001/* 002 * (C) Copyright 2006-2011 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 * Nuxeo - initial API and implementation 018 * 019 */ 020 021package org.nuxeo.ecm.automation.core.util; 022 023import org.codehaus.jackson.node.ObjectNode; 024import org.nuxeo.ecm.core.api.Blob; 025import org.nuxeo.ecm.core.api.Blobs; 026 027/** 028 * Very basic implementation of a Blob decoder Only usable for StringBlobs 029 * 030 * @author Tiry (tdelprat@nuxeo.com) 031 * @since 5.5 032 */ 033public class JSONStringBlobDecoder implements JSONBlobDecoder { 034 @Override 035 public Blob getBlobFromJSON(ObjectNode jsonObject) { 036 Blob blob = null; 037 038 String filename = null; 039 if (jsonObject.has("filename")) { 040 filename = jsonObject.get("filename").getTextValue(); 041 } 042 if (filename == null && jsonObject.has("name")) { 043 filename = jsonObject.get("name").getTextValue(); 044 } 045 String encoding = "UTF-8"; 046 if (jsonObject.has("encoding")) { 047 encoding = jsonObject.get("encoding").getTextValue(); 048 } 049 050 String mimetype = "text/plain"; 051 if (jsonObject.has("mime-type")) { 052 mimetype = jsonObject.get("mime-type").getTextValue(); 053 } 054 String data = null; 055 if (jsonObject.has("data")) { 056 data = jsonObject.get("data").getTextValue(); 057 // try to avoid the bug NXP-18488: data contains the blob url 058 // and must not be recognized as a new blob content 059 if (data.startsWith("http")) { 060 data = null; 061 } 062 } else if (jsonObject.has("content")) { 063 data = jsonObject.get("content").getTextValue(); 064 } 065 if (data == null) { 066 return null; 067 } else { 068 blob = Blobs.createBlob(data, mimetype, encoding); 069 } 070 return blob; 071 } 072}