sdnr/wireless-transport/code-Carbon-SR1/apps/route/impl/src/main/java/com/highstreet/technologies/odl/app/impl/tools/JsonUtil.java

   1 /*
   2  * Copyright © 2015 ZTE and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package com.highstreet.technologies.odl.app.impl.tools;
   9
  10 import com.fasterxml.jackson.databind.ObjectMapper;
  11 import org.slf4j.Logger;
  12 import org.slf4j.LoggerFactory;
  13
  14 import java.io.File;
  15 import java.io.IOException;
  16 import java.net.URL;
  17 import java.text.SimpleDateFormat;
  18
  19 import static com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES;
  20 import static com.fasterxml.jackson.databind.DeserializationFeature.READ_ENUMS_USING_TO_STRING;
  21 import static com.fasterxml.jackson.databind.SerializationFeature.WRITE_ENUMS_USING_TO_STRING;
  22
  23 /**
  24  * Created by olinchy on 6/18/14 for MO_JAVA.
  25  */
  26 public class JsonUtil
  27 {
  28     private static final Logger LOG = LoggerFactory.getLogger(JsonUtil.class);
  29     private static ObjectMapper mapper;
  30
  31     static
  32     {
  33         mapper = new ObjectMapper();
  34         mapper.configure(WRITE_ENUMS_USING_TO_STRING, true);
  35         mapper.configure(FAIL_ON_UNKNOWN_PROPERTIES, false);
  36         mapper.configure(READ_ENUMS_USING_TO_STRING, true);
  37         mapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
  38     }
  39
  40     public static <T> T toObject(URL content, Class<T> clazz)
  41     {
  42         try
  43         {
  44             return mapper.readValue(content, clazz);
  45         }
  46         catch (IOException e)
  47         {
  48             LOG.warn("read value failed !", e);
  49             return null;
  50         }
  51     }
  52
  53     public static <T> T toObject(File content, Class<T> clazz)
  54     {
  55         try
  56         {
  57             return mapper.readValue(content, clazz);
  58         }
  59         catch (IOException e)
  60         {
  61             LOG.warn("read value failed !", e);
  62             return null;
  63         }
  64     }
  65 }