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/*
* Copyright (c) 2010 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
/*
* Copyright (c) 2015 Tarun Gupta.
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
package com.isode.stroke.network;
import com.isode.stroke.network.HostAddress;
import com.isode.stroke.network.HostAddressPort;
import com.isode.stroke.network.DomainNameResolver;
import com.isode.stroke.network.DomainNameServiceQuery;
import com.isode.stroke.network.DomainNameAddressQuery;
import com.isode.stroke.eventloop.EventLoop;
import com.isode.stroke.eventloop.EventOwner;
import com.isode.stroke.eventloop.Event;
import java.util.Vector;
import java.util.Map;
import java.util.HashMap;
public class StaticDomainNameResolver extends DomainNameResolver {
private EventLoop eventLoop;
private boolean isResponsive;
private Map<String, Vector<HostAddress> > addresses = new HashMap<String, Vector<HostAddress> >();
private Vector<Pair> services = new Vector<Pair>();
private EventOwner owner;
class ServiceQuery extends DomainNameServiceQuery {
public ServiceQuery(final String service, StaticDomainNameResolver resolver, EventLoop eventLoop, EventOwner owner) {
this.eventLoop = eventLoop;
this.service = service;
this.resolver = resolver;
this.owner = owner;
}
public void run() {
if (!resolver.getIsResponsive()) {
return;
}
final Vector<DomainNameServiceQuery.Result> results = new Vector<DomainNameServiceQuery.Result>();
for(StaticDomainNameResolver.Pair i : resolver.getServices()) {
if(i.node.equals(service)) {
results.add(i.queryResult);
}
}
eventLoop.postEvent(new Event.Callback() {
@Override
public void run() {
emitOnResult(results);
}
}, owner);
}
public void emitOnResult(Vector<DomainNameServiceQuery.Result> results) {
onResult.emit(results);
}
public EventLoop eventLoop;
public String service = "";
public StaticDomainNameResolver resolver;
public EventOwner owner;
};
class AddressQuery extends DomainNameAddressQuery {
public AddressQuery(final String host, StaticDomainNameResolver resolver, EventLoop eventLoop, EventOwner owner) {
this.eventLoop = eventLoop;
this.host = host;
this.resolver = resolver;
this.owner = owner;
}
public void run() {
if (!resolver.getIsResponsive()) {
return;
}
if (resolver.getAddresses().containsKey(host)) {
eventLoop.postEvent(new Event.Callback() {
@Override
public void run() {
emitOnResult(resolver.getAddresses().get(host), null);
}
});
}
else {
eventLoop.postEvent(new Event.Callback() {
@Override
public void run() {
emitOnResult(new Vector<HostAddress>(), new DomainNameResolveError());
}
});
}
}
public void emitOnResult(Vector<HostAddress> results, DomainNameResolveError error) {
onResult.emit(results, error);
}
public EventLoop eventLoop;
public String host = "";
public StaticDomainNameResolver resolver;
public EventOwner owner;
};
private class Pair {
public String node;
public DomainNameServiceQuery.Result queryResult;
public Pair(String j, DomainNameServiceQuery.Result n) {node = j; queryResult = n;}
@Override
public boolean equals(Object o) {
if (!(o instanceof Pair)) return false;
Pair o1 = (Pair) o;
return queryResult.equals(o1.queryResult) && node.equals(o1.node);
}
}
class StaticDomainNameResolverEventOwner implements EventOwner {
};
public StaticDomainNameResolver(EventLoop eventLoop) {
this.eventLoop = eventLoop;
isResponsive = true;
owner = new StaticDomainNameResolverEventOwner();
}
public void addAddress(final String domain, final HostAddress address) {
Vector<HostAddress> vec = new Vector<HostAddress>();
vec.add(address);
if(!(addresses.containsKey(domain))) {
addresses.put(domain, vec);
}
else {
addresses.get(domain).add(address);
}
}
public void addService(final String service, final DomainNameServiceQuery.Result result) {
services.add(new Pair(service, result));
}
public void addXMPPClientService(final String domain, final HostAddressPort address) {
int hostid = 0;
String hostname = "host-" + Integer.toString(hostid);
hostid++;
addService("_xmpp-client._tcp." + domain, new ServiceQuery.Result(hostname, address.getPort(), 0, 0));
addAddress(hostname, address.getAddress());
}
public void addXMPPClientService(final String domain, final String hostname, int port) {
addService("_xmpp-client._tcp." + domain, new ServiceQuery.Result(hostname, port, 0, 0));
}
public Map<String, Vector<HostAddress> > getAddresses() {
return addresses;
}
public Vector<Pair> getServices() {
return services;
}
public boolean getIsResponsive() {
return isResponsive;
}
public void setIsResponsive(boolean b) {
isResponsive = b;
}
public DomainNameServiceQuery createServiceQuery(final String serviceLookupPrefix, final String domain) {
return new ServiceQuery(serviceLookupPrefix + domain, this, eventLoop, owner);
}
public DomainNameAddressQuery createAddressQuery(final String name) {
return new AddressQuery(name, this, eventLoop, owner);
}
}
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Swift