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Viewing changes to TuxGuitar/src/org/herac/tuxguitar/gui/system/plugins/TGPluginManager.java

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2008-06-19 00:30:30 UTC
  • mto: (5.1.2 sid)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20080619003030-h719szrhsngou7c6
Tags: upstream-1.0
Import upstream version 1.0

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