Add workaround to avoid ByteBufferRandomAccessSource usage by setting up default force read value

DEVSIX-6279

Author: Alexander Kozlov

io/src/main/java/com/itextpdf/io/source/RandomAccessSourceFactory.java

@@ -60,11 +60,15 @@ This file is part of the iText (R) project.
  */
 public final class RandomAccessSourceFactory {
 
+    /**
+     * The default value for the forceRead flag
+     */
+    private static boolean forceReadDefaultValue = false;
 
     /**
      * Whether the full content of the source should be read into memory at construction
      */
-    private boolean forceRead = false;
+    private boolean forceRead = forceReadDefaultValue;
 
     /**
      * Whether {@link java.io.RandomAccessFile} should be used instead of a {@link java.nio.channels.FileChannel}, where applicable
@@ -82,6 +86,14 @@ public final class RandomAccessSourceFactory {
     public RandomAccessSourceFactory() {
     }
 
+    /**
+     * Determines the default value for the forceRead flag
+     * @param forceRead true if by default the full content will be read, false otherwise
+     */
+    public static void setForceReadDefaultValue(boolean forceRead) {
+        forceReadDefaultValue = forceRead;
+    }
+
     /**
      * Determines whether the full content of the source will be read into memory
      * @param forceRead true if the full content will be read, false otherwise