Add yaml format support for printing result

Issue-ID: CLI-66

Change-Id: I38cee498c98b78a1767a700c029dbcb310a6f727
Signed-off-by: Kanagaraj Manickam k00365106 <kanagaraj.manickam@huawei.com>

3 files changed, 33 insertions, 13 deletions

diff --git a/framework/pom.xml b/framework/pom.xml
index acf82f45..5230beae 100644
--- a/framework/pom.xml
+++ b/framework/pom.xml
@@ -82,7 +82,12 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.6.3</version>
+            <version>2.9.3</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-yaml</artifactId>
+            <version>2.9.3</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/framework/src/main/java/org/onap/cli/fw/output/print/OnapCommandPrint.java b/framework/src/main/java/org/onap/cli/fw/output/print/OnapCommandPrint.java
index 389aee36..0c0c5a12 100644
--- a/framework/src/main/java/org/onap/cli/fw/output/print/OnapCommandPrint.java
+++ b/framework/src/main/java/org/onap/cli/fw/output/print/OnapCommandPrint.java
@@ -28,12 +28,16 @@ import java.util.StringTokenizer;
 
 import org.apache.commons.csv.CSVFormat;
 import org.apache.commons.csv.CSVPrinter;
+import org.onap.cli.fw.conf.OnapCommandConstants;
 import org.onap.cli.fw.error.OnapCommandOutputPrintingFailed;
 import org.onap.cli.fw.output.OnapCommandPrintDirection;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;
+
 import net.minidev.json.JSONArray;
 import net.minidev.json.JSONObject;
-
 /**
  * Oclip Command Table print.
  *
@@ -249,19 +253,30 @@ public class OnapCommandPrint {
         JSONArray array = new JSONArray();
 
         //skip first row title
+        List<Object> titleRow = rows.get(0);
+
         for (int i=1; i<rows.size(); i++) {
             JSONObject rowO = new JSONObject();
-            for (Object col: rows.get(0)) {
-                rowO.put(col.toString(), rows.get(i).toString());
+
+            for (int j=0; j<titleRow.size(); j++) {
+                rowO.put(titleRow.get(j).toString(), rows.get(i).get(j).toString());
             }
+
             array.add(rowO);
         }
 
-        return array.toJSONString();
+        JSONObject json = new JSONObject();
+        json.put(OnapCommandConstants.RESULTS, array);
+        return json.toJSONString();
     }
 
-    public String printYaml() {
-        // (mrkanag) print in yaml
-        return null;
+    public String printYaml() throws OnapCommandOutputPrintingFailed {
+        try {
+            return new YAMLMapper().writeValueAsString(new ObjectMapper().readTree(this.printJson()));
+        } catch (JsonProcessingException e) {
+            throw new OnapCommandOutputPrintingFailed(e);  // NOSONAR
+        } catch (IOException e) {
+            throw new OnapCommandOutputPrintingFailed(e);  // NOSONAR
+        }
     }
 }
diff --git a/framework/src/main/java/org/onap/cli/fw/schema/OnapCommandSchemaLoader.java b/framework/src/main/java/org/onap/cli/fw/schema/OnapCommandSchemaLoader.java
index 8aea883e..28597443 100644
--- a/framework/src/main/java/org/onap/cli/fw/schema/OnapCommandSchemaLoader.java
+++ b/framework/src/main/java/org/onap/cli/fw/schema/OnapCommandSchemaLoader.java
@@ -113,10 +113,10 @@ public class OnapCommandSchemaLoader {
             throw new OnapCommandSchemaNotFound(schemaName, e);
         }
         if (inputStream == null) {
-            inputStream = OnapCommandSchemaLoader.loadSchemaFromFile(schemaName);
+            inputStream = loadSchemaFromFile(schemaName);
         }
 
-        Map<String, ?> values = OnapCommandSchemaLoader.loadSchema(inputStream, schemaName);
+        Map<String, ?> values = loadSchema(inputStream, schemaName);
         String schemaVersion = "";
         if (values.keySet().contains(OPEN_CLI_SCHEMA_VERSION)) {
             Object obj = values.get(OPEN_CLI_SCHEMA_VERSION);
@@ -151,13 +151,13 @@ public class OnapCommandSchemaLoader {
                     defaultParameterMap.remove(OnapCommandConstants.INFO);
                 }
 
-                errors.addAll(OnapCommandSchemaLoader.parseSchema(cmd, defaultParameterMap, validateSchema));
+                errors.addAll(parseSchema(cmd, defaultParameterMap, validateSchema));
             }
 
             Map<String, List<Map<String, String>>> commandYamlMap =
                     (Map<String, List<Map<String, String>>>)validateSchemaVersion(schemaName, cmd.getSchemaVersion());
 
-            errors.addAll(OnapCommandSchemaLoader.parseSchema(cmd, commandYamlMap, validateSchema));
+            errors.addAll(parseSchema(cmd, commandYamlMap, validateSchema));
 
             return errors;
         } catch (OnapCommandException e) {
@@ -521,7 +521,7 @@ public class OnapCommandSchemaLoader {
      */
     public static Map<String, ?> loadSchema(Resource resource) throws OnapCommandInvalidSchema {
         try {
-            return  OnapCommandSchemaLoader.loadSchema(resource.getInputStream(), resource.getFilename());
+            return  loadSchema(resource.getInputStream(), resource.getFilename());
         } catch (IOException e) {
             throw new OnapCommandInvalidSchema(resource.getFilename(), e);
         }