2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.sdc.vendorsoftwareproduct.services.schemagenerator;
23 import freemarker.template.Template;
24 import freemarker.template.TemplateException;
25 import org.openecomp.sdc.common.errors.CoreException;
26 import org.openecomp.sdc.common.errors.ErrorCategory;
27 import org.openecomp.sdc.common.errors.ErrorCode;
28 import org.openecomp.sdc.vendorsoftwareproduct.types.composition.CompositionEntityType;
29 import org.openecomp.sdc.vendorsoftwareproduct.types.schemagenerator.SchemaTemplateContext;
30 import org.openecomp.sdc.vendorsoftwareproduct.types.schemagenerator.SchemaTemplateInput;
32 import java.io.IOException;
33 import java.io.StringWriter;
34 import java.io.Writer;
36 public class SchemaGenerator {
37 public static final String SCHEMA_GENERATION_ERROR = "SCHEMA_GENERATION_ERROR";
42 * @param schemaTemplateContext the schema template context
43 * @param entityType the entity type
44 * @param input the input
47 public static String generate(SchemaTemplateContext schemaTemplateContext,
48 CompositionEntityType entityType, SchemaTemplateInput input) {
49 Template schemaTemplate =
50 SchemaGeneratorConfig.getSchemaTemplate(schemaTemplateContext, entityType);
51 return processTemplate(input, schemaTemplate);
54 private static String processTemplate(SchemaTemplateInput input, Template schemaTemplate) {
55 try (Writer writer = new StringWriter(1024)) {
56 schemaTemplate.process(input, writer);
57 return writer.toString();
58 } catch (IOException | TemplateException exception) {
59 throw new CoreException(
60 new ErrorCode.ErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION)
61 .withId(SCHEMA_GENERATION_ERROR).withMessage(exception.getMessage()).build());