Add exception and error

Author: lm2343635

.gitignore

@@ -3,3 +3,9 @@
 
 # Ignore Gradle build output directory
 build
+
+# IDEA
+.idea/
+
+# macOS
+.DS_Store

.idea/gradle.xml

@@ -3,6 +3,7 @@
 public class Pluto {
 
     private PublicKeyManager keyManager;
+    private String appId;
 
     private Pluto() {
         super();
@@ -16,10 +17,27 @@ public void setKeyManager(PublicKeyManager keyManager) {
         this.keyManager = keyManager;
     }
 
+    public String getAppId() {
+        return appId;
+    }
+
+    public void setAppId(String appId) {
+        this.appId = appId;
+    }
+
     private static Pluto shared = new Pluto();
 
-    public static void setup(String server) {
+    public static void setup(String server, String appId) {
         shared.setKeyManager(new PublicKeyManager(server));
+        shared.setAppId(appId);
+    }
+
+    public static void auth(String token) {
+
+    }
+
+    public static void auth(String token, String scope) {
+
     }
 
 }

.idea/jarRepositories.xml

@@ -0,0 +1,11 @@
+package org.mushare.pluto.exception;
+
+public class PlutoError extends Error {
+
+    private PlutoErrorCode code;
+
+    public PlutoError(PlutoErrorCode code) {
+        super(code.toString());
+        this.code = code;
+    }
+}

.idea/misc.xml

@@ -0,0 +1,24 @@
+package org.mushare.pluto.exception;
+
+public enum PlutoErrorCode {
+    expired,
+    appIdError,
+    unauthorized,
+    signatureError;
+
+    @Override
+    public String toString() {
+        switch (this) {
+            case expired:
+                return "JWT token is expired.";
+            case appIdError:
+                return "App id is not compatiable.";
+            case unauthorized:
+                return "Unauthorized user, make sure the user contains the scopes.";
+            case signatureError:
+                return "Cannot verify signature";
+            default:
+                return "Unknown pluto error";
+        }
+    }
+}

.idea/workspace.xml

@@ -0,0 +1,12 @@
+package org.mushare.pluto.exception;
+
+public class PlutoException extends RuntimeException {
+
+    private final PlutoError error;
+
+    public PlutoException(PlutoError error) {
+        super();
+        this.error = error;
+    }
+
+}