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;
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.schemagenerator.SchemaTemplateContext;
29 import org.openecomp.sdc.vendorsoftwareproduct.types.schemagenerator.SchemaTemplateInput;
31 import java.io.IOException;
32 import java.io.StringWriter;
33 import java.io.Writer;
36 * The type Schema generator.
38 public class SchemaGenerator {
40 * The constant SCHEMA_GENERATION_ERROR.
42 public static final String SCHEMA_GENERATION_ERROR = "SCHEMA_GENERATION_ERROR";
47 * @param schemaTemplateContext the schema template context
48 * @param entityType the entity type
49 * @param input the input
52 public static String generate(SchemaTemplateContext schemaTemplateContext,
53 org.openecomp.sdc.vendorsoftwareproduct.types.composition.CompositionEntityType entityType,
54 SchemaTemplateInput input) {
55 Template schemaTemplate =
56 SchemaGeneratorConfig.getSchemaTemplate(schemaTemplateContext, entityType);
57 return processTemplate(input, schemaTemplate);
60 private static String processTemplate(SchemaTemplateInput input, Template schemaTemplate) {
61 try (Writer writer = new StringWriter(1024)) {
62 schemaTemplate.process(input, writer);
63 return writer.toString();
64 } catch (IOException | TemplateException exception) {
65 throw new CoreException(
66 new ErrorCode.ErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION)
67 .withId(SCHEMA_GENERATION_ERROR).withMessage(exception.getMessage()).build());