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java.lang.Objectorg.apache.asn1.ber.digester.AbstractRule
org.apache.asn1.ber.digester.rules.PrimitiveOctetStringRule
public class PrimitiveOctetStringRule
A rule that collects the value bytes of an ASN.1 OCTET STRING and pushes the buffer of bytes onto the digester's Object stack as a ByteBuffer.
This rule can only handle primitive octet strings. Constructed OCTET STRING values are simply ignored by this rule rather than throwing exceptions.
Field Summary | |
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private ByteAccumulator |
accumulator
used to accumulate value bytes |
private boolean |
isConstructed
used to determine if our type is constructed or primitive |
private TagEnum |
tag
the tag to be accepted which defaults to an UNIVERSAL OCTET_STRING |
Constructor Summary | |
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PrimitiveOctetStringRule()
Creates a rule using defaults where only the OCTET_STRING tag id is accepted. |
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PrimitiveOctetStringRule(TagEnum tag)
Creates a rule where only a specific tag is accepted. |
Method Summary | |
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void |
finish()
Called when the tlv has been completely consumed. |
protected ByteAccumulator |
getAccumulator()
Gets the ByteAccumulator used by this octet string gathering rule. |
protected TagEnum |
getTag()
Gets the tag associated with this rule. |
protected boolean |
isConstructed()
Gets whether or not the current TLV for this octet string is constructed. |
void |
length(int length)
Called when the length of a TLV is encountered. |
protected void |
setConstructed(boolean isConstructed)
Gets whether or not the current TLV for this octet string is constructed. |
void |
tag(int id,
boolean isPrimitive,
TypeClass typeClass)
Rejects tag id's that are not equal to this Rules's id. |
void |
value(java.nio.ByteBuffer buf)
Called when a peice of the value is available. |
Methods inherited from class org.apache.asn1.ber.digester.AbstractRule |
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getDigester, setDigester |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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private final ByteAccumulator accumulator
private boolean isConstructed
private final TagEnum tag
Constructor Detail |
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public PrimitiveOctetStringRule()
public PrimitiveOctetStringRule(TagEnum tag)
tag
- the tag to acceptMethod Detail |
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public void tag(int id, boolean isPrimitive, TypeClass typeClass)
tag
in interface Rule
tag
in class AbstractRule
id
- the tag's idisPrimitive
- whether tlv is primitive or constructedtypeClass
- the tag's type classRule.tag(int, boolean,
org.apache.asn1.ber.TypeClass)
public void length(int length)
Rule
length
in interface Rule
length
in class AbstractRule
length
- the length in bytes of the valuepublic void value(java.nio.ByteBuffer buf)
Rule
value
in interface Rule
value
in class AbstractRule
buf
- a portion of the valuepublic void finish()
Rule
finish
in interface Rule
finish
in class AbstractRule
protected ByteAccumulator getAccumulator()
protected boolean isConstructed()
protected void setConstructed(boolean isConstructed)
isConstructed
- true to set to constructed, false otherwiseprotected TagEnum getTag()
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