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.server.jaxrs.batch;
022
023import org.nuxeo.ecm.automation.core.util.JSONBlobDecoder;
024import org.nuxeo.ecm.core.api.Blob;
025import org.nuxeo.ecm.webengine.jaxrs.context.RequestContext;
026import org.nuxeo.runtime.api.Framework;
027
028import com.fasterxml.jackson.databind.node.ObjectNode;
029
030/**
031 * Uses a JSON definition to retrieve a Blob uploaded in a batch.
032 * <p>
033 * Format is:
034 *
035 * <pre>
036 * {
037 *     "upload-batch": "BATCH_ID", <-- the batch id
038 *     "upload-fileId": "FILE_ID" <-- the file id
039 * }
040 * </pre>
041 *
042 * @author Tiry ([email protected])
043 */
044public class JSONBatchBlobDecoder implements JSONBlobDecoder {
045
046    @Override
047    public Blob getBlobFromJSON(ObjectNode jsonObject) {
048
049        Blob blob = null;
050
051        if (!jsonObject.has("upload-batch")) {
052            return null;
053        }
054
055        final String batchId = jsonObject.get("upload-batch").textValue();
056        String fileId = null;
057        if (jsonObject.has("upload-fileId")) {
058            fileId = jsonObject.get("upload-fileId").textValue();
059        }
060        if (fileId != null) {
061            BatchManager bm = Framework.getService(BatchManager.class);
062            Batch batch = bm.getBatch(batchId);
063            if (batch == null) {
064                return null;
065            }
066            blob = batch.getBlob(fileId);
067
068            if (RequestContext.getActiveContext() != null) {
069                final boolean drop = !Boolean.parseBoolean(
070                        RequestContext.getActiveContext().getRequest().getHeader(BatchManagerConstants.NO_DROP_FLAG));
071                if (drop) {
072                    RequestContext.getActiveContext().addRequestCleanupHandler(request -> {
073                        BatchManager bm1 = Framework.getService(BatchManager.class);
074                        bm1.clean(batchId);
075                    });
076                }
077            }
078        }
079        return blob;
080    }
081
082}