| Modifier and Type | Field and Description |
|---|---|
static int |
DEFAULT_EDNS_PAYLOADSIZE
The default EDNS payload size
|
static int |
DEFAULT_PORT
The default port to send queries to
|
| Constructor and Description |
|---|
SimpleResolver()
Creates a SimpleResolver.
|
SimpleResolver(String hostname)
Creates a SimpleResolver that will query the specified host
|
| Modifier and Type | Method and Description |
|---|---|
Message |
send(Message query)
Sends a message to a single server and waits for a response.
|
Object |
sendAsync(Message query,
ResolverListener listener)
Asynchronously sends a message to a single server, registering a listener
to receive a callback on success or exception.
|
void |
setAddress(InetAddress addr)
Sets the address of the server to communicate with (on the default
DNS port)
|
void |
setAddress(InetSocketAddress addr)
Sets the address of the server to communicate with.
|
static void |
setDefaultResolver(String hostname)
Sets the default host (initially localhost) to query
|
void |
setEDNS(int level)
Sets the EDNS version used on outgoing messages.
|
void |
setEDNS(int level,
int payloadSize,
int flags,
List options)
Sets the EDNS information on outgoing messages.
|
void |
setIgnoreTruncation(boolean flag)
Sets whether truncated responses will be ignored.
|
void |
setLocalAddress(InetAddress addr)
Sets the local address to bind to when sending messages.
|
void |
setLocalAddress(InetSocketAddress addr)
Sets the local address to bind to when sending messages.
|
void |
setPort(int port)
Sets the port to communicate with on the server
|
void |
setTCP(boolean flag)
Sets whether TCP connections will be sent by default
|
void |
setTimeout(int secs)
Sets the amount of time to wait for a response before giving up.
|
void |
setTimeout(int secs,
int msecs)
Sets the amount of time to wait for a response before giving up.
|
void |
setTSIGKey(TSIG key)
Specifies the TSIG key that messages will be signed with
|
public static final int DEFAULT_PORT
public static final int DEFAULT_EDNS_PAYLOADSIZE
public SimpleResolver(String hostname) throws UnknownHostException
UnknownHostException - Failure occurred while finding the hostpublic SimpleResolver()
throws UnknownHostException
UnknownHostException - Failure occurred while finding the hostResolverConfigpublic static void setDefaultResolver(String hostname)
public void setPort(int port)
Resolverpublic void setAddress(InetSocketAddress addr)
addr - The address of the DNS serverpublic void setAddress(InetAddress addr)
addr - The address of the DNS serverpublic void setLocalAddress(InetSocketAddress addr)
addr - The local address to send messages from.public void setLocalAddress(InetAddress addr)
addr - The local address to send messages from.public void setTCP(boolean flag)
Resolverpublic void setIgnoreTruncation(boolean flag)
ResolversetIgnoreTruncation in interface Resolverflag - Indicates whether truncated responses should be ignored.public void setEDNS(int level,
int payloadSize,
int flags,
List options)
ResolversetEDNS in interface Resolverlevel - The EDNS level to use. 0 indicates EDNS0 and -1 indicates no
EDNS.payloadSize - The maximum DNS packet size that this host is capable
of receiving over UDP. If 0 is specified, the default (1280) is used.flags - EDNS extended flags to be set in the OPT record.options - EDNS options to be set in the OPT record, specified as a
List of OPTRecord.Option elements.OPTRecordpublic void setEDNS(int level)
Resolverpublic void setTSIGKey(TSIG key)
ResolversetTSIGKey in interface Resolverkey - The keypublic void setTimeout(int secs,
int msecs)
ResolversetTimeout in interface Resolversecs - The number of seconds to wait.msecs - The number of milliseconds to wait.public void setTimeout(int secs)
ResolversetTimeout in interface Resolversecs - The number of seconds to wait.public Message send(Message query) throws IOException
send in interface Resolverquery - The query to send.IOException - An error occurred while sending or receiving.public Object sendAsync(Message query, ResolverListener listener)