Mercurial > jdk8-mips64-public > jaxws / file comparison
comparison: src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/MemoryData.java
src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/MemoryData.java
- changeset 286
- f50545b5e2f1
- child 368
- 0989ad8c0860
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| 284:88b85470e72c | 286:f50545b5e2f1 |
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| 1 /* | |
| 2 * Copyright (c) 1997, 2010, 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 import java.io.File; | |
| 30 import java.io.IOException; | |
| 31 import java.util.logging.Logger; | |
| 32 | |
| 33 /** | |
| 34 * Keeps the Part's partial content data in memory. | |
| 35 * | |
| 36 * @author Kohsuke Kawaguchi | |
| 37 * @author Jitendra Kotamraju | |
| 38 */ | |
| 39 final class MemoryData implements Data { | |
| 40 private static final Logger LOGGER = Logger.getLogger(MemoryData.class.getName()); | |
| 41 | |
| 42 private final byte[] data; | |
| 43 private final int len; | |
| 44 private final MIMEConfig config; | |
| 45 | |
| 46 MemoryData(ByteBuffer buf, MIMEConfig config) { | |
| 47 data = buf.array(); | |
| 48 len = buf.limit(); | |
| 49 this.config = config; | |
| 50 } | |
| 51 | |
| 52 // size of the chunk given by the parser | |
| 53 public int size() { | |
| 54 return len; | |
| 55 } | |
| 56 | |
| 57 public byte[] read() { | |
| 58 return data; | |
| 59 } | |
| 60 | |
| 61 public long writeTo(DataFile file) { | |
| 62 return file.writeTo(data, 0, len); | |
| 63 } | |
| 64 | |
| 65 /** | |
| 66 * | |
| 67 * @param dataHead | |
| 68 * @param buf | |
| 69 * @return | |
| 70 */ | |
| 71 public Data createNext(DataHead dataHead, ByteBuffer buf) { | |
| 72 if (!config.isOnlyMemory() && dataHead.inMemory >= config.memoryThreshold) { | |
| 73 try { | |
| 74 String prefix = config.getTempFilePrefix(); | |
| 75 String suffix = config.getTempFileSuffix(); | |
| 76 File dir = config.getTempDir(); | |
| 77 File tempFile = (dir == null) | |
| 78 ? File.createTempFile(prefix, suffix) | |
| 79 : File.createTempFile(prefix, suffix, dir); | |
| 80 // delete the temp file when VM exits as a last resort for file clean up | |
| 81 tempFile.deleteOnExit(); | |
| 82 LOGGER.fine("Created temp file = "+tempFile); | |
| 83 dataHead.dataFile = new DataFile(tempFile); | |
| 84 } catch(IOException ioe) { | |
| 85 throw new MIMEParsingException(ioe); | |
| 86 } | |
| 87 | |
| 88 if (dataHead.head != null) { | |
| 89 for(Chunk c=dataHead.head; c != null; c=c.next) { | |
| 90 long pointer = c.data.writeTo(dataHead.dataFile); | |
| 91 c.data = new FileData(dataHead.dataFile, pointer, len); | |
| 92 } | |
| 93 } | |
| 94 return new FileData(dataHead.dataFile, buf); | |
| 95 } else { | |
| 96 return new MemoryData(buf, config); | |
| 97 } | |
| 98 } | |
| 99 } |
