001    /****************************************************************
002     * Licensed to the Apache Software Foundation (ASF) under one   *
003     * or more contributor license agreements.  See the NOTICE file *
004     * distributed with this work for additional information        *
005     * regarding copyright ownership.  The ASF licenses this file   *
006     * to you under the Apache License, Version 2.0 (the            *
007     * "License"); you may not use this file except in compliance   *
008     * with the License.  You may obtain a copy of the License at   *
009     *                                                              *
010     *   http://www.apache.org/licenses/LICENSE-2.0                 *
011     *                                                              *
012     * Unless required by applicable law or agreed to in writing,   *
013     * software distributed under the License is distributed on an  *
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
015     * KIND, either express or implied.  See the License for the    *
016     * specific language governing permissions and limitations      *
017     * under the License.                                           *
018     ****************************************************************/
019    
020    package org.apache.james.mime4j.message;
021    
022    import java.util.Date;
023    import java.util.Map;
024    
025    import org.apache.james.mime4j.dom.field.ContentDispositionField;
026    import org.apache.james.mime4j.dom.field.ContentTransferEncodingField;
027    import org.apache.james.mime4j.dom.field.ContentTypeField;
028    import org.apache.james.mime4j.field.ContentTransferEncodingFieldImpl;
029    import org.apache.james.mime4j.field.ContentTypeFieldImpl;
030    import org.apache.james.mime4j.field.Fields;
031    import org.apache.james.mime4j.util.MimeUtil;
032    
033    /**
034     * A MIME body part (as defined in RFC 2045).
035     */
036    public class BodyPart extends AbstractEntity {
037    
038        /**
039         * Creates a new empty <code>BodyPart</code>.
040         */
041        public BodyPart() {
042        }
043    
044        @Override
045        protected String newUniqueBoundary() {
046            return MimeUtil.createUniqueBoundary();
047        }
048    
049        @Override
050        protected ContentDispositionField newContentDisposition(
051                String dispositionType, String filename, long size,
052                Date creationDate, Date modificationDate, Date readDate) {
053            return Fields.contentDisposition(dispositionType, filename, size,
054                    creationDate, modificationDate, readDate);
055        }
056    
057        @Override
058        protected ContentDispositionField newContentDisposition(
059                String dispositionType, Map<String, String> parameters) {
060            return Fields.contentDisposition(dispositionType, parameters);
061        }
062    
063        @Override
064        protected ContentTypeField newContentType(String mimeType,
065                Map<String, String> parameters) {
066            return Fields.contentType(mimeType, parameters);
067        }
068    
069        @Override
070        protected ContentTransferEncodingField newContentTransferEncoding(
071                String contentTransferEncoding) {
072            return Fields.contentTransferEncoding(contentTransferEncoding);
073        }
074    
075        @Override
076        protected String calcTransferEncoding(ContentTransferEncodingField f) {
077            return ContentTransferEncodingFieldImpl.getEncoding(f);
078        }
079    
080        @Override
081        protected String calcMimeType(ContentTypeField child, ContentTypeField parent) {
082            return ContentTypeFieldImpl.getMimeType(child, parent);
083        }
084    
085        @Override
086        protected String calcCharset(ContentTypeField contentType) {
087            return ContentTypeFieldImpl.getCharset(contentType);
088        }
089    
090    }