org.boon.json.ObjectMapper.writeValue()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 其他  
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本文整理了Java中org.boon.json.ObjectMapper.writeValue()方法的一些代码示例，展示了ObjectMapper.writeValue()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ObjectMapper.writeValue()方法的具体详情如下：
包路径：org.boon.json.ObjectMapper
类名称：ObjectMapper
方法名：writeValue

ObjectMapper.writeValue介绍

[英]Method that can be used to serialize any Java value as JSON output, written to File provided.
[中]方法，该方法可用于将任何Java值序列化为JSON输出，并写入提供的文件中。

代码示例

代码示例来源：origin: cowtowncoder/java-json-performance-benchmarks

  1. @Override
  2. public int _writeItems(MeasurementPOJO items, Writer out) throws Exception
  3. {
  4.   mapper.writeValue(out, items);
  5.   return items.size();
  6. }

代码示例来源：origin: boonproject/boon

  1. mapper.writeValue( file, user );

代码示例来源：origin: boonproject/boon

  1. public static void part4IntoAMapFirst() throws Exception {
  2.   ObjectMapper mapper = JsonFactory.createUseJSONDates();
  3.   puts( mapper.writeValueAsString( user ) );
  4.   //Now to write and then read this as a file.
  5.   File file = File.createTempFile( "user", ".json" );
  6.   mapper.writeValue( file, user );
  7.   Object userFromFile = mapper.readValue( file, Object.class );
  8.   puts( "userFromFile", "type", userFromFile.getClass(), "value", userFromFile );
  9.   Map<String, Object> map = (Map<String, Object>) mapper.readValue( file, Map.class );
  10.   puts( "userFromFile", "type", map.getClass(), "value", map );
  11.   puts( "userFromFile.name", "type", map.get("name").getClass(),
  12.       "value", map.get("name") );
  13.   puts( "userFromFile.birthDate", "type", map.get("birthDate").getClass(),
  14.       "value", map.get("birthDate") );
  15.   puts( "userFromFile.gender", "type", map.get("gender").getClass(),
  16.       "value", map.get("gender") );
  17.   User userFromMap =
  18.       MapObjectConversion.fromMap(
  19.           map, User.class);
  20.   puts ( userFromMap );
  21.   boolean ok = user.equals ( userFromMap ) || die (userFromMap.toString ());
  22. }

代码示例来源：origin: cowtowncoder/java-json-performance-benchmarks

  1. @Override
  2. public int _writeItems(MeasurementPOJO items, OutputStream out) throws Exception
  3. {
  4.   mapper.writeValue(out, items);
  5.   return items.size();
  6. }

代码示例来源：origin: boonproject/boon

  1. public static void part1ReadAndWriteMyBeanToAFile() throws Exception {
  2.   MyBean myBean = new MyBean();
  3.   File dst = File.createTempFile( "emp", ".json" );
  4.   ObjectMapper mapper = JsonFactory.create();
  5.   puts( "json string", mapper.writeValueAsString( myBean ) );
  6.   String str = mapper.writeValueAsString ( myBean );
  7.   boolean ok = str.contains ( "{\"name\":\"Rick\"" ) || die( str );
  8.   mapper.writeValue( dst, myBean ); // where 'dst' can be File, OutputStream or Writer
  9.   File src = dst;
  10.   MyBean value = mapper.readValue( src, MyBean.class ); // 'src' can be File, InputStream, Reader, String
  11.   ok |= value.name.contains ( "Rick" );
  12.   puts( "mybean", value );
  13.   Object root = mapper.readValue( src, Object.class );
  14.   Map<String, Object> rootAsMap = mapper.readValue( src, Map.class );
  15.   puts( "root", root );
  16.   puts( "rootAsMap", rootAsMap );
  17.   MyBean myBean1 = new MyBean();
  18.   myBean1.name = "Diana";
  19.   MyBean myBean2 = new MyBean();
  20.   myBean2.name = "Rick";
  21.   dst = File.createTempFile( "empList", ".json" );
  22.   final List<MyBean> list = Lists.list( myBean1, myBean2 );
  23.   str = mapper.writeValueAsString ( list );
  24.   puts ( "json string", mapper.writeValueAsString ( list ) );
  25.   ok |= str.contains ( "[{\"name\":\"Diana\"},{\"name\":\"Rick\"}]" ) || die (str);
  26.   mapper.writeValue( dst, list );
  27.   src = dst;
  28.   List<MyBean> beans = mapper.readValue( src, List.class, MyBean.class );
  29.   puts( "mybeans", beans );
  30. }

代码示例来源：origin: boonproject/boon

  1. @Test
  2. public void test() {
  3.   final ObjectMapper mapper =  JsonFactory.createUseProperties(true);
  4.   ByteArrayOutputStream stream = new ByteArrayOutputStream();
  5.   mapper.writeValue(stream, FrequentPrimitives.getArray(2));
  6.   puts(new String(stream.toByteArray()));
  7. }

代码示例来源：origin: boonproject/boon

  1. public static void part5WorkingWithLists() throws Exception {
  2.   puts ("\n\n\n", "\npart5 WorkingWithLists");
  3.   ObjectMapper mapper = JsonFactory.createUseJSONDates();
  4.   final User diana = BeanUtils.copy( user );
  5.   final User rick = BeanUtils.copy( user );
  6.   diana.getName().setFirst( "Diana" );
  7.   rick.getName().setFirst( "Rick" );
  8.   diana.setBirthDate( Dates.getUSDate( 8, 21, 1984 ) );
  9.   File file = File.createTempFile( "userList", ".json" );
  10.   List<User> users = Lists.list( diana, rick );
  11.   mapper.writeValue( file, users  );
  12.   List<User> userList = mapper.readValue( file, List.class, User.class  );
  13.   puts (userList);
  14.   puts ( mapper.writeValueAsString( userList ) );
  15.   boolean ok = users.toString().equals ( userList.toString () ) || die (userList.toString ());
  16. }

代码示例来源：origin: boonproject/boon

  1. @Test
  2. public void test2() {
  3.   final ObjectMapper mapper =  JsonFactory
  4.       .createUseProperties(true);
  5.   ByteArrayOutputStream stream = new ByteArrayOutputStream();
  6.   //String uri, String title, int width, int height, Size size
  7.   mapper.writeValue(stream, new Image("/foo", "Foo", 5, 10, Image.Size.SMALL));
  8.   puts(new String(stream.toByteArray()));
  9. }

代码示例来源：origin: boonproject/boon

  1. public static void part6WorkingWithLists() throws Exception {
  2.   puts ("\n\n\n", "\npart6WorkingWithLists");
  3.   ObjectMapper mapper = JsonFactory.createUseJSONDates();
  4.   final User diana = BeanUtils.copy( user );
  5.   final User rick = BeanUtils.copy( user );
  6.   diana.getName().setFirst( "Diana" );
  7.   diana.setGender( User.Gender.FEMALE );
  8.   rick.getName().setFirst( "Rick" );
  9.   diana.setBirthDate( Dates.getUSDate( 8, 21, 1984 ) );
  10.   File file = File.createTempFile( "userList", ".json" );
  11.   List<User> users = Lists.list( diana, rick );
  12.   mapper.writeValue( file, users  );
  13.   List<User> userList = mapper.readValue( file, List.class, User.class  );
  14.   puts (userList);
  15.   puts ( mapper.writeValueAsString( userList ) );
  16.   boolean ok = userList.toString().equals ( users.toString() ) || die ( userList.toString() );
  17. }

代码示例来源：origin: fabienrenaud/java-json-benchmark

  1. @Benchmark
  2. @Override
  3. public Object boon() {
  4.   ByteArrayOutputStream baos = JsonUtils.byteArrayOutputStream();
  5.   JSON_SOURCE().provider().boon().writeValue(baos, JSON_SOURCE().nextPojo());
  6.   return baos;
  7. }

代码示例来源：origin: boonproject/boon

  1. public static void part7WorkingWithListFromFile() throws Exception {
  2.   puts ("\n\n\n", "\npart7WorkingWithListFromFile");
  3.   ObjectMapper mapper = JsonFactory.createUseAnnotations( true );
  4.   /* Create two users. */
  5.   final User diana = BeanUtils.copy( user );
  6.   final User rick = BeanUtils.copy( user );
  7.   diana.getName().setFirst( "Diana" );
  8.   diana.setGender ( User.Gender.FEMALE );
  9.   rick.getName().setFirst ( "Rick" );
  10.   rick.ssn="IAMSET";
  11.   diana.ssn="dianaSSN";
  12.   diana.setBirthDate( Dates.getUSDate( 8, 21, 1984 ) );
  13.   File file = File.createTempFile( "userList", ".json" );
  14.   List<User> users = Lists.list( diana, rick );
  15.   /* Inspect the JSON of the users from the file. */
  16.   puts ("users", mapper.writeValueAsString( users ) );
  17.   /* Write users out to file. */
  18.   mapper.writeValue( file, users  );
  19.   /* Reader Users back from file. */
  20.   List<User> userList = mapper.readValue( file, List.class, User.class  );
  21.   puts ("userListBeansReadFromFile", userList);
  22.   /* Inspect the JSON of the users from the file. */
  23.   puts ("usersFromFileAsJSON", mapper.writeValueAsString( userList ) );
  24.   boolean ok = userList.toString().equals ( users.toString() ) || die ( userList.toString() );
  25. }

代码示例来源：origin: boonproject/boon

  1. public static void main(String... args) throws Exception{
  2.   Player kevin = new Player("Kevin", "Cricket", 32, 221,
  3.       new int[]{33, 66, 78, 21, 9, 200});
  4.   final ObjectMapper mapper = JsonFactory.create();
  5.   final File file = File.createTempFile("json", "exmaple.json");
  6.   mapper.writeValue(file, kevin);
  7.   Player somePlayer = mapper.readValue(file, Player.class);
  8.   puts("They are equal", somePlayer.equals(kevin));
  9. }

代码示例来源：origin: boonproject/boon

  1. mapper.writeValue( file, users  );
  2. List<User> userList = mapper.readValue( file, List.class, User.class  );
  3. puts (userList);

代码示例来源：origin: boonproject/boon

  1. @Test
  2. public void test3() {
  3.   final ObjectMapper mapper =  JsonFactory
  4.       .createUseProperties(true);
  5.   ByteArrayOutputStream stream = new ByteArrayOutputStream();
  6.   MediaContent mediaContent = MediaContent.mediaContent();
  7.   //String uri, String title, int width, int height, Size size
  8.   mapper.writeValue(stream, mediaContent);
  9.   MediaContent mediaContent2 = mapper.readValue(stream.toByteArray(), MediaContent.class);
  10.   boolean ok = mediaContent.equals(mediaContent2) || die();
  11. }

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