/*
* File : ShareResourceImpl.java
* Created : 31-Dec-2003
* By : parg
*
* Azureus - a Java Bittorrent client
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* This program 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 General Public License for more details ( see the LICENSE file ).
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.gudy.azureus2.pluginsimpl.local.sharing;
/**
* @author parg
*
*/
import java.util.*;
import java.io.*;
import org.gudy.azureus2.plugins.sharing.*;
import org.gudy.azureus2.plugins.torrent.TorrentAttribute;
import org.gudy.azureus2.pluginsimpl.local.torrent.TorrentManagerImpl;
import org.gudy.azureus2.core3.util.*;
import org.gudy.azureus2.core3.internat.*;
public abstract class
ShareResourceImpl
implements ShareResource
{
protected static BrokenMd5Hasher hasher = new BrokenMd5Hasher();
protected ShareManagerImpl manager;
protected int type;
protected ShareResourceDirContents parent;
protected Map attributes = new HashMap();
protected List change_listeners = new ArrayList();
protected List deletion_listeners = new ArrayList();
// new constructor
protected
ShareResourceImpl(
ShareManagerImpl _manager,
int _type )
{
manager = _manager;
type = _type;
}
// deserialised constructor
protected
ShareResourceImpl(
ShareManagerImpl _manager,
int _type,
Map _map )
{
manager = _manager;
type = _type;
Map attrs = (Map)_map.get( "attributes" );
if ( attrs != null ){
Iterator keys = attrs.keySet().iterator();
while( keys.hasNext()){
String key = (String)keys.next();
try{
String value = new String((byte[])attrs.get(key), Constants.DEFAULT_ENCODING );
TorrentAttribute ta = TorrentManagerImpl.getSingleton().getAttribute( key );
if ( ta == null ){
Debug.out( "Invalid attribute '" + key );
}else{
attributes.put( ta, value );
}
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}
}
protected void
serialiseResource(
Map map )
{
Iterator it = attributes.keySet().iterator();
Map attrs = new HashMap();
map.put( "attributes", attrs );
while( it.hasNext()){
TorrentAttribute ta = (TorrentAttribute)it.next();
String value = (String)attributes.get(ta);
try{
if ( value != null ){
attrs.put( ta.getName(), value.getBytes( Constants.DEFAULT_ENCODING ));
}
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}
public ShareResourceDirContents
getParent()
{
return( parent );
}
protected void
setParent(
ShareResourceDirContents _parent )
{
parent = _parent;
}
public ShareResource[]
getChildren()
{
return( new ShareResource[0] );
}
public int
getType()
{
return( type );
}
public void
setAttribute(
final TorrentAttribute attribute,
String value )
{
ShareConfigImpl config = manager.getShareConfig();
try{
config.suspendSaving();
ShareResource[] kids = getChildren();
for (int i=0;i<kids.length;i++){
kids[i].setAttribute( attribute, value );
}
String old_value = (String)attributes.get( attribute );
if( old_value == null && value == null ){
return;
}
if ( old_value != null && value != null && old_value.equals( value )){
return;
}
attributes.put( attribute, value );
try{
config.saveConfig();
}catch( ShareException e ){
Debug.printStackTrace( e );
}
}finally{
try{
config.resumeSaving();
}catch( ShareException e ){
Debug.printStackTrace( e );
}
}
for (int i=0;i<change_listeners.size();i++){
try{
((ShareResourceListener)change_listeners.get(i)).shareResourceChanged(
this,
new ShareResourceEvent()
{
public int
getType()
{
return( ShareResourceEvent.ET_ATTRIBUTE_CHANGED);
}
public Object
getData()
{
return( attribute );
}
});
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}
public String
getAttribute(
TorrentAttribute attribute )
{
return((String)attributes.get( attribute ));
}
public TorrentAttribute[]
getAttributes()
{
TorrentAttribute[] res = new TorrentAttribute[attributes.size()];
attributes.keySet().toArray( res );
return( res );
}
protected void
inheritAttributes(
ShareResourceImpl source )
{
TorrentAttribute[] attrs = source.getAttributes();
for ( int i=0;i<attrs.length;i++ ){
setAttribute( attrs[i], source.getAttribute( attrs[i] ));
}
}
public void
delete()
throws ShareException, ShareResourceDeletionVetoException
{
if ( getParent() != null ){
throw( new ShareResourceDeletionVetoException( MessageText.getString("plugin.sharing.remove.veto")));
}
delete( false );
}
protected void
delete(
boolean force )
throws ShareException, ShareResourceDeletionVetoException
{
if ( !force ){
canBeDeleted();
}
manager.delete(this);
}
public abstract boolean
canBeDeleted()
throws ShareResourceDeletionVetoException;
protected abstract void
deleteInternal();
protected byte[]
getFingerPrint(
File file )
throws ShareException
{
try{
StringBuffer buffer = new StringBuffer();
getFingerPrintSupport( buffer, file, TorrentUtils.getIgnoreSet());
return( hasher.calculateHash(buffer.toString().getBytes()));
}catch( ShareException e ){
throw( e );
}catch( Throwable e ){
throw( new ShareException( "ShareResource::getFingerPrint: fails", e ));
}
}
protected void
getFingerPrintSupport(
StringBuffer buffer,
File file,
Set ignore_set )
throws ShareException
{
try{
if ( file.isFile()){
long mod = file.lastModified();
long size = file.length();
String file_name = file.getName();
if ( ignore_set.contains( file_name.toLowerCase())){
}else{
buffer.append( file_name ).append( ":" ).append( mod ).append( ":" ).append( size );
}
}else if ( file.isDirectory()){
File[] dir_file_list = file.listFiles();
List file_list = new ArrayList(Arrays.asList(dir_file_list));
Collections.sort(file_list);
for (int i=0;i<file_list.size();i++){
File f = (File)file_list.get(i);
String file_name = f.getName();
if ( !(file_name.equals( "." ) || file_name.equals( ".." ))){
StringBuffer sub_print = new StringBuffer();
getFingerPrintSupport( sub_print, f, ignore_set );
if ( sub_print.length() > 0 ){
buffer.append( ":" ).append( sub_print );
}
}
}
}else{
throw( new ShareException( "ShareResource::getFingetPrint: '" + file.toString() + "' doesn't exist" ));
}
}catch( Throwable e ){
if ( e instanceof ShareException ){
throw((ShareException)e);
}
Debug.printStackTrace( e );
throw( new ShareException( "ShareResource::getFingerPrint: fails", e ));
}
}
protected String
getNewTorrentLocation()
throws ShareException
{
return( manager.getNewTorrentLocation());
}
protected void
writeTorrent(
ShareItemImpl item )
throws ShareException
{
manager.writeTorrent( item );
}
protected void
readTorrent(
ShareItemImpl item )
throws ShareException
{
manager.readTorrent( item );
}
protected void
deleteTorrent(
ShareItemImpl item )
{
manager.deleteTorrent( item );
}
public File
getTorrentFile(
ShareItemImpl item )
{
return( manager.getTorrentFile(item));
}
protected abstract void
checkConsistency()
throws ShareException;
public void
addChangeListener(
ShareResourceListener l )
{
change_listeners.add( l );
}
public void
removeChangeListener(
ShareResourceListener l )
{
change_listeners.remove( l );
}
public void
addDeletionListener(
ShareResourceWillBeDeletedListener l )
{
deletion_listeners.add( l );
}
public void
removeDeletionListener(
ShareResourceWillBeDeletedListener l )
{
deletion_listeners.remove( l );
}
}
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