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

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

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

author

aoqi

date

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

changeset 637

9c07ef4934dd

parent 384

8f2986ff0235

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2013, 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	import java.io.File;
aoqi@0	30	import java.io.IOException;
aoqi@0	31	import java.util.logging.Level;
aoqi@0	32	import java.util.logging.Logger;
aoqi@0	33
aoqi@0	34	/**
aoqi@0	35	* Keeps the Part's partial content data in memory.
aoqi@0	36	*
aoqi@0	37	* @author Kohsuke Kawaguchi
aoqi@0	38	* @author Jitendra Kotamraju
aoqi@0	39	*/
aoqi@0	40	final class MemoryData implements Data {
aoqi@0	41	private static final Logger LOGGER = Logger.getLogger(MemoryData.class.getName());
aoqi@0	42
aoqi@0	43	private final byte[] data;
aoqi@0	44	private final int len;
aoqi@0	45	private final MIMEConfig config;
aoqi@0	46
aoqi@0	47	MemoryData(ByteBuffer buf, MIMEConfig config) {
aoqi@0	48	data = buf.array();
aoqi@0	49	len = buf.limit();
aoqi@0	50	this.config = config;
aoqi@0	51	}
aoqi@0	52
aoqi@0	53	// size of the chunk given by the parser
aoqi@0	54	@Override
aoqi@0	55	public int size() {
aoqi@0	56	return len;
aoqi@0	57	}
aoqi@0	58
aoqi@0	59	@Override
aoqi@0	60	public byte[] read() {
aoqi@0	61	return data;
aoqi@0	62	}
aoqi@0	63
aoqi@0	64	@Override
aoqi@0	65	public long writeTo(DataFile file) {
aoqi@0	66	return file.writeTo(data, 0, len);
aoqi@0	67	}
aoqi@0	68
aoqi@0	69	/**
aoqi@0	70	*
aoqi@0	71	* @param dataHead
aoqi@0	72	* @param buf
aoqi@0	73	* @return
aoqi@0	74	*/
aoqi@0	75	@Override
aoqi@0	76	public Data createNext(DataHead dataHead, ByteBuffer buf) {
aoqi@0	77	if (!config.isOnlyMemory() && dataHead.inMemory >= config.memoryThreshold) {
aoqi@0	78	try {
aoqi@0	79	String prefix = config.getTempFilePrefix();
aoqi@0	80	String suffix = config.getTempFileSuffix();
aoqi@0	81	File tempFile = TempFiles.createTempFile(prefix, suffix, config.getTempDir());
aoqi@0	82	// delete the temp file when VM exits as a last resort for file clean up
aoqi@0	83	tempFile.deleteOnExit();
aoqi@0	84	if (LOGGER.isLoggable(Level.FINE)) {
aoqi@0	85	LOGGER.log(Level.FINE, "Created temp file = {0}", tempFile);
aoqi@0	86	}
aoqi@0	87	// delete the temp file when VM exits as a last resort for file clean up
aoqi@0	88	tempFile.deleteOnExit();
aoqi@0	89	if (LOGGER.isLoggable(Level.FINE)) {LOGGER.log(Level.FINE, "Created temp file = {0}", tempFile);}
aoqi@0	90	dataHead.dataFile = new DataFile(tempFile);
aoqi@0	91	} catch (IOException ioe) {
aoqi@0	92	throw new MIMEParsingException(ioe);
aoqi@0	93	}
aoqi@0	94
aoqi@0	95	if (dataHead.head != null) {
aoqi@0	96	for (Chunk c = dataHead.head; c != null; c = c.next) {
aoqi@0	97	long pointer = c.data.writeTo(dataHead.dataFile);
aoqi@0	98	c.data = new FileData(dataHead.dataFile, pointer, len);
aoqi@0	99	}
aoqi@0	100	}
aoqi@0	101	return new FileData(dataHead.dataFile, buf);
aoqi@0	102	} else {
aoqi@0	103	return new MemoryData(buf, config);
aoqi@0	104	}
aoqi@0	105	}
aoqi@0	106
aoqi@0	107	}