001/* 002 * (C) Copyright 2013 Nuxeo SA (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 <ataillefer@nuxeo.com> 018 */ 019package org.nuxeo.drive.operations; 020 021import java.io.IOException; 022 023import javax.mail.internet.ContentType; 024import javax.mail.internet.ParseException; 025 026import org.apache.commons.lang.StringUtils; 027import org.codehaus.jackson.JsonGenerationException; 028import org.codehaus.jackson.map.JsonMappingException; 029import org.codehaus.jackson.map.ObjectMapper; 030import org.nuxeo.ecm.core.api.Blob; 031import org.nuxeo.ecm.core.api.impl.blob.StringBlob; 032 033/** 034 * Helper for Nuxeo Drive operations. 035 * 036 * @author Antoine Taillefer 037 */ 038public final class NuxeoDriveOperationHelper { 039 040 private NuxeoDriveOperationHelper() { 041 // Helper class 042 } 043 044 public static void normalizeMimeTypeAndEncoding(Blob blob) throws ParseException { 045 046 String mimeType = blob.getMimeType(); 047 if (!StringUtils.isEmpty(mimeType) && !"null".equals(mimeType)) { 048 ContentType contentType = new ContentType(mimeType); 049 blob.setMimeType(contentType.getBaseType()); 050 if (StringUtils.isEmpty(blob.getEncoding())) { 051 String charset = contentType.getParameter("charset"); 052 if (!StringUtils.isEmpty(charset)) { 053 blob.setEncoding(charset); 054 } 055 } 056 } 057 } 058 059 public static Blob asJSONBlob(Object value) throws JsonGenerationException, JsonMappingException, IOException { 060 return new StringBlob(new ObjectMapper().writeValueAsString(value), "application/json"); 061 } 062 063}