jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/MIMEConfig.java@9c07ef4934dd

     1 /*

     2  * Copyright (c) 1997, 2012, 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  */

    26 package com.sun.xml.internal.org.jvnet.mimepull;

    28 import java.io.File;

    29 import java.util.logging.Level;

    30 import java.util.logging.Logger;

    32 /**

    33  * Configuration for MIME message parsing and storing.

    34  *

    35  * @author Jitendra Kotamraju

    36  */

    37 public class MIMEConfig {

    39     private static final int DEFAULT_CHUNK_SIZE = 8192;

    40     private static final long DEFAULT_MEMORY_THRESHOLD = 1048576L;

    41     private static final String DEFAULT_FILE_PREFIX = "MIME";

    43     private static final Logger LOGGER = Logger.getLogger(MIMEConfig.class.getName());

    45     // Parses the entire message eagerly

    46     boolean parseEagerly;

    48     // Approximate Chunk size

    49     int chunkSize;

    51     // Maximum in-memory data per attachment

    52     long memoryThreshold;

    54     // temp Dir to store large files

    55     File tempDir;

    56     String prefix;

    57     String suffix;

    59     private MIMEConfig(boolean parseEagerly, int chunkSize,

    60                        long inMemoryThreshold, String dir, String prefix, String suffix) {

    61         this.parseEagerly = parseEagerly;

    62         this.chunkSize = chunkSize;

    63         this.memoryThreshold = inMemoryThreshold;

    64         this.prefix = prefix;

    65         this.suffix = suffix;

    66         setDir(dir);

    67     }

    69     public MIMEConfig() {

    70         this(false, DEFAULT_CHUNK_SIZE, DEFAULT_MEMORY_THRESHOLD, null,

    71                 DEFAULT_FILE_PREFIX, null);

    72     }

    74     boolean isParseEagerly() {

    75         return parseEagerly;

    76     }

    78     public void setParseEagerly(boolean parseEagerly) {

    79         this.parseEagerly = parseEagerly;

    80     }

    82     int getChunkSize() {

    83         return chunkSize;

    84     }

    86     void setChunkSize(int chunkSize) {

    87         this.chunkSize = chunkSize;

    88     }

    90     long getMemoryThreshold() {

    91         return memoryThreshold;

    92     }

    94     /**

    95      * If the attachment is greater than the threshold, it is

    96      * written to the disk.

    97      *

    98      * @param memoryThreshold no of bytes per attachment

    99      *        if -1, then the whole attachment is kept in memory

   100      */

   101     public void setMemoryThreshold(long memoryThreshold) {

   102         this.memoryThreshold = memoryThreshold;

   103     }

   105     boolean isOnlyMemory() {

   106         return memoryThreshold == -1L;

   107     }

   109     File getTempDir() {

   110         return tempDir;

   111     }

   113     String getTempFilePrefix() {

   114         return prefix;

   115     }

   117     String getTempFileSuffix() {

   118         return suffix;

   119     }

   121     /**

   122      * @param dir

   123      */

   124     public final void setDir(String dir) {

   125         if (tempDir == null && dir != null && !dir.equals("")) {

   126             tempDir = new File(dir);

   127         }

   128     }

   130     /**

   131      * Validates if it can create temporary files. Otherwise, it stores

   132      * attachment contents in memory.

   133      */

   134     public void validate() {

   135         if (!isOnlyMemory()) {

   136             try {

   137                 File tempFile = (tempDir == null)

   138                         ? File.createTempFile(prefix, suffix)

   139                         : File.createTempFile(prefix, suffix, tempDir);

   140                 boolean deleted = tempFile.delete();

   141                 if (!deleted) {

   142                     if (LOGGER.isLoggable(Level.INFO)) {

   143                         LOGGER.log(Level.INFO, "File {0} was not deleted", tempFile.getAbsolutePath());

   144                     }

   145                 }

   146             } catch(Exception ioe) {

   147                 memoryThreshold = -1L;      // whole attachment will be in-memory

   148             }

   149         }

   150     }

   152 }

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