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Java Source Code / Java Documentation » Apache Harmony Java SE » javax package » javax.swing.text.html.parser 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   javax.swing.text.html.parser.Asn1Element

Asn1Element
class Asn1Element (Code)
It implements ASN.1 codification tools for javax.swing.text.html.parser.Element. Given an Element, its values are codified in ASN.1 according to the following rule:
 HTMLElement ::= SEQUENCE {
 index INTEGER, 
 name UTF8String,
 type INTEGER,
 oStart BOOLEAN,
 oEnd BOOLEAN,
 exclusions [0] IMPLICIT SET OF INTEGER OPTIONAL,
 inclusions [1] IMPLICIT SET OF INTEGER OPTIONAL,
 attributes SET OF HTMLElementAttributes OPTIONAL,
 contentModel HTMLContentModel
 }
 
The class can be used to obtain a byte array representing the codification of an Element, as well as an Element from a byte array (previously obtained codifying an Element). In fact, it serves as a wrapper for the codification and the Element itself.



Constructor Summary
public  Asn1Element(byte[] encoded)
     Constructs a new instance of an Asn1Element class from a byte array.
public  Asn1Element(Element element)
     Constructs a new instance of an Asn1Element class from an Element.

Method Summary
public  ElementgetElement()
     Returns the Element obtained from the decodification of an ASN.1 codified byte array.

If the Asn1Element was created giving an Element, a reference to the same Element is obtained.

public  byte[]getEncoded()
     Returns the representation of an Element in ASN.1 codification.

If the Asn1Element object was created with an Element, then the Element is codified and returned as a byte array.

static  ASN1TypegetInstance()
     It returns an ASN1Type value that contains the ASN.1 codification rules for an Element with its encoder and decoder.


Constructor Detail
Asn1Element
public Asn1Element(byte[] encoded)(Code)
Constructs a new instance of an Asn1Element class from a byte array. The byte array received as argument can be later decodified into an Element.
Parameters:
  encoded - A byte array containing the codified information of anElement.



Asn1Element
public Asn1Element(Element element)(Code)
Constructs a new instance of an Asn1Element class from an Element. The Element received as argument can be then codified into a byte array.

The value received as argument should not be null. If so, a NullPointerException is thrown.
Parameters:
  element - The Element to be codified.





Method Detail
getElement
public Element getElement() throws IOException(Code)
Returns the Element obtained from the decodification of an ASN.1 codified byte array.

If the Asn1Element was created giving an Element, a reference to the same Element is obtained. Otherwise, the byte array given at construction time is decodificated into a new Element object. If at construction time an Element was given, thesame Element is returned. If at construction timea byte array was given, an Element constructedwith the information stored in that byte array is returned.
throws:
  IOException - If the decodification process could not be carried outproperly.




getEncoded
public byte[] getEncoded()(Code)
Returns the representation of an Element in ASN.1 codification.

If the Asn1Element object was created with an Element, then the Element is codified and returned as a byte array. On the other hand, if the instance was created using a byte array, then no codification process is made. If at construction time an Element was given, itsrepresentation in ASN.1 codification. If at construction time abyte array was given, a copy of the same array is returned.




getInstance
static ASN1Type getInstance()(Code)
It returns an ASN1Type value that contains the ASN.1 codification rules for an Element with its encoder and decoder.

Among other things, this method can be used to declare the types of new fields in other structures, as for example, in an Asn1DTD. The value that defines an ASN.1 Elementrepresentation with its encoder/decoder.




Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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