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