Java tutorial
//package com.java2s; /** * Copyright 2008 - 2009 * * 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. * * @project loonframework * @author chenpeng * @emailceponline@yahoo.com.cn * @version 0.1 */ import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.Reader; import java.io.Writer; public class Main { public static void close(InputStream in) { if (in != null) { try { in.close(); } catch (IOException e) { closingFailed(e); } } } public static void close(OutputStream output) { if (output != null) { try { output.close(); } catch (IOException e) { closingFailed(e); } } } public static void close(Reader reader) { if (reader != null) { try { reader.close(); } catch (IOException e) { closingFailed(e); } } } public static void close(Writer writer) { if (writer != null) { try { writer.close(); } catch (IOException e) { closingFailed(e); } } } public static void closingFailed(IOException e) { throw new RuntimeException(e.getMessage()); } }