checkin for entire port source tree

port_src/output/zxing/reader_exception.rs

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2007 ZXing authors
+ *
+ * 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 com::google::zxing;
+
+/**
+ * The general exception class throw when something goes wrong during decoding of a barcode.
+ * This includes, but is not limited to, failing checksums / error correction algorithms, being
+ * unable to locate finder timing patterns, and so on.
+ *
+ * @author Sean Owen
+ */
+
+// disable stack traces when not running inside test units
+ let is_stack_trace: bool = System::get_property("surefire.test.class.path") != null;
+
+ const NO_TRACE: [Option<StackTraceElement>; 0] = [None; 0];
+pub struct ReaderException {
+    super: Exception;
+}
+
+impl ReaderException {
+
+    fn new() -> ReaderException {
+    // do nothing
+    }
+
+    fn new( cause: &Throwable) -> ReaderException {
+        super(&cause);
+    }
+
+    // Prevent stack traces from being taken
+    pub fn  fill_in_stack_trace(&self) -> Throwable  {
+        return null;
+    }
+
+    /**
+   * For testing only. Controls whether library exception classes include stack traces or not.
+   * Defaults to false, unless running in the project's unit testing harness.
+   *
+   * @param enabled if true, enables stack traces in library exception classes
+   * @since 3.5.0
+   */
+    pub fn  set_stack_trace( enabled: bool)   {
+        is_stack_trace = enabled;
+    }
+}
+