/*
* 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:
* bstefanescu
*
* $Id: DocumentModelWriter.java 30413 2008-02-21 18:38:54Z sfermigier $
*/
package org.eclipse.ecr.core.io.impl.plugins;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.ecr.core.api.ClientException;
import org.eclipse.ecr.core.api.CoreSession;
import org.eclipse.ecr.core.api.DocumentLocation;
import org.eclipse.ecr.core.api.DocumentModel;
import org.eclipse.ecr.core.api.PathRef;
import org.eclipse.ecr.core.io.DocumentTranslationMap;
import org.eclipse.ecr.core.io.ExportedDocument;
import org.eclipse.ecr.core.io.impl.AbstractDocumentModelWriter;
import org.eclipse.ecr.core.io.impl.DocumentTranslationMapImpl;
import org.nuxeo.common.utils.Path;
/**
* A writer which is creating new docs or updating existing docs.
*
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*/
// TODO: improve it ->
// modify core session to add a batch create method and use it
public class DocumentModelWriter extends AbstractDocumentModelWriter {
private static final Log log = LogFactory.getLog(DocumentModelWriter.class);
/**
* @param session the session to the repository where to write
* @param parentPath where to write the tree. this document will be used as
* the parent of all top level documents passed as input. Note
* that you may have
*/
public DocumentModelWriter(CoreSession session, String parentPath) {
super(session, parentPath);
}
public DocumentModelWriter(CoreSession session, String parentPath,
int saveInterval) {
super(session, parentPath, saveInterval);
}
@Override
public DocumentTranslationMap write(ExportedDocument xdoc) throws IOException {
if (xdoc.getDocument() == null) {
// not a valid doc -> this may be a regular folder for example the
// root of the tree
return null;
}
Path path = xdoc.getPath();
// if (path.isEmpty() || path.isRoot()) {
// return; // TODO avoid to import the root
// }
path = root.append(path); // compute target path
try {
return doWrite(xdoc, path);
} catch (ClientException e) {
IOException ioe = new IOException(
"Failed to import document in repository: "
+ e.getMessage());
ioe.setStackTrace(e.getStackTrace());
log.error(e, e);
return null;
}
}
private DocumentTranslationMap doWrite(ExportedDocument xdoc,
Path targetPath) throws ClientException {
DocumentModel previousDoc = null;
/*NXP-1688 Rux: if the document doesn't exist, the thrown ClientException is
* wrapped. Instead, an explicit query about the existence should do the job.
*/
PathRef pathRef = new PathRef(targetPath.toString());
try {
if (session.exists(pathRef)) {
previousDoc = session.getDocument(pathRef);
}
} catch (ClientException ce) {
//don't care, document considered inexistent
previousDoc = null;
}
DocumentModel doc;
if (previousDoc == null) {
doc = createDocument(xdoc, targetPath);
} else {
doc = updateDocument(xdoc, previousDoc);
}
DocumentLocation source = xdoc.getSourceLocation();
DocumentTranslationMap map = new DocumentTranslationMapImpl(
source.getServerName(), doc.getRepositoryName());
map.put(source.getDocRef(), doc.getRef());
return map;
}
}