Corrections de bugs multiples

- Correction de quelques NPE
- Ajout d'une classe BiMap
- Correctif mineure dans le code

src/fr/pandacube/java/util/BiMap.java

@@ -0,0 +1,47 @@
+package fr.pandacube.java.util;
+
+import java.util.HashMap;
+
+public class BiMap<K,V> {
+
+    HashMap<K, V> map = new HashMap<>();
+    HashMap<V, K> inversedMap = new HashMap<>();
+
+    public synchronized void put(K k, V v) {
+    	if (map.containsKey(k) || inversedMap.containsKey(v)) {
+    		map.remove(k);
+    		inversedMap.remove(v);
+    	}
+        map.put(k, v);
+        inversedMap.put(v, k);
+    }
+
+    public synchronized V get(K k) {
+        return map.get(k);
+    }
+
+    public synchronized K getKey(V v) {
+        return inversedMap.get(v);
+    }
+    
+    public synchronized boolean containsKey(K k) {
+    	return map.containsKey(k);
+    }
+    
+    public synchronized boolean containsValue(V v) {
+    	return inversedMap.containsKey(v);
+    }
+    
+    public synchronized V remove(K k) {
+    	V v = map.remove(k);
+    	inversedMap.remove(v);
+    	return v;
+    }
+    
+    public synchronized K removeValue(V v) {
+    	K k = inversedMap.remove(v);
+    	map.remove(k);
+    	return k;
+    }
+
+}

src/fr/pandacube/java/util/ServerPropertyFile.java

@@ -38,7 +38,6 @@ public class ServerPropertyFile {
 	public boolean loadFromFile() {
 		try (BufferedReader in = new BufferedReader(new FileReader(file))) {
 
-			@SuppressWarnings("unchecked")
 			Map<String, Object> dataFile = new Gson().fromJson(in, Map.class);
 
 			if (!dataFile.containsKey("name") || !(dataFile.get("name") instanceof String)) return false;

src/fr/pandacube/java/util/commands/AbstractCommand.java

@@ -50,13 +50,14 @@ public class AbstractCommand {
 	 * @return
 	 */
 	public static List<String> getTabProposalFromToken(String token, Collection<String> allProposal) {
-		List<String> ret = new ArrayList<String>();
+		List<String> ret = new ArrayList<>();
 
 		for (String s : allProposal)
-			if (s.toLowerCase().startsWith(token.toLowerCase())) ret.add(s);
+			if (s != null && s.toLowerCase().startsWith(token.toLowerCase())) ret.add(s);
 
 		if (ret.isEmpty()) ret.addAll(allProposal);
 		
+		ret.removeIf(s -> s == null);
 		ret.sort(null); // String implents Comparable
 
 		return ret;

src/fr/pandacube/java/util/network/server/TCPServer.java

@@ -294,7 +294,7 @@ public class TCPServer extends Thread implements Closeable {
 						}
 
 					}
-				} catch (InterruptedException e) {} catch (IOException e) {}
+				} catch (InterruptedException|IOException e) {}
 
 				close();
 			}