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A pure-java CIFS/SMB client library
/*
* © 2016 AgNO3 Gmbh & Co. KG
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package jcifs.context;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Credentials;
import jcifs.smb.NtlmPasswordAuthenticator;
/**
* @author mbechler
*
*/
public abstract class AbstractCIFSContext extends Thread implements CIFSContext {
private static final Logger log = LoggerFactory.getLogger(AbstractCIFSContext.class);
private boolean closed;
/**
*
*/
public AbstractCIFSContext () {
Runtime.getRuntime().addShutdownHook(this);
}
/**
* @param creds
* @return a wrapped context with the given credentials
*/
@Override
public CIFSContext withCredentials ( Credentials creds ) {
return new CIFSContextCredentialWrapper(this, creds);
}
/**
*
* {@inheritDoc}
*
* @see jcifs.CIFSContext#withAnonymousCredentials()
*/
@Override
public CIFSContext withAnonymousCredentials () {
return withCredentials(new NtlmPasswordAuthenticator());
}
/**
* {@inheritDoc}
*
* @see jcifs.CIFSContext#withDefaultCredentials()
*/
@Override
public CIFSContext withDefaultCredentials () {
return withCredentials(getDefaultCredentials());
}
/**
* {@inheritDoc}
*
* @see jcifs.CIFSContext#withGuestCrendentials()
*/
@Override
public CIFSContext withGuestCrendentials () {
return withCredentials(new NtlmPasswordAuthenticator(null, "GUEST", ""));
}
/**
* {@inheritDoc}
*
* @see jcifs.CIFSContext#getCredentials()
*/
@Override
public Credentials getCredentials () {
return getDefaultCredentials();
}
/**
* {@inheritDoc}
*
* @see jcifs.CIFSContext#hasDefaultCredentials()
*/
@Override
public boolean hasDefaultCredentials () {
return this.getDefaultCredentials() != null && !this.getDefaultCredentials().isAnonymous();
}
/**
* @return
*/
protected abstract Credentials getDefaultCredentials ();
/**
* {@inheritDoc}
*
* @see jcifs.CIFSContext#renewCredentials(java.lang.String, java.lang.Throwable)
*/
@Override
public boolean renewCredentials ( String locationHint, Throwable error ) {
return false;
}
/**
* {@inheritDoc}
*
*
* @see jcifs.CIFSContext#close()
*/
@Override
public boolean close () throws CIFSException {
if ( !this.closed ) {
Runtime.getRuntime().removeShutdownHook(this);
}
return false;
}
/**
* {@inheritDoc}
*
* @see java.lang.Thread#run()
*/
@Override
public void run () {
try {
this.closed = true;
close();
}
catch ( CIFSException e ) {
log.warn("Failed to close context on shutdown", e);
}
}
}
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