Merge "Add Mycilla code to odlguice"

[odlguice.git] / inject / inject-guice-extensions / injection / src / main / java / org / opendaylight / odlguice / inject / guice / extensions / injection / MycilaGuiceException.java

diff --git a/inject/inject-guice-extensions/injection/src/main/java/org/opendaylight/odlguice/inject/guice/extensions/injection/MycilaGuiceException.java b/inject/inject-guice-extensions/injection/src/main/java/org/opendaylight/odlguice/inject/guice/extensions/injection/MycilaGuiceException.java
new file mode 100755 (executable)
index 0000000..2ef1e14
--- /dev/null
+++ b/inject/inject-guice-extensions/injection/src/main/java/org/opendaylight/odlguice/inject/guice/extensions/injection/MycilaGuiceException.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2010 Mycila (mathieu.carbou@gmail.com)
+ *
+ * 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.
+ */
+package org.opendaylight.odlguice.inject.guice.extensions.injection;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.concurrent.ExecutionException;
+
+/**
+ * This code originated in https://github.com/mycila/guice and was forked into
+ * OpenDaylight.
+ * @author Mathieu Carbou (mathieu.carbou@gmail.com)
+ */
+public class MycilaGuiceException extends RuntimeException {
+
+    public MycilaGuiceException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public MycilaGuiceException(Throwable cause) {
+        super(cause.getMessage(), cause);
+        setStackTrace(cause.getStackTrace());
+    }
+
+    public static RuntimeException toRuntime(Throwable throwable) {
+        while (throwable instanceof InvocationTargetException || throwable instanceof ExecutionException
+                || throwable instanceof MycilaGuiceException) {
+            throwable = throwable instanceof InvocationTargetException
+                    ? ((InvocationTargetException) throwable).getTargetException()
+                    : throwable.getCause();
+        }
+        if (throwable instanceof Error) {
+            throw (Error) throwable;
+        }
+        if (throwable instanceof RuntimeException) {
+            return (RuntimeException) throwable;
+        }
+        return new MycilaGuiceException(throwable);
+    }
+}