added configurable api_url

.gitignore

@@ -1 +1,2 @@
 *.class
+/build

com/opentok/api/API_Config.java

@@ -9,12 +9,17 @@
 package com.opentok.api;
 
 public class API_Config {
-	public static final int API_KEY = 4317;
-
-	public static final String API_SECRET = "91e6f7609074be23b40747a4651ba5a7";
-
-	public static final String API_URL = "http://staging.tokbox.com/hl";
-	// Uncomment this line when you launch your app
-	// public static final String API_URL = "https://api.opentok.com/hl";
+    public static final String STAGING_URL = "http://staging.tokbox.com/hl";
+    public static final String PRODUCTION_URL = "https://api.opentok.com/hl";
+
+    final int api_key;
+    final String api_secret;
+    final String api_url;
+
+    API_Config(int api_key, String api_secret, String api_url){
+        this.api_key = api_key;
+        this.api_secret = api_secret;
+        this.api_url = api_url;
+    }
 }
 

com/opentok/api/OpenTokSDK.java

@@ -28,13 +28,20 @@
 import com.opentok.api.OpenTokSession;
 
 public class OpenTokSDK {
+	protected final API_Config apiConfig;
 
-	protected int api_key;
-	protected String api_secret;
+	private OpenTokSDK(int api_key, String api_secret, String api_url){
+		this.apiConfig = new API_Config(api_key, api_secret, api_url);
+	}
 
-	public OpenTokSDK(int api_key, String api_secret) {
-		this.api_key = api_key;
-		this.api_secret = api_secret.trim();
+	private OpenTokSDK staging(int api_key, String api_secret) {
+		return new OpenTokSDK(api_key, api_secret, API_Config.STAGING_URL);
+	}
+	private OpenTokSDK production(int api_key, String api_secret) {
+		return new OpenTokSDK(api_key, api_secret, API_Config.PRODUCTION_URL);
+	}
+	private OpenTokSDK create(int api_key, String api_secret, String api_url) {
+		return new OpenTokSDK(api_key, api_secret, api_url);
 	}
 
 	/**
@@ -88,12 +95,12 @@ public String generate_token(String session_id, String role, Long expire_time, S
 
 			StringBuilder inner_builder = new StringBuilder();
 			inner_builder.append("partner_id=");
-			inner_builder.append(this.api_key);
+			inner_builder.append(apiConfig.api_key);
 
 			inner_builder.append("&sig=");
 
 			inner_builder.append(GenerateMac.calculateRFC2104HMAC(data_string_builder.toString(),
-																  this.api_secret));
+																  apiConfig.api_secret));
 			inner_builder.append(":");
 			inner_builder.append(data_string_builder.toString());
 
@@ -162,9 +169,9 @@ public OpenTokSession create_session(String location, Map<String, String> params
 	protected TokBoxXML do_request(String url, Map<String, String> params) throws OpenTokException {
 		TokBoxNetConnection n = new TokBoxNetConnection();
 		Map<String, String> headers = new HashMap<String, String>();
-		headers.put("X-TB-PARTNER-AUTH", this.api_key + ":" + this.api_secret);
+		headers.put("X-TB-PARTNER-AUTH", apiConfig.api_key + ":" + apiConfig.api_secret);
 
-		return new TokBoxXML(n.request(API_Config.API_URL + url, params, headers));
+		return new TokBoxXML(n.request(apiConfig.api_url + url, params, headers));
 	}
 
 	protected static String join(List<String> s, String delimiter) throws java.io.UnsupportedEncodingException{