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Viewing changes to TuxGuitar-jsa/src/org/herac/tuxguitar/player/impl/jsa/assistant/SBInstaller.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-jsa/src/org/herac/tuxguitar/player/impl/jsa/assistant/SBInstaller.java
 
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package org.herac.tuxguitar.player.impl.jsa.assistant;
 
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import java.io.File;
 
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import java.io.FileInputStream;
 
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import java.io.FileOutputStream;
 
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import java.io.InputStream;
 
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import java.io.OutputStream;
 
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import java.net.URL;
 
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import java.util.zip.ZipEntry;
 
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import java.util.zip.ZipInputStream;
 
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import org.herac.tuxguitar.gui.TuxGuitar;
 
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import org.herac.tuxguitar.gui.system.config.TGConfigManager;
 
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import org.herac.tuxguitar.player.base.MidiPlayerException;
 
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import org.herac.tuxguitar.player.impl.jsa.midiport.MidiPortSynthesizer;
 
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import org.herac.tuxguitar.player.impl.jsa.utils.MidiConfigUtils;
 
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public class SBInstaller {
 
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        private static final String SB_PREFIX = "soundbank";
 
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        private static final String SB_EXTENSION = ".gm";
 
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        private boolean cancelled;
 
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        private URL url;
 
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        private File tmpPath;
 
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        private File dstPath;
 
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        private MidiPortSynthesizer synthesizer;
 
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        private SBInstallerlistener listener;
 
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        public SBInstaller(URL url,File tmpPath,File dstPath,MidiPortSynthesizer synthesizer, SBInstallerlistener listener){
 
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                this.url = url;
 
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                this.tmpPath = tmpPath;
 
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                this.dstPath = dstPath;
 
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                this.synthesizer = synthesizer;
 
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                this.listener = listener;
 
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                this.cancelled = false;
 
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        }
 
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        public void process(){
 
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                File tmpFile = new File(this.tmpPath.getAbsolutePath() + File.separator + "soundbank.zip");
 
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                boolean success = download(this.url, tmpFile);
 
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                if(success && !isCancelled()){
 
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                        File sbFile = uncompress(tmpFile);
 
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                        if(!isCancelled() && sbFile != null){
 
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                                install(sbFile);
 
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                        }
 
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                }
 
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                if( tmpFile.exists() ){
 
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                        tmpFile.delete();
 
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                }
 
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                this.listener.notifyFinish();
 
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        }
 
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        private boolean download(URL url, File dst){
 
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                try{
 
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                        this.listener.notifyProcess(TuxGuitar.getProperty("jsa.soundbank-assistant.process.downloading"));
 
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                        InputStream is = url.openStream();
 
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                        OutputStream os = new FileOutputStream(dst);
 
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                        byte[] buffer = new byte[1024];
 
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                        int length = 0;
 
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                        while(!isCancelled() && (length = is.read(buffer)) != -1 ){
 
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                                os.write(buffer,0,length);
 
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                        }
 
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                        is.close();
 
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                        os.flush();
 
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                        os.close();
 
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                        return true;
 
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                }catch(Throwable throwable){
 
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                        throwable.printStackTrace();
 
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                }
 
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                return false;
 
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        }
 
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        private File uncompress(File file){
 
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                try{
 
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                        this.listener.notifyProcess(TuxGuitar.getProperty("jsa.soundbank-assistant.process.uncompressing",new String[]{file.getAbsolutePath()}));
 
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                        if(file.exists()){
 
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                                File soundbank = null;
 
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                                ZipInputStream is = new ZipInputStream(new FileInputStream(file));
 
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                                ZipEntry entry = null;
 
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                                while( ( entry = is.getNextEntry() ) != null ){
 
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                                        String name = entry.getName();                                  
 
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                                        if(name.indexOf(SB_PREFIX) == 0 && name.indexOf(SB_EXTENSION) == (name.length() - SB_EXTENSION.length())){
 
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                                                soundbank = new File(this.dstPath.getAbsolutePath() + File.separator + name);
 
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                                                OutputStream os = new FileOutputStream(soundbank);
 
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                                                byte[] buffer = new byte[1024];
 
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                                                int length = 0;
 
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                                                while( (length = is.read(buffer)) != -1){
 
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                                                        os.write(buffer,0,length);
 
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                                                }
 
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                                                os.flush();
 
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                                                os.close();
 
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                                        }
 
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                                }
 
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                                is.close();
 
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                                return soundbank;
 
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                        }
 
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                }catch(Throwable throwable){
 
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                        throwable.printStackTrace();
 
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                }
 
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                return null;
 
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        }
 
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        private void install(File file){
 
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                try {
 
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                        this.listener.notifyProcess(TuxGuitar.getProperty("jsa.soundbank-assistant.process.installing",new String[]{file.getAbsolutePath()}));
 
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                        if( ! this.synthesizer.loadSoundbank(file) ){
 
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                                this.listener.notifyFailed(new MidiPlayerException(TuxGuitar.getProperty("jsa.error.soundbank.custom")));
 
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                                return;
 
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                        }
 
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                        TGConfigManager config = MidiConfigUtils.getConfig();
 
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                        config.setProperty(MidiConfigUtils.SOUNDBANK_KEY,file.getAbsolutePath());
 
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                        config.save();
 
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                } catch (Throwable throwable) {
 
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                        throwable.printStackTrace();
 
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                }
 
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        }
 
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        public boolean isCancelled() {
 
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                return this.cancelled;
 
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        }
 
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        public void setCancelled(boolean cancelled) {
 
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                this.cancelled = cancelled;
 
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        }
 
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}