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src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/FileData.java@9c07ef4934dd (annotated)

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

Thu, 31 Aug 2017 15:18:52 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:18:52 +0800

changeset 637

9c07ef4934dd

parent 368

0989ad8c0860

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	package com.sun.xml.internal.org.jvnet.mimepull;
aoqi@0	27
aoqi@0	28	import java.nio.ByteBuffer;
aoqi@0	29
aoqi@0	30	/**
aoqi@0	31	* Keeps the Part's partial content data in a file.
aoqi@0	32	*
aoqi@0	33	* @author Kohsuke Kawaguchi
aoqi@0	34	* @author Jitendra Kotamraju
aoqi@0	35	*/
aoqi@0	36	final class FileData implements Data {
aoqi@0	37	private final DataFile file;
aoqi@0	38	private final long pointer; // read position
aoqi@0	39	private final int length;
aoqi@0	40
aoqi@0	41	FileData(DataFile file, ByteBuffer buf) {
aoqi@0	42	this(file, file.writeTo(buf.array(), 0, buf.limit()), buf.limit());
aoqi@0	43	}
aoqi@0	44
aoqi@0	45	FileData(DataFile file, long pointer, int length) {
aoqi@0	46	this.file = file;
aoqi@0	47	this.pointer = pointer;
aoqi@0	48	this.length = length;
aoqi@0	49	}
aoqi@0	50
aoqi@0	51	@Override
aoqi@0	52	public byte[] read() {
aoqi@0	53	byte[] buf = new byte[length];
aoqi@0	54	file.read(pointer, buf, 0, length);
aoqi@0	55	return buf;
aoqi@0	56	}
aoqi@0	57
aoqi@0	58	/*
aoqi@0	59	* This shouldn't be called
aoqi@0	60	*/
aoqi@0	61	@Override
aoqi@0	62	public long writeTo(DataFile file) {
aoqi@0	63	throw new IllegalStateException();
aoqi@0	64	}
aoqi@0	65
aoqi@0	66	@Override
aoqi@0	67	public int size() {
aoqi@0	68	return length;
aoqi@0	69	}
aoqi@0	70
aoqi@0	71	/*
aoqi@0	72	* Always create FileData
aoqi@0	73	*/
aoqi@0	74	@Override
aoqi@0	75	public Data createNext(DataHead dataHead, ByteBuffer buf) {
aoqi@0	76	return new FileData(file, buf);
aoqi@0	77	}
aoqi@0	78	}