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