diff options
author | 2022-01-18 21:57:46 +0530 | |
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committer | 2022-01-25 21:55:25 +0530 | |
commit | 05e7b8a207b1c641468e77d754fe1a5ae9e1a51e (patch) | |
tree | b0df8d9b8a08ca001120d6fa544f1e2c5da4f59d /cps-service/src/main | |
parent | db1e983f40be1db7bca5acacf5a3369d74a29c95 (diff) |
Replace gson mapper with jackson mapper
We introduced JsonObjectMapper (wapper) as Spring component.
Issue-ID: CPS-751
Change-Id: I536b0771a3a263325e6907717baf6941d70c0d6c
Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>
Diffstat (limited to 'cps-service/src/main')
-rw-r--r-- | cps-service/src/main/java/org/onap/cps/utils/JsonObjectMapper.java | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/cps-service/src/main/java/org/onap/cps/utils/JsonObjectMapper.java b/cps-service/src/main/java/org/onap/cps/utils/JsonObjectMapper.java new file mode 100644 index 000000000..2459b51af --- /dev/null +++ b/cps-service/src/main/java/org/onap/cps/utils/JsonObjectMapper.java @@ -0,0 +1,90 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2022 Nordix Foundation + * ================================================================================ + * 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. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.cps.utils; + +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.onap.cps.spi.exceptions.DataValidationException; +import org.springframework.stereotype.Component; + +@Slf4j +@RequiredArgsConstructor +@Component +public class JsonObjectMapper { + + private final ObjectMapper objectMapper; + + /** + * Serializing generic java object to JSON using Jackson. + * + * @param object any java object value + * @return the generated JSON as a string. + */ + public String asJsonString(final Object object) { + try { + return objectMapper.writeValueAsString(object); + } catch (final JsonProcessingException e) { + log.error("Parsing error occurred while converting Object to JSON string."); + throw new DataValidationException("Parsing error occurred while converting given object to JSON string.", + e.getMessage()); + } + } + + /** + * Constructing JavaType out of given type (typically java.lang.Class). + * Allow efficient value conversions for structurally compatible json objects, + * according to standard Jackson configuration. + * + * @param jsonObject structurally compatible json object + * @param valueType compatible Object class type + * @param <T> type parameter + * @return a class object of specific class type 'T' + */ + public <T> T convertToValueType(final Object jsonObject, final Class<T> valueType) { + try { + return objectMapper.convertValue(jsonObject, valueType); + } catch (final IllegalArgumentException e) { + log.error("Found structurally incompatible object while converting into value type."); + throw new DataValidationException("Found structurally incompatible object while converting " + + "into value type.", e.getMessage()); + } + } + + /** + * Deserialize JSON content from given JSON content String. + * + * @param jsonContent JSON content + * @param valueType compatible Object class type + * @param <T> type parameter + * @return a class object of specific class type 'T' + */ + public <T> T convertJsonString(final String jsonContent, final Class<T> valueType) { + try { + return objectMapper.readValue(jsonContent, valueType); + } catch (final JsonProcessingException e) { + log.error("Parsing error occurred while converting JSON content to specific class type."); + throw new DataValidationException("Parsing error occurred while converting " + + "JSON content to specific class type.", e.getMessage()); + } + } +} |