| 1 | package be.nikiroo.fanfix.library; |
| 2 | |
| 3 | import java.io.IOException; |
| 4 | import java.security.InvalidParameterException; |
| 5 | import java.util.List; |
| 6 | |
| 7 | import be.nikiroo.fanfix.Instance; |
| 8 | import be.nikiroo.fanfix.data.MetaData; |
| 9 | import be.nikiroo.fanfix.data.Story; |
| 10 | import be.nikiroo.utils.Version; |
| 11 | import be.nikiroo.utils.serial.server.ConnectActionServerObject; |
| 12 | import be.nikiroo.utils.serial.server.ServerObject; |
| 13 | |
| 14 | /** |
| 15 | * Create a new remote server that will listen for order on the given port. |
| 16 | * <p> |
| 17 | * The available commands are given as arrays of objects (first item is the key, |
| 18 | * second is the command, the rest are the arguments). |
| 19 | * <p> |
| 20 | * The key is always a String, the commands are also Strings; the parameters |
| 21 | * vary depending upon the command. |
| 22 | * <ul> |
| 23 | * <li>[key] GET_METADATA *: will return the metadata of all the stories in the |
| 24 | * library</li> |
| 25 | * <li>[key] GET_STORY [luid]: will return the given story if it exists (or NULL |
| 26 | * if not)</li> |
| 27 | * <li>[key] SAVE_STORY [story] [luid]: save the story with the given LUID</li> |
| 28 | * <li>[key] DELETE_STORY [luid]: delete the story of LUID luid</li> |
| 29 | * <li>[key] GET_COVER [luid]: return the cover of the story</li> |
| 30 | * <li>[key] GET_SOURCE_COVER [source]: return the cover for this source</li> |
| 31 | * <li>[key] SET_SOURCE_COVER [source], [luid]: set the default cover for the |
| 32 | * given source to the cover of the story denoted by luid</li> |
| 33 | * <li>[key] EXIT: stop the server</li> |
| 34 | * </ul> |
| 35 | * |
| 36 | * @author niki |
| 37 | */ |
| 38 | public class RemoteLibraryServer extends ServerObject { |
| 39 | private final String key; |
| 40 | |
| 41 | /** |
| 42 | * Create a new remote server (will not be active until |
| 43 | * {@link RemoteLibraryServer#start()} is called). |
| 44 | * |
| 45 | * @param key |
| 46 | * the key that will restrict access to this server |
| 47 | * @param port |
| 48 | * the port to listen on |
| 49 | * |
| 50 | * @throws IOException |
| 51 | * in case of I/O error |
| 52 | */ |
| 53 | public RemoteLibraryServer(String key, int port) throws IOException { |
| 54 | super("Fanfix remote library", port, true); |
| 55 | this.key = key; |
| 56 | } |
| 57 | |
| 58 | @Override |
| 59 | protected Object onRequest(ConnectActionServerObject action, |
| 60 | Version clientVersion, Object data) throws Exception { |
| 61 | String key = ""; |
| 62 | String command = ""; |
| 63 | Object[] args = new Object[0]; |
| 64 | if (data instanceof Object[]) { |
| 65 | Object[] dataArray = (Object[]) data; |
| 66 | if (dataArray.length >= 2) { |
| 67 | args = new Object[dataArray.length - 2]; |
| 68 | for (int i = 2; i < dataArray.length; i++) { |
| 69 | args[i - 2] = dataArray[i]; |
| 70 | } |
| 71 | |
| 72 | key = "" + dataArray[0]; |
| 73 | command = "" + dataArray[1]; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | System.out.print("[" + command + "] "); |
| 78 | for (Object arg : args) { |
| 79 | System.out.print(arg + " "); |
| 80 | } |
| 81 | System.out.println(""); |
| 82 | |
| 83 | if (!key.equals(this.key)) { |
| 84 | System.out.println("Key rejected."); |
| 85 | throw new SecurityException("Invalid key"); |
| 86 | } |
| 87 | |
| 88 | // TODO: progress (+send name + %age info back to client) |
| 89 | |
| 90 | if ("GET_METADATA".equals(command)) { |
| 91 | if (args[0].equals("*")) { |
| 92 | List<MetaData> metas = Instance.getLibrary().getMetas(null); |
| 93 | return metas.toArray(new MetaData[] {}); |
| 94 | } |
| 95 | throw new InvalidParameterException( |
| 96 | "only * is valid here, but you passed: " + args[0]); |
| 97 | } else if ("GET_STORY".equals(command)) { |
| 98 | return Instance.getLibrary().getStory("" + args[0], null); |
| 99 | } else if ("SAVE_STORY".equals(command)) { |
| 100 | Instance.getLibrary().save((Story) args[0], "" + args[1], null); |
| 101 | } else if ("DELETE_STORY".equals(command)) { |
| 102 | Instance.getLibrary().delete("" + args[0]); |
| 103 | } else if ("GET_COVER".equals(command)) { |
| 104 | return Instance.getLibrary().getCover("" + args[0]); |
| 105 | } else if ("GET_SOURCE_COVER".equals(command)) { |
| 106 | return Instance.getLibrary().getSourceCover("" + args[0]); |
| 107 | } else if ("SET_SOURCE_COVER".equals(command)) { |
| 108 | Instance.getLibrary().setSourceCover("" + args[0], "" + args[1]); |
| 109 | } else if ("EXIT".equals(command)) { |
| 110 | stop(0, false); |
| 111 | } |
| 112 | |
| 113 | return null; |
| 114 | } |
| 115 | } |