Add getSubjects method to UntisClient

src/main/java/ley/untis/UntisClient.java

@@ -3,6 +3,7 @@ package ley.untis;
 import com.googlecode.jsonrpc4j.JsonRpcHttpClient;
 import ley.untis.data.AuthParams;
 import ley.untis.data.AuthResponse;
+import ley.untis.data.SubjectResponse;
 import ley.untis.exception.APIRequestException;
 
 import java.net.URL;
@@ -63,5 +64,18 @@ public class UntisClient {
         }
     }
 
+    /**
+     * Get list of subjects
+     * @return an ArrayList of subjects
+     * @throws APIRequestException
+     */
+    public SubjectResponse getSubjects() throws APIRequestException{
+        try {
+            return client.invoke("getSubjects", new Object[0], SubjectResponse.class);
+        } catch (Throwable e) {
+            throw new APIRequestException(e);
+        }
+    }
+
 
 }

src/main/java/ley/untis/data/SubjectResponse.java

@@ -0,0 +1,17 @@
+package ley.untis.data;
+
+import java.util.ArrayList;
+
+public class SubjectResponse extends ArrayList<SubjectResponse.Subject> {
+
+    public static class Subject {
+        public int id;
+        public String name;
+        public String longName;
+        public String foreColor;
+        public String backColor;
+        public String alternateName;
+        public boolean active;
+    }
+
+}