/*
* Copyright 2013, Red Hat, Inc. and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.zanata.file;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import lombok.extern.slf4j.Slf4j;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.AutoCreate;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.zanata.ApplicationConfiguration;
import org.zanata.dao.DocumentDAO;
import org.zanata.model.HDocument;
import org.zanata.model.HProject;
import org.zanata.model.HProjectIteration;
import org.zanata.model.HRawDocument;
import org.zanata.rest.service.VirusScanner;
import com.google.common.io.Files;
@Name("filePersistService")
@Scope(ScopeType.STATELESS)
@AutoCreate
@Slf4j
public class FileSystemPersistService implements FilePersistService {
private static final String RAW_DOCUMENTS_SUBDIRECTORY = "documents";
@In("applicationConfiguration")
private ApplicationConfiguration appConfig;
@In
private DocumentDAO documentDAO;
@In
private VirusScanner virusScanner;
@Override
public void persistRawDocumentContentFromFile(HRawDocument rawDocument,
File fromFile) {
String fileName = generateFileNameFor(rawDocument);
rawDocument.setFileId(fileName);
File newFile = getFileForName(fileName);
try {
Files.copy(fromFile, newFile);
} catch (IOException e) {
// FIXME damason: throw something more specific and handle at call
// sites
throw new RuntimeException(e);
}
GlobalDocumentId globalId = getGlobalId(rawDocument);
log.info("Persisted raw document {} to file {}", globalId,
newFile.getAbsolutePath());
virusScanner.scan(newFile, globalId.toString());
}
@Override
public void copyAndPersistRawDocument(HRawDocument fromDoc,
HRawDocument toDoc) {
persistRawDocumentContentFromFile(toDoc, getFileForRawDocument(fromDoc));
}
private File getFileForName(String fileName) {
File docsPath = ensureDocsDirectory();
File newFile = new File(docsPath, fileName);
return newFile;
}
private File ensureDocsDirectory() {
String basePathStringOrNull =
appConfig.getDocumentFileStorageLocation();
if (basePathStringOrNull == null) {
throw new RuntimeException(
"Document storage location is not configured in JNDI.");
}
File docsDirectory =
new File(basePathStringOrNull, RAW_DOCUMENTS_SUBDIRECTORY);
docsDirectory.mkdirs();
return docsDirectory;
}
private static String generateFileNameFor(HRawDocument rawDocument) {
// Could change to use id of rawDocument, and throw if rawDocument has
// no id yet.
String idAsString = rawDocument.getDocument().getId().toString();
String extension = rawDocument.getType().getExtension();
return idAsString + "." + extension;
}
// TODO damason: put this in a more appropriate location
private static GlobalDocumentId getGlobalId(HRawDocument rawDocument) {
HDocument document = rawDocument.getDocument();
HProjectIteration version = document.getProjectIteration();
HProject project = version.getProject();
GlobalDocumentId id =
new GlobalDocumentId(project.getSlug(), version.getSlug(),
document.getDocId());
return id;
}
@Override
public InputStream getRawDocumentContentAsStream(HRawDocument document)
throws RawDocumentContentAccessException {
File rawFile = getFileForRawDocument(document);
try {
return new FileInputStream(rawFile);
} catch (FileNotFoundException e) {
// FIXME damason: throw more specific exception and handle at call
// sites
throw new RuntimeException(e);
}
}
@Override
public boolean hasPersistedDocument(GlobalDocumentId id) {
HDocument doc = documentDAO.getByGlobalId(id);
if (doc != null) {
HRawDocument rawDocument = doc.getRawDocument();
return rawDocument != null
&& getFileForRawDocument(rawDocument).exists();
}
return false;
}
private File getFileForRawDocument(HRawDocument rawDocument) {
return getFileForName(rawDocument.getFileId());
}
}