[6785] | 1 | /**************************************************************** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one * |
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| 3 | * or more contributor license agreements. See the NOTICE file * |
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| 4 | * distributed with this work for additional information * |
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| 5 | * regarding copyright ownership. The ASF licenses this file * |
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| 6 | * to you under the Apache License, Version 2.0 (the * |
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| 7 | * "License"); you may not use this file except in compliance * |
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| 8 | * with the License. You may obtain a copy of the License at * |
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| 9 | * * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 * |
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| 11 | * * |
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| 12 | * Unless required by applicable law or agreed to in writing, * |
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| 13 | * software distributed under the License is distributed on an * |
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| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * |
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| 15 | * KIND, either express or implied. See the License for the * |
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| 16 | * specific language governing permissions and limitations * |
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| 17 | * under the License. * |
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| 18 | ****************************************************************/ |
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| 19 | |
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| 20 | package org.apache.james.mime4j.message; |
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| 21 | |
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| 22 | import java.io.StringReader; |
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| 23 | import java.util.Collections; |
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| 24 | import java.util.List; |
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| 25 | import java.util.Map; |
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| 26 | |
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| 27 | import org.apache.james.mime4j.MimeException; |
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| 28 | import org.apache.james.mime4j.codec.DecodeMonitor; |
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| 29 | import org.apache.james.mime4j.dom.datetime.DateTime; |
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| 30 | import org.apache.james.mime4j.field.datetime.parser.DateTimeParser; |
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| 31 | import org.apache.james.mime4j.field.datetime.parser.ParseException; |
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| 32 | import org.apache.james.mime4j.field.language.parser.ContentLanguageParser; |
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| 33 | import org.apache.james.mime4j.field.mimeversion.parser.MimeVersionParser; |
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| 34 | import org.apache.james.mime4j.field.structured.parser.StructuredFieldParser; |
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| 35 | import org.apache.james.mime4j.stream.BodyDescriptor; |
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| 36 | import org.apache.james.mime4j.stream.DefaultBodyDescriptor; |
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| 37 | import org.apache.james.mime4j.stream.MutableBodyDescriptor; |
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| 38 | import org.apache.james.mime4j.stream.RawField; |
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| 39 | import org.apache.james.mime4j.util.MimeUtil; |
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| 40 | |
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| 41 | /** |
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| 42 | * Parses and stores values for standard MIME header values. |
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| 43 | * |
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| 44 | */ |
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| 45 | public class MaximalBodyDescriptor extends DefaultBodyDescriptor { |
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| 46 | |
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| 47 | private static final int DEFAULT_MINOR_VERSION = 0; |
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| 48 | private static final int DEFAULT_MAJOR_VERSION = 1; |
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| 49 | private boolean isMimeVersionSet; |
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| 50 | private int mimeMinorVersion; |
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| 51 | private int mimeMajorVersion; |
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| 52 | private MimeException mimeVersionException; |
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| 53 | private String contentId; |
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| 54 | private boolean isContentIdSet; |
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| 55 | private String contentDescription; |
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| 56 | private boolean isContentDescriptionSet; |
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| 57 | private String contentDispositionType; |
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| 58 | private Map<String, String> contentDispositionParameters; |
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| 59 | private DateTime contentDispositionModificationDate; |
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| 60 | private MimeException contentDispositionModificationDateParseException; |
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| 61 | private DateTime contentDispositionCreationDate; |
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| 62 | private MimeException contentDispositionCreationDateParseException; |
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| 63 | private DateTime contentDispositionReadDate; |
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| 64 | private MimeException contentDispositionReadDateParseException; |
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| 65 | private long contentDispositionSize; |
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| 66 | private MimeException contentDispositionSizeParseException; |
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| 67 | private boolean isContentDispositionSet; |
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| 68 | private List<String> contentLanguage; |
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| 69 | private MimeException contentLanguageParseException; |
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| 70 | private boolean isContentLanguageSet; |
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| 71 | private MimeException contentLocationParseException; |
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| 72 | private String contentLocation; |
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| 73 | private boolean isContentLocationSet; |
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| 74 | private String contentMD5Raw; |
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| 75 | private boolean isContentMD5Set; |
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| 76 | |
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| 77 | protected MaximalBodyDescriptor() { |
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| 78 | this(null, null); |
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| 79 | } |
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| 80 | |
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| 81 | public MaximalBodyDescriptor(final BodyDescriptor parent, final DecodeMonitor monitor) { |
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| 82 | super(parent, monitor); |
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| 83 | isMimeVersionSet = false; |
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| 84 | mimeMajorVersion = DEFAULT_MAJOR_VERSION; |
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| 85 | mimeMinorVersion = DEFAULT_MINOR_VERSION; |
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| 86 | this.contentId = null; |
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| 87 | this.isContentIdSet = false; |
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| 88 | this.contentDescription = null; |
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| 89 | this.isContentDescriptionSet = false; |
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| 90 | this.contentDispositionType = null; |
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| 91 | this.contentDispositionParameters = Collections.emptyMap(); |
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| 92 | this.contentDispositionModificationDate = null; |
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| 93 | this.contentDispositionModificationDateParseException = null; |
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| 94 | this.contentDispositionCreationDate = null; |
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| 95 | this.contentDispositionCreationDateParseException = null; |
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| 96 | this.contentDispositionReadDate = null; |
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| 97 | this.contentDispositionReadDateParseException = null; |
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| 98 | this.contentDispositionSize = -1; |
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| 99 | this.contentDispositionSizeParseException = null; |
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| 100 | this.isContentDispositionSet = false; |
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| 101 | this.contentLanguage = null; |
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| 102 | this.contentLanguageParseException = null; |
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| 103 | this.isContentIdSet = false; |
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| 104 | this.contentLocation = null; |
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| 105 | this.contentLocationParseException = null; |
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| 106 | this.isContentLocationSet = false; |
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| 107 | this.contentMD5Raw = null; |
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| 108 | this.isContentMD5Set = false; |
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| 109 | } |
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| 110 | |
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| 111 | @Override |
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| 112 | public MutableBodyDescriptor newChild() { |
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| 113 | return new MaximalBodyDescriptor(this, getDecodeMonitor()); |
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| 114 | } |
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| 115 | |
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| 116 | @Override |
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| 117 | public void addField(RawField field) throws MimeException { |
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| 118 | String name = field.getName(); |
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| 119 | String value = field.getBody(); |
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| 120 | name = name.trim().toLowerCase(); |
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| 121 | if (MimeUtil.MIME_HEADER_MIME_VERSION.equals(name) && !isMimeVersionSet) { |
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| 122 | parseMimeVersion(value); |
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| 123 | } else if (MimeUtil.MIME_HEADER_CONTENT_ID.equals(name) && !isContentIdSet) { |
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| 124 | parseContentId(value); |
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| 125 | } else if (MimeUtil.MIME_HEADER_CONTENT_DESCRIPTION.equals(name) && !isContentDescriptionSet) { |
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| 126 | parseContentDescription(value); |
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| 127 | } else if (MimeUtil.MIME_HEADER_CONTENT_DISPOSITION.equals(name) && !isContentDispositionSet) { |
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| 128 | parseContentDisposition(value); |
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| 129 | } else if (MimeUtil.MIME_HEADER_LANGAUGE.equals(name) && !isContentLanguageSet) { |
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| 130 | parseLanguage(value); |
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| 131 | } else if (MimeUtil.MIME_HEADER_LOCATION.equals(name) && !isContentLocationSet) { |
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| 132 | parseLocation(value); |
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| 133 | } else if (MimeUtil.MIME_HEADER_MD5.equals(name) && !isContentMD5Set) { |
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| 134 | parseMD5(value); |
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| 135 | } else { |
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| 136 | super.addField(field); |
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| 137 | } |
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| 138 | } |
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| 139 | |
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| 140 | private void parseMD5(String value) { |
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| 141 | isContentMD5Set = true; |
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| 142 | if (value != null) { |
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| 143 | contentMD5Raw = value.trim(); |
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| 144 | } |
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| 145 | } |
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| 146 | |
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| 147 | private void parseLocation(final String value) { |
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| 148 | isContentLocationSet = true; |
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| 149 | if (value != null) { |
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| 150 | final StringReader stringReader = new StringReader(value); |
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| 151 | final StructuredFieldParser parser = new StructuredFieldParser(stringReader); |
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| 152 | try { |
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| 153 | // From RFC2017 3.1 |
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| 154 | /* |
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| 155 | * Extraction of the URL string from the URL-parameter is even simpler: |
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| 156 | * The enclosing quotes and any linear whitespace are removed and the |
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| 157 | * remaining material is the URL string. |
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| 158 | * Read more: http://www.faqs.org/rfcs/rfc2017.html#ixzz0aufO9nRL |
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| 159 | */ |
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| 160 | contentLocation = parser.parse().replaceAll("\\s", ""); |
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| 161 | } catch (MimeException e) { |
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| 162 | contentLocationParseException = e; |
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| 163 | } |
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| 164 | } |
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| 165 | } |
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| 166 | |
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| 167 | private void parseLanguage(final String value) { |
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| 168 | isContentLanguageSet = true; |
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| 169 | if (value != null) { |
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| 170 | try { |
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| 171 | final ContentLanguageParser parser = new ContentLanguageParser(new StringReader(value)); |
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| 172 | contentLanguage = parser.parse(); |
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| 173 | } catch (MimeException e) { |
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| 174 | contentLanguageParseException = e; |
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| 175 | } |
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| 176 | } |
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| 177 | } |
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| 178 | |
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| 179 | private void parseContentDisposition(final String value) throws MimeException { |
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| 180 | isContentDispositionSet = true; |
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| 181 | contentDispositionParameters = DefaultBodyDescriptor.getHeaderParams(value, getDecodeMonitor()); |
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| 182 | contentDispositionType = contentDispositionParameters.get(""); |
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| 183 | |
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| 184 | final String contentDispositionModificationDate |
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| 185 | = contentDispositionParameters.get(MimeUtil.PARAM_MODIFICATION_DATE); |
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| 186 | if (contentDispositionModificationDate != null) { |
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| 187 | try { |
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| 188 | this.contentDispositionModificationDate = parseDate(contentDispositionModificationDate); |
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| 189 | } catch (ParseException e) { |
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| 190 | this.contentDispositionModificationDateParseException = e; |
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| 191 | } |
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| 192 | } |
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| 193 | |
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| 194 | final String contentDispositionCreationDate |
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| 195 | = contentDispositionParameters.get(MimeUtil.PARAM_CREATION_DATE); |
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| 196 | if (contentDispositionCreationDate != null) { |
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| 197 | try { |
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| 198 | this.contentDispositionCreationDate = parseDate(contentDispositionCreationDate); |
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| 199 | } catch (ParseException e) { |
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| 200 | this.contentDispositionCreationDateParseException = e; |
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| 201 | } |
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| 202 | } |
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| 203 | |
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| 204 | final String contentDispositionReadDate |
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| 205 | = contentDispositionParameters.get(MimeUtil.PARAM_READ_DATE); |
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| 206 | if (contentDispositionReadDate != null) { |
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| 207 | try { |
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| 208 | this.contentDispositionReadDate = parseDate(contentDispositionReadDate); |
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| 209 | } catch (ParseException e) { |
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| 210 | this.contentDispositionReadDateParseException = e; |
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| 211 | } |
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| 212 | } |
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| 213 | |
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| 214 | final String size = contentDispositionParameters.get(MimeUtil.PARAM_SIZE); |
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| 215 | if (size != null) { |
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| 216 | try { |
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| 217 | contentDispositionSize = Long.parseLong(size); |
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| 218 | } catch (NumberFormatException e) { |
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| 219 | this.contentDispositionSizeParseException = (MimeException) new MimeException(e.getMessage(), e).fillInStackTrace(); |
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| 220 | } |
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| 221 | } |
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| 222 | contentDispositionParameters.remove(""); |
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| 223 | } |
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| 224 | |
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| 225 | private DateTime parseDate(final String date) throws ParseException { |
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| 226 | final StringReader stringReader = new StringReader(date); |
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| 227 | final DateTimeParser parser = new DateTimeParser(stringReader); |
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| 228 | DateTime result = parser.date_time(); |
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| 229 | return result; |
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| 230 | } |
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| 231 | |
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| 232 | private void parseContentDescription(String value) { |
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| 233 | if (value == null) { |
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| 234 | contentDescription = ""; |
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| 235 | } else { |
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| 236 | contentDescription = value.trim(); |
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| 237 | } |
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| 238 | isContentDescriptionSet = true; |
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| 239 | } |
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| 240 | |
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| 241 | private void parseContentId(final String value) { |
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| 242 | if (value == null) { |
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| 243 | contentId = ""; |
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| 244 | } else { |
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| 245 | contentId = value.trim(); |
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| 246 | } |
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| 247 | isContentIdSet = true; |
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| 248 | } |
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| 249 | |
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| 250 | private void parseMimeVersion(String value) { |
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| 251 | final StringReader reader = new StringReader(value); |
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| 252 | final MimeVersionParser parser = new MimeVersionParser(reader); |
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| 253 | try { |
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| 254 | parser.parse(); |
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| 255 | final int major = parser.getMajorVersion(); |
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| 256 | if (major != MimeVersionParser.INITIAL_VERSION_VALUE) { |
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| 257 | mimeMajorVersion = major; |
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| 258 | } |
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| 259 | final int minor = parser.getMinorVersion(); |
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| 260 | if (minor != MimeVersionParser.INITIAL_VERSION_VALUE) { |
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| 261 | mimeMinorVersion = minor; |
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| 262 | } |
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| 263 | } catch (MimeException e) { |
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| 264 | this.mimeVersionException = e; |
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| 265 | } |
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| 266 | isMimeVersionSet = true; |
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| 267 | } |
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| 268 | |
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| 269 | /** |
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| 270 | * Gets the MIME major version |
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| 271 | * as specified by the <code>MIME-Version</code> |
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| 272 | * header. |
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| 273 | * Defaults to one. |
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| 274 | * @return positive integer |
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| 275 | */ |
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| 276 | public int getMimeMajorVersion() { |
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| 277 | return mimeMajorVersion; |
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| 278 | } |
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| 279 | |
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| 280 | /** |
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| 281 | * Gets the MIME minor version |
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| 282 | * as specified by the <code>MIME-Version</code> |
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| 283 | * header. |
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| 284 | * Defaults to zero. |
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| 285 | * @return positive integer |
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| 286 | */ |
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| 287 | public int getMimeMinorVersion() { |
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| 288 | return mimeMinorVersion; |
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| 289 | } |
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| 290 | |
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| 291 | |
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| 292 | /** |
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| 293 | * When the MIME version header exists but cannot be parsed |
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| 294 | * this field will be contain the exception. |
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| 295 | * @return <code>MimeException</code> if the mime header cannot |
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| 296 | * be parsed, null otherwise |
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| 297 | */ |
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| 298 | public MimeException getMimeVersionParseException() { |
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| 299 | return mimeVersionException; |
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| 300 | } |
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| 301 | |
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| 302 | /** |
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| 303 | * Gets the value of the <a href='http://www.faqs.org/rfcs/rfc2045'>RFC</a> |
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| 304 | * <code>Content-Description</code> header. |
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| 305 | * @return value of the <code>Content-Description</code> when present, |
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| 306 | * null otherwise |
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| 307 | */ |
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| 308 | public String getContentDescription() { |
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| 309 | return contentDescription; |
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| 310 | } |
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| 311 | |
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| 312 | /** |
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| 313 | * Gets the value of the <a href='http://www.faqs.org/rfcs/rfc2045'>RFC</a> |
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| 314 | * <code>Content-ID</code> header. |
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| 315 | * @return value of the <code>Content-ID</code> when present, |
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| 316 | * null otherwise |
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| 317 | */ |
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| 318 | public String getContentId() { |
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| 319 | return contentId; |
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| 320 | } |
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| 321 | |
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| 322 | /** |
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| 323 | * Gets the disposition type of the <code>content-disposition</code> field. |
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| 324 | * The value is case insensitive and will be converted to lower case. |
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| 325 | * See <a href='http://www.faqs.org/rfcs/rfc2183.html'>RFC2183</a>. |
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| 326 | * @return content disposition type, |
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| 327 | * or null when this has not been set |
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| 328 | */ |
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| 329 | public String getContentDispositionType() { |
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| 330 | return contentDispositionType; |
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| 331 | } |
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| 332 | |
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| 333 | /** |
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| 334 | * Gets the parameters of the <code>content-disposition</code> field. |
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| 335 | * See <a href='http://www.faqs.org/rfcs/rfc2183.html'>RFC2183</a>. |
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| 336 | * @return parameter value strings indexed by parameter name strings, |
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| 337 | * not null |
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| 338 | */ |
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| 339 | public Map<String, String> getContentDispositionParameters() { |
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| 340 | return contentDispositionParameters; |
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| 341 | } |
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| 342 | |
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| 343 | /** |
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| 344 | * Gets the <code>filename</code> parameter value of the <code>content-disposition</code> field. |
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| 345 | * See <a href='http://www.faqs.org/rfcs/rfc2183.html'>RFC2183</a>. |
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| 346 | * @return filename parameter value, |
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| 347 | * or null when it is not present |
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| 348 | */ |
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| 349 | public String getContentDispositionFilename() { |
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| 350 | return contentDispositionParameters.get(MimeUtil.PARAM_FILENAME); |
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| 351 | } |
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| 352 | |
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| 353 | /** |
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| 354 | * Gets the <code>modification-date</code> parameter value of the <code>content-disposition</code> field. |
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| 355 | * See <a href='http://www.faqs.org/rfcs/rfc2183.html'>RFC2183</a>. |
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| 356 | * @return modification-date parameter value, |
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| 357 | * or null when this is not present |
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| 358 | */ |
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| 359 | public DateTime getContentDispositionModificationDate() { |
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| 360 | return contentDispositionModificationDate; |
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| 361 | } |
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| 362 | |
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| 363 | /** |
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| 364 | * Gets any exception thrown during the parsing of {@link #getContentDispositionModificationDate()} |
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| 365 | * @return <code>ParseException</code> when the modification-date parse fails, |
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| 366 | * null otherwise |
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| 367 | */ |
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| 368 | public MimeException getContentDispositionModificationDateParseException() { |
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| 369 | return contentDispositionModificationDateParseException; |
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| 370 | } |
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| 371 | |
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| 372 | /** |
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| 373 | * Gets the <code>creation-date</code> parameter value of the <code>content-disposition</code> field. |
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| 374 | * See <a href='http://www.faqs.org/rfcs/rfc2183.html'>RFC2183</a>. |
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| 375 | * @return creation-date parameter value, |
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| 376 | * or null when this is not present |
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| 377 | */ |
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| 378 | public DateTime getContentDispositionCreationDate() { |
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| 379 | return contentDispositionCreationDate; |
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| 380 | } |
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| 381 | |
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| 382 | /** |
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| 383 | * Gets any exception thrown during the parsing of {@link #getContentDispositionCreationDate()} |
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| 384 | * @return <code>ParseException</code> when the creation-date parse fails, |
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| 385 | * null otherwise |
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| 386 | */ |
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| 387 | public MimeException getContentDispositionCreationDateParseException() { |
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| 388 | return contentDispositionCreationDateParseException; |
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| 389 | } |
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| 390 | |
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| 391 | /** |
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| 392 | * Gets the <code>read-date</code> parameter value of the <code>content-disposition</code> field. |
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| 393 | * See <a href='http://www.faqs.org/rfcs/rfc2183.html'>RFC2183</a>. |
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| 394 | * @return read-date parameter value, |
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| 395 | * or null when this is not present |
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| 396 | */ |
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| 397 | public DateTime getContentDispositionReadDate() { |
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| 398 | return contentDispositionReadDate; |
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| 399 | } |
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| 400 | |
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| 401 | /** |
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| 402 | * Gets any exception thrown during the parsing of {@link #getContentDispositionReadDate()} |
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| 403 | * @return <code>ParseException</code> when the read-date parse fails, |
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| 404 | * null otherwise |
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| 405 | */ |
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| 406 | public MimeException getContentDispositionReadDateParseException() { |
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| 407 | return contentDispositionReadDateParseException; |
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| 408 | } |
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| 409 | |
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| 410 | /** |
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| 411 | * Gets the <code>size</code> parameter value of the <code>content-disposition</code> field. |
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| 412 | * See <a href='http://www.faqs.org/rfcs/rfc2183.html'>RFC2183</a>. |
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| 413 | * @return size parameter value, |
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| 414 | * or -1 if this size has not been set |
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| 415 | */ |
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| 416 | public long getContentDispositionSize() { |
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| 417 | return contentDispositionSize; |
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| 418 | } |
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| 419 | |
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| 420 | /** |
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| 421 | * Gets any exception thrown during the parsing of {@link #getContentDispositionSize()} |
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| 422 | * @return <code>ParseException</code> when the read-date parse fails, |
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| 423 | * null otherwise |
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| 424 | */ |
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| 425 | public MimeException getContentDispositionSizeParseException() { |
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| 426 | return contentDispositionSizeParseException; |
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| 427 | } |
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| 428 | |
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| 429 | /** |
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| 430 | * Get the <code>content-language</code> header values. |
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| 431 | * Each applicable language tag will be returned in order. |
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| 432 | * See <a href='http://tools.ietf.org/html/rfc4646'>RFC4646</a> |
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| 433 | * <cite>http://tools.ietf.org/html/rfc4646</cite>. |
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| 434 | * @return list of language tag Strings, |
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| 435 | * or null if no header exists |
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| 436 | */ |
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| 437 | public List<String> getContentLanguage() { |
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| 438 | return contentLanguage; |
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| 439 | } |
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| 440 | |
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| 441 | /** |
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| 442 | * Gets any exception thrown during the parsing of {@link #getContentLanguage()} |
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| 443 | * @return <code>ParseException</code> when the content-language parse fails, |
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| 444 | * null otherwise |
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| 445 | */ |
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| 446 | public MimeException getContentLanguageParseException() { |
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| 447 | return contentLanguageParseException; |
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| 448 | } |
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| 449 | |
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| 450 | |
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| 451 | /** |
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| 452 | * Get the <code>content-location</code> header value. |
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| 453 | * See <a href='http://tools.ietf.org/html/rfc2557'>RFC2557</a> |
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| 454 | * @return the URL content-location |
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| 455 | * or null if no header exists |
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| 456 | */ |
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| 457 | public String getContentLocation() { |
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| 458 | return contentLocation; |
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| 459 | } |
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| 460 | |
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| 461 | /** |
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| 462 | * Gets any exception thrown during the parsing of {@link #getContentLocation()} |
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| 463 | * @return <code>ParseException</code> when the content-language parse fails, |
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| 464 | * null otherwise |
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| 465 | */ |
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| 466 | public MimeException getContentLocationParseException() { |
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| 467 | return contentLocationParseException; |
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| 468 | } |
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| 469 | |
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| 470 | /** |
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| 471 | * Gets the raw, Base64 encoded value of the |
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| 472 | * <code>Content-MD5</code> field. |
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| 473 | * See <a href='http://tools.ietf.org/html/rfc1864'>RFC1864</a>. |
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| 474 | * @return raw encoded content-md5 |
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| 475 | * or null if no header exists |
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| 476 | */ |
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| 477 | public String getContentMD5Raw() { |
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| 478 | return contentMD5Raw; |
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| 479 | } |
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| 480 | |
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| 481 | |
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| 482 | } |
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