jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/WeakDataFile.java@0989ad8c0860 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/WeakDataFile.java@0989ad8c0860 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/WeakDataFile.java

Tue, 09 Apr 2013 14:51:13 +0100

author: alanb
date: Tue, 09 Apr 2013 14:51:13 +0100
changeset 368: 0989ad8c0860
parent 286: f50545b5e2f1
child 637: 9c07ef4934dd
permissions: -rw-r--r--

8010393: Update JAX-WS RI to 2.2.9-b12941
Reviewed-by: alanb, erikj
Contributed-by: miroslav.kos@oracle.com, martin.grebac@oracle.com

 /*
  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.xml.internal.org.jvnet.mimepull;
 import java.io.File;
 import java.io.IOException;
 import java.io.RandomAccessFile;
 import java.lang.ref.ReferenceQueue;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.Executor;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 /**
  * Removing files based on this
  * <a href="http://java.sun.com/developer/technicalArticles/javase/finalization/">article</a>
  *
  * @author Jitendra Kotamraju
  */
 final class WeakDataFile extends WeakReference<DataFile> {
     private static final Logger LOGGER = Logger.getLogger(WeakDataFile.class.getName());
     //private static final int MAX_ITERATIONS = 2;
     private static ReferenceQueue<DataFile> refQueue = new ReferenceQueue<DataFile>();
     private static List<WeakDataFile> refList = new ArrayList<WeakDataFile>();
     private final File file;
     private final RandomAccessFile raf;
     private static boolean hasCleanUpExecutor = false;
     static {
         CleanUpExecutorFactory executorFactory = CleanUpExecutorFactory.newInstance();
         if (executorFactory!=null) {
             if (LOGGER.isLoggable(Level.FINE)) {
                 LOGGER.log(Level.FINE, "Initializing clean up executor for MIMEPULL: {0}", executorFactory.getClass().getName());
             }
             Executor executor = executorFactory.getExecutor();
             executor.execute(new Runnable() {
                 @Override
                 public void run() {
                     WeakDataFile weak;
                     while (true) {
                         try {
                             weak = (WeakDataFile) refQueue.remove();
                             if (LOGGER.isLoggable(Level.FINE)) {
                                 LOGGER.log(Level.FINE, "Cleaning file = {0} from reference queue.", weak.file);
                             }
                             weak.close();
                         } catch (InterruptedException e) {
                         }
                     }
                 }
             });
             hasCleanUpExecutor = true;
         }
     }
     WeakDataFile(DataFile df, File file) {
         super(df, refQueue);
         refList.add(this);
         this.file = file;
         try {
             raf = new RandomAccessFile(file, "rw");
         } catch(IOException ioe) {
             throw new MIMEParsingException(ioe);
         }
         if (!hasCleanUpExecutor) {
             drainRefQueueBounded();
         }
     }
     synchronized void read(long pointer, byte[] buf, int offset, int length ) {
         try {
             raf.seek(pointer);
             raf.readFully(buf, offset, length);
         } catch(IOException ioe) {
             throw new MIMEParsingException(ioe);
         }
     }
     synchronized long writeTo(long pointer, byte[] data, int offset, int length) {
         try {
             raf.seek(pointer);
             raf.write(data, offset, length);
             return raf.getFilePointer();    // Update pointer for next write
         } catch(IOException ioe) {
             throw new MIMEParsingException(ioe);
         }
     }
     void close() {
         if (LOGGER.isLoggable(Level.FINE)) {
             LOGGER.log(Level.FINE, "Deleting file = {0}", file.getName());
         }
         refList.remove(this);
         try {
             raf.close();
             boolean deleted = file.delete();
             if (!deleted) {
                 if (LOGGER.isLoggable(Level.INFO)) {
                     LOGGER.log(Level.INFO, "File {0} was not deleted", file.getAbsolutePath());
                 }
             }
         } catch(IOException ioe) {
             throw new MIMEParsingException(ioe);
         }
     }
     void renameTo(File f) {
         if (LOGGER.isLoggable(Level.FINE)) {
             LOGGER.log(Level.FINE, "Moving file={0} to={1}", new Object[]{file, f});
         }
         refList.remove(this);
         try {
             raf.close();
             boolean renamed = file.renameTo(f);
             if (!renamed) {
                 if (LOGGER.isLoggable(Level.INFO)) {
                     LOGGER.log(Level.INFO, "File {0} was not moved to {1}", new Object[] {file.getAbsolutePath(), f.getAbsolutePath()});
                 }
             }
         } catch(IOException ioe) {
             throw new MIMEParsingException(ioe);
         }
     }
     static void drainRefQueueBounded() {
         WeakDataFile weak;
         while (( weak = (WeakDataFile) refQueue.poll()) != null ) {
             if (LOGGER.isLoggable(Level.FINE)) {
                 LOGGER.log(Level.FINE, "Cleaning file = {0} from reference queue.", weak.file);
             }
             weak.close();
         }
     }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/WeakDataFile.java@0989ad8c0860 (annotated)

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/WeakDataFile.java