Migrate to Yamlbeans

Issue-ID: CLI-248

Signed-off-by: priyanka.akhade <priyanka.akhade@huawei.com>
Change-Id: I182c7a2e2f41bf09990e5b1ac0344f49af33e0c5

4 files changed, 34 insertions, 18 deletions

diff --git a/framework/src/main/java/org/onap/cli/fw/cmd/product/OnapProductsListCommand.java b/framework/src/main/java/org/onap/cli/fw/cmd/product/OnapProductsListCommand.java
index d0788c16..10d9c448 100644
--- a/framework/src/main/java/org/onap/cli/fw/cmd/product/OnapProductsListCommand.java
+++ b/framework/src/main/java/org/onap/cli/fw/cmd/product/OnapProductsListCommand.java
@@ -28,7 +28,6 @@ import org.onap.cli.fw.error.OnapCommandException;
 import org.onap.cli.fw.schema.OnapCommandSchema;
 import org.onap.cli.fw.schema.OnapCommandSchemaInfo;
 import org.onap.cli.fw.utils.OnapCommandDiscoveryUtils;
-import org.yaml.snakeyaml.Yaml;
 
 /**
  * Product list.
@@ -58,7 +57,7 @@ public class OnapProductsListCommand extends OnapCommand {
                     "/" + product + OnapCommandConstants.PRODUCT_REGISTRY_YAML);
 
             if (stream != null) {
-                Map<String, ?> map = (Map<String, ?>) new Yaml().load(stream);
+                Map<String, ?> map = OnapCommandDiscoveryUtils.loadYaml(stream);
                 Map<String, String> productMap = (Map<String, String>) map.get("product");
                 String description = (String) productMap.get(OnapCommandConstants.DESCRIPTION);
                 this.getResult().getRecordsMap().get("description").getValues().add(description.trim());
diff --git a/framework/src/main/java/org/onap/cli/fw/cmd/product/OnapServiceListCommand.java b/framework/src/main/java/org/onap/cli/fw/cmd/product/OnapServiceListCommand.java
index fa4f60b9..880f83ea 100644
--- a/framework/src/main/java/org/onap/cli/fw/cmd/product/OnapServiceListCommand.java
+++ b/framework/src/main/java/org/onap/cli/fw/cmd/product/OnapServiceListCommand.java
@@ -29,7 +29,6 @@ import org.onap.cli.fw.error.OnapCommandException;
 import org.onap.cli.fw.schema.OnapCommandSchema;
 import org.onap.cli.fw.schema.OnapCommandSchemaInfo;
 import org.onap.cli.fw.utils.OnapCommandDiscoveryUtils;
-import org.yaml.snakeyaml.Yaml;
 
 /**
  * Service list.
@@ -62,7 +61,7 @@ public class OnapServiceListCommand extends OnapCommand {
 
         Map<String, String> serviceDescs = new HashMap<>();
         if (stream != null) {
-            Map<String, ?> map = (Map<String, ?>) new Yaml().load(stream);
+            Map<String, ?> map = OnapCommandDiscoveryUtils.loadYaml(stream);
             if (map.containsKey("services")) {
                 List<Map<String, String>> services = (List) map.get("services");
 
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 a1a14745..41be2332 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
@@ -88,7 +88,6 @@ import org.onap.cli.fw.output.OnapCommandResultAttributeScope;
 import org.onap.cli.fw.utils.OnapCommandDiscoveryUtils;
 import org.onap.cli.fw.utils.OnapCommandUtils;
 import org.springframework.core.io.Resource;
-import org.yaml.snakeyaml.Yaml;
 
 public class OnapCommandSchemaLoader {
 
@@ -541,13 +540,7 @@ public class OnapCommandSchemaLoader {
      *             exception
      */
     public static Map<String, ?> loadSchema(InputStream stream, String schemaName) throws OnapCommandInvalidSchema  {
-        Map<String, ?> values = null;
-        try {
-            values = (Map<String, ?>) new Yaml().load(stream);
-        } catch (Exception e) {
-            throw new OnapCommandInvalidSchema(schemaName, e);
-        }
+        return OnapCommandDiscoveryUtils.loadYaml(stream);
 
-        return values;
     }
 }
diff --git a/framework/src/main/java/org/onap/cli/fw/utils/OnapCommandDiscoveryUtils.java b/framework/src/main/java/org/onap/cli/fw/utils/OnapCommandDiscoveryUtils.java
index 105f68dc..23c825e2 100644
--- a/framework/src/main/java/org/onap/cli/fw/utils/OnapCommandDiscoveryUtils.java
+++ b/framework/src/main/java/org/onap/cli/fw/utils/OnapCommandDiscoveryUtils.java
@@ -56,7 +56,8 @@ import org.onap.cli.fw.schema.OnapCommandSchemaInfo;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
 import org.springframework.core.io.support.ResourcePatternResolver;
-import org.yaml.snakeyaml.Yaml;
+import com.esotericsoftware.yamlbeans.YamlReader;
+import com.esotericsoftware.yamlbeans.YamlException;
 
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
@@ -64,7 +65,9 @@ import com.google.gson.stream.JsonReader;
 import java.io.FileReader;
 import java.io.Writer;
 import java.io.FileWriter;
-
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.FileInputStream;
 
 public class OnapCommandDiscoveryUtils {
     private static Gson gson = new GsonBuilder().serializeNulls().create();
@@ -216,7 +219,7 @@ public class OnapCommandDiscoveryUtils {
     public static Map<String, ?> loadSchema(Resource resource) throws OnapCommandInvalidSchema {
         Map<String, ?> values = null;
         try {
-            values = (Map<String, ?>) new Yaml().load(resource.getInputStream());
+            values = loadYaml(resource.getInputStream());
         } catch (Exception e) {
             throw new OnapCommandInvalidSchema(resource.getFilename(), e);
         }
@@ -306,7 +309,7 @@ public class OnapCommandDiscoveryUtils {
                         if (deafultResourceMap.containsKey(PARAMETERS)) {
                             List<Object> params = new ArrayList<>();
                             for (Map<String, ?> p: (List<Map<String, ?>>) deafultResourceMap.get(PARAMETERS)) {
-                                if (p.keySet().contains(IS_DEFAULT_PARAM) && !((Boolean) p.get(IS_DEFAULT_PARAM))) {
+                                if (p.keySet().contains(IS_DEFAULT_PARAM) && ! (Boolean.getBoolean(String.valueOf(p.get(IS_DEFAULT_PARAM))))) {
                                     params.add(p);
                                 }
                             }
@@ -542,7 +545,7 @@ public class OnapCommandDiscoveryUtils {
     public static Map<String, ?> loadYaml(Resource resource) throws OnapCommandInvalidSchema {
         Map<String, ?> values = null;
         try {
-            values = (Map<String, ?>) new Yaml().load(resource.getInputStream());
+            values = loadYaml(resource.getInputStream());
         } catch (Exception e) {
             throw new OnapCommandInvalidSchema(resource.getFilename(), e);
         }
@@ -560,11 +563,33 @@ public class OnapCommandDiscoveryUtils {
     public static Map<String, ?> loadYaml(String filePath) throws OnapCommandInvalidSchema {
         Map<String, ?> values = null;
         try {
-            values = (Map<String, Object>) new Yaml().load(FileUtils.readFileToString(new File(filePath)));
+            values = loadYaml(new FileInputStream(new File(filePath)));
         } catch (Exception e) {
             throw new OnapCommandInvalidSchema(filePath, e);
         }
         return values;
     }
+
+
+    /**
+     * Get schema map.
+     *
+     * @param inputStream
+     * @return map
+     * @throws OnapCommandInvalidSchema
+     *             exception
+     */
+    public static Map<String, ?> loadYaml(InputStream inputStream) throws OnapCommandInvalidSchema {
+        Map<String, ?> values = null;
+        try(InputStreamReader inputStreamReader = new InputStreamReader(inputStream);){
+            YamlReader reader = new YamlReader(inputStreamReader);
+            values = (Map<String, ?>) reader.read();
+            } catch (YamlException e) {
+                throw new OnapCommandInvalidSchema(inputStream.getClass().getName(),e.getMessage());
+            } catch (IOException e) {
+                throw new OnapCommandInvalidSchema(inputStream.getClass().getName(),e.getMessage());
+            }
+        return values;
+    }
 }