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-rw-r--r--src/se/leap/leapclient/Provider.java162
1 files changed, 162 insertions, 0 deletions
diff --git a/src/se/leap/leapclient/Provider.java b/src/se/leap/leapclient/Provider.java
index e69de29b..a25909bf 100644
--- a/src/se/leap/leapclient/Provider.java
+++ b/src/se/leap/leapclient/Provider.java
@@ -0,0 +1,162 @@
+/**
+ *
+ */
+package se.leap.leapclient;
+
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.Locale;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import android.content.SharedPreferences;
+
+/**
+ * @author Sean Leonard <meanderingcode@aetherislands.net>
+ *
+ */
+final class Provider implements Serializable {
+
+ private static final long serialVersionUID = 6003835972151761353L;
+
+ private static Provider instance = null;
+
+ // We'll access our preferences here
+ private static SharedPreferences preferences = null;
+ // Represents our Provider's provider.json
+ private static JSONObject definition = null;
+
+
+ // Array of what API versions we understand
+ protected static final String[] API_VERSIONS = {"1"}; // I assume we might encounter arbitrary version "numbers"
+ // Some API pieces we want to know about
+ private static final String API_TERM_SERVICES = "services";
+ private static final String API_TERM_NAME = "name";
+ private static final String API_TERM_DEFAULT_LANGUAGE = "default_language";
+ protected static final String[] API_EIP_TYPES = {"openvpn"};
+
+ private static final String PREFS_EIP_NAME = null;
+
+
+
+ // What, no individual fields?! We're going to gamble on org.json.JSONObject and JSONArray
+ // Supporting multiple API versions will probably break this paradigm,
+ // Forcing me to write a real constructor and rewrite getters/setters
+ // Also will refactor if i'm instantiating the same local variables all the time
+
+ /**
+ *
+ */
+ private Provider(SharedPreferences preferences) {
+
+ // Load our preferences from SharedPreferences
+ // If there's nothing there, we will end up returning a rather empty object
+ // to whoever called getInstance() and they can run the First Run Wizard
+ //preferences = context.getgetPreferences(0); // 0 == MODE_PRIVATE, but we don't extend Android's classes...
+
+ // Inflate our provider.json data
+ try {
+ definition = new JSONObject( preferences.getString("provider", "") );
+ } catch (JSONException e) {
+ // TODO: handle exception
+
+ // FIXME!! We want "real" data!!
+ }
+ }
+
+ protected static Provider getInstance(SharedPreferences preferences){
+ if(instance==null){
+ instance = new Provider(preferences);
+ }
+ return instance;
+ }
+
+ protected String getName(){
+ // Should we pass the locale in, or query the system here?
+ String lang = Locale.getDefault().getLanguage();
+ String name = "Null"; // Should it actually /be/ null, for error conditions?
+ try {
+ name = definition.getJSONObject(API_TERM_NAME).getString(lang);
+ } catch (JSONException e) {
+ // TODO: Nesting try/catch blocks? Crazy
+ // Maybe you should actually handle exception?
+ try {
+ name = definition.getJSONObject(API_TERM_NAME).getString( definition.getString(API_TERM_DEFAULT_LANGUAGE) );
+ } catch (JSONException e2) {
+ // TODO: Will you handle the exception already?
+ }
+ }
+
+ return name;
+ }
+
+ protected String getDescription(){
+ String lang = Locale.getDefault().getLanguage();
+ String desc = null;
+ try {
+ desc = definition.getJSONObject("description").getString(lang);
+ } catch (JSONException e) {
+ // TODO: handle exception!!
+ try {
+ desc = definition.getJSONObject("description").getString( definition.getString("default_language") );
+ } catch (JSONException e2) {
+ // TODO: i can't believe you're doing it again!
+ }
+ }
+
+ return desc;
+ }
+
+ public boolean hasEIP() {
+ JSONArray services = null;
+ try {
+ services = definition.getJSONArray(API_TERM_SERVICES); // returns ["openvpn"]
+ } catch (Exception e) {
+ // TODO: handle exception
+ }
+ for (int i=0;i<API_EIP_TYPES.length;i++){
+ try {
+ if ( Arrays.asList(API_EIP_TYPES).contains( services.getString(i) ) )
+ return true;
+ } catch (JSONException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ return false;
+ }
+
+ public String getEIPType() {
+ // FIXME!!!!! We won't always be providing /only/ OpenVPN, will we?
+ // This will have to hook into some saved choice of EIP transport
+ if ( instance.hasEIP() )
+ return "OpenVPN";
+ else
+ return null;
+ }
+
+ public JSONObject getEIP() {
+ // FIXME!!!!! We won't always be providing /only/ OpenVPN, will we?
+ // This will have to hook into some saved choice of EIP transport, cluster, gateway
+ // with possible "choose at random" preference
+ if ( instance.hasEIP() ){
+ // TODO Might need an EIP class, but we've only got OpenVPN type right now,
+ // and only one gateway for our only provider...
+ // TODO We'll try to load from preferences, have to call ProviderAPI if we've got nothin...
+ JSONObject eipObject = null;
+ try {
+ eipObject = new JSONObject( preferences.getString(PREFS_EIP_NAME, "") );
+ } catch (JSONException e) {
+ // TODO ConfigHelper.rescueJSON()
+ // Still nothing?
+ // TODO ProviderAPI.getEIP()
+ e.printStackTrace();
+ }
+
+ return eipObject;
+ } else
+ return null;
+ }
+}