1 files changed, 44 insertions, 2 deletions
diff --git a/utils/src/main/java/org/onap/policy/common/utils/coder/Coder.java b/utils/src/main/java/org/onap/policy/common/utils/coder/Coder.java
index bb51f2b9..3049a5c2 100644
--- a/utils/src/main/java/org/onap/policy/common/utils/coder/Coder.java
+++ b/utils/src/main/java/org/onap/policy/common/utils/coder/Coder.java
@@ -1,8 +1,8 @@
 /*
  * ============LICENSE_START=======================================================
- * ONAP PAP
+ * ONAP
  * ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -32,6 +32,37 @@ import java.io.Writer;
 public interface Coder {
 
     /**
+     * Converts an object/POJO to an object of the given type.
+     *
+     * @param <T> desired type
+     * @param source source object
+     * @param clazz class of the desired object type
+     * @return the converted object
+     * @throws CoderException if an error occurs
+     */
+    default <S, T> T convert(S source, Class<T> clazz) throws CoderException {
+        if (source == null) {
+            return null;
+
+        } else if (clazz == source.getClass()) {
+            // same class - just cast it
+            return clazz.cast(source);
+
+        } else if (clazz == String.class) {
+            // target is a string - just encode the source
+            return (clazz.cast(encode(source)));
+
+        } else if (source.getClass() == String.class) {
+            // source is a string - just decode it
+            return decode(source.toString(), clazz);
+
+        } else {
+            // do it the long way: encode to a string and then decode the string
+            return decode(encode(source), clazz);
+        }
+    }
+
+    /**
      * Encodes an object into json.
      *
      * @param object object to be encoded
@@ -41,6 +72,17 @@ public interface Coder {
     String encode(Object object) throws CoderException;
 
     /**
+     * Encodes an object into json, optionally making it "pretty".
+     *
+     * @param object object to be encoded
+     * @param pretty {@code true} if it should be encoded as "pretty" json, {@code false}
+     *        otherwise
+     * @return a json string representing the object
+     * @throws CoderException if an error occurs
+     */
+    String encode(Object object, boolean pretty) throws CoderException;
+
+    /**
      * Encodes an object into json, writing to the given target.
      *
      * @param target target to which to write the encoded json