Android Open Source - geocamTalkAndroid Talk Json Converter

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License

The source code is released under:

NASA OPEN SOURCE AGREEMENT VERSION 1.3 THIS OPEN SOURCE AGREEMENT ("AGREEMENT") DEFINES THE RIGHTS OF USE, REPRODUCTION, DISTRIBUTION, MODIFICATION AND REDISTRIBUTION OF CERTAIN COMPUTER SOFTWARE ORI...

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Java Source Code

// __BEGIN_LICENSE__
// Copyright (C) 2008-2010 United States Government as represented by
// the Administrator of the National Aeronautics and Space Administration.
// All Rights Reserved.
// __END_LICENSE__
// w  ww . j  a  va  2 s.c  om
package gov.nasa.arc.geocam.talk.service;

import gov.nasa.arc.geocam.talk.bean.GeoCamTalkMessage;

import java.lang.reflect.Type;
import java.util.List;
import java.util.Map;

import com.google.gson.ExclusionStrategy;
import com.google.gson.FieldAttributes;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.reflect.TypeToken;

/**
 * The Class TalkJsonConverter.
 */
public class TalkJsonConverter
    implements ITalkJsonConverter {

  /* (non-Javadoc)
   * @see gov.nasa.arc.geocam.talk.service.ITalkJsonConverter#deserializeList(java.lang.String)
   */
  @Override
  public List<GeoCamTalkMessage> deserializeList(String jsonString) {
    JsonParser parser = new JsonParser();
    JsonObject root = parser.parse(jsonString).getAsJsonObject();
    
    String jsonMessages = root.get("ms").toString();
    
    GsonBuilder builder = new GsonBuilder();
    builder.setDateFormat("MM/dd/yy HH:mm:ss");
    Gson gson = builder.create();
    
    Type listType = new TypeToken<List<GeoCamTalkMessage>>(){}.getType();
    
    return gson.fromJson(jsonMessages, listType);
  }

  /* (non-Javadoc)
   * @see gov.nasa.arc.geocam.talk.service.ITalkJsonConverter#deserialize(java.lang.String)
   */
  @Override
  public GeoCamTalkMessage deserialize(String jsonString) {
    GsonBuilder builder = new GsonBuilder();
    builder.setDateFormat("MM/dd/yy HH:mm:ss");
    
    Gson gson = builder.create();
    return gson.fromJson(jsonString, GeoCamTalkMessage.class);
  }
  

  /* (non-Javadoc)
   * @see gov.nasa.arc.geocam.talk.service.ITalkJsonConverter#serialize(gov.nasa.arc.geocam.talk.bean.GeoCamTalkMessage)
   */
  @Override
  public String serialize(GeoCamTalkMessage message) {
    GsonBuilder builder = new GsonBuilder();
    builder.setDateFormat("MM/dd/yy HH:mm:ss");
    
    builder.setExclusionStrategies(new TalkMessageExclusionStrategy());
    Gson gson = builder.create();
    String ret= gson.toJson(message);
    return ret;
  }
  
  /**
   * The Class TalkMessageExclusionStrategy.
   */
  public class TalkMessageExclusionStrategy implements ExclusionStrategy {
        
        /* (non-Javadoc)
         * @see com.google.gson.ExclusionStrategy#shouldSkipField(com.google.gson.FieldAttributes)
         */
        @Override
    public boolean shouldSkipField(FieldAttributes f) {
            return (f.getName().equals("audio"));
        }

    /* (non-Javadoc)
     * @see com.google.gson.ExclusionStrategy#shouldSkipClass(java.lang.Class)
     */
    @Override
    public boolean shouldSkipClass(Class<?> arg0) {
      return false;
    }

    }

  /* (non-Javadoc)
   * @see gov.nasa.arc.geocam.talk.service.ITalkJsonConverter#createMap(java.lang.String)
   */
  @Override
  public Map<String, String> createMap(String jsonString) {
    Gson gson = new Gson();
    Type mapType = new TypeToken<Map<String, String>>(){}.getType();
    return gson.fromJson(jsonString, mapType);
  }
}

Java Source Code List