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

Wed, 12 Jun 2013 14:47:09 +0100

author
mkos
date
Wed, 12 Jun 2013 14:47:09 +0100
changeset 384
8f2986ff0235
parent 368
0989ad8c0860
child 637
9c07ef4934dd
permissions
-rw-r--r--

8013021: Rebase 8005432 & 8003542 against the latest jdk8/jaxws
8003542: Improve processing of MTOM attachments
8005432: Update access to JAX-WS
Reviewed-by: mullan

ohair@286 1 /*
alanb@368 2 * Copyright (c) 1997, 2012, 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.*;
ohair@286 29
ohair@286 30 /**
ohair@286 31 * Use {@link RandomAccessFile} for concurrent access of read
ohair@286 32 * and write partial part's content.
ohair@286 33 *
ohair@286 34 * @author Kohsuke Kawaguchi
ohair@286 35 * @author Jitendra Kotamraju
ohair@286 36 */
ohair@286 37 final class DataFile {
ohair@286 38 private WeakDataFile weak;
ohair@286 39 private long writePointer;
ohair@286 40
ohair@286 41 DataFile(File file) {
ohair@286 42 writePointer=0;
ohair@286 43 weak = new WeakDataFile(this, file);
ohair@286 44 }
ohair@286 45
ohair@286 46 /**
ohair@286 47 *
ohair@286 48 */
ohair@286 49 void close() {
ohair@286 50 weak.close();
ohair@286 51 }
ohair@286 52
ohair@286 53 /**
ohair@286 54 * Read data from the given file pointer position.
ohair@286 55 *
ohair@286 56 * @param pointer read position
ohair@286 57 * @param buf that needs to be filled
ohair@286 58 * @param offset the start offset of the data.
ohair@286 59 * @param length of data that needs to be read
ohair@286 60 */
ohair@286 61 synchronized void read(long pointer, byte[] buf, int offset, int length ) {
ohair@286 62 weak.read(pointer, buf, offset, length);
ohair@286 63 }
ohair@286 64
ohair@286 65 void renameTo(File f) {
ohair@286 66 weak.renameTo(f);
ohair@286 67 }
ohair@286 68
ohair@286 69 /**
ohair@286 70 * Write data to the file
ohair@286 71 *
ohair@286 72 * @param data that needs to written to a file
ohair@286 73 * @param offset start offset in the data
ohair@286 74 * @param length no bytes to write
ohair@286 75 * @return file pointer before the write operation(or at which the
ohair@286 76 * data is written)
ohair@286 77 */
ohair@286 78 synchronized long writeTo(byte[] data, int offset, int length) {
ohair@286 79 long temp = writePointer;
ohair@286 80 writePointer = weak.writeTo(writePointer, data, offset, length);
ohair@286 81 return temp;
ohair@286 82 }
ohair@286 83
ohair@286 84 }

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