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Diffstat (limited to 'dcae-analytics-model/src/main/java/org/openecomp/dcae/apod/analytics/model/util/json/AnalyticsModelObjectMapperSupplier.java')
-rw-r--r-- | dcae-analytics-model/src/main/java/org/openecomp/dcae/apod/analytics/model/util/json/AnalyticsModelObjectMapperSupplier.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/dcae-analytics-model/src/main/java/org/openecomp/dcae/apod/analytics/model/util/json/AnalyticsModelObjectMapperSupplier.java b/dcae-analytics-model/src/main/java/org/openecomp/dcae/apod/analytics/model/util/json/AnalyticsModelObjectMapperSupplier.java new file mode 100644 index 0000000..75561a8 --- /dev/null +++ b/dcae-analytics-model/src/main/java/org/openecomp/dcae/apod/analytics/model/util/json/AnalyticsModelObjectMapperSupplier.java @@ -0,0 +1,112 @@ +/* + * ===============================LICENSE_START====================================== + * dcae-analytics + * ================================================================================ + * Copyright © 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.dcae.apod.analytics.model.util.json; + +import com.fasterxml.jackson.annotation.JsonInclude; +import com.fasterxml.jackson.databind.DeserializationFeature; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.google.common.base.Supplier; +import com.jayway.jsonpath.Configuration; +import com.jayway.jsonpath.JsonPath; +import com.jayway.jsonpath.Option; +import com.jayway.jsonpath.spi.json.JacksonJsonProvider; +import com.jayway.jsonpath.spi.json.JsonProvider; +import com.jayway.jsonpath.spi.mapper.JacksonMappingProvider; +import com.jayway.jsonpath.spi.mapper.MappingProvider; +import edu.umd.cs.findbugs.annotations.SuppressFBWarnings; + +import java.util.EnumSet; +import java.util.Set; + +/** + *<p> + * {@link Supplier} that can be used by clients to get Object Mapper which specializes + * in serialize and deserialize - DCAE Analytics Model JSON Objects. Clients can + * choose to memoize this Supplier for performance enhancements + * <br> + * NOTE: This supplier also setups up {@link JsonPath} default + * config to make use of this Supplier object mapper + *</p> + * @author Rajiv Singla . Creation Date: 11/10/2016. + */ +@SuppressFBWarnings("SIC_INNER_SHOULD_BE_STATIC_ANON") +public class AnalyticsModelObjectMapperSupplier implements Supplier<ObjectMapper> { + + @Override + public ObjectMapper get() { + + final ObjectMapper objectMapper = new ObjectMapper(); + + // Serialize null values + objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL); + + // Don't fail on unknown properties + objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); + + // Register Common Event Format Module + objectMapper.registerModule(new CommonEventFormatModule()); + // Register TCA Policy Module + objectMapper.registerModule(new TCAPolicyModule()); + // Register TCA Facade Module + objectMapper.registerModule(new TCAFacadeModelModule()); + + + // Setup JsonPath default config + setupJsonPathDefaultConfig(objectMapper); + + return objectMapper; + } + + + /** + * Setups up default Config for {@link JsonPath} + * + * @param objectMapper Jackson object mapper + */ + private void setupJsonPathDefaultConfig(final ObjectMapper objectMapper) { + + Configuration.setDefaults(new Configuration.Defaults() { + + private final JsonProvider jsonProvider = new JacksonJsonProvider(objectMapper); + private final MappingProvider mappingProvider = new JacksonMappingProvider(objectMapper); + + @Override + public JsonProvider jsonProvider() { + return jsonProvider; + } + + @Override + public MappingProvider mappingProvider() { + return mappingProvider; + } + + @Override + public Set<Option> options() { + + // Json Path exceptions are suppressed, also missing properties are tolerated + return EnumSet.of(Option.DEFAULT_PATH_LEAF_TO_NULL, Option.SUPPRESS_EXCEPTIONS); + } + }); + + + } + +} |