diff options
Diffstat (limited to 'rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/JsonUtil.java')
-rw-r--r-- | rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/JsonUtil.java | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/JsonUtil.java b/rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/JsonUtil.java new file mode 100644 index 0000000..2234e19 --- /dev/null +++ b/rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/JsonUtil.java @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2016, Huawei Technologies Co., Ltd. + * + * 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. + */ +package org.openo.baseservice.roa.util.clientsdk; + +import org.codehaus.jackson.map.ObjectMapper; +import org.codehaus.jackson.type.TypeReference; + +import net.sf.json.JSON; + +import java.io.IOException; + +/** + * JSON parse utilities. + * <br/> + * <p> + * </p> + * + * @author + * @version SDNO 0.5 28-May-2016 + */ +public final class JsonUtil { + + private static final ObjectMapper MAPPER = new ObjectMapper(); + + static { + MAPPER.setDeserializationConfig(MAPPER.getDeserializationConfig() + .without(org.codehaus.jackson.map.DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES)); + } + + private JsonUtil() { + } + + /** + * Parse JSON formated string.<br/> + * + * @param jsonstr: JSON formated string. + * @param type: result type. + * @return parsed object. + * @throws IOException incase error. + * @since SDNO 0.5 + */ + public static <T> T unMarshal(final String jsonstr, final Class<T> type) throws IOException { + return MAPPER.readValue(jsonstr, type); + } + + /** + * Parse JSON formatted string (for a generic target type). + * <br/> + * + * @param jsonstr request data. + * @param type target type. + * @return result object. + * @throws IOException incase error. + * @since SDNO 0.5 + */ + public static <T> T unMarshal(final String jsonstr, final TypeReference<T> type) throws IOException { + return MAPPER.readValue(jsonstr, type); + } + + /** + * Convert object to JSON format string. + * <br/> + * + * @param srcObj source object. + * @return JSON format string. + * @throws IOException incase of error. + * @since SDNO 0.5 + */ + public static String marshal(final Object srcObj) throws IOException { + if(srcObj instanceof JSON) { + return srcObj.toString(); + } + return MAPPER.writeValueAsString(srcObj); + } + + /** + * Get parsing mapper + * <br/> + * + * @return parsing mapper + * @since SDNO 0.5 + */ + public static ObjectMapper getMapper() { + return MAPPER; + } +} |