001/*
002 * (C) Copyright 2011-2016 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 *     Thierry Delprat
018 */
019package org.nuxeo.ecm.automation.core.operations.services;
020
021import java.io.Serializable;
022import java.util.ArrayList;
023import java.util.HashMap;
024import java.util.List;
025import java.util.Map;
026
027import org.nuxeo.ecm.automation.AutomationService;
028import org.nuxeo.ecm.automation.OperationContext;
029import org.nuxeo.ecm.automation.OperationException;
030import org.nuxeo.ecm.automation.core.Constants;
031import org.nuxeo.ecm.automation.core.annotations.Context;
032import org.nuxeo.ecm.automation.core.annotations.Operation;
033import org.nuxeo.ecm.automation.core.annotations.OperationMethod;
034import org.nuxeo.ecm.automation.core.annotations.Param;
035import org.nuxeo.ecm.automation.core.util.BlobList;
036import org.nuxeo.ecm.core.api.Blob;
037import org.nuxeo.ecm.core.api.CoreSession;
038import org.nuxeo.ecm.core.api.DocumentModel;
039import org.nuxeo.ecm.core.api.blobholder.BlobHolder;
040
041@Operation(id = BlobHolderAttach.ID, category = Constants.CAT_BLOB, label = "Attach File or files to the currentDocument.", description = "Attach the input file(s) to the current document using the BlobHolder abstraction", aliases = {
042        "BlobHolder.Attach" })
043public class BlobHolderAttach {
044
045    public static final String ID = "BlobHolder.AttachOnCurrentDocument";
046
047    @Context
048    protected CoreSession session;
049
050    @Context
051    protected AutomationService as;
052
053    @Context
054    protected OperationContext context;
055
056    @Param(name = "useMainBlob", required = false)
057    protected boolean useMainBlob = true;
058
059    protected DocumentModel getCurrentDocument() throws OperationException {
060        String cdRef = (String) context.get("currentDocument");
061        return as.getAdaptedValue(context, cdRef, DocumentModel.class);
062    }
063
064    @OperationMethod
065    public DocumentModel run(Blob blob) throws OperationException {
066        DocumentModel currentDocument = getCurrentDocument();
067        BlobHolder bh = currentDocument.getAdapter(BlobHolder.class);
068        if (bh == null) {
069            return currentDocument;
070        }
071        bh.setBlob(blob);
072        currentDocument = session.saveDocument(currentDocument);
073        context.put("currentDocument", currentDocument);
074        return currentDocument;
075    }
076
077    @OperationMethod
078    public DocumentModel run(BlobList blobs) throws OperationException {
079        DocumentModel currentDocument;
080        if (useMainBlob) {
081            Blob mainBlob = blobs.remove(0);
082            currentDocument = run(mainBlob);
083        } else {
084            currentDocument = getCurrentDocument();
085        }
086        if (blobs.size() > 0) {
087            if (currentDocument.hasSchema("files")) {
088                List<Map<String, Object>> existingBlobs = (List<Map<String, Object>>) currentDocument.getPropertyValue(
089                        "files:files");
090                if (existingBlobs == null) {
091                    existingBlobs = new ArrayList<>();
092                }
093                for (Blob blob : blobs) {
094                    Map<String, Object> map = new HashMap<>();
095                    map.put("file", blob);
096                    existingBlobs.add(map);
097                }
098                currentDocument.setPropertyValue("files:files", (Serializable) existingBlobs);
099                currentDocument = session.saveDocument(currentDocument);
100            }
101        }
102        return currentDocument;
103    }
104
105}