| | |
| | | */ |
| | | package de.uhilger.mediaz.api; |
| | | |
| | | import com.google.gson.Gson; |
| | | import com.sun.net.httpserver.HttpExchange; |
| | | import de.uhilger.mediaz.App; |
| | | import de.uhilger.mediaz.Server; |
| | | import de.uhilger.mediaz.entity.Abspielliste; |
| | | import de.uhilger.mediaz.entity.Entity; |
| | | import de.uhilger.mediaz.entity.Titel; |
| | | import de.uhilger.mediaz.store.FileStorage; |
| | | import java.io.IOException; |
| | | import java.util.logging.Logger; |
| | | |
| | | /** |
| | | * Der ListHandler bearbeitet HTTP-Anfragen zu Abspiellisten |
| | |
| | | * @version 1, 8.4.2021 |
| | | */ |
| | | public class ListHandler extends AbstractHandler { |
| | | |
| | | private static final Logger logger = Logger.getLogger(ListHandler.class.getName()); |
| | | |
| | | |
| | | @Override |
| | | protected String get(HttpExchange e) { |
| | | throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. |
| | | String path = e.getRequestURI().toString(); |
| | | String[] elems = path.split(Server.SLASH); |
| | | String plname = elems[elems.length - 1]; |
| | | FileStorage fs = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF))); |
| | | String json = fs.readJson(FileStorage.ST_ABSPIELLISTE, plname); |
| | | return embedInCustomType(json, FileStorage.ST_ABSPIELLISTE); |
| | | } |
| | | |
| | | @Override |
| | | protected String put(HttpExchange e) throws IOException { |
| | | throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. |
| | | String path = e.getRequestURI().toString(); |
| | | String[] elems = path.split(Server.SLASH); |
| | | String response = "ListHandler.put: ungueltiger URL"; |
| | | switch(elems.length) { |
| | | case 5: // ohne nr am Ende |
| | | response = addTitel(e, elems[4]); |
| | | break; |
| | | |
| | | case 6: |
| | | response = "Einfuegen noch nicht fertig."; |
| | | break; |
| | | } |
| | | return response; |
| | | } |
| | | |
| | | private String addTitel(HttpExchange e, String plname) throws IOException { |
| | | FileStorage fs = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF))); |
| | | Entity entity = fs.read(FileStorage.ST_ABSPIELLISTE, plname); |
| | | String response = "Titel konnte nicht hinzugefuegt werden."; |
| | | if(entity instanceof Abspielliste) { |
| | | Abspielliste aliste = (Abspielliste) entity; |
| | | String titelJson = bodyLesen(e); |
| | | Gson gson = new Gson(); |
| | | Object o = gson.fromJson(titelJson, fs.typeFromName(Titel.class.getSimpleName()).getType()); |
| | | if(o instanceof Titel) { |
| | | Titel titel = (Titel) o; |
| | | aliste.addTitel(titel); |
| | | fs.write(aliste, true); |
| | | response = "Titel " + titel.getName() + " der Liste " + aliste.getName() + " hinzugefuegt."; |
| | | } |
| | | } |
| | | return response; |
| | | } |
| | | |
| | | @Override |
| | |
| | | throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. |
| | | } |
| | | |
| | | // DELETE /mz/api/alist/[pl-name]/[nr] den Titel an der Position [nr] aus der Liste [pl-name] entfernen |
| | | @Override |
| | | protected boolean delete(HttpExchange e) { |
| | | throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. |
| | | String path = e.getRequestURI().toString(); |
| | | String[] elems = path.split(Server.SLASH); |
| | | String listName = elems[elems.length - 2]; |
| | | |
| | | FileStorage fs = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF))); |
| | | Entity entity = fs.read(Abspielliste.class.getSimpleName(), listName); |
| | | if(entity instanceof Abspielliste) { |
| | | Abspielliste liste = (Abspielliste) entity; |
| | | liste.getTitel().remove(Integer.parseInt(elems[elems.length-1])); |
| | | fs.write(liste, true); |
| | | return true; |
| | | } else { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | } |