From 3321ba3981b2005f474983ec43ecbc216fdf0b0e Mon Sep 17 00:00:00 2001
From: Robert Vokac <robertvokac@nanoboot.org>
Date: Mon, 24 Jul 2023 17:43:24 +0200
Subject: [PATCH] Added new Java class FileUtils 2

---
 .../powerframework/io/utils/FileUtils.java    | 67 ++++++++++---------
 1 file changed, 36 insertions(+), 31 deletions(-)

diff --git a/power-io/src/main/java/org/nanoboot/powerframework/io/utils/FileUtils.java b/power-io/src/main/java/org/nanoboot/powerframework/io/utils/FileUtils.java
index 6d9a026..a813a4d 100644
--- a/power-io/src/main/java/org/nanoboot/powerframework/io/utils/FileUtils.java
+++ b/power-io/src/main/java/org/nanoboot/powerframework/io/utils/FileUtils.java
@@ -1,4 +1,3 @@
-
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // power-framework: Java library with many purposes of usage.
 // Copyright (C) 2023-2023 the original author or authors.
@@ -17,7 +16,6 @@
 // License along with this library; if not, write to the Free Software
 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 ///////////////////////////////////////////////////////////////////////////////////////////////
-
 package org.nanoboot.powerframework.io.utils;
 
 import java.io.File;
@@ -35,37 +33,44 @@ import java.util.stream.Collectors;
  * @author robertvokac
  */
 public class FileUtils {
+
     private FileUtils() {
         //Not meant to be instantiated.
     }
-    public static String readTextFromFile(File file) {
-    if (!file.exists()) {
-        return "";
-    }
-    try {
-        return new String(Files.readAllBytes(Paths.get(file.getAbsolutePath())));
-    } catch (IOException ex) {
-        throw new RuntimeException("Reading file failed: " + file.getName(), ex);
-    }
-}
-public static List<String> readLinesFromFile(File file) {
-    String content = readTextFromFile(file);
-    String[] lines = content.split("\\r?\\n|\\r");
-    return Arrays.stream(lines).filter(l -> !l.trim().isEmpty()).collect(
-            Collectors.toList());
-}
-public static void writeTextToFile(String text, File file) {
-    FileWriter fileWriter;
-    try {
-        fileWriter = new FileWriter(file);
-    } catch (IOException ex) {
-        ex.printStackTrace();
-        throw new RuntimeException("Writing to file failed: " + file.getName(), ex);
-    }
-    PrintWriter printWriter = new PrintWriter(fileWriter);
-    printWriter.print(text);
-    printWriter.close();
-}
 
- 
+    public static String readTextFromFile(File file) {
+        if (!file.exists()) {
+            return "";
+        }
+        try {
+            return new String(Files.readAllBytes(Paths.get(file.getAbsolutePath())));
+        } catch (IOException ex) {
+            throw new RuntimeException("Reading file failed: " + file.getName(), ex);
+        }
+    }
+
+    public static List<String> readLinesFromFile(File file) {
+        return readLinesFromFile(file, false);
+    }
+
+    public static List<String> readLinesFromFile(File file, boolean skipEmptyLines) {
+        String content = readTextFromFile(file);
+        String[] lines = content.split("\\r?\\n|\\r");
+        return Arrays.stream(lines).filter(l -> skipEmptyLines ? !l.trim().isEmpty() : true).collect(
+                Collectors.toList());
+    }
+
+    public static void writeTextToFile(String text, File file) {
+        FileWriter fileWriter;
+        try {
+            fileWriter = new FileWriter(file);
+        } catch (IOException ex) {
+            ex.printStackTrace();
+            throw new RuntimeException("Writing to file failed: " + file.getName(), ex);
+        }
+        PrintWriter printWriter = new PrintWriter(fileWriter);
+        printWriter.print(text);
+        printWriter.close();
+    }
+
 }