+ turn the lists into maps.

src/com/olexyn/ensync/Tools.java

@@ -6,7 +6,7 @@ import java.io.*;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.util.ArrayList;
-import java.util.Iterator;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -19,9 +19,6 @@ public class Tools {
     }
 
 
-
-
-
     /**
      * Convert BufferedReader to String.
      *
@@ -54,8 +51,6 @@ public class Tools {
     }
 
 
-
-
     public List<String> fileToLines(File file) {
         String filePath = file.getPath();
         List<String> lines = null;
@@ -68,28 +63,17 @@ public class Tools {
     }
 
 
+    public Map<String, SyncFile> mapMinus(Map<String, SyncFile> fromA, Map<String, SyncFile> substractB) {
 
-
+        Map<String, SyncFile> difference = new HashMap<>();
-
+        for (Map.Entry<String, SyncFile> entry : fromA.entrySet()) {
-    public List<SyncFile> mapMinus(Map<String, SyncFile> fromA,
+            String key = entry.getKey();
-                                   Map<String, SyncFile> substractB) {
-
-        List<SyncFile> difference = new ArrayList<>();
-        Iterator iterator = fromA.entrySet().iterator();
-        while (iterator.hasNext()) {
-            Map.Entry entry = (Map.Entry) iterator.next();
-            String key = (String) entry.getKey();
-            //String path
-
-
-
 
             if (fromA.containsKey(key) && !substractB.containsKey(key)) {
                 SyncFile file = fromA.get(key);
-                difference.add(file);
+                difference.put(key, file);
             }
 
-
         }
         return difference;
     }
@@ -110,8 +94,7 @@ public class Tools {
      * @param path <i>String</i>
      * @param sb   <i>StringBuilder</i>
      */
-    public void writeSbToFile(String path,
+    public void writeSbToFile(String path, StringBuilder sb) {
-                              StringBuilder sb) {
         try {
             BufferedWriter bw = new BufferedWriter(new FileWriter(new File(path)));
             bw.write(sb.toString());
@@ -128,13 +111,14 @@ public class Tools {
      * @param path <i>String</i>
      * @param list <i>StringBuilder</i>
      */
-    public void writeStringListToFile(String path,
+    public void writeStringListToFile(String path, List<String> list) {
-                                      List<String> list) {
         File file = new File(path);
         File parent = new File(file.getParent());
-        if (!parent.exists()){
+        if (!parent.exists()) {
 
-            x.execute(new String[]{"mkdir", "-p", parent.getPath()});
+            x.execute(new String[]{"mkdir",
+                                   "-p",
+                                   parent.getPath()});
         }
 
 

src/com/olexyn/ensync/artifacts/SyncDirectory.java

@@ -21,9 +21,9 @@ public class SyncDirectory {
     private SyncMap syncMap;
     public String path = null;
 
-    public List<SyncFile> listCreated = new ArrayList<>();
+    public Map<String, SyncFile> listCreated = new HashMap<>();
-    public List<SyncFile> listDeleted = new ArrayList<>();
+    public Map<String, SyncFile> listDeleted = new HashMap<>();
-    public List<SyncFile> listModified = new ArrayList<>();
+    public Map<String, SyncFile> listModified = new HashMap<>();
 
 
     Tools tools = new Tools();
@@ -115,9 +115,7 @@ public class SyncDirectory {
         Map<String, SyncFile> substractB = readFreshState();
 
         listDeleted = tools.mapMinus(fromA, substractB);
-
+        
-
-
     }
 
 
@@ -125,9 +123,9 @@ public class SyncDirectory {
      * Compare the OLD and NEW pools.
      * List is cleared and created each time.
      */
-    public List<SyncFile> makeListModified() {
+    public Map<String, SyncFile> makeListModified() {
 
-        listModified = new ArrayList<>();
+        listModified.clear();
         Map<String, SyncFile> stateFileMap = readStateFile();
 
         for (var freshFileEntry : readFreshState().entrySet()) {
@@ -141,7 +139,7 @@ public class SyncDirectory {
             if (stateFileMap.containsKey(freshFileKey)) {
 
                 if (freshFile.getTimeModified() > freshFile.getTimeModifiedFromStateFile()) {
-                    listModified.add(freshFile);
+                    listModified.put(freshFileKey, freshFile);
                 }
             }
         }
@@ -206,7 +204,8 @@ public class SyncDirectory {
 
     public void doCreate() {
 
-        for (SyncFile createdFile : listCreated) {
+        for (var entry : listCreated.entrySet()) {
+            SyncFile createdFile = entry.getValue();
 
             for (var otherEntry : syncMap.syncDirectories.entrySet()) {
                 SyncDirectory otherSD = otherEntry.getValue();
@@ -226,7 +225,8 @@ public class SyncDirectory {
      */
     public void doDelete() {
 
-        for (SyncFile deletedFile : listDeleted) {
+        for (var entry: listDeleted.entrySet()) {
+            SyncFile deletedFile = entry.getValue();
 
             for (var otherEntry : syncMap.syncDirectories.entrySet()) {
                 SyncDirectory otherSD = otherEntry.getValue();
@@ -255,7 +255,8 @@ public class SyncDirectory {
 
     public void doModify() {
 
-        for (SyncFile modifiedFile : this.listModified) {
+        for (var entry : listModified.entrySet()) {
+            SyncFile modifiedFile = entry.getValue();
 
             for (var otherEntry : syncMap.syncDirectories.entrySet()) {
                 SyncDirectory otherSD = otherEntry.getValue();