Merge pull request #51 from ekudel/for_upsource

proxy support

src/main/java/io/socket/engineio/client/Socket.java

@@ -12,6 +12,7 @@ import org.json.JSONException;
 
 import javax.net.ssl.HostnameVerifier;
 import javax.net.ssl.SSLContext;
+import java.net.Proxy;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.*;
@@ -123,6 +124,9 @@ public class Socket extends Emitter {
     private Future pingIntervalTimer;
     private SSLContext sslContext;
     private HostnameVerifier hostnameVerifier;
+    public Proxy proxy;
+    public String proxyLogin;
+    public String proxyPassword;
 
     private ReadyState readyState;
     private ScheduledExecutorService heartbeatScheduler;
@@ -200,6 +204,9 @@ public class Socket extends Emitter {
         this.policyPort = opts.policyPort != 0 ? opts.policyPort : 843;
         this.rememberUpgrade = opts.rememberUpgrade;
         this.hostnameVerifier = opts.hostnameVerifier != null ? opts.hostnameVerifier : defaultHostnameVerifier;
+        this.proxy = opts.proxy;
+        this.proxyLogin = opts.proxyLogin;
+        this.proxyPassword = opts.proxyPassword;
     }
 
     public static void setDefaultSSLContext(SSLContext sslContext) {
@@ -266,6 +273,9 @@ public class Socket extends Emitter {
         opts.policyPort = this.policyPort;
         opts.socket = this;
         opts.hostnameVerifier = this.hostnameVerifier;
+        opts.proxy = this.proxy;
+        opts.proxyLogin = this.proxyLogin;
+        opts.proxyPassword = this.proxyPassword;
 
         Transport transport;
         if (WebSocket.NAME.equals(name)) {