001/*
002 * (C) Copyright 2013-2018 Nuxeo (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Antoine Taillefer <[email protected]>
018 */
019package org.nuxeo.drive.operations;
020
021import javax.mail.internet.ContentType;
022import javax.mail.internet.ParseException;
023
024import org.apache.commons.lang3.StringUtils;
025import org.nuxeo.ecm.core.api.Blob;
026
027/**
028 * Helper for Nuxeo Drive operations.
029 *
030 * @author Antoine Taillefer
031 */
032public final class NuxeoDriveOperationHelper {
033
034    private NuxeoDriveOperationHelper() {
035        // Helper class
036    }
037
038    public static void normalizeMimeTypeAndEncoding(Blob blob) throws ParseException {
039
040        String mimeType = blob.getMimeType();
041        if (!StringUtils.isEmpty(mimeType) && !"null".equals(mimeType)) {
042            ContentType contentType = new ContentType(mimeType);
043            blob.setMimeType(contentType.getBaseType());
044            if (StringUtils.isEmpty(blob.getEncoding())) {
045                String charset = contentType.getParameter("charset");
046                if (!StringUtils.isEmpty(charset)) {
047                    blob.setEncoding(charset);
048                }
049            }
050        }
051    }
052
053}