001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.utils;
018    
019    import java.io.Closeable;
020    
021    public class ExceptionUtils {
022    
023        /**
024         * Translate exception to unchecked exception.
025         *
026         * Return type is specified to make it possible to use it like this:
027         *     throw ExceptionUtils.rethrow(e);
028         * In this case compiler knows that code after this rethrowing won't be executed.
029         */
030        public static RuntimeException rethrow(Throwable e) {
031            if (e instanceof RuntimeException) {
032                throw (RuntimeException) e;
033            }
034            else if (e instanceof Error) {
035                throw (Error) e;
036            }
037            else {
038                throw new RuntimeException(e);
039            }
040        }
041    
042        public static void closeQuietly(Closeable closeable) {
043            if (closeable != null) {
044                try {
045                    closeable.close();
046                } catch (Throwable e) {
047                }
048            }
049        }
050    
051    }