001/* 002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the Eclipse Public License v1.0 006 * which accompanies this distribution, and is available at 007 * http://www.eclipse.org/legal/epl-v10.html 008 * 009 * Contributors: 010 * bstefanescu 011 */ 012package org.nuxeo.ecm.platform.picture.operation; 013 014import java.io.IOException; 015import java.io.Serializable; 016import java.util.ArrayList; 017import java.util.HashMap; 018import java.util.Iterator; 019import java.util.Map; 020import java.util.Map.Entry; 021 022import org.apache.commons.logging.Log; 023import org.apache.commons.logging.LogFactory; 024import org.codehaus.jackson.JsonNode; 025import org.codehaus.jackson.map.ObjectMapper; 026import org.nuxeo.ecm.automation.core.Constants; 027import org.nuxeo.ecm.automation.core.annotations.Context; 028import org.nuxeo.ecm.automation.core.annotations.Operation; 029import org.nuxeo.ecm.automation.core.annotations.OperationMethod; 030import org.nuxeo.ecm.automation.core.annotations.Param; 031import org.nuxeo.ecm.automation.core.collectors.DocumentModelCollector; 032import org.nuxeo.ecm.automation.core.util.ComplexTypeJSONDecoder; 033import org.nuxeo.ecm.automation.core.util.DocumentHelper; 034import org.nuxeo.ecm.automation.core.util.Properties; 035import org.nuxeo.ecm.core.api.Blob; 036import org.nuxeo.ecm.core.api.CoreSession; 037import org.nuxeo.ecm.core.api.DocumentModel; 038import org.nuxeo.ecm.core.api.DocumentRef; 039import org.nuxeo.ecm.platform.picture.api.adapters.PictureResourceAdapter; 040 041/** 042 * Create a Picture document into the input document 043 * 044 * @author <a href="mailto:tdelprat@nuxeo.com">Thierry Delprat</a> 045 */ 046@Operation(id = CreatePicture.ID, category = Constants.CAT_SERVICES, label = "Create Picture", description = "Create a Picture document in the input folder. You can initialize the document properties using the 'properties' parameter. The properties are specified as <i>key=value</i> pairs separated by a new line. The key <i>originalPicture</i> is used to reference the JSON representation of the Blob for the original picture. The <i>pictureTemplates</i> parameter can be used to define the size of the different views to be generated, each line must be a JSONObject { title=\"title\", description=\"description\", maxsize=maxsize}. Returns the created document.") 047public class CreatePicture { 048 049 public static final String ID = "Picture.Create"; 050 051 public static final String PICTURE_FIELD = "originalPicture"; 052 053 @Context 054 protected CoreSession session; 055 056 @Param(name = "name", required = false) 057 protected String name; 058 059 @Param(name = "properties", required = false) 060 protected Properties content; 061 062 @Param(name = "pictureTemplates", required = false) 063 protected Properties pictureTemplates; 064 065 protected static final Log log = LogFactory.getLog(CreatePicture.class); 066 067 protected ArrayList<Map<String, Object>> computePictureTemplates() { 068 if (pictureTemplates == null || pictureTemplates.size() == 0) { 069 return null; 070 } 071 ArrayList<Map<String, Object>> templates = new ArrayList<Map<String, Object>>(); 072 073 try { 074 ObjectMapper mapper = new ObjectMapper(); 075 076 // for (String templateDef : pictureTemplates) { 077 for (String name : pictureTemplates.keySet()) { 078 String templateDef = pictureTemplates.get(name); 079 JsonNode node = mapper.readTree(templateDef); 080 Map<String, Object> map = new HashMap<String, Object>(); 081 map.put("tag", name); 082 Iterator<Entry<String, JsonNode>> it = node.getFields(); 083 while (it.hasNext()) { 084 Entry<String, JsonNode> entry = it.next(); 085 if (entry.getValue().isInt() || entry.getValue().isLong()) { 086 map.put(entry.getKey(), entry.getValue().getLongValue()); 087 } else { 088 map.put(entry.getKey(), entry.getValue().getValueAsText()); 089 } 090 } 091 templates.add(map); 092 } 093 } catch (IOException e) { 094 log.error("Error while parsing picture templates", e); 095 } 096 097 return templates; 098 } 099 100 @OperationMethod(collector = DocumentModelCollector.class) 101 public DocumentModel run(DocumentModel doc) throws IOException { 102 if (name == null) { 103 name = "Untitled"; 104 } 105 String jsonBlob = content.get(PICTURE_FIELD); 106 content.remove(PICTURE_FIELD); 107 108 ArrayList<Map<String, Object>> templates = computePictureTemplates(); 109 110 DocumentModel newDoc = session.createDocumentModel(doc.getPathAsString(), name, "Picture"); 111 if (content != null) { 112 DocumentHelper.setProperties(session, newDoc, content); 113 } 114 DocumentModel picture = session.createDocument(newDoc); 115 116 if (jsonBlob == null) { 117 log.warn("Properties does not contains originalPicture field"); 118 } else { 119 Blob blob = (Blob) ComplexTypeJSONDecoder.decode(null, jsonBlob); 120 if (blob == null) { 121 log.warn("Unable to read Blob from properties"); 122 } else { 123 picture.setPropertyValue("file:content", (Serializable) blob); 124 picture.setPropertyValue("file:filename", blob.getFilename()); 125 PictureResourceAdapter adapter = picture.getAdapter(PictureResourceAdapter.class); 126 adapter.fillPictureViews(blob, blob.getFilename(), picture.getTitle(), templates); 127 picture = session.saveDocument(picture); 128 } 129 } 130 return picture; 131 } 132 133 @OperationMethod(collector = DocumentModelCollector.class) 134 public DocumentModel run(DocumentRef doc) throws IOException { 135 return run(session.getDocument(doc)); 136 } 137 138}