Created ExceptionUtils helper class

Author: Artem Labazin

CHANGELOG.md

@@ -12,6 +12,15 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Add more tests.
 - Add `JavaDoc`.
 
+## [1.6.0](https://github.com/appulse-projects/utils-java/releases/tag/1.6.0) - 2018-05-22
+
+Created ExceptionUtils helper class.
+
+### Added
+
+- `ExceptionUtils` helper class.
+- Add `ExceptionUtils`.`softException` wrapper for sneaky throws exceptions.
+
 ## [1.5.2](https://github.com/appulse-projects/utils-java/releases/tag/1.5.2) - 2018-04-22
 
 Speed-up unsigned functions execution.

pom.xml

@@ -24,7 +24,7 @@ limitations under the License.
 
   <groupId>io.appulse</groupId>
   <artifactId>utils-java</artifactId>
-  <version>1.5.2</version>
+  <version>1.6.0</version>
   <packaging>jar</packaging>
 
   <properties>

src/main/java/io/appulse/utils/ExceptionUtils.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2018 the original author or 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 io.appulse.utils;
+
+/**
+ * Different exception helpers.
+ *
+ * @author Artem Labazin
+ * @since 1.6.0
+ */
+public final class ExceptionUtils {
+
+  /**
+   * Removes 'checkedness' of the setted exception. It works like @{code @SneakyThrows} annotation in Project Lombok.
+   * <p>
+   * For more information, see this:
+   * http://johannesbrodwall.com/2018/05/15/a-wicked-java-trick-to-make-the-jvm-forget-to-check-exceptions/
+   *
+   * @param ex checked exception.
+   *
+   * @return exception withoud checkedness.
+   *
+   * @since 1.6.0
+   */
+  public static RuntimeException softException (Exception ex) {
+    return checkednessRemover(ex);
+  }
+
+  @SuppressWarnings("unchecked")
+  private static <T extends Exception> T checkednessRemover (Exception ex) throws T {
+    throw (T) ex;
+  }
+
+  private ExceptionUtils () {
+  }
+}

src/test/java/io/appulse/utils/ExceptionUtilsTest.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2018 the original author or 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 io.appulse.utils;
+
+import static io.appulse.utils.ExceptionUtils.softException;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import java.io.IOException;
+
+import org.junit.Test;
+
+/**
+ *
+ * @author Artem Labazin
+ * @since 1.6.0
+ */
+public class ExceptionUtilsTest {
+
+  @Test
+  public void test () {
+    assertThat(doSomething(true)).isTrue();
+
+    assertThatThrownBy(() -> doSomething(false)).isExactlyInstanceOf(IOException.class);
+  }
+
+  private boolean doSomething (boolean value) {
+    if (value) {
+      return value;
+    }
+    throw softException(new IOException());
+  }
+}