Bael 2434 (#6635)

* BAEL-2434

* BAEL-2434

* Minor alterations to reflect changes in the article

* Fixing Spel expression and removing extra code that is not referenced anymore in the article

* Moved the files from spring-core to spring-static-resources. Renamed ResourceUtil to ResourceReader.

* Changes due to change of article outline.

* Changes due to change of article outline.

* Removing Converter from article

spring-static-resources/src/main/java/com/baeldung/loadresourceasstring/ResourceReader.java

@@ -0,0 +1,30 @@
+package com.baeldung.loadresourceasstring;
+
+import org.springframework.core.io.DefaultResourceLoader;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.util.FileCopyUtils;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.io.UncheckedIOException;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+
+public class ResourceReader {
+
+    public static String readFileToString(String path) {
+        ResourceLoader resourceLoader = new DefaultResourceLoader();
+        Resource resource = resourceLoader.getResource(path);
+        return asString(resource);
+    }
+
+    public static String asString(Resource resource) {
+        try (Reader reader = new InputStreamReader(resource.getInputStream(), UTF_8)) {
+            return FileCopyUtils.copyToString(reader);
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
+    }
+}