Mercurial > jdk8-mips64-public > jaxws / file comparison
comparison: src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/FileData.java
src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/FileData.java
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| 1 /* | |
| 2 * Copyright (c) 1997, 2012, 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. Oracle designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Oracle in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 * or visit www.oracle.com if you need additional information or have any | |
| 23 * questions. | |
| 24 */ | |
| 25 | |
| 26 package com.sun.xml.internal.org.jvnet.mimepull; | |
| 27 | |
| 28 import java.nio.ByteBuffer; | |
| 29 | |
| 30 /** | |
| 31 * Keeps the Part's partial content data in a file. | |
| 32 * | |
| 33 * @author Kohsuke Kawaguchi | |
| 34 * @author Jitendra Kotamraju | |
| 35 */ | |
| 36 final class FileData implements Data { | |
| 37 private final DataFile file; | |
| 38 private final long pointer; // read position | |
| 39 private final int length; | |
| 40 | |
| 41 FileData(DataFile file, ByteBuffer buf) { | |
| 42 this(file, file.writeTo(buf.array(), 0, buf.limit()), buf.limit()); | |
| 43 } | |
| 44 | |
| 45 FileData(DataFile file, long pointer, int length) { | |
| 46 this.file = file; | |
| 47 this.pointer = pointer; | |
| 48 this.length = length; | |
| 49 } | |
| 50 | |
| 51 @Override | |
| 52 public byte[] read() { | |
| 53 byte[] buf = new byte[length]; | |
| 54 file.read(pointer, buf, 0, length); | |
| 55 return buf; | |
| 56 } | |
| 57 | |
| 58 /* | |
| 59 * This shouldn't be called | |
| 60 */ | |
| 61 @Override | |
| 62 public long writeTo(DataFile file) { | |
| 63 throw new IllegalStateException(); | |
| 64 } | |
| 65 | |
| 66 @Override | |
| 67 public int size() { | |
| 68 return length; | |
| 69 } | |
| 70 | |
| 71 /* | |
| 72 * Always create FileData | |
| 73 */ | |
| 74 @Override | |
| 75 public Data createNext(DataHead dataHead, ByteBuffer buf) { | |
| 76 return new FileData(file, buf); | |
| 77 } | |
| 78 } |
