LCOV - code coverage report
Current view: top level - json - SqlTimestampDeserializer.java (source / functions) Hit Total Coverage
Test: _coverage_report.dat Lines: 16 20 80.0 %
Date: 2022-11-19 15:00:39 Functions: 5 5 100.0 %

          Line data    Source code
       1             : // Copyright 2008 Google Inc.
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.json;
      16             : 
      17             : import com.google.gerrit.common.Nullable;
      18             : import com.google.gson.JsonDeserializationContext;
      19             : import com.google.gson.JsonDeserializer;
      20             : import com.google.gson.JsonElement;
      21             : import com.google.gson.JsonNull;
      22             : import com.google.gson.JsonParseException;
      23             : import com.google.gson.JsonPrimitive;
      24             : import com.google.gson.JsonSerializationContext;
      25             : import com.google.gson.JsonSerializer;
      26             : import java.lang.reflect.Type;
      27             : import java.sql.Timestamp;
      28             : import java.text.SimpleDateFormat;
      29             : import java.util.TimeZone;
      30             : 
      31         157 : class SqlTimestampDeserializer implements JsonDeserializer<Timestamp>, JsonSerializer<Timestamp> {
      32         157 :   private static final TimeZone UTC = TimeZone.getTimeZone("UTC");
      33             : 
      34             :   @Nullable
      35             :   @Override
      36             :   public Timestamp deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
      37             :       throws JsonParseException {
      38           9 :     if (json.isJsonNull()) {
      39           0 :       return null;
      40             :     }
      41           9 :     if (!json.isJsonPrimitive()) {
      42           0 :       throw new JsonParseException("Expected string for timestamp type");
      43             :     }
      44           9 :     JsonPrimitive p = (JsonPrimitive) json;
      45           9 :     if (!p.isString()) {
      46           0 :       throw new JsonParseException("Expected string for timestamp type");
      47             :     }
      48             : 
      49           9 :     String input = p.getAsString();
      50           9 :     if (input.trim().isEmpty()) {
      51             :       // Magic timestamp to indicate no timestamp. (-> null object)
      52             :       // Always create a new object as timestamps are mutable. Don't use TimeUtil.never() to not
      53             :       // introduce an undesired dependency.
      54           1 :       return new Timestamp(0);
      55             :     }
      56             : 
      57           8 :     return JavaSqlTimestampHelper.parseTimestamp(input);
      58             :   }
      59             : 
      60             :   @Override
      61             :   public JsonElement serialize(Timestamp src, Type typeOfSrc, JsonSerializationContext context) {
      62          15 :     if (src == null) {
      63           0 :       return JsonNull.INSTANCE;
      64             :     }
      65          15 :     return new JsonPrimitive(newFormat().format(src) + "000000");
      66             :   }
      67             : 
      68             :   private static SimpleDateFormat newFormat() {
      69          15 :     SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
      70          15 :     f.setTimeZone(UTC);
      71          15 :     f.setLenient(true);
      72          15 :     return f;
      73             :   }
      74             : }

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