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.io.File;
29 import java.io.IOException;
30
31 /**
32 * Configuration for MIME message parsing and storing.
33 *
34 * @author Jitendra Kotamraju
35 */
36 public class MIMEConfig {
37
38 private static final int DEFAULT_CHUNK_SIZE = 8192;
39 private static final long DEFAULT_MEMORY_THRESHOLD = 1048576L;
40 private static final String DEFAULT_FILE_PREFIX = "MIME";
41
42 // Parses the entire message eagerly
43 boolean parseEagerly;
44
45 // Approximate Chunk size
46 int chunkSize;
47
48 // Maximum in-memory data per attachment
49 long memoryThreshold;
50
51 // Do not store to disk
52 boolean onlyMemory;
53
54 // temp Dir to store large files
55 File tempDir;
56 String prefix;
57 String suffix;
58
59
60 private MIMEConfig(boolean parseEagerly, int chunkSize,
61 long inMemoryThreshold, String dir, String prefix, String suffix) {
62 this.parseEagerly = parseEagerly;
63 this.chunkSize = chunkSize;
64 this.memoryThreshold = inMemoryThreshold;
65 this.prefix = prefix;
66 this.suffix = suffix;
67 setDir(dir);
68 }
69
70 public MIMEConfig() {
71 this(false, DEFAULT_CHUNK_SIZE, DEFAULT_MEMORY_THRESHOLD, null,
72 DEFAULT_FILE_PREFIX, null);
73 }
74
75 boolean isParseEagerly() {
76 return parseEagerly;
77 }
78
79 public void setParseEagerly(boolean parseEagerly) {
105
106 boolean isOnlyMemory() {
107 return memoryThreshold == -1L;
108 }
109
110 File getTempDir() {
111 return tempDir;
112 }
113
114 String getTempFilePrefix() {
115 return prefix;
116 }
117
118 String getTempFileSuffix() {
119 return suffix;
120 }
121
122 /**
123 * @param dir
124 */
125 public void setDir(String dir) {
126 if (tempDir == null && dir != null && !dir.equals("")) {
127 tempDir = new File(dir);
128 }
129 }
130
131 /**
132 * Validates if it can create temporary files. Otherwise, it stores
133 * attachment contents in memory.
134 */
135 public void validate() {
136 if (!isOnlyMemory()) {
137 try {
138 File tempFile = (tempDir == null)
139 ? File.createTempFile(prefix, suffix)
140 : File.createTempFile(prefix, suffix, tempDir);
141 tempFile.delete();
142 } catch(Exception ioe) {
143 memoryThreshold = -1L; // whole attachment will be in-memory
144 }
145 }
146 }
147
148 }
|
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 */
25
26 package com.sun.xml.internal.org.jvnet.mimepull;
27
28 import java.io.File;
29 import java.util.logging.Level;
30 import java.util.logging.Logger;
31
32 /**
33 * Configuration for MIME message parsing and storing.
34 *
35 * @author Jitendra Kotamraju
36 */
37 public class MIMEConfig {
38
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";
42
43 private static final Logger LOGGER = Logger.getLogger(MIMEConfig.class.getName());
44
45 // Parses the entire message eagerly
46 boolean parseEagerly;
47
48 // Approximate Chunk size
49 int chunkSize;
50
51 // Maximum in-memory data per attachment
52 long memoryThreshold;
53
54 // temp Dir to store large files
55 File tempDir;
56 String prefix;
57 String suffix;
58
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 }
68
69 public MIMEConfig() {
70 this(false, DEFAULT_CHUNK_SIZE, DEFAULT_MEMORY_THRESHOLD, null,
71 DEFAULT_FILE_PREFIX, null);
72 }
73
74 boolean isParseEagerly() {
75 return parseEagerly;
76 }
77
78 public void setParseEagerly(boolean parseEagerly) {
104
105 boolean isOnlyMemory() {
106 return memoryThreshold == -1L;
107 }
108
109 File getTempDir() {
110 return tempDir;
111 }
112
113 String getTempFilePrefix() {
114 return prefix;
115 }
116
117 String getTempFileSuffix() {
118 return suffix;
119 }
120
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 }
129
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 }
151
152 }
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