Added NotReadyException to DataExtension API (0.0.5)

Plan/api/build.gradle

@@ -2,7 +2,7 @@ plugins {
     id "com.jfrog.bintray" version "1.8.4"
 }
 
-ext.apiVersion = '0.0.4'
+ext.apiVersion = '0.0.5'
 
 bintray {
     user = System.getenv('BINTRAY_USER')

Plan/api/src/main/java/com/djrapitops/plan/capability/Capability.java

@@ -40,7 +40,11 @@ enum Capability {
     /**
      * DataExtension API table package, TableProvider, Table and Table.Factory
      */
-    DATA_EXTENSION_TABLES;
+    DATA_EXTENSION_TABLES,
+    /**
+     * DataExtension API
+     */
+    DATA_EXTENSION_NOT_READY_EXCEPTION;
 
     static Optional<Capability> getByName(String name) {
         if (name == null) {

Plan/api/src/main/java/com/djrapitops/plan/extension/NotReadyException.java

@@ -0,0 +1,37 @@
+/*
+ *  This file is part of Player Analytics (Plan).
+ *
+ *  Plan is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License v3 as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Plan is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with Plan. If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.djrapitops.plan.extension;
+
+/**
+ * Exception to throw inside DataExtension if a method is not ready to be called (Data is not available etc).
+ * <p>
+ * This Exception will not cause Plan to "yell" about the exception.
+ * <p>
+ * Requires {@link com.djrapitops.plan.capability.Capability#DATA_EXTENSION_NOT_READY_EXCEPTION}.
+ *
+ * @author Rsl1122
+ */
+public class NotReadyException extends IllegalStateException {
+
+    /**
+     * Construct the exception.
+     * <p>
+     * The Exception is not logged (Fails silently) so no message is available.
+     */
+    public NotReadyException() {
+    }
+}

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/providers/MethodWrapper.java

@@ -18,6 +18,7 @@ package com.djrapitops.plan.extension.implementation.providers;
 
 import com.djrapitops.plan.extension.DataExtension;
 import com.djrapitops.plan.extension.Group;
+import com.djrapitops.plan.extension.NotReadyException;
 import com.djrapitops.plan.extension.implementation.MethodType;
 
 import java.io.Serializable;
@@ -78,11 +79,11 @@ public class MethodWrapper<T> implements Serializable {
                 default:
                     throw new IllegalArgumentException(method.getDeclaringClass() + " method " + method.getName() + " had invalid parameters.");
             }
+        } catch (NotReadyException notReadyToBeCalled) {
+            /* Data or API not available to make the call. */
+            return null;
         } catch (InvocationTargetException | IllegalAccessException e) {
-            Throwable cause = e.getCause();
-            boolean hasCause = cause != null;
-            throw new IllegalArgumentException(method.getDeclaringClass() + " method " + method.getName() + " had invalid parameters; caused " +
-                    (hasCause ? cause.toString() : e.toString()));
+            throw new IllegalArgumentException(method.getDeclaringClass() + " method " + method.getName() + " could not be called: " + e.getMessage(), e);
         }
     }
 

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/providers/gathering/DoubleAndPercentageProviderValueGatherer.java

@@ -104,7 +104,7 @@ class DoubleAndPercentageProviderValueGatherer {
         MethodWrapper<Double> method = doubleProvider.getMethod();
         Double result = getMethodResult(methodCaller.apply(method), method);
         if (result == null) {
-            return;
+            return; // Error during call
         }
 
         database.executeTransaction(new StoreIconTransaction(providerInformation.getIcon()));

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/providers/gathering/NumberProviderValueGatherer.java

@@ -99,7 +99,7 @@ class NumberProviderValueGatherer {
         MethodWrapper<Long> method = numberProvider.getMethod();
         Long result = getMethodResult(methodCaller.apply(method), method);
         if (result == null) {
-            return;
+            return; // Error during call
         }
 
         FormatType formatType = NumberDataProvider.getFormatType(numberProvider);

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/providers/gathering/StringProviderValueGatherer.java

@@ -100,7 +100,7 @@ class StringProviderValueGatherer {
         MethodWrapper<String> method = stringProvider.getMethod();
         String result = getMethodResult(methodCaller.apply(method), method);
         if (result == null) {
-            return;
+            return; // Error during call
         }
 
         result = StringUtils.truncate(result, 50);

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/providers/gathering/TableProviderValueGatherer.java

@@ -101,7 +101,7 @@ class TableProviderValueGatherer {
         MethodWrapper<Table> method = tableProvider.getMethod();
         Table result = getMethodResult(methodCaller.apply(method), method);
         if (result == null) {
-            return;
+            return; // Error during call
         }
 
         for (Icon icon : result.getIcons()) {