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/*
* 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;
}
}
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