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Diffstat (limited to 'appmarket-utils/src/main/java/app/market/utils/json/JsonMapperUtils.java')
| -rw-r--r-- | appmarket-utils/src/main/java/app/market/utils/json/JsonMapperUtils.java | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/appmarket-utils/src/main/java/app/market/utils/json/JsonMapperUtils.java b/appmarket-utils/src/main/java/app/market/utils/json/JsonMapperUtils.java new file mode 100644 index 0000000..7d0664a --- /dev/null +++ b/appmarket-utils/src/main/java/app/market/utils/json/JsonMapperUtils.java @@ -0,0 +1,228 @@ +/* + * Copyright (c) 2019 TOYOTA MOTOR CORPORATION + * + * 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 app.market.utils.json; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; + +import org.apache.commons.lang3.StringUtils; +import org.codehaus.jackson.JsonGenerationException; +import org.codehaus.jackson.JsonNode; +import org.codehaus.jackson.JsonParseException; +import org.codehaus.jackson.JsonProcessingException; +import org.codehaus.jackson.map.JsonMappingException; +import org.codehaus.jackson.map.ObjectMapper; +import org.codehaus.jackson.type.JavaType; +import org.codehaus.jackson.type.TypeReference; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.alibaba.fastjson.JSON; +import com.alibaba.fastjson.JSONObject; + +import app.market.utils.constants.Constants; + +/** + * JSON Tool + * + * @author Toyota + */ +public class JsonMapperUtils { + private static Logger logger = LoggerFactory.getLogger( JsonMapperUtils.class ); + + private static ObjectMapper mapper = new ObjectMapper(); + + public JsonMapperUtils() { + super(); + } + + public static ObjectMapper getInstance() { + return mapper; + } + + /** + * write object value + * + * @param object + * @return + */ + public static String writeValueAsString(Object object) { + String json = null; + try { + json = mapper.writeValueAsString( object ); + } catch ( JsonGenerationException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } catch ( JsonMappingException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } catch ( IOException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } + return json; + } + + /** + * read object value + * + * @see #constructParametricType(Class, Class...) + */ + @SuppressWarnings("unchecked") + public static <T> T readValue(String jsonString, Class<T> clazz) { + if ( StringUtils.isEmpty( jsonString ) ) { + return null; + } + Object obj = null; + try { + obj = mapper.readValue( jsonString, clazz ); + } catch ( JsonParseException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } catch ( JsonMappingException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } catch ( IOException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } + return (T) obj; + } + + /** + * read object value + * + * @see #constructParametricType(Class, Class...) + */ + @SuppressWarnings("unchecked") + public static <T> T readValue(String jsonString, JavaType javaType) { + if ( StringUtils.isEmpty( jsonString ) ) { + return null; + } + Object obj = null; + try { + obj = mapper.readValue( jsonString, javaType ); + } catch ( JsonParseException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } catch ( JsonMappingException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } catch ( IOException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } + return (T) obj; + } + + /** + * read object value + * + * @see #constructParametricType(Class, Class...) + */ + @SuppressWarnings("unchecked") + public static <T> T readValue(String jsonString, TypeReference<T> typeReference) { + if ( StringUtils.isEmpty( jsonString ) ) { + return null; + } + Object obj = null; + try { + obj = mapper.readValue( jsonString, typeReference ); + } catch ( JsonParseException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } catch ( JsonMappingException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } catch ( IOException e ) { + logger.info( e.getMessage() ); + e.printStackTrace(); + } + return (T) obj; + } + + /** + * String to tree + * + * @param content + * @return + * @throws JsonProcessingException + * @throws IOException + */ + public static JsonNode readTree(String content) throws JsonProcessingException, IOException { + return mapper.readTree( content ); + } + + /** + * Get JSON information + * + * @param type + * @param forward + * @param msg + * @return + */ + public static String getJsonString(Object type, String forward, Object msg) { + Map<String, Object> map = new LinkedHashMap<String, Object>(); + map.put( "result", type ); + map.put( "forward", forward ); + if ( msg != null ) { + map.put( "message", msg ); + } else { + } + String jsonStr = JsonMapperUtils.writeValueAsString( map ); + logger.info( jsonStr ); + return jsonStr; + } + + public static boolean getResult(String jsonStr) { + boolean ret = false; + Map<String, Object> map = JsonMapperUtils.readValue(jsonStr, Map.class); + if ((int) map.get("result") == Constants.STATUS_SUCCESS) { + ret = true; + } + return ret; + } + + public static Object getMessage(String jsonStr) { + Map<String, Object> map = JsonMapperUtils.readValue(jsonStr, Map.class); + return (Object)map.get("message"); + } + + /** + * get json boject + * @param jsonStr + * @return + */ + public static JSONObject getJsonObject(String jsonStr) + { + JSONObject jsonObject = JSONObject.parseObject(jsonStr); + return jsonObject; + } + + public static List getJsonList(String jsonstring, Class cls) { + List list = new ArrayList(); + try { + list = JSON.parseArray(jsonstring, cls); + } catch (Exception e) { + // TODO: handle exception + } + return list; + } + +}
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