/*
* Created on 27-Apr-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.update.sf.impl2;
/**
* @author parg
*
*/
import java.util.*;
import java.net.URL;
import java.net.URLEncoder;
import java.io.InputStream;
import org.gudy.azureus2.platform.PlatformManager;
import org.gudy.azureus2.platform.PlatformManagerCapabilities;
import org.gudy.azureus2.platform.PlatformManagerFactory;
import org.gudy.azureus2.plugins.utils.resourcedownloader.*;
import org.gudy.azureus2.pluginsimpl.update.sf.*;
import org.gudy.azureus2.pluginsimpl.local.utils.resourcedownloader.*;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.html.*;
import org.gudy.azureus2.core3.util.AEMonitor;
import org.gudy.azureus2.core3.util.Constants;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.core3.util.SystemProperties;
import org.gudy.azureus2.core3.util.SystemTime;
import org.gudy.azureus2.core3.logging.*;
public class
SFPluginDetailsLoaderImpl
implements SFPluginDetailsLoader, ResourceDownloaderListener
{
private static final LogIDs LOGID = LogIDs.CORE;
private static final String site_prefix = "http://azureus.sourceforge.net/";
private static String base_url_params;
static{
base_url_params = "version=" + Constants.AZUREUS_VERSION + "&app=" + SystemProperties.getApplicationName();
try{
base_url_params += "&os=" + URLEncoder.encode(System.getProperty( "os.name"),"UTF-8" );
base_url_params += "&arch=" + URLEncoder.encode(System.getProperty( "os.arch"),"UTF-8" );
base_url_params += "&ui=" + URLEncoder.encode(COConfigurationManager.getStringParameter("ui"),"UTF-8" );
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
private static String page_url = site_prefix + "update/pluginlist3.php?type=&" + base_url_params;
static{
try{
PlatformManager pm = PlatformManagerFactory.getPlatformManager();
if ( pm.hasCapability( PlatformManagerCapabilities.GetVersion )){
page_url += "&pmv=" + pm.getVersion();
}
}catch( Throwable e ){
}
}
private static SFPluginDetailsLoaderImpl singleton;
private static AEMonitor class_mon = new AEMonitor( "SFPluginDetailsLoader:class" );
private static final int RELOAD_MIN_TIME = 60*60*1000;
public static SFPluginDetailsLoader
getSingleton()
{
try{
class_mon.enter();
if ( singleton == null ){
singleton = new SFPluginDetailsLoaderImpl();
}
return( singleton );
}finally{
class_mon.exit();
}
}
protected boolean plugin_ids_loaded;
protected long plugin_ids_loaded_at;
protected List plugin_ids;
protected Map plugin_map;
protected List listeners = new ArrayList();
protected ResourceDownloaderFactory rd_factory = ResourceDownloaderFactoryImpl.getSingleton();
protected AEMonitor this_mon = new AEMonitor( "SFPluginDetailsLoader" );
protected
SFPluginDetailsLoaderImpl()
{
reset();
}
protected String
getRelativeURLBase()
{
return( site_prefix );
}
protected void
loadPluginList()
throws SFPluginDetailsException
{
try{
ResourceDownloader dl = rd_factory.create( new URL(page_url));
dl = rd_factory.getRetryDownloader( dl, 5 );
dl.addListener( this );
Properties details = new Properties();
InputStream is = dl.download();
details.load( is );
is.close();
Iterator it = details.keySet().iterator();
while( it.hasNext()){
String plugin_id = (String)it.next();
String data = (String)details.get(plugin_id);
int pos = 0;
List bits = new ArrayList();
while( pos < data.length()){
int p1 = data.indexOf(';',pos);
if ( p1 == -1 ){
bits.add( data.substring(pos).trim());
break;
}else{
bits.add( data.substring(pos,p1).trim());
pos = p1+1;
}
}
if (bits.size() < 3) {
Logger.log(new LogEvent(LOGID, LogEvent.LT_ERROR,
"SF loadPluginList failed for plugin '" + plugin_id
+ "'. Details array is " + bits.size() + " (3 min)"));
} else {
String version = (String) bits.get(0);
String cvs_version = (String) bits.get(1);
String name = (String) bits.get(2);
String category = "";
if (bits.size() > 3) {
category = (String) bits.get(3);
}
plugin_ids.add(plugin_id);
plugin_map.put(plugin_id.toLowerCase(), new SFPluginDetailsImpl(this,
plugin_id, version, cvs_version, name, category));
}
}
plugin_ids_loaded = true;
plugin_ids_loaded_at = SystemTime.getCurrentTime();
}catch( Throwable e ){
Debug.printStackTrace( e );
throw( new SFPluginDetailsException( "Plugin list load failed", e ));
}
}
protected void
loadPluginDetails(
SFPluginDetailsImpl details )
throws SFPluginDetailsException
{
try{
ResourceDownloader p_dl = rd_factory.create( new URL( site_prefix + "plugin_details.php?plugin=" + details.getId() + "&" + base_url_params ));
p_dl = rd_factory.getRetryDownloader( p_dl, 5 );
p_dl.addListener( this );
HTMLPage plugin_page = HTMLPageFactory.loadPage( p_dl.download());
if ( !processPluginPage( details, plugin_page )){
throw( new SFPluginDetailsException( "Plugin details load fails for '" + details.getId() + "': data not found" ));
}
}catch( Throwable e ){
Debug.printStackTrace( e );
throw( new SFPluginDetailsException( "Plugin details load fails", e ));
}
}
protected boolean
processPluginPage(
SFPluginDetailsImpl details,
HTMLPage page )
throws SFPluginDetailsException
{
HTMLTable[] tables = page.getTables();
// dumpTables("", tables );
return( processPluginPage( details, tables ));
}
protected boolean
processPluginPage(
SFPluginDetailsImpl details,
HTMLTable[] tables )
throws SFPluginDetailsException
{
for (int i=0;i<tables.length;i++){
HTMLTable table = tables[i];
HTMLTableRow[] rows = table.getRows();
if ( rows.length == 10 ){
HTMLTableCell[] cells = rows[0].getCells();
if ( cells.length == 6 &&
cells[0].getContent().trim().equals("Name") &&
cells[5].getContent().trim().equals("Contact")){
// got the plugin details table
HTMLTableCell[] detail_cells = rows[2].getCells();
//String plugin_name = detail_cells[0].getContent();
//String plugin_version = detail_cells[1].getContent();
String plugin_auth = detail_cells[4].getContent();
String[] dl_links = detail_cells[2].getLinks();
String plugin_download;
if ( dl_links.length == 0 ){
plugin_download = "<unknown>";
}else{
plugin_download = site_prefix + dl_links[0];
}
HTMLTableCell[] cvs_detail_cells = rows[3].getCells();
// String plugin_cvs_version = cvs_detail_cells[1].getContent();
String[] cvs_dl_links = cvs_detail_cells[2].getLinks();
String plugin_cvs_download;
if ( cvs_dl_links.length == 0 ){
plugin_cvs_download = "<unknown>";
}else{
plugin_cvs_download = site_prefix + cvs_dl_links[0];
}
String info_url = null;
if (rows[9].getCells().length > 1) {
info_url = rows[9].getCells()[1].getContent();
}
// System.out.println( "got plugin:" + plugin_name + "/" + plugin_version + "/" + plugin_download + "/" + plugin_auth );
details.setDetails(
plugin_download,
plugin_auth,
plugin_cvs_download,
rows[6].getCells()[0].getContent(),
rows[9].getCells()[0].getContent(),
info_url);
return( true );
}
}
HTMLTable[] sub_tables = table.getTables();
boolean res = processPluginPage( details, sub_tables );
if( res ){
return( res );
}
}
return( false );
}
protected void
dumpTables(
String indent,
HTMLTable[] tables )
{
for (int i=0;i<tables.length;i++){
HTMLTable tab = tables[i];
System.out.println( indent + "tab:" + tab.getContent());
HTMLTableRow[] rows = tab.getRows();
for (int j=0;j<rows.length;j++){
HTMLTableRow row = rows[j];
System.out.println( indent + " row[" + j + "]: " + rows[j].getContent());
HTMLTableCell[] cells = row.getCells();
for (int k=0;k<cells.length;k++){
System.out.println( indent + " cell[" + k + "]: " + cells[k].getContent());
}
}
dumpTables( indent + " ", tab.getTables());
}
}
public String[]
getPluginIDs()
throws SFPluginDetailsException
{
try{
this_mon.enter();
if ( !plugin_ids_loaded ){
loadPluginList();
}
String[] res = new String[plugin_ids.size()];
plugin_ids.toArray( res );
return( res );
}finally{
this_mon.exit();
}
}
public SFPluginDetails
getPluginDetails(
String name )
throws SFPluginDetailsException
{
try{
this_mon.enter();
// make sure details are loaded
getPluginIDs();
SFPluginDetails details = (SFPluginDetails)plugin_map.get(name.toLowerCase());
if ( details == null ){
throw( new SFPluginDetailsException( "Plugin '" + name + "' not found" ));
}
return( details );
}finally{
this_mon.exit();
}
}
public SFPluginDetails[]
getPluginDetails()
throws SFPluginDetailsException
{
String[] plugin_ids = getPluginIDs();
SFPluginDetails[] res = new SFPluginDetails[plugin_ids.length];
for (int i=0;i<plugin_ids.length;i++){
res[i] = getPluginDetails(plugin_ids[i]);
}
return( res );
}
public void
reportPercentComplete(
ResourceDownloader downloader,
int percentage )
{
}
public void
reportAmountComplete(
ResourceDownloader downloader,
long amount )
{
}
public void
reportActivity(
ResourceDownloader downloader,
String activity )
{
informListeners( activity );
}
public boolean
completed(
ResourceDownloader downloader,
InputStream data )
{
return( true );
}
public void
failed(
ResourceDownloader downloader,
ResourceDownloaderException e )
{
informListeners( "Error: " + e.getMessage());
}
protected void
informListeners(
String log )
{
for (int i=0;i<listeners.size();i++){
((SFPluginDetailsLoaderListener)listeners.get(i)).log( log );
}
}
public void
reset()
{
try{
this_mon.enter();
long now = SystemTime.getCurrentTime();
// handle backward time changes
if ( now < plugin_ids_loaded_at ){
plugin_ids_loaded_at = 0;
}
if ( now - plugin_ids_loaded_at > RELOAD_MIN_TIME ){
if (Logger.isEnabled())
Logger.log(new LogEvent(LOGID,
"SFPluginDetailsLoader: resetting values"));
plugin_ids_loaded = false;
plugin_ids = new ArrayList();
plugin_map = new HashMap();
}else{
if (Logger.isEnabled())
Logger.log(new LogEvent(LOGID, LogEvent.LT_WARNING,
"SFPluginDetailsLoader: not resetting, " + "cache still valid"));
}
}finally{
this_mon.exit();
}
}
public void
addListener(
SFPluginDetailsLoaderListener l )
{
listeners.add( l );
}
public void
removeListener(
SFPluginDetailsLoaderListener l )
{
listeners.remove(l);
}
}
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