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}