diff options
Diffstat (limited to 'openecomp-be/lib/openecomp-sdc-vendor-software-product-lib/openecomp-sdc-vendor-software-product-api/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/services/schemagenerator/SchemaGeneratorConfig.java')
1 files changed, 154 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/SchemaGeneratorConfig.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/SchemaGeneratorConfig.java new file mode 100644 index 0000000000..3937ca2f2e --- /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/SchemaGeneratorConfig.java @@ -0,0 +1,154 @@ +/*- + * ============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.cache.StringTemplateLoader; +import freemarker.template.Configuration; +import freemarker.template.Template; +import freemarker.template.TemplateExceptionHandler; +import org.openecomp.core.utilities.applicationconfig.ApplicationConfig; +import org.openecomp.core.utilities.applicationconfig.ApplicationConfigFactory; +import org.openecomp.core.utilities.applicationconfig.type.ConfigurationData; +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 java.io.File; +import java.io.IOException; +import java.util.HashMap; +import java.util.Map; + +public class SchemaGeneratorConfig { + public static final String SCHEMA_GENERATOR_INITIALIZATION_ERROR = + "SCHEMA_GENERATOR_INITIALIZATION_ERROR"; + public static final String SCHEMA_GENERATOR_INITIALIZATION_ERROR_MSG = + "Error occurred while loading questionnaire schema schemaTemplates"; + private static final String CONFIGURATION_NAMESPACE = "vsp.schemaTemplates"; + private static Map<SchemaTemplateId, SchemaTemplate> schemaTemplates = new HashMap<>(); + private static ApplicationConfig applicationConfig = + ApplicationConfigFactory.getInstance().createInterface(); + + private static Configuration configuration = new Configuration(Configuration.VERSION_2_3_23); + private static StringTemplateLoader stringLoader = new StringTemplateLoader(); + + static { + configuration.setClassLoaderForTemplateLoading(SchemaGenerator.class.getClassLoader(), + File.pathSeparator); + configuration.setDefaultEncoding("UTF-8"); + configuration.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER); + configuration.setLogTemplateExceptions(true); + configuration.setTemplateLoader(stringLoader); + } + + public static void insertSchemaTemplate(SchemaTemplateContext schemaTemplateContext, + CompositionEntityType entityType, + String schemaTemplateString) { + applicationConfig.insertValue(CONFIGURATION_NAMESPACE, + new SchemaTemplateId(schemaTemplateContext, entityType).toString(), schemaTemplateString); + } + + /** + * Gets schema template. + * + * @param schemaTemplateContext the schema template context + * @param entityType the entity type + * @return the schema template + */ + public static Template getSchemaTemplate(SchemaTemplateContext schemaTemplateContext, + CompositionEntityType entityType) { + SchemaTemplateId id = new SchemaTemplateId(schemaTemplateContext, entityType); + ConfigurationData configurationData = + applicationConfig.getConfigurationData(CONFIGURATION_NAMESPACE, id.toString()); + + SchemaTemplate schemaTemplate = schemaTemplates.get(id); + if (schemaTemplate == null || schemaTemplate.timestamp != configurationData.getTimeStamp()) { + stringLoader.putTemplate(id.toString(), configurationData.getValue()); + Template template; + try { + template = configuration.getTemplate(id.toString()); + } catch (IOException exception) { + throw new CoreException( + new ErrorCode.ErrorCodeBuilder().withCategory(ErrorCategory.APPLICATION) + .withId(SCHEMA_GENERATOR_INITIALIZATION_ERROR) + .withMessage(SCHEMA_GENERATOR_INITIALIZATION_ERROR_MSG).build(), exception); + } + schemaTemplate = new SchemaTemplate(template, configurationData.getTimeStamp()); + schemaTemplates.put(id, schemaTemplate); + } + return schemaTemplate.template; + } + + private static class SchemaTemplateId { + private SchemaTemplateContext context; + private CompositionEntityType entityType; + + public SchemaTemplateId(SchemaTemplateContext context, CompositionEntityType entityType) { + this.context = context; + this.entityType = entityType; + } + + @Override + public String toString() { + return context + "." + entityType; + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + + SchemaTemplateId that = (SchemaTemplateId) obj; + + if (entityType != that.entityType) { + return false; + } + if (context != that.context) { + return false; + } + + return true; + } + + @Override + public int hashCode() { + int result = entityType != null ? entityType.hashCode() : 0; + result = 31 * result + (context != null ? context.hashCode() : 0); + return result; + } + } + + private static class SchemaTemplate { + private Template template; + private long timestamp; + + public SchemaTemplate(Template template, long timestamp) { + this.template = template; + this.timestamp = timestamp; + } + } + +} |