1 files changed, 64 insertions, 0 deletions
diff --git a/openecomp-be/lib/openecomp-sdc-vendor-software-product-lib/openecomp-sdc-vendor-software-product-api/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/services/schemagenerator/SchemaGenerator.java b/openecomp-be/lib/openecomp-sdc-vendor-software-product-lib/openecomp-sdc-vendor-software-product-api/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/services/schemagenerator/SchemaGenerator.java
new file mode 100644
index 0000000000..6b1837fa10
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-vendor-software-product-lib/openecomp-sdc-vendor-software-product-api/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/services/schemagenerator/SchemaGenerator.java
@@ -0,0 +1,64 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 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.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.vendorsoftwareproduct.services.schemagenerator;
+
+import freemarker.template.Template;
+import freemarker.template.TemplateException;
+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.vendorsoftwareproduct.types.composition.CompositionEntityType;
+import org.openecomp.sdc.vendorsoftwareproduct.types.schemagenerator.SchemaTemplateContext;
+import org.openecomp.sdc.vendorsoftwareproduct.types.schemagenerator.SchemaTemplateInput;
+
+import java.io.IOException;
+import java.io.StringWriter;
+import java.io.Writer;
+
+public class SchemaGenerator {
+  public static final String SCHEMA_GENERATION_ERROR = "SCHEMA_GENERATION_ERROR";
+
+  /**
+   * Generate string.
+   *
+   * @param schemaTemplateContext the schema template context
+   * @param entityType            the entity type
+   * @param input                 the input
+   * @return the string
+   */
+  public static String generate(SchemaTemplateContext schemaTemplateContext,
+                                CompositionEntityType entityType, SchemaTemplateInput input) {
+    Template schemaTemplate =
+        SchemaGeneratorConfig.getSchemaTemplate(schemaTemplateContext, entityType);
+    return processTemplate(input, schemaTemplate);
+  }
+
+  private static String processTemplate(SchemaTemplateInput input, Template schemaTemplate) {
+    try (Writer writer = new StringWriter(1024)) {
+      schemaTemplate.process(input, writer);
+      return writer.toString();
+    } catch (IOException | TemplateException exception) {
+      throw new CoreException(
+          new ErrorCode.ErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION)
+              .withId(SCHEMA_GENERATION_ERROR).withMessage(exception.getMessage()).build());
+    }
+  }
+}