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FileSystemPersistService.java
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FileSystemPersistService.java
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/*
* 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());
}
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);
HRawDocument rawDocument = doc.getRawDocument();
return rawDocument != null
&& getFileForRawDocument(rawDocument).exists();
}
private File getFileForRawDocument(HRawDocument rawDocument)
{
return getFileForName(rawDocument.getFileId());
}
}