[jOOQ/jOOQ#11932] CLI APIs should log more helpful error messages on NoClassDefFoundError

jOOQ/src/main/java/org/jooq/CLIUtil.java

@@ -0,0 +1,65 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Other licenses:
+ * -----------------------------------------------------------------------------
+ * Commercial licenses for this work are available. These replace the above
+ * ASL 2.0 and offer limited warranties, support, maintenance, and commercial
+ * database integrations.
+ *
+ * For more information, please visit: http://www.jooq.org/licenses
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+package org.jooq;
+
+import static org.jooq.Constants.MINOR_VERSION;
+
+/**
+ * Common utilities for {@link ParserCLI}, {@link DiffCLI} and others.
+ *
+ * @author Lukas Eder
+ */
+final class CLIUtil {
+
+    static void main(String url, Runnable runnable) {
+        try {
+            runnable.run();
+        }
+        catch (NoClassDefFoundError e) {
+            throw new RuntimeException(
+                ("" +
+                "A class definition could not be found when running the CLI utility.\n" +
+                "\n" +
+                "This is mostly due to a missing dependency. Make sure you have added the right dependencies\n" +
+                "as according to the manual for {url}\n" +
+                "").replace("{url}", url.replace("/latest/", "/" + MINOR_VERSION + "/")),
+                e
+            );
+        }
+    }
+}