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package org.jivesoftware.smack;
import java.io.File;
import android.os.Build;
import org.jivesoftware.smack.proxy.ProxyInfo;
import org.jivesoftware.smack.util.DNSUtil;
import org.jivesoftware.smack.util.dns.HostAddress;
import java.util.List;
/**
* This class wraps DNS SRV lookups for a new ConnectionConfiguration in a
* new thread, since Android API >= 11 (Honeycomb) does not allow network
* activity in the main thread.
*
* @author Florian Schmaus fschmaus@gmail.com
*
*/
public class AndroidConnectionConfiguration extends ConnectionConfiguration {
private static final int DEFAULT_TIMEOUT = 10000;
/**
* Creates a new ConnectionConfiguration for the specified service name.
* A DNS SRV lookup will be performed to find out the actual host address
* and port to use for the connection.
*
* @param serviceName the name of the service provided by an XMPP server.
*/
public AndroidConnectionConfiguration(String serviceName) throws XMPPException {
super();
AndroidInit(serviceName, DEFAULT_TIMEOUT);
}
/**
*
* @param serviceName
* @param timeout
* @throws XMPPException
*/
public AndroidConnectionConfiguration(String serviceName, int timeout) throws XMPPException {
super();
AndroidInit(serviceName, timeout);
}
public AndroidConnectionConfiguration(String host, int port, String name) {
super(host, port, name);
AndroidInit();
}
private void AndroidInit() {
// API 14 is Ice Cream Sandwich
if (Build.VERSION.SDK_INT >= 14) {
setTruststoreType("AndroidCAStore");
setTruststorePassword(null);
setTruststorePath(null);
} else {
setTruststoreType("BKS");
String path = System.getProperty("javax.net.ssl.trustStore");
if (path == null)
path = System.getProperty("java.home") + File.separator + "etc"
+ File.separator + "security" + File.separator
+ "cacerts.bks";
setTruststorePath(path);
}
}
/**
*
* @param serviceName
* @param timeout
* @throws XMPPException
*/
private void AndroidInit(String serviceName, int timeout) throws XMPPException {
AndroidInit();
class DnsSrvLookupRunnable implements Runnable {
String serviceName;
List<HostAddress> addresses;
public DnsSrvLookupRunnable(String serviceName) {
this.serviceName = serviceName;
}
@Override
public void run() {
addresses = DNSUtil.resolveXMPPDomain(serviceName);
}
public List<HostAddress> getHostAddresses() {
return addresses;
}
}
DnsSrvLookupRunnable dnsSrv = new DnsSrvLookupRunnable(serviceName);
Thread t = new Thread(dnsSrv, "dns-srv-lookup");
t.start();
try {
t.join(timeout);
} catch (InterruptedException e) {
throw new XMPPException("DNS lookup timeout after " + timeout + "ms", e);
}
hostAddresses = dnsSrv.getHostAddresses();
if (hostAddresses == null) {
throw new XMPPException("DNS lookup failure");
}
ProxyInfo proxy = ProxyInfo.forDefaultProxy();
init(serviceName, proxy);
}
}
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