1 files changed, 76 insertions, 0 deletions
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/services/ServiceTemplateReaderServiceImpl.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/services/ServiceTemplateReaderServiceImpl.java
new file mode 100644
index 0000000000..fa8532546c
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/services/ServiceTemplateReaderServiceImpl.java
@@ -0,0 +1,76 @@
+package org.openecomp.core.impl.services;
+
+import org.openecomp.core.converter.ServiceTemplateReaderService;
+import org.openecomp.sdc.common.errors.CoreException;
+import org.openecomp.sdc.common.errors.ErrorCategory;
+import org.openecomp.sdc.common.errors.ErrorCode;
+import org.openecomp.sdc.tosca.services.YamlUtil;
+import org.yaml.snakeyaml.error.YAMLException;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+import static org.openecomp.core.converter.datatypes.Constants.*;
+
+public class ServiceTemplateReaderServiceImpl implements ServiceTemplateReaderService {
+
+  private Map<String, Object> readServiceTemplate = new HashMap<>();
+
+  public ServiceTemplateReaderServiceImpl(byte[] serviceTemplateContent){
+    this.readServiceTemplate = readServiceTemplate(serviceTemplateContent);
+  }
+
+  @Override
+  public Map<String, Object> readServiceTemplate(byte[] serviceTemplateContent) {
+
+    Map<String, Object> readSt =
+        new YamlUtil().yamlToObject(new String(serviceTemplateContent), Map.class);
+
+    return readSt;
+  }
+
+  @Override
+  public Object getMetadata(){
+    return this.readServiceTemplate.get(metadata);
+  }
+
+  @Override
+  public Object getToscaVersion(){
+    return this.readServiceTemplate.get(definitionVersion);
+  }
+
+  @Override
+  public Object getNodeTypes(){
+    return this.readServiceTemplate.get(nodeTypes);
+  }
+
+  @Override
+  public Object getTopologyTemplate(){
+    return this.readServiceTemplate.get(topologyTemplate);
+  }
+
+  @Override
+  public Map<String, Object> getNodeTemplates(){
+    return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
+        : (Map<String, Object>) ((Map<String, Object>)this.getTopologyTemplate()).get(nodeTemplates);
+  }
+
+  @Override
+  public Map<String, Object> getInputs(){
+    return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
+        : (Map<String, Object>) ((Map<String, Object>)this.getTopologyTemplate()).get(inputs);
+  }
+
+  @Override
+  public Map<String, Object> getOutputs(){
+    return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
+        : (Map<String, Object>) ((Map<String, Object>)this.getTopologyTemplate()).get(outputs);
+  }
+
+  @Override
+  public Map<String, Object> getSubstitutionMappings(){
+    return Objects.isNull(this.getTopologyTemplate()) ? new HashMap<>()
+        : (Map<String, Object>) ((Map<String, Object>)this.getTopologyTemplate()).get(substitutionMappings);
+  }
+}