001/*
002 * Copyright 2002-2018 the original author or authors.
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 *      https://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.springframework.jdbc.datasource.embedded;
018
019import java.io.IOException;
020import java.io.OutputStream;
021
022/**
023 * Internal helper for exposing dummy OutputStreams to embedded databases
024 * such as Derby, preventing the creation of a log file.
025 *
026 * @author Juergen Hoeller
027 * @since 3.0
028 */
029public final class OutputStreamFactory {
030
031        private OutputStreamFactory() {
032        }
033
034
035        /**
036         * Returns an {@link java.io.OutputStream} that ignores all data given to it.
037         */
038        public static OutputStream getNoopOutputStream() {
039                return new OutputStream() {
040                        @Override
041                        public void write(int b) throws IOException {
042                                // ignore the output
043                        }
044                };
045        }
046
047}