[#83] Add simple tool to encrypt text

To be used in a development process.

micro-infra-spring-property/src/test/groovy/com/ofg/infrastructure/property/decrypt/EncryptorTestUtil.groovy

@@ -1,16 +1,61 @@
 package com.ofg.infrastructure.property.decrypt
 
+import groovy.transform.CompileStatic
+import groovy.transform.PackageScope
+import groovy.transform.ToString
+import groovy.transform.TupleConstructor
 import org.springframework.boot.builder.SpringApplicationBuilder
 import org.springframework.security.crypto.encrypt.TextEncryptor
 
+/**
+ * Simple encryption test util.
+ *
+ * Note. The class shouldn't be reused as it does not do required clean up and can pollute JVM
+ */
+@PackageScope
+@CompileStatic
 class EncryptorTestUtil {
 
     static void main(String[] args) {
-        System.setProperty("encrypt.key", "eKey")
+        EncryptionInputData inputData = prepareImputData(args)
+        println "Encrypted text: ${decryptAndReturn(inputData)}"
+    }
+
+    private static String decryptAndReturn(EncryptionInputData inputData) {
+        System.setProperty("encrypt.key", inputData.encryptKey)
         System.setProperty("APP_ENV", "prod")
         System.setProperty("countryCode", "pl")
-        def context = new SpringApplicationBuilder(DecryptingPropertyTestApp).web(false).run()
+
+        def context = new SpringApplicationBuilder(DecryptingPropertyTestApp).web(false).showBanner(false).run()
         def encryptor = context.getBean(TextEncryptor)
-        println "Encrypted: ${encryptor.encrypt("value to encrypt")}"
+
+        encryptor.encrypt(inputData.textToEncrypt)
+    }
+
+    private static EncryptionInputData prepareImputData(String[] args) {
+        if (args.length == 2) {
+            new EncryptionInputData(args[0], args[1])
+        } else {
+            createUtilUsingParametersFromConsole()
+        }
+    }
+
+    private static EncryptionInputData createUtilUsingParametersFromConsole() {
+        def reader = new BufferedReader(new InputStreamReader(System.in))   //System.console() returns null from Idea
+
+        print "Enter encryption key: "
+        def key = reader.readLine()
+
+        print "Enter text to encrypt: "
+        def text = reader.readLine()
+
+        new EncryptionInputData(key, text)
+    }
+
+    @ToString
+    @TupleConstructor
+    private static class EncryptionInputData {
+        String encryptKey
+        String textToEncrypt
     }
 }