src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/MIMEConfig.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.io.File;
aoqi@0 29 import java.util.logging.Level;
aoqi@0 30 import java.util.logging.Logger;
aoqi@0 31
aoqi@0 32 /**
aoqi@0 33 * Configuration for MIME message parsing and storing.
aoqi@0 34 *
aoqi@0 35 * @author Jitendra Kotamraju
aoqi@0 36 */
aoqi@0 37 public class MIMEConfig {
aoqi@0 38
aoqi@0 39 private static final int DEFAULT_CHUNK_SIZE = 8192;
aoqi@0 40 private static final long DEFAULT_MEMORY_THRESHOLD = 1048576L;
aoqi@0 41 private static final String DEFAULT_FILE_PREFIX = "MIME";
aoqi@0 42
aoqi@0 43 private static final Logger LOGGER = Logger.getLogger(MIMEConfig.class.getName());
aoqi@0 44
aoqi@0 45 // Parses the entire message eagerly
aoqi@0 46 boolean parseEagerly;
aoqi@0 47
aoqi@0 48 // Approximate Chunk size
aoqi@0 49 int chunkSize;
aoqi@0 50
aoqi@0 51 // Maximum in-memory data per attachment
aoqi@0 52 long memoryThreshold;
aoqi@0 53
aoqi@0 54 // temp Dir to store large files
aoqi@0 55 File tempDir;
aoqi@0 56 String prefix;
aoqi@0 57 String suffix;
aoqi@0 58
aoqi@0 59 private MIMEConfig(boolean parseEagerly, int chunkSize,
aoqi@0 60 long inMemoryThreshold, String dir, String prefix, String suffix) {
aoqi@0 61 this.parseEagerly = parseEagerly;
aoqi@0 62 this.chunkSize = chunkSize;
aoqi@0 63 this.memoryThreshold = inMemoryThreshold;
aoqi@0 64 this.prefix = prefix;
aoqi@0 65 this.suffix = suffix;
aoqi@0 66 setDir(dir);
aoqi@0 67 }
aoqi@0 68
aoqi@0 69 public MIMEConfig() {
aoqi@0 70 this(false, DEFAULT_CHUNK_SIZE, DEFAULT_MEMORY_THRESHOLD, null,
aoqi@0 71 DEFAULT_FILE_PREFIX, null);
aoqi@0 72 }
aoqi@0 73
aoqi@0 74 boolean isParseEagerly() {
aoqi@0 75 return parseEagerly;
aoqi@0 76 }
aoqi@0 77
aoqi@0 78 public void setParseEagerly(boolean parseEagerly) {
aoqi@0 79 this.parseEagerly = parseEagerly;
aoqi@0 80 }
aoqi@0 81
aoqi@0 82 int getChunkSize() {
aoqi@0 83 return chunkSize;
aoqi@0 84 }
aoqi@0 85
aoqi@0 86 void setChunkSize(int chunkSize) {
aoqi@0 87 this.chunkSize = chunkSize;
aoqi@0 88 }
aoqi@0 89
aoqi@0 90 long getMemoryThreshold() {
aoqi@0 91 return memoryThreshold;
aoqi@0 92 }
aoqi@0 93
aoqi@0 94 /**
aoqi@0 95 * If the attachment is greater than the threshold, it is
aoqi@0 96 * written to the disk.
aoqi@0 97 *
aoqi@0 98 * @param memoryThreshold no of bytes per attachment
aoqi@0 99 * if -1, then the whole attachment is kept in memory
aoqi@0 100 */
aoqi@0 101 public void setMemoryThreshold(long memoryThreshold) {
aoqi@0 102 this.memoryThreshold = memoryThreshold;
aoqi@0 103 }
aoqi@0 104
aoqi@0 105 boolean isOnlyMemory() {
aoqi@0 106 return memoryThreshold == -1L;
aoqi@0 107 }
aoqi@0 108
aoqi@0 109 File getTempDir() {
aoqi@0 110 return tempDir;
aoqi@0 111 }
aoqi@0 112
aoqi@0 113 String getTempFilePrefix() {
aoqi@0 114 return prefix;
aoqi@0 115 }
aoqi@0 116
aoqi@0 117 String getTempFileSuffix() {
aoqi@0 118 return suffix;
aoqi@0 119 }
aoqi@0 120
aoqi@0 121 /**
aoqi@0 122 * @param dir
aoqi@0 123 */
aoqi@0 124 public final void setDir(String dir) {
aoqi@0 125 if (tempDir == null && dir != null && !dir.equals("")) {
aoqi@0 126 tempDir = new File(dir);
aoqi@0 127 }
aoqi@0 128 }
aoqi@0 129
aoqi@0 130 /**
aoqi@0 131 * Validates if it can create temporary files. Otherwise, it stores
aoqi@0 132 * attachment contents in memory.
aoqi@0 133 */
aoqi@0 134 public void validate() {
aoqi@0 135 if (!isOnlyMemory()) {
aoqi@0 136 try {
aoqi@0 137 File tempFile = (tempDir == null)
aoqi@0 138 ? File.createTempFile(prefix, suffix)
aoqi@0 139 : File.createTempFile(prefix, suffix, tempDir);
aoqi@0 140 boolean deleted = tempFile.delete();
aoqi@0 141 if (!deleted) {
aoqi@0 142 if (LOGGER.isLoggable(Level.INFO)) {
aoqi@0 143 LOGGER.log(Level.INFO, "File {0} was not deleted", tempFile.getAbsolutePath());
aoqi@0 144 }
aoqi@0 145 }
aoqi@0 146 } catch(Exception ioe) {
aoqi@0 147 memoryThreshold = -1L; // whole attachment will be in-memory
aoqi@0 148 }
aoqi@0 149 }
aoqi@0 150 }
aoqi@0 151
aoqi@0 152 }

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