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package org.herac.tuxguitar.gui.system.plugins;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.herac.tuxguitar.gui.util.MessageDialog;
import org.herac.tuxguitar.util.TGClassLoader;
import org.herac.tuxguitar.util.TGServiceReader;
public class TGPluginManager {
private List plugins;
public TGPluginManager(){
this.plugins = new ArrayList();
this.initPLugins();
}
public List getPlugins(){
return this.plugins;
}
public void initPLugins(){
try{
//Search available providers
Iterator it = TGServiceReader.lookupProviders(TGPlugin.class,TGClassLoader.instance().getClassLoader());
while(it.hasNext()){
try{
TGPlugin plugin = (TGPlugin)it.next();
plugin.init();
this.plugins.add(plugin);
}catch(TGPluginException exception){
MessageDialog.errorMessage(exception);
}catch(Throwable throwable){
MessageDialog.errorMessage(new TGPluginException("An error ocurred when trying to init plugin",throwable));
}
}
}catch(Throwable throwable){
MessageDialog.errorMessage(new TGPluginException("An error ocurred when trying to init plugin",throwable));
}
}
public void closePLugins(){
Iterator it = this.plugins.iterator();
while(it.hasNext()){
try{
((TGPlugin)it.next()).close();
}catch(TGPluginException exception){
MessageDialog.errorMessage(exception);
}catch(Throwable throwable){
MessageDialog.errorMessage(new TGPluginException("An error ocurred when trying to close plugin",throwable));
}
}
}
public void openPlugins(){
Iterator it = this.plugins.iterator();
while(it.hasNext()){
try{
TGPlugin plugin = (TGPlugin)it.next();
plugin.setEnabled(isEnabled(plugin));
}catch(TGPluginException exception){
MessageDialog.errorMessage(exception);
}catch(Throwable throwable){
MessageDialog.errorMessage(new TGPluginException("An error ocurred when trying to set plugin status",throwable));
}
}
}
public void setEnabled(TGPlugin plugin,boolean enabled){
try{
TGPluginProperties.instance().setProperty(getEnabledProperty(plugin),enabled);
TGPluginProperties.instance().save();
plugin.setEnabled(enabled);
}catch(TGPluginException exception){
MessageDialog.errorMessage(exception);
}catch(Throwable throwable){
MessageDialog.errorMessage(new TGPluginException("An error ocurred when trying to set plugin status",throwable));
}
}
public boolean isEnabled(TGPlugin plugin){
try{
return TGPluginProperties.instance().getBooleanConfigValue(getEnabledProperty(plugin),true);
}catch(Throwable throwable){
MessageDialog.errorMessage(new TGPluginException("An error ocurred when trying to get plugin status",throwable));
}
return false;
}
public String getEnabledProperty(TGPlugin plugin){
return (plugin.getClass().getName() + ".enabled");
}
}
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