/*
* Created on 07-May-2004
* Created by Paul Gardner
* Copyright (C) 2004, 2005, 2006 Aelitis, All Rights Reserved.
*
* 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, or (at your option) any later version.
* 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.
* 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.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.pluginsimpl.local.update;
/**
* @author parg
*
*/
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.*;
import org.gudy.azureus2.core3.util.AEMonitor;
import org.gudy.azureus2.core3.util.AETemporaryFileHandler;
import org.gudy.azureus2.core3.util.AEVerifier;
import org.gudy.azureus2.core3.util.AEVerifierException;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.core3.util.FileUtil;
import org.gudy.azureus2.core3.util.SystemProperties;
import org.gudy.azureus2.platform.PlatformManagerFactory;
import org.gudy.azureus2.plugins.update.*;
import com.aelitis.azureus.core.AzureusCore;
public class
UpdateManagerImpl
implements UpdateManager
{
protected static UpdateManagerImpl singleton;
public static UpdateManager
getSingleton(
AzureusCore core )
{
if ( singleton == null ){
singleton = new UpdateManagerImpl( core );
}
return( singleton );
}
protected AzureusCore azureus_core;
protected List components = new ArrayList();
protected List listeners = new ArrayList();
protected List verification_listeners = new ArrayList();
protected List installers = new ArrayList();
protected AEMonitor this_mon = new AEMonitor( "UpdateManager" );
protected
UpdateManagerImpl(
AzureusCore _azureus_core )
{
azureus_core = _azureus_core;
UpdateInstallerImpl.checkForFailedInstalls( this );
// cause the platform manager to register any updateable components
try{
PlatformManagerFactory.getPlatformManager();
}catch( Throwable e ){
}
}
public void
registerUpdatableComponent(
UpdatableComponent component,
boolean mandatory )
{
try{
this_mon.enter();
components.add( new UpdatableComponentImpl( component, mandatory ));
}finally{
this_mon.exit();
}
}
public UpdateCheckInstance
createUpdateCheckInstance()
{
return( createUpdateCheckInstance( UpdateCheckInstance.UCI_UPDATE, "" ));
}
public UpdateCheckInstance
createUpdateCheckInstance(
int type,
String name )
{
try{
this_mon.enter();
UpdatableComponentImpl[] comps = new UpdatableComponentImpl[components.size()];
components.toArray( comps );
UpdateCheckInstance res = new UpdateCheckInstanceImpl( this, type, name, comps );
for (int i=0;i<listeners.size();i++){
((UpdateManagerListener)listeners.get(i)).checkInstanceCreated( res );
}
return( res );
}finally{
this_mon.exit();
}
}
public UpdateCheckInstance
createEmptyUpdateCheckInstance(
int type,
String name )
{
try{
this_mon.enter();
UpdatableComponentImpl[] comps = new UpdatableComponentImpl[0];
UpdateCheckInstance res = new UpdateCheckInstanceImpl( this, type, name, comps );
for (int i=0;i<listeners.size();i++){
((UpdateManagerListener)listeners.get(i)).checkInstanceCreated( res );
}
return( res );
}finally{
this_mon.exit();
}
}
public UpdateInstaller
createInstaller()
throws UpdateException
{
UpdateInstaller installer = new UpdateInstallerImpl( this );
installers.add( installer );
return( installer );
}
public UpdateInstaller[]
getInstallers()
{
UpdateInstaller[] res = new UpdateInstaller[installers.size()];
installers.toArray( res );
return( res );
}
public String
getInstallDir()
{
String str = SystemProperties.getApplicationPath();
if ( str.endsWith(File.separator)){
str = str.substring(0,str.length()-1);
}
return( str );
}
public String
getUserDir()
{
String str = SystemProperties.getUserPath();
if ( str.endsWith(File.separator)){
str = str.substring(0,str.length()-1);
}
return( str );
}
public void
restart()
throws UpdateException
{
applyUpdates( true );
}
public void
applyUpdates(
boolean restart_after )
throws UpdateException
{
try{
if ( restart_after ){
azureus_core.requestRestart();
}else{
azureus_core.requestStop();
}
}catch( Throwable e ){
throw( new UpdateException( "UpdateManager:applyUpdates fails", e ));
}
}
public InputStream
verifyData(
Update update,
InputStream is,
boolean force )
throws UpdateException
{
boolean queried = false;
boolean ok = false;
Throwable failure = null;
try{
File temp = AETemporaryFileHandler.createTempFile();
FileUtil.copyFile( is, temp );
try{
AEVerifier.verifyData( temp );
ok = true;
return( new FileInputStream( temp ));
}catch( AEVerifierException e ){
if ( (!force) && e.getFailureType() == AEVerifierException.FT_SIGNATURE_MISSING ){
for (int i=0;i<verification_listeners.size();i++){
try{
queried = true;
if ( ((UpdateManagerVerificationListener)verification_listeners.get(i)).acceptUnVerifiedUpdate(
update )){
ok = true;
return( new FileInputStream( temp ));
}
}catch( Throwable f ){
Debug.printStackTrace(f);
}
}
}
failure = e;
throw( e );
}
}catch( UpdateException e ){
failure = e;
throw( e );
}catch( Throwable e ){
failure = e;
throw( new UpdateException( "Verification failed", e ));
}finally{
if ( !( queried || ok )){
if ( failure == null ){
failure = new UpdateException( "Verification failed" );
}
for (int i=0;i<verification_listeners.size();i++){
try{
((UpdateManagerVerificationListener)verification_listeners.get(i)).verificationFailed( update, failure );
}catch( Throwable f ){
Debug.printStackTrace(f);
}
}
}
}
}
public void
addVerificationListener(
UpdateManagerVerificationListener l )
{
verification_listeners.add( l );
}
public void
removeVerificationListener(
UpdateManagerVerificationListener l )
{
verification_listeners.add( l );
}
public void
addListener(
UpdateManagerListener l )
{
listeners.add(l);
}
public void
removeListener(
UpdateManagerListener l )
{
listeners.remove(l);
}
}
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