Tue, 06 Mar 2012 16:09:35 -0800
7150322: Stop using drop source bundles in jaxws
Reviewed-by: darcy, ohrstrom
ohair@286 | 1 | /* |
ohair@286 | 2 | * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
ohair@286 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ohair@286 | 4 | * |
ohair@286 | 5 | * This code is free software; you can redistribute it and/or modify it |
ohair@286 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@286 | 7 | * published by the Free Software Foundation. Oracle designates this |
ohair@286 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@286 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
ohair@286 | 10 | * |
ohair@286 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
ohair@286 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ohair@286 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ohair@286 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
ohair@286 | 15 | * accompanied this code). |
ohair@286 | 16 | * |
ohair@286 | 17 | * You should have received a copy of the GNU General Public License version |
ohair@286 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
ohair@286 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ohair@286 | 20 | * |
ohair@286 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@286 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@286 | 23 | * questions. |
ohair@286 | 24 | */ |
ohair@286 | 25 | |
ohair@286 | 26 | package com.sun.xml.internal.org.jvnet.mimepull; |
ohair@286 | 27 | |
ohair@286 | 28 | import java.io.File; |
ohair@286 | 29 | import java.io.IOException; |
ohair@286 | 30 | import java.io.RandomAccessFile; |
ohair@286 | 31 | import java.lang.ref.ReferenceQueue; |
ohair@286 | 32 | import java.lang.ref.WeakReference; |
ohair@286 | 33 | import java.util.ArrayList; |
ohair@286 | 34 | import java.util.List; |
ohair@286 | 35 | import java.util.concurrent.Executor; |
ohair@286 | 36 | import java.util.logging.Logger; |
ohair@286 | 37 | |
ohair@286 | 38 | /** |
ohair@286 | 39 | * Removing files based on this |
ohair@286 | 40 | * <a href="http://java.sun.com/developer/technicalArticles/javase/finalization/">article</a> |
ohair@286 | 41 | * |
ohair@286 | 42 | * @author Jitendra Kotamraju |
ohair@286 | 43 | */ |
ohair@286 | 44 | final class WeakDataFile extends WeakReference<DataFile> { |
ohair@286 | 45 | |
ohair@286 | 46 | private static final Logger LOGGER = Logger.getLogger(WeakDataFile.class.getName()); |
ohair@286 | 47 | //private static final int MAX_ITERATIONS = 2; |
ohair@286 | 48 | private static ReferenceQueue<DataFile> refQueue = new ReferenceQueue<DataFile>(); |
ohair@286 | 49 | private static List<WeakDataFile> refList = new ArrayList<WeakDataFile>(); |
ohair@286 | 50 | private final File file; |
ohair@286 | 51 | private final RandomAccessFile raf; |
ohair@286 | 52 | private static boolean hasCleanUpExecutor = false; |
ohair@286 | 53 | static { |
ohair@286 | 54 | CleanUpExecutorFactory executorFactory = CleanUpExecutorFactory.newInstance(); |
ohair@286 | 55 | if (executorFactory!=null) { |
ohair@286 | 56 | LOGGER.fine("Initializing clean up executor for MIMEPULL: " |
ohair@286 | 57 | + executorFactory.getClass().getName()); |
ohair@286 | 58 | Executor executor = executorFactory.getExecutor(); |
ohair@286 | 59 | executor.execute(new Runnable() { |
ohair@286 | 60 | public void run() { |
ohair@286 | 61 | WeakDataFile weak = null; |
ohair@286 | 62 | while (true) { |
ohair@286 | 63 | try { |
ohair@286 | 64 | weak = (WeakDataFile) refQueue.remove(); |
ohair@286 | 65 | LOGGER.fine("Cleaning file = "+weak.file+" from reference queue."); |
ohair@286 | 66 | weak.close(); |
ohair@286 | 67 | } catch (InterruptedException e) { |
ohair@286 | 68 | } |
ohair@286 | 69 | } |
ohair@286 | 70 | } |
ohair@286 | 71 | }); |
ohair@286 | 72 | hasCleanUpExecutor = true; |
ohair@286 | 73 | } |
ohair@286 | 74 | } |
ohair@286 | 75 | |
ohair@286 | 76 | WeakDataFile(DataFile df, File file) { |
ohair@286 | 77 | super(df, refQueue); |
ohair@286 | 78 | refList.add(this); |
ohair@286 | 79 | this.file = file; |
ohair@286 | 80 | try { |
ohair@286 | 81 | raf = new RandomAccessFile(file, "rw"); |
ohair@286 | 82 | } catch(IOException ioe) { |
ohair@286 | 83 | throw new MIMEParsingException(ioe); |
ohair@286 | 84 | } |
ohair@286 | 85 | if (!hasCleanUpExecutor) { |
ohair@286 | 86 | drainRefQueueBounded(); |
ohair@286 | 87 | } |
ohair@286 | 88 | } |
ohair@286 | 89 | |
ohair@286 | 90 | synchronized void read(long pointer, byte[] buf, int offset, int length ) { |
ohair@286 | 91 | try { |
ohair@286 | 92 | raf.seek(pointer); |
ohair@286 | 93 | raf.readFully(buf, offset, length); |
ohair@286 | 94 | } catch(IOException ioe) { |
ohair@286 | 95 | throw new MIMEParsingException(ioe); |
ohair@286 | 96 | } |
ohair@286 | 97 | } |
ohair@286 | 98 | |
ohair@286 | 99 | synchronized long writeTo(long pointer, byte[] data, int offset, int length) { |
ohair@286 | 100 | try { |
ohair@286 | 101 | raf.seek(pointer); |
ohair@286 | 102 | raf.write(data, offset, length); |
ohair@286 | 103 | return raf.getFilePointer(); // Update pointer for next write |
ohair@286 | 104 | } catch(IOException ioe) { |
ohair@286 | 105 | throw new MIMEParsingException(ioe); |
ohair@286 | 106 | } |
ohair@286 | 107 | } |
ohair@286 | 108 | |
ohair@286 | 109 | void close() { |
ohair@286 | 110 | LOGGER.fine("Deleting file = "+file.getName()); |
ohair@286 | 111 | refList.remove(this); |
ohair@286 | 112 | try { |
ohair@286 | 113 | raf.close(); |
ohair@286 | 114 | file.delete(); |
ohair@286 | 115 | } catch(IOException ioe) { |
ohair@286 | 116 | throw new MIMEParsingException(ioe); |
ohair@286 | 117 | } |
ohair@286 | 118 | } |
ohair@286 | 119 | |
ohair@286 | 120 | void renameTo(File f) { |
ohair@286 | 121 | LOGGER.fine("Moving file="+file+" to="+f); |
ohair@286 | 122 | refList.remove(this); |
ohair@286 | 123 | try { |
ohair@286 | 124 | raf.close(); |
ohair@286 | 125 | file.renameTo(f); |
ohair@286 | 126 | } catch(IOException ioe) { |
ohair@286 | 127 | throw new MIMEParsingException(ioe); |
ohair@286 | 128 | } |
ohair@286 | 129 | |
ohair@286 | 130 | } |
ohair@286 | 131 | |
ohair@286 | 132 | static void drainRefQueueBounded() { |
ohair@286 | 133 | WeakDataFile weak = null; |
ohair@286 | 134 | while (( weak = (WeakDataFile) refQueue.poll()) != null ) { |
ohair@286 | 135 | LOGGER.fine("Cleaning file = "+weak.file+" from reference queue."); |
ohair@286 | 136 | weak.close(); |
ohair@286 | 137 | } |
ohair@286 | 138 | } |
ohair@286 | 139 | } |