001/*
002 * (C) Copyright 2018 Nuxeo (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 *     pierre
018 */
019package org.nuxeo.ecm.platform.csv.export.action;
020
021import static org.nuxeo.ecm.core.bulk.BulkServiceImpl.PRODUCE_IMMEDIATE_OPTION;
022import static org.nuxeo.ecm.core.bulk.BulkServiceImpl.STATUS_STREAM;
023import static org.nuxeo.lib.stream.computation.AbstractComputation.INPUT_1;
024import static org.nuxeo.lib.stream.computation.AbstractComputation.OUTPUT_1;
025import static org.nuxeo.lib.stream.computation.AbstractComputation.OUTPUT_2;
026import static org.nuxeo.lib.stream.computation.AbstractComputation.OUTPUT_3;
027
028import java.util.Arrays;
029import java.util.Map;
030
031import org.nuxeo.ecm.core.bulk.action.computation.ExposeBlob;
032import org.nuxeo.ecm.core.bulk.action.computation.MakeBlob;
033import org.nuxeo.ecm.core.bulk.action.computation.SortBlob;
034import org.nuxeo.ecm.core.bulk.action.computation.ZipBlob;
035import org.nuxeo.ecm.platform.csv.export.computation.CSVProjectionComputation;
036import org.nuxeo.lib.stream.computation.Topology;
037import org.nuxeo.runtime.stream.StreamProcessorTopology;
038
039/**
040 * @since 10.3
041 */
042public class CSVExportAction implements StreamProcessorTopology {
043
044    public static final String ACTION_NAME = "csvExport";
045
046    // @since 11.1
047    public static final String ACTION_FULL_NAME = "bulk/" + ACTION_NAME;
048
049    @Override
050    public Topology getTopology(Map<String, String> options) {
051        boolean produceImmediate = getOptionAsBoolean(options, PRODUCE_IMMEDIATE_OPTION, false);
052        return Topology.builder()
053                       .addComputation(CSVProjectionComputation::new, //
054                               Arrays.asList(INPUT_1 + ":" + ACTION_FULL_NAME, //
055                                       OUTPUT_1 + ":" + MakeBlob.NAME))
056                       .addComputation(() -> new MakeBlob(produceImmediate), //
057                               Arrays.asList(INPUT_1 + ":" + MakeBlob.NAME, //
058                                       OUTPUT_1 + ":" + SortBlob.NAME, //
059                                       OUTPUT_2 + ":" + ZipBlob.NAME, //
060                                       OUTPUT_3 + ":" + ExposeBlob.NAME))
061                       .addComputation(SortBlob::new, //
062                               Arrays.asList(INPUT_1 + ":" + SortBlob.NAME, //
063                                       OUTPUT_1 + ":" + ZipBlob.NAME, //
064                                       OUTPUT_2 + ":" + ExposeBlob.NAME))
065                       .addComputation(ZipBlob::new, //
066                               Arrays.asList(INPUT_1 + ":" + ZipBlob.NAME, //
067                                       OUTPUT_1 + ":" + ExposeBlob.NAME))
068                       .addComputation(ExposeBlob::new, //
069                               Arrays.asList(INPUT_1 + ":" + ExposeBlob.NAME, //
070                                       OUTPUT_1 + ":" + STATUS_STREAM))
071                       .build();
072    }
073
074    public static boolean getOptionAsBoolean(Map<String, String> options, String option, boolean defaultValue) {
075        String value = options.get(option);
076        return value == null ? defaultValue : Boolean.valueOf(value);
077    }
078
079}