001/*
002 * (C) Copyright 2006-2007 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 * $Id$
020 */
021package org.nuxeo.ecm.platform.scanimporter.processor;
022
023import java.io.File;
024import java.io.FileFilter;
025import java.io.IOException;
026import java.io.Serializable;
027import java.util.ArrayList;
028import java.util.List;
029import java.util.Map;
030
031import org.apache.commons.logging.Log;
032import org.apache.commons.logging.LogFactory;
033import org.nuxeo.ecm.core.api.Blob;
034import org.nuxeo.ecm.core.api.Blobs;
035import org.nuxeo.ecm.core.api.blobholder.BlobHolder;
036import org.nuxeo.ecm.core.api.blobholder.SimpleBlobHolder;
037import org.nuxeo.ecm.core.api.impl.blob.FileBlob;
038import org.nuxeo.ecm.platform.importer.source.FileSourceNode;
039import org.nuxeo.ecm.platform.importer.source.SourceNode;
040import org.nuxeo.ecm.platform.scanimporter.service.ScanFileBlobHolder;
041import org.nuxeo.ecm.platform.scanimporter.service.ScannedFileMapperService;
042import org.nuxeo.runtime.api.Framework;
043
044/**
045 * Custom implementation of {@link SourceNode}. Uses XML descriptors to get meta-data and binary files location.
046 *
047 * @author Thierry Delprat
048 */
049public class ScanedFileSourceNode extends FileSourceNode {
050
051    private static final Log log = LogFactory.getLog(ScanedFileSourceNode.class);
052
053    protected Map<String, Serializable> properties;
054
055    protected ScanFileBlobHolder bh;
056
057    public static boolean useXMLMapping = true;
058
059    public ScanedFileSourceNode(File file) {
060        super(file);
061    }
062
063    public ScanedFileSourceNode(File file, ScanFileBlobHolder bh) {
064        super(file);
065        this.bh = bh;
066    }
067
068    public ScanedFileSourceNode(File file, Map<String, Serializable> properties) {
069        super(file);
070        this.properties = properties;
071    }
072
073    @Override
074    public BlobHolder getBlobHolder() throws IOException {
075        if (bh == null) {
076            return new SimpleBlobHolder(Blobs.createBlob(file));
077        } else {
078            return bh;
079        }
080    }
081
082    @Override
083    public List<SourceNode> getChildren() throws IOException {
084        List<SourceNode> children = new ArrayList<SourceNode>();
085
086        ScannedFileMapperService sfms = Framework.getLocalService(ScannedFileMapperService.class);
087        for (File child : file.listFiles()) {
088            if (child.getName().endsWith(".xml") && useXMLMapping) {
089                try {
090
091                    ScanFileBlobHolder bh = sfms.parseMetaData(child);
092
093                    if (bh != null) {
094                        children.add(new ScanedFileSourceNode(child, bh));
095                    } else {
096                        log.error(child.getAbsolutePath() + " can not be parsed ");
097                    }
098                } catch (IOException e) {
099                    log.error("Error during properties parsing", e);
100                }
101            } else if (child.isDirectory()) {
102                if (child.listFiles(new DirectoryFilter()).length > 0) {
103                    children.add(new ScanedFileSourceNode(child));
104                } else {
105                    if (useXMLMapping) {
106                        if (child.list(new XmlMetaDataFileFilter()).length > 0) {
107                            children.add(new ScanedFileSourceNode(child));
108                        }
109                    } else {
110                        if (child.list().length > 0) {
111                            children.add(new ScanedFileSourceNode(child));
112                        }
113                    }
114                }
115            } else if (!useXMLMapping) {
116                ScanFileBlobHolder bh = new ScanFileBlobHolder(Blobs.createBlob(child), sfms.getTargetLeafType());
117                children.add(new ScanedFileSourceNode(child, bh));
118            }
119        }
120        return children;
121    }
122
123    @Override
124    public String getName() {
125        if (bh != null) {
126            Blob blob = bh.getBlob();
127            if (blob != null && blob.getFilename() != null) {
128                return blob.getFilename();
129            }
130        }
131        return file.getName();
132    }
133
134    public String getDescriptorFileName() {
135        return file.getAbsolutePath();
136    }
137
138    private class DirectoryFilter implements FileFilter {
139
140        @Override
141        public boolean accept(File file) {
142            return file.isDirectory();
143        }
144
145    }
146}