Examples with MyDtoWithFilter com.baeldung.jackson.dtos.MyDtoWithFilter used on opensource projects

Example 1 with MyDtoWithFilter

use of com.baeldung.jackson.dtos.MyDtoWithFilter in project tutorials by eugenp.

the class JacksonSerializationIgnoreUnitTest method givenTypeHasFilterThatIgnoresFieldByName_whenDtoIsSerialized_thenCorrect.

@Test
public final void givenTypeHasFilterThatIgnoresFieldByName_whenDtoIsSerialized_thenCorrect() throws JsonParseException, IOException {
    final ObjectMapper mapper = new ObjectMapper();
    final SimpleBeanPropertyFilter theFilter = SimpleBeanPropertyFilter.serializeAllExcept("intValue");
    final FilterProvider filters = new SimpleFilterProvider().addFilter("myFilter", theFilter);
    final MyDtoWithFilter dtoObject = new MyDtoWithFilter();
    dtoObject.setIntValue(12);
    final String dtoAsString = mapper.writer(filters).writeValueAsString(dtoObject);
    assertThat(dtoAsString, not(containsString("intValue")));
    assertThat(dtoAsString, containsString("booleanValue"));
    assertThat(dtoAsString, containsString("stringValue"));
    System.out.println(dtoAsString);
}

Example 2 with MyDtoWithFilter

use of com.baeldung.jackson.dtos.MyDtoWithFilter in project tutorials by eugenp.

the class JacksonSerializationIgnoreUnitTest method givenTypeHasFilterThatIgnoresNegativeInt_whenDtoIsSerialized_thenCorrect.

@Test
public final void givenTypeHasFilterThatIgnoresNegativeInt_whenDtoIsSerialized_thenCorrect() throws JsonParseException, IOException {
    final PropertyFilter theFilter = new SimpleBeanPropertyFilter() {

        @Override
        public final void serializeAsField(final Object pojo, final JsonGenerator jgen, final SerializerProvider provider, final PropertyWriter writer) throws Exception {
            if (include(writer)) {
                if (!writer.getName().equals("intValue")) {
                    writer.serializeAsField(pojo, jgen, provider);
                    return;
                }
                final int intValue = ((MyDtoWithFilter) pojo).getIntValue();
                if (intValue >= 0) {
                    writer.serializeAsField(pojo, jgen, provider);
                }
            } else if (!jgen.canOmitFields()) {
                // since 2.3
                writer.serializeAsOmittedField(pojo, jgen, provider);
            }
        }

        @Override
        protected final boolean include(final BeanPropertyWriter writer) {
            return true;
        }

        @Override
        protected final boolean include(final PropertyWriter writer) {
            return true;
        }
    };
    final FilterProvider filters = new SimpleFilterProvider().addFilter("myFilter", theFilter);
    final MyDtoWithFilter dtoObject = new MyDtoWithFilter();
    dtoObject.setIntValue(-1);
    final ObjectMapper mapper = new ObjectMapper();
    final String dtoAsString = mapper.writer(filters).writeValueAsString(dtoObject);
    assertThat(dtoAsString, not(containsString("intValue")));
    assertThat(dtoAsString, containsString("booleanValue"));
    assertThat(dtoAsString, containsString("stringValue"));
    System.out.println(dtoAsString);
}