/*
* (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Contributors:
* btatar
*
* $Id: XMLDirectoryReader.java 29029 2008-01-14 18:38:14Z ldoguin $
*/
package org.nuxeo.ecm.core.io.impl.plugins;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileFilter;
import java.io.FileInputStream;
import java.io.IOException;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.io.SAXReader;
import org.nuxeo.common.utils.FileTreeIterator;
import org.nuxeo.common.utils.FileUtils;
import org.nuxeo.common.utils.Path;
import org.nuxeo.ecm.core.api.Blobs;
import org.nuxeo.ecm.core.io.ExportConstants;
import org.nuxeo.ecm.core.io.ExportedDocument;
import org.nuxeo.ecm.core.io.impl.AbstractDocumentReader;
import org.nuxeo.ecm.core.io.impl.ExportedDocumentImpl;
/**
* @author bs@nuxeo.com
*/
public class XMLDirectoryReader extends AbstractDocumentReader {
private File source;
private FileTreeIterator iterator;
public XMLDirectoryReader(String sourcePath) {
this(new File(sourcePath));
}
public XMLDirectoryReader(File source) {
this.source = source;
iterator = new FileTreeIterator(source);
iterator.setFilter(new FileFilter() {
@Override
public boolean accept(File pathname) {
return pathname.isDirectory();
}
});
}
public Object getSource() {
return source;
}
public void setSource(File source) {
this.source = source;
}
@Override
public void close() {
source = null;
iterator = null;
}
@Override
public ExportedDocument read() throws IOException {
if (iterator.hasNext()) {
File dir = iterator.next();
if (dir == null) {
return null;
}
// read document files
ExportedDocument xdoc = new ExportedDocumentImpl();
for (File file : dir.listFiles()) {
if (file.isFile()) {
String name = file.getName();
if (ExportConstants.DOCUMENT_FILE.equals(name)) {
Document doc = loadXML(file);
xdoc.setDocument(doc);
/*
* NXP-1688 Rux: the path was somehow left over when migrated from core 1.3.4 to 1.4.0. Pull
* back.
*/
xdoc.setPath(computeRelativePath(dir));
} else if (name.endsWith(".xml")) {
xdoc.putDocument(FileUtils.getFileNameNoExt(file.getName()), loadXML(file));
} else { // presume a blob
xdoc.putBlob(file.getName(), Blobs.createBlob(file));
}
}
}
return xdoc;
}
return null;
}
/*
* NXP-1688 Rux: the path was somehow left over when migrated from core 1.3.4 to 1.4.0. Pull back.
*/
private Path computeRelativePath(File file) {
/* NXP-2507 Rux: preserve directory structure with slashes instead OS name separator */
String subPathS = file.getAbsolutePath().substring(source.getAbsolutePath().length());
subPathS = subPathS.replace(File.separatorChar, '/');
return new Path(subPathS);
}
private static Document loadXML(File file) throws IOException {
BufferedInputStream in = null;
try {
in = new BufferedInputStream(new FileInputStream(file));
return new SAXReader().read(in);
} catch (DocumentException e) {
IOException ioe = new IOException("Failed to read file document " + file + ": " + e.getMessage());
ioe.setStackTrace(e.getStackTrace());
throw ioe;
} finally {
if (in != null) {
in.close();
}
}
}
}