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java.lang.Objectorg.xbill.DNS.SimpleResolver
An implementation of Resolver that sends one query to one server. SimpleResolver handles TCP retries, transaction security (TSIG), and EDNS 0.
Resolver,
TSIG,
OPTRecord| Field Summary | |
static int |
DEFAULT_PORT
The default port to send queries to |
| Constructor Summary | |
SimpleResolver()
Creates a SimpleResolver. |
|
SimpleResolver(String hostname)
Creates a SimpleResolver that will query the specified host |
|
| Method Summary | |
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. |
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 |
setIgnoreTruncation(boolean flag)
Sets whether truncated responses will be ignored. |
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 |
setTSIGKey(Name name,
byte[] key)
Specifies the TSIG key that messages will be signed with |
void |
setTSIGKey(String key)
Specifies the TSIG key (with the same name as the local host) that messages will be signed with. |
void |
setTSIGKey(String name,
String key)
Specifies the TSIG key that messages will be signed with |
void |
setTSIGKey(TSIG key)
Specifies the TSIG key that messages will be signed with |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
public static final int DEFAULT_PORT
| Constructor Detail |
public SimpleResolver(String hostname)
throws UnknownHostException
UnknownHostException - Failure occurred while finding the host
public SimpleResolver()
throws UnknownHostException
UnknownHostException - Failure occurred while finding the hostFindServer| Method Detail |
public static void setDefaultResolver(String hostname)
public void setPort(int port)
Resolver
setPort in interface Resolverport - The port to send messages topublic void setTCP(boolean flag)
Resolver
setTCP in interface Resolverflag - Indicates whether TCP connections are madepublic void setIgnoreTruncation(boolean flag)
Resolver
setIgnoreTruncation in interface Resolverflag - Indicates whether truncated responses should be ignored.public void setEDNS(int level)
Resolver
setEDNS in interface Resolverlevel - The EDNS level to use. 0 indicates EDNS0 and -1 indicates no
EDNS.public void setTSIGKey(TSIG key)
Resolver
setTSIGKey in interface Resolverkey - The key
public void setTSIGKey(Name name,
byte[] key)
Resolver
setTSIGKey in interface Resolvername - The key namekey - The key data
public void setTSIGKey(String name,
String key)
Resolver
setTSIGKey in interface Resolvername - The key namekey - The key data, represented as either a base64 encoded string
or (if the first character is ':') a hex encoded string
public void setTSIGKey(String key)
throws UnknownHostException
Resolver
setTSIGKey in interface Resolverkey - The key data, represented as either a base64 encoded string
or (if the first character is ':') a hex encoded string
UnknownHostException - The local host name could not be determinedpublic void setTimeout(int secs)
Resolver
setTimeout 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)
sendAsync in interface Resolverquery - The query to sendlistener - The object containing the callbacks.
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