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Code Issues Releases Wiki Activity

Move DNS resolving into connect()

Browse source 
It was misplaced in ConnectionConfiguration anyways, as the sole
instantiation of a ConnectionConfiguration should not cause any network
I/O.
This commit is contained in:
Florian Schmaus 2014-03-18 17:29:38 +01:00
parent dbab9b8995
commit d349940537
7 changed files with 56 additions and 64 deletions
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42
resolver-javax/src/main/java/org/jivesoftware/smack/util/dns/JavaxResolver.java
View file

@ -1,6 +1,6 @@
/**
*
* Copyright 2013 Florian Schmaus
* Copyright 2013-2014 Florian Schmaus
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -21,6 +21,7 @@ import java.util.Hashtable;
import java.util.List;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;
import javax.naming.directory.DirContext;
@ -68,32 +69,23 @@ public class JavaxResolver implements DNSResolver {
}
@Override
public List<SRVRecord> lookupSRVRecords(String name) {
public List<SRVRecord> lookupSRVRecords(String name) throws NamingException {
List<SRVRecord> res = new ArrayList<SRVRecord>();
try {
Attributes dnsLookup = dirContext.getAttributes(name, new String[]{"SRV"});
Attribute srvAttribute = dnsLookup.get("SRV");
@SuppressWarnings("unchecked")
NamingEnumeration<String> srvRecords = (NamingEnumeration<String>) srvAttribute.getAll();
while (srvRecords.hasMore()) {
String srvRecordString = srvRecords.next();
String[] srvRecordEntries = srvRecordString.split(" ");
int priority = Integer.parseInt(srvRecordEntries[srvRecordEntries.length - 4]);
int port = Integer.parseInt(srvRecordEntries[srvRecordEntries.length - 2]);
int weight = Integer.parseInt(srvRecordEntries[srvRecordEntries.length - 3]);
String host = srvRecordEntries[srvRecordEntries.length - 1];
SRVRecord srvRecord;
try {
srvRecord = new SRVRecord(host, port, priority, weight);
} catch (Exception e) {
continue;
}
res.add(srvRecord);
}
} catch (Exception e) {
Attributes dnsLookup = dirContext.getAttributes(name, new String[] { "SRV" });
Attribute srvAttribute = dnsLookup.get("SRV");
@SuppressWarnings("unchecked")
NamingEnumeration<String> srvRecords = (NamingEnumeration<String>) srvAttribute.getAll();
while (srvRecords.hasMore()) {
String srvRecordString = srvRecords.next();
String[] srvRecordEntries = srvRecordString.split(" ");
int priority = Integer.parseInt(srvRecordEntries[srvRecordEntries.length - 4]);
int port = Integer.parseInt(srvRecordEntries[srvRecordEntries.length - 2]);
int weight = Integer.parseInt(srvRecordEntries[srvRecordEntries.length - 3]);
String host = srvRecordEntries[srvRecordEntries.length - 1];
SRVRecord srvRecord = new SRVRecord(host, port, priority, weight);
res.add(srvRecord);
}
return res;
}