Merge pull request #7910 from mnafshin/MalformedInputException

[BAEL-2505] MalformedInputException test functions are added

core-java-modules/core-java/src/main/java/com/baeldung/encoding/CharacterEncodingExamples.java

@@ -1,10 +1,15 @@
 package com.baeldung.encoding;
 
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.UnsupportedEncodingException;
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetDecoder;
+import java.nio.charset.CodingErrorAction;
 
 public class CharacterEncodingExamples {
 
@@ -29,4 +34,12 @@ public class CharacterEncodingExamples {
         }
         return buffer.toString();
     }
+
+    static String decodeText(String input, Charset charset, CodingErrorAction codingErrorAction) throws IOException {
+        CharsetDecoder charsetDecoder = charset.newDecoder();
+        charsetDecoder.onMalformedInput(codingErrorAction);
+        return new BufferedReader(
+          new InputStreamReader(
+            new ByteArrayInputStream(input.getBytes()), charsetDecoder)).readLine();
+    }
 }