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.core.api.blobholder;
022
023import java.io.Serializable;
024import java.util.ArrayList;
025import java.util.Arrays;
026import java.util.Calendar;
027import java.util.List;
028import java.util.Map;
029
030import org.nuxeo.ecm.core.api.Blob;
031
032/**
033 * {@link BlobHolder} implementation that simply wraps a detached {@link Blob}.
034 *
035 * @author tiry
036 */
037public class SimpleBlobHolder extends AbstractBlobHolder {
038
039    protected List<Blob> blobs;
040
041    protected Calendar creationDate;
042
043    public SimpleBlobHolder() {
044        // Empty constructor
045    }
046
047    public SimpleBlobHolder(List<Blob> blobs) {
048        init(blobs);
049    }
050
051    public SimpleBlobHolder(Blob blob) {
052        blobs = new ArrayList<>();
053        blobs.add(blob);
054        init(blobs);
055    }
056
057    protected void init(List<Blob> blobs) {
058        this.blobs = blobs;
059        creationDate = Calendar.getInstance();
060    }
061
062    @Override
063    public void setBlob(Blob blob) {
064        init(new ArrayList<>(Arrays.asList(blob)));
065    }
066
067    @Override
068    public Blob getBlob() {
069        if (blobs == null || blobs.size() == 0) {
070            return null;
071        } else {
072            return blobs.get(0);
073        }
074    }
075
076    @Override
077    public List<Blob> getBlobs() {
078        return blobs;
079    }
080
081    @Override
082    protected String getBasePath() {
083        return "";
084    }
085
086    @Override
087    public Calendar getModificationDate() {
088        return creationDate;
089    }
090
091    @Override
092    public Serializable getProperty(String name) {
093        return null;
094    }
095
096    @Override
097    public Map<String, Serializable> getProperties() {
098        return null;
099    }
100
101}