/*
* Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* btatar
*
* $Id: XMLDirectoryReader.java 29029 2008-01-14 18:38:14Z ldoguin $
*/
package org.eclipse.ecr.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.eclipse.ecr.core.api.impl.blob.StreamingBlob;
import org.eclipse.ecr.core.io.ExportConstants;
import org.eclipse.ecr.core.io.ExportedDocument;
import org.eclipse.ecr.core.io.impl.AbstractDocumentReader;
import org.eclipse.ecr.core.io.impl.ExportedDocumentImpl;
import org.eclipse.ecr.runtime.services.streaming.FileSource;
import org.nuxeo.common.utils.FileTreeIterator;
import org.nuxeo.common.utils.FileUtils;
import org.nuxeo.common.utils.Path;
/**
*
* @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(), new StreamingBlob(
new FileSource(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();
}
}
}
}