isEmpty	back to summary
public boolean isEmpty() Implements java.util.Map.isEmpty. Returns true if this Map contains no attributes. Returns:boolean Doc from java.util.Map.isEmpty. `true` if this map contains no key-value mappings

public boolean isEmpty()

Implements java.util.Map.isEmpty.

Returns true if this Map contains no attributes.

Returns:boolean

Doc from java.util.Map.isEmpty.

true if this map contains no key-value mappings

keySet	back to summary
public Set<Object> keySet() Implements java.util.Map.keySet. Returns a Set view of the attribute names (keys) contained in this Map. Returns:Set<Object> Doc from java.util.Map.keySet. a set view of the keys contained in this map

keySet

back to summary

public Set<Object> keySet()

Implements java.util.Map.keySet.

Returns a Set view of the attribute names (keys) contained in this Map.

Returns:Set<Object>

Doc from java.util.Map.keySet.

a set view of the keys contained in this map

put	back to summary
public Object put(Object name, Object value) Implements java.util.Map.put. Associates the specified value with the specified attribute name (key) in this Map. If the Map previously contained a mapping for the attribute name, the old value is replaced. Parameters name:Object the attribute name value:Object the attribute value Returns:Object the previous value of the attribute, or null if none Exceptions ClassCastException: if the name is not a Attributes.Name or the value is not a String

put

back to summary

public Object put(Object name, Object value)

Implements java.util.Map.put.

Associates the specified value with the specified attribute name (key) in this Map. If the Map previously contained a mapping for the attribute name, the old value is replaced.

Parameters

name:Object: the attribute name
value:Object: the attribute value

Returns:Object

the previous value of the attribute, or null if none

Exceptions

ClassCastException:: if the name is not a Attributes.Name or the value is not a String

putAll	back to summary
public void putAll(Map<?, ?> attr) Implements java.util.Map.putAll. Copies all of the attribute name-value mappings from the specified Attributes to this Map. Duplicate mappings will be replaced. Parameters attr:Map<?, ?> the Attributes to be stored in this map Exceptions ClassCastException: if attr is not an Attributes

putAll

back to summary

public void putAll(Map<?, ?> attr)

Implements java.util.Map.putAll.

Copies all of the attribute name-value mappings from the specified Attributes to this Map. Duplicate mappings will be replaced.

Parameters

attr:Map<?, ?>: the Attributes to be stored in this map

Exceptions

ClassCastException:: if attr is not an Attributes

putValue	back to summary
public String putValue(String name, String value) Associates the specified value with the specified attribute name, specified as a String. The attributes name is case-insensitive. If the Map previously contained a mapping for the attribute name, the old value is replaced. This method is defined as: return (String)put(new Attributes.Name(name), value); Parameters name:String the attribute name as a string value:String the attribute value Returns:String the previous value of the attribute, or null if none Exceptions IllegalArgumentException: if the attribute name is invalid

putValue

back to summary

public String putValue(String name, String value)

Associates the specified value with the specified attribute name, specified as a String. The attributes name is case-insensitive. If the Map previously contained a mapping for the attribute name, the old value is replaced.

This method is defined as:

     return (String)put(new Attributes.Name(name), value);

Parameters

name:String: the attribute name as a string
value:String: the attribute value

Returns:String

the previous value of the attribute, or null if none

Exceptions

IllegalArgumentException:: if the attribute name is invalid

read	back to summary
pack-priv void read(Manifest.FastInputStream is, byte[] lbuf) throws IOException

read	back to summary
pack-priv int read(Manifest.FastInputStream is, byte[] lbuf, String filename, int lineNumber) throws IOException

remove	back to summary
public Object remove(Object name) Implements java.util.Map.remove. Removes the attribute with the specified name (key) from this Map. Returns the previous attribute value, or null if none. Parameters name:Object attribute name Returns:Object the previous value of the attribute, or null if none

remove

back to summary

public Object remove(Object name)

Implements java.util.Map.remove.

Removes the attribute with the specified name (key) from this Map. Returns the previous attribute value, or null if none.

Parameters

name:Object: attribute name

Returns:Object

the previous value of the attribute, or null if none

size	back to summary
public int size() Implements java.util.Map.size. Returns the number of attributes in this Map. Returns:int Doc from java.util.Map.size. the number of key-value mappings in this map

size

back to summary

public int size()

Implements java.util.Map.size.

Returns the number of attributes in this Map.

Returns:int

Doc from java.util.Map.size.

the number of key-value mappings in this map

values	back to summary
public Collection<Object> values() Implements java.util.Map.values. Returns a Collection view of the attribute values contained in this Map. Returns:Collection<Object> Doc from java.util.Map.values. a collection view of the values contained in this map

values

back to summary

public Collection<Object> values()

Implements java.util.Map.values.

Returns a Collection view of the attribute values contained in this Map.

Returns:Collection<Object>

Doc from java.util.Map.values.

a collection view of the values contained in this map

write	back to summary
pack-priv void write(DataOutputStream out) throws IOException

writeMain	back to summary
pack-priv void writeMain(DataOutputStream out) throws IOException

java.util.jar back to summary

public Class Attributes.Name

Class Inheritance

extends Object

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

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 Specification: JAR File Specification

Field Summary

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

Constructor Summary

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

Method Summary

Modifier and Type	Method and Description
private static void	addName(Map<String, Attributes.Name> names, Attributes.Name name)
public boolean	Returns: true if this attribute name is equal to the specified attribute object equals(Object the object to compare o) Overrides java.lang.Object.equals. Compares this attribute name to another for equality.
private final int	hash(String name)
public int	hashCode() Overrides java.lang.Object.hashCode. Computes the hash value for this attribute name.
pack-priv static final Attributes.Name	of(String name)
public String	toString() Overrides java.lang.Object.toString. Returns the attribute name as a String.

Inherited from java.lang.Object:: clone finalize getClass notify notifyAll wait wait wait

Field Detail

CLASS_PATH back to summary

CLASS_PATH	back to summary
public static final Attributes.Name CLASS_PATH `Name` object for `Class-Path` manifest attribute. See Also JAR file specification

public static final Attributes.Name CLASS_PATH

Name object for Class-Path manifest attribute.

See Also: JAR file specification

CONTENT_TYPE	back to summary
public static final Attributes.Name CONTENT_TYPE `Name` object for `Content-Type` manifest attribute.

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

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

hashCode	back to summary
private final int hashCode

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

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

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

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

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

KNOWN_NAMES	back to summary
private static Map<String, Attributes.Name> KNOWN_NAMES Avoid allocation for common Names Annotations @Stable

MAIN_CLASS	back to summary
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.

MANIFEST_VERSION back to summary

MANIFEST_VERSION	back to summary
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

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

MULTI_RELEASE back to summary

MULTI_RELEASE	back to summary
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

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

name	back to summary
private final String name

SEALED back to summary

SEALED	back to summary
public static final Attributes.Name SEALED `Name` object for `Sealed` manifest attribute used for sealing. See Also Package Sealing

public static final Attributes.Name SEALED

Name object for Sealed manifest attribute used for sealing.

See Also: Package Sealing

SIGNATURE_VERSION back to summary

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

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

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

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