/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, Red Hat Middleware LLC, 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.jboss.system.server.profileservice.repository.clustered.local.file;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import org.jboss.logging.Logger;
import org.jboss.system.server.profileservice.repository.clustered.metadata.RepositoryItemMetadata;
/**
* Utility methods related to filesystem operations.
*
* @author Brian Stansberry
*
* @version $Revision: $
*/
public class FileUtil
{
private static final Logger log = Logger.getLogger(FileUtil.class);
public static void localMove(File source, File destination, long modifiedTime) throws IOException
{
// if we can simply rename the file, all the better
if(!source.renameTo(destination))
{
// otherwise, copy source to destination
OutputStream out = new FileOutputStream(destination);
InputStream in = new FileInputStream(source);
byte buffer[] = new byte[32*1024];
int bytesRead = 0;
while(bytesRead > -1) // until we hit end of source file
{
bytesRead = in.read(buffer);
if(bytesRead > 0)
{
out.write(buffer,0, bytesRead);
}
}
in.close();
out.close();
}
destination.setLastModified(modifiedTime);
}
public static File getFileForItem(URI rootURI, RepositoryItemMetadata item)
{
File f = new File(rootURI);
for (String element : item.getRelativePathElements())
{
f = new File(f, element);
}
return f;
}
public static File createTempFile(String tmpDirName, String partitionName) throws IOException
{
if (tmpDirName == null)
{
return File.createTempFile(partitionName, "tmp");
}
else
{
return createTempFile(createTempDir(tmpDirName), partitionName);
}
}
public static File createTempFile(File tmpDir, String partitionName) throws IOException
{
if (tmpDir.exists() == false)
{
tmpDir.mkdirs();
}
return File.createTempFile(partitionName, "tmp", tmpDir);
}
public static File createTempDir(String tmpDirName) throws IOException
{
File dir = new File(tmpDirName);
if (! dir.exists())
{
dir.mkdirs();
}
else if (! dir.isDirectory())
{
throw new IllegalStateException(dir + " already exists and is not a directory");
}
return dir;
}
public static void safeCloseStream(OutputStream os, Object id)
{
try
{
os.close();
}
catch (IOException e)
{
log.trace("Failed to close temporary output stream for " + id, e);
}
}
/**
* Prevent instantiation.
*/
private FileUtil()
{
}
}