Add SortingMode as array

store2store/src/main/java/com/playmoweb/store2store/utils/SortingMode.java

@@ -1,6 +1,9 @@
 package com.playmoweb.store2store.utils;
 
 
+import java.util.AbstractMap;
+import java.util.LinkedList;
+
 /**
  * Bind a key to a sorting mode
  * @author  Thibaud Giovannetti
@@ -9,11 +12,52 @@
  */
 public final class SortingMode {
     public static final SortingMode DEFAULT = new SortingMode("id", SortType.ASCENDING);
-    public final String key;
-    public final SortType sort;
+    public final LinkedList<AbstractMap.SimpleEntry<String, SortType>> entries = new LinkedList<>();
+
+    public SortingMode(String key, SortType sortType) {
+        and(key, sortType);
+    }
+
+    /**
+     * Create a list of Sorting rules with the same SortType
+     */
+    public SortingMode(String[] keys, SortType sortType) {
+        for(String k : keys){
+            if(k != null){
+                this.and(k, sortType);
+            }
+        }
+    }
+
+    /**
+     * Create a list of Sorting rules mapped by position in array
+     * @warn    If the arrays have a different size, an exception will be throw
+     */
+    public SortingMode(String[] keys, SortType[] sortTypes) {
+        if(keys.length != sortTypes.length){
+            throw new IllegalArgumentException("The String[] (keys) and the SortType[] arrays must have the same size");
+        }
+
+        for (int i = 0; i < keys.length; i++) {
+            if(keys[i] != null && sortTypes[i] != null){
+                and(keys[i], sortTypes[i]);
+            }
+        }
+    }
+
+    /**
+     * Add a sort rule
+     * @note    This rule is always added at the end and will apply after previous ones.
+     */
+    public SortingMode and(String key, SortType sortType){
+        entries.add(new AbstractMap.SimpleEntry<>(key, sortType));
+        return this;
+    }
 
-    public SortingMode(String k, SortType s) {
-        key = k;
-        sort = s;
+    /**
+     * Build a new SortingMode object to allow static chaining
+     */
+    public static SortingMode with(String key, SortType sortType){
+        return new SortingMode(key, sortType);
     }
 }