/*
* Copyright (C) 2009 eXo Platform SAS.
*
* 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.exoplatform.services.jcr.impl.storage.value.fs;
import org.exoplatform.services.jcr.config.RepositoryConfigurationException;
import org.exoplatform.services.jcr.impl.storage.value.ValueDataResourceHolder;
import org.exoplatform.services.jcr.impl.util.io.FileCleaner;
import org.exoplatform.services.jcr.storage.WorkspaceStorageConnection;
import org.exoplatform.services.jcr.storage.value.ValueStoragePlugin;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import java.io.File;
import java.io.IOException;
import java.util.Properties;
/**
* Created by The eXo Platform SAS.
*
* @author Gennady Azarenkov
* @version $Id: FileValueStorage.java 34801 2009-07-31 15:44:50Z dkatayev $
*/
public abstract class FileValueStorage extends ValueStoragePlugin
{
private Log log = ExoLogger.getLogger("exo.jcr.component.core.FileValueStorage");
public final static String PATH = "path";
/**
* Temporarory directopry name under stoprage root dir.
*/
public static final String TEMP_DIR_NAME = "temp";
protected File rootDir;
protected FileCleaner cleaner;
protected ValueDataResourceHolder resources;
/**
* FileValueStorage constructor.
*
*/
public FileValueStorage()
{
this.cleaner = new FileCleaner(); // TODO use container cleaner
}
/**
* {@inheritDoc}
*/
public void init(Properties props, ValueDataResourceHolder resources) throws IOException,
RepositoryConfigurationException
{
this.resources = resources;
prepareRootDir(props.getProperty(PATH));
}
/**
* {@inheritDoc}
*/
public void checkConsistency(WorkspaceStorageConnection dataConnection)
{
}
/**
* {@inheritDoc}
*/
@Override
public boolean isSame(String storageId)
{
return getId().equals(storageId);
}
/**
* Prepare RootDir.
*
* @param rootDirPath
* path
* @throws IOException
* if error
* @throws RepositoryConfigurationException
* if confog error
*/
protected void prepareRootDir(String rootDirPath) throws IOException, RepositoryConfigurationException
{
this.rootDir = new File(rootDirPath);
if (!rootDir.exists())
{
if (rootDir.mkdirs())
{
log.info("Directory created: " + rootDir.getAbsolutePath());
// create internal temp dir
File tempDir = new File(rootDir, TEMP_DIR_NAME);
tempDir.mkdirs();
if (tempDir.exists() && tempDir.isDirectory())
{
// care about storage temp dir cleanup
for (File tmpf : tempDir.listFiles())
if (!tmpf.delete())
log.warn("Storage temporary directory contains un-deletable file " + tmpf.getAbsolutePath()
+ ". It's recommended to leave this directory for JCR External Values Storage private use.");
}
else
throw new RepositoryConfigurationException("Cannot create " + TEMP_DIR_NAME
+ " directory under External Value Storage.");
}
else
{
log.warn("Directory IS NOT created: " + rootDir.getAbsolutePath());
}
}
else
{
if (!rootDir.isDirectory())
{
throw new RepositoryConfigurationException("File exists but is not a directory " + rootDirPath);
}
}
}
}