Java Code Examples for org.xbill.DNS.Lookup#SUCCESSFUL
The following examples show how to use
org.xbill.DNS.Lookup#SUCCESSFUL .
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Example 1
| Source File: XBillDnsSrvResolver.java From dns-java with Apache License 2.0 | 7 votes |
|
@Override
public List<LookupResult> resolve(final String fqdn) {
Lookup lookup = lookupFactory.forName(fqdn);
Record[] queryResult = lookup.run();
switch (lookup.getResult()) {
case Lookup.SUCCESSFUL:
return toLookupResults(queryResult);
case Lookup.HOST_NOT_FOUND:
// fallthrough
case Lookup.TYPE_NOT_FOUND:
LOG.warn("No results returned for query '{}'; result from XBill: {} - {}",
fqdn, lookup.getResult(), lookup.getErrorString());
return ImmutableList.of();
default:
throw new DnsException(
String.format("Lookup of '%s' failed with code: %d - %s ",
fqdn, lookup.getResult(), lookup.getErrorString()));
}
}
Example 2
| Source File: lookup.java From dnsjava with BSD 2-Clause "Simplified" License | 6 votes |
|
public static void printAnswer(String name, Lookup lookup) {
System.out.print(name + ":");
int result = lookup.getResult();
if (result != Lookup.SUCCESSFUL) {
System.out.print(" " + lookup.getErrorString());
}
System.out.println();
Name[] aliases = lookup.getAliases();
if (aliases.length > 0) {
System.out.print("# aliases: ");
for (int i = 0; i < aliases.length; i++) {
System.out.print(aliases[i]);
if (i < aliases.length - 1) {
System.out.print(" ");
}
}
System.out.println();
}
if (lookup.getResult() == Lookup.SUCCESSFUL) {
Record[] answers = lookup.getAnswers();
for (Record answer : answers) {
System.out.println(answer);
}
}
}
Example 3
| Source File: Helperfunctions.java From open-rmbt with Apache License 2.0 | 6 votes |
|
public static String reverseDNSLookup(final InetAddress adr)
{
try
{
final Name name = ReverseMap.fromAddress(adr);
final Lookup lookup = new Lookup(name, Type.PTR);
lookup.setResolver(new SimpleResolver());
lookup.setCache(null);
final Record[] records = lookup.run();
if (lookup.getResult() == Lookup.SUCCESSFUL)
for (final Record record : records)
if (record instanceof PTRRecord)
{
final PTRRecord ptr = (PTRRecord) record;
return ptr.getTarget().toString();
}
}
catch (final Exception e)
{
}
return null;
}
Example 4
| Source File: AddressLookup.java From mireka with Apache License 2.0 | 5 votes |
|
private Record[] queryAddressRecords(Name name) throws SendException {
Lookup lookup = new Lookup(name);
Record[] records = lookup.run();
switch (lookup.getResult()) {
case Lookup.SUCCESSFUL:
return records;
case Lookup.TYPE_NOT_FOUND:
throw new SendException("Host " + name + " has no address record ("
+ lookup.getErrorString() + ")",
EnhancedStatus.PERMANENT_UNABLE_TO_ROUTE);
case Lookup.HOST_NOT_FOUND:
throw new SendException("Host " + name + " is not found ("
+ lookup.getErrorString() + ")",
EnhancedStatus.PERMANENT_UNABLE_TO_ROUTE);
case Lookup.TRY_AGAIN:
throw new SendException(
"DNS network failure while looking up address of " + name
+ ": " + lookup.getErrorString(),
EnhancedStatus.TRANSIENT_DIRECTORY_SERVER_FAILURE);
case Lookup.UNRECOVERABLE:
throw new SendException(
"Unrecoverable DNS error while looking up address of "
+ name + ": " + lookup.getErrorString(),
EnhancedStatus.PERMANENT_UNABLE_TO_ROUTE);
default:
throw new SendException(
"Unknown DNS status while looking up address of " + name
+ ": " + lookup.getResult() + ". "
+ lookup.getErrorString(),
EnhancedStatus.PERMANENT_INTERNAL_ERROR);
}
}
Example 5
| Source File: Helperfunctions.java From open-rmbt with Apache License 2.0 | 5 votes |
|
public static Long getASN(final InetAddress adr)
{
try
{
final Name postfix;
if (adr instanceof Inet6Address)
postfix = Name.fromConstantString("origin6.asn.cymru.com");
else
postfix = Name.fromConstantString("origin.asn.cymru.com");
final Name name = getReverseIPName(adr, postfix);
System.out.println("lookup: " + name);
final Lookup lookup = new Lookup(name, Type.TXT);
lookup.setResolver(new SimpleResolver());
lookup.setCache(null);
final Record[] records = lookup.run();
if (lookup.getResult() == Lookup.SUCCESSFUL)
for (final Record record : records)
if (record instanceof TXTRecord)
{
final TXTRecord txt = (TXTRecord) record;
@SuppressWarnings("unchecked")
final List<String> strings = txt.getStrings();
if (strings != null && !strings.isEmpty())
{
final String result = strings.get(0);
final String[] parts = result.split(" ?\\| ?");
if (parts != null && parts.length >= 1)
return new Long(parts[0]);
}
}
}
catch (final Exception e)
{
}
return null;
}
Example 6
| Source File: Helperfunctions.java From open-rmbt with Apache License 2.0 | 5 votes |
|
public static String getASName(final long asn)
{
try
{
final Name postfix = Name.fromConstantString("asn.cymru.com.");
final Name name = new Name(String.format("AS%d", asn), postfix);
System.out.println("lookup: " + name);
final Lookup lookup = new Lookup(name, Type.TXT);
lookup.setResolver(new SimpleResolver());
lookup.setCache(null);
final Record[] records = lookup.run();
if (lookup.getResult() == Lookup.SUCCESSFUL)
for (final Record record : records)
if (record instanceof TXTRecord)
{
final TXTRecord txt = (TXTRecord) record;
@SuppressWarnings("unchecked")
final List<String> strings = txt.getStrings();
if (strings != null && !strings.isEmpty())
{
System.out.println(strings);
final String result = strings.get(0);
final String[] parts = result.split(" ?\\| ?");
if (parts != null && parts.length >= 1)
return parts[4];
}
}
}
catch (final Exception e)
{
}
return null;
}
Example 7
| Source File: Helperfunctions.java From open-rmbt with Apache License 2.0 | 5 votes |
|
public static String getAScountry(final long asn)
{
try
{
final Name postfix = Name.fromConstantString("asn.cymru.com.");
final Name name = new Name(String.format("AS%d", asn), postfix);
System.out.println("lookup: " + name);
final Lookup lookup = new Lookup(name, Type.TXT);
lookup.setResolver(new SimpleResolver());
lookup.setCache(null);
final Record[] records = lookup.run();
if (lookup.getResult() == Lookup.SUCCESSFUL)
for (final Record record : records)
if (record instanceof TXTRecord)
{
final TXTRecord txt = (TXTRecord) record;
@SuppressWarnings("unchecked")
final List<String> strings = txt.getStrings();
if (strings != null && !strings.isEmpty())
{
final String result = strings.get(0);
final String[] parts = result.split(" ?\\| ?");
if (parts != null && parts.length >= 1)
return parts[1];
}
}
}
catch (final Exception e)
{
}
return null;
}
