School Commit Init

Anul 2/Semestrul 1/Metode avansate de programare/Interpretor/Models/Program/GenericDictionary.java

@@ -0,0 +1,72 @@
+package Models.Program;
+
+import Exceptions.BaseException;
+
+import java.util.Collection;
+import java.util.Hashtable;
+
+public class GenericDictionary<K, V> implements IDictionary<K, V> {
+    private Hashtable<K, V> dictionary;
+
+    public GenericDictionary() {
+        dictionary = new Hashtable<K, V>();
+    }
+
+    public void add(K key, V value) throws BaseException {
+        if (dictionary.containsKey(key)) {
+            throw new BaseException("Key already exists in dictionary.");
+        }
+
+        dictionary.put(key, value);
+    }
+
+    public void update(K key, V value) throws BaseException {
+        if (!dictionary.containsKey(key)) {
+            throw new BaseException("Key does not exist in dictionary.");
+        }
+
+        dictionary.put(key, value);
+    }
+
+    public void remove(K key) throws BaseException {
+        if (!dictionary.containsKey(key)) {
+            throw new BaseException("Key does not exist in dictionary.");
+        }
+        dictionary.remove(key);
+    }
+
+    public V get(K key) throws BaseException {
+        if (!dictionary.containsKey(key)) {
+            throw new BaseException("Key does not exist in dictionary.");
+        }
+
+        return dictionary.get(key);
+    }
+
+    public boolean contains(K key) {
+        return dictionary.containsKey(key);
+    }
+
+    public String toString() {
+        var sb = new StringBuilder();
+        for (var key : dictionary.keySet()) {
+            sb.append(key);
+            sb.append(" --> ");
+            sb.append(dictionary.get(key));
+            sb.append("\n");
+        }
+        return sb.toString();
+    }
+
+    public Collection<V> getContent() {
+        return dictionary.values();
+    }
+
+    public IDictionary<K, V> copy() {
+        var newDictionary = new GenericDictionary<K, V>();
+        for (var key : dictionary.keySet()) {
+            newDictionary.dictionary.put(key, dictionary.get(key));
+        }
+        return newDictionary;
+    }
+}