1/* 2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* @test 25 * @bug 5005426 26 * @summary Check if StreamEncoder close() method works correctly from 27 * error recovery after the underneath OutputStream failed to 28 * close the first time. 29 * @modules jdk.charsets 30 */ 31 32import java.io.*; 33public class StreamEncoderClose { 34 public static void main( String arg[] ) throws Exception { 35 byte[] expected = {(byte)0x1b,(byte)0x24,(byte)0x42, 36 (byte)0x30,(byte)0x6c, 37 (byte)0x1b,(byte)0x28,(byte)0x42}; 38 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 39 MyBufferedOutputStream mbos = new MyBufferedOutputStream(baos); 40 PrintWriter pw = new PrintWriter(new OutputStreamWriter(mbos, "ISO-2022-JP")); 41 mbos.dontClose(); 42 pw.write("\u4e00"); 43 pw.close(); // 1st PrintWriter Close 44 mbos.canClose(); 45 pw.close(); // 2nd PrintWriter Close 46 47 //double check, probably not necessary 48 byte[] out = baos.toByteArray(); 49 if (out.length != expected.length) { 50 throw new IOException("Failed"); 51 } 52 for (int i = 0; i < out.length; i++) { 53 //System.out.printf("(byte)0x%x,", out[i] & 0xff); 54 if (out[i] != expected[i]) 55 throw new IOException("Failed"); 56 } 57 } 58 59 static class MyBufferedOutputStream extends BufferedOutputStream { 60 MyBufferedOutputStream(OutputStream os) { 61 super(os); 62 } 63 private boolean status; 64 public void dontClose() { 65 status = false; 66 } 67 public void canClose() { 68 status = true; 69 } 70 public void close() throws IOException { 71 if ( status == false ) { 72 throw new IOException("Can't close "); 73 } 74 super.close(); 75 } 76 } 77} 78