diff options
Diffstat (limited to 'aai-els-onap-logging/src/main/java/org/onap/aai/util/MapperUtil.java')
-rw-r--r-- | aai-els-onap-logging/src/main/java/org/onap/aai/util/MapperUtil.java | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/aai-els-onap-logging/src/main/java/org/onap/aai/util/MapperUtil.java b/aai-els-onap-logging/src/main/java/org/onap/aai/util/MapperUtil.java new file mode 100644 index 00000000..d856999e --- /dev/null +++ b/aai-els-onap-logging/src/main/java/org/onap/aai/util/MapperUtil.java @@ -0,0 +1,122 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Modifications Copyright © 2018 IBM. + * ================================================================================ + * 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.onap.aai.util; + +import com.fasterxml.jackson.annotation.JsonInclude; +import com.fasterxml.jackson.databind.DeserializationFeature; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.SerializationFeature; +import com.fasterxml.jackson.module.jaxb.JaxbAnnotationModule; +import org.onap.aai.exceptions.AAIException; + +public class MapperUtil { + + /** + * Instantiates MapperUtil. + */ + private MapperUtil() { + // prevent instantiation + } + + /** + * Read as object of. + * + * @param <T> the generic type + * @param clazz the clazz + * @param value the value + * @return the t + * @throws AAIException the AAI exception + */ + public static <T> T readAsObjectOf(Class<T> clazz, String value) throws AAIException { + ObjectMapper mapper = new ObjectMapper(); + try { + return mapper.readValue(value, clazz); + } catch (Exception e) { + throw new AAIException("AAI_4007", e); + } + } + + /** + * Read with dashes as object of. + * + * @param <T> the generic type + * @param clazz the clazz + * @param value the value + * @return the t + * @throws AAIException the AAI exception + */ + public static <T> T readWithDashesAsObjectOf(Class<T> clazz, String value) throws AAIException { + ObjectMapper mapper = new ObjectMapper(); + try { + mapper.registerModule(new JaxbAnnotationModule()); + mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); + mapper.configure(DeserializationFeature.UNWRAP_ROOT_VALUE, false); + + return mapper.readValue(value, clazz); + } catch (Exception e) { + throw new AAIException("AAI_4007", e); + } + } + + /** + * Write as JSON string. + * + * @param obj the obj + * @return the string + * @throws AAIException the AAI exception + */ + public static String writeAsJSONString(Object obj) throws AAIException { + ObjectMapper mapper = new ObjectMapper(); + try { + return mapper.writeValueAsString(obj); + } catch (Exception e) { + throw new AAIException("AAI_4008", e); + } + } + + /** + * Write as JSON string with dashes. + * + * @param obj the obj + * @return the string + * @throws AAIException the AAI exception + */ + public static String writeAsJSONStringWithDashes(Object obj) throws AAIException { + ObjectMapper mapper = new ObjectMapper(); + try { + mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL); + + mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false); + mapper.configure(SerializationFeature.INDENT_OUTPUT, false); + mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, false); + + mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); + mapper.configure(DeserializationFeature.UNWRAP_ROOT_VALUE, false); + + mapper.registerModule(new JaxbAnnotationModule()); + return mapper.writeValueAsString(obj); + } catch (Exception e) { + throw new AAIException("AAI_4008", e); + } + } +} |