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/**
* Copyright (c) 2004 - 2009 Eike Stepper (Berlin, Germany) 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.util.security;
import org.eclipse.net4j.util.io.IORuntimeException;
import org.eclipse.net4j.util.io.IOUtil;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.MessageFormat;
import java.util.Map;
import java.util.Properties;
import java.util.Map.Entry;
/**
* @author Eike Stepper
*/
public class FileUserManager extends UserManager
{
protected String fileName;
public FileUserManager()
{
}
public String getFileName()
{
return fileName;
}
public void setFileName(String fileName)
{
this.fileName = fileName;
}
@Override
protected void doBeforeActivate() throws Exception
{
super.doBeforeActivate();
if (fileName == null)
{
throw new IllegalStateException("fileName == null"); //$NON-NLS-1$
}
File file = new File(fileName);
if (file.exists() && !file.isFile())
{
throw new IllegalStateException("Not a file: " + fileName); //$NON-NLS-1$
}
}
@Override
protected void load(Map<String, char[]> users) throws IORuntimeException
{
File file = new File(fileName);
if (!file.exists())
{
return;
}
FileInputStream stream = IOUtil.openInputStream(new File(fileName));
try
{
load(users, stream);
}
catch (IOException ex)
{
throw new IORuntimeException(ex);
}
finally
{
IOUtil.closeSilent(stream);
}
}
protected void load(Map<String, char[]> users, InputStream stream) throws IOException
{
Properties properties = new Properties();
properties.load(stream);
for (Entry<Object, Object> entry : properties.entrySet())
{
String userID = (String)entry.getKey();
char[] password = ((String)entry.getValue()).toCharArray();
users.put(userID, password);
}
}
@Override
protected void save(Map<String, char[]> users) throws IORuntimeException
{
File file = new File(fileName);
if (!file.exists())
{
return;
}
FileOutputStream stream = IOUtil.openOutputStream(new File(fileName));
try
{
save(users, stream);
}
catch (IOException ex)
{
throw new IORuntimeException(ex);
}
finally
{
IOUtil.closeSilent(stream);
}
}
protected void save(Map<String, char[]> users, FileOutputStream stream) throws IOException
{
Properties properties = new Properties();
for (Entry<String, char[]> entry : users.entrySet())
{
properties.put(entry.getKey(), new String(entry.getValue()));
}
String comment = MessageFormat.format("User database {0,date} {0,time,HH:mm:ss:SSS}", System.currentTimeMillis());
properties.store(stream, comment);
}
}
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