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
017package org.jetbrains.jet.utils;
018
019import java.io.Closeable;
020
021public 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}