Module org.pcap4j.core

Package org.pcap4j.packet

Class DnsQuestion

java.lang.Object

org.pcap4j.packet.DnsQuestion

All Implemented Interfaces:

Serializable

public final class DnsQuestion
extends Object
implements Serializable

DNS Question

                                 1  1  1  1  1  1
   0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5
 +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
 |                                               |
 /                     QNAME                     /
 /                                               /
 +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
 |                     QTYPE                     |
 +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
 |                     QCLASS                    |
 +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
 

Since:

pcap4j 1.7.1

See Also:

• RFC 1035
• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	DnsQuestion.Builder

Field Summary

Fields

Modifier and Type	Field	Description
private final DnsClass	qClass
private final DnsDomainName	qName
private final DnsResourceRecordType	qType
private static final long	serialVersionUID

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DnsQuestion(byte[] rawData, int offset, int length)
private	DnsQuestion(DnsQuestion.Builder builder)

Method Summary

Modifier and Type	Method	Description
private String	convertToString(String indent, byte[] headerRawData)
boolean	equals(Object obj)
DnsQuestion.Builder	getBuilder()
DnsClass	getQClass()
DnsDomainName	getQName()
DnsResourceRecordType	getQType()
byte[]	getRawData()
int	hashCode()
int	length()
static DnsQuestion	newInstance(byte[] rawData, int offset, int length)	A static factory method.
String	toString()
String	toString(String indent)
String	toString(String indent, byte[] headerRawData)

Methods inherited from class java.lang.Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

qName

private final DnsDomainName qName

qType

private final DnsResourceRecordType qType

qClass

private final DnsClass qClass

Constructor Details

DnsQuestion

private DnsQuestion(byte[] rawData,
 int offset,
 int length)
             throws IllegalRawDataException

Throws:

IllegalRawDataException

DnsQuestion

private DnsQuestion(DnsQuestion.Builder builder)

Method Details

newInstance

public static DnsQuestion newInstance(byte[] rawData,
 int offset,
 int length)
                               throws IllegalRawDataException

A static factory method. This method validates the arguments by ByteArrays.validateBounds(byte[], int, int), which may throw exceptions undocumented here.

Parameters:

rawData - rawData

offset - offset

length - length

Returns:

a new DnsQuestion object.

Throws:

IllegalRawDataException - if parsing the raw data fails.

getQName

public DnsDomainName getQName()

Returns:

qName

getQType

public DnsResourceRecordType getQType()

Returns:

qType

getQClass

public DnsClass getQClass()

Returns:

qClass

getBuilder

public DnsQuestion.Builder getBuilder()

Returns:

a new Builder object populated with this object's fields.

getRawData

public byte[] getRawData()

Returns:

the raw data.

length

public int length()

Returns:

length

toString

public String toString()

Overrides:

toString in class Object

toString

public String toString(String indent)

Parameters:

indent - indent

Returns:

String representation of this object.

toString

public String toString(String indent,
 byte[] headerRawData)

Parameters:

indent - indent

headerRawData - the raw data of the DNS header including this question.

Returns:

String representation of this object.

convertToString

private String convertToString(String indent,
 byte[] headerRawData)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object