Package org.baeldung.gson.serialization

Examples of org.baeldung.gson.serialization.SourceClass

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public class GsonSerializationTest {

    @Test
    public void givenArrayOfObjects_whenSerializing_thenCorrect() {
        final SourceClass[] sourceArray = { new SourceClass(1, "one"), new SourceClass(2, "two") };
        final String jsonString = new Gson().toJson(sourceArray);

        // test
        final String expectedResult = "[{\"intValue\":1,\"stringValue\":\"one\"},{\"intValue\":2,\"stringValue\":\"two\"}]";
        assertEquals(expectedResult, jsonString);
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        assertEquals(expectedResult, jsonString);
    }

    @Test
    public void givenCollection_whenSerializing_thenCorrect() {
        final Collection<SourceClass> sourceCollection = Lists.newArrayList(new SourceClass(1, "one"), new SourceClass(2, "two"));
        final String jsonCollection = new Gson().toJson(sourceCollection);

        final String expectedResult = "[{\"intValue\":1,\"stringValue\":\"one\"},{\"intValue\":2,\"stringValue\":\"two\"}]";
        assertEquals(expectedResult, jsonCollection);
    }
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        assertEquals(expectedResult, jsonCollection);
    }

    @Test
    public void givenUsingCustomSerializer_whenChangingNameOfFieldOnSerializing_thenCorrect() {
        final SourceClass sourceObject = new SourceClass(7, "seven");
        final GsonBuilder gsonBuildr = new GsonBuilder();
        gsonBuildr.registerTypeAdapter(SourceClass.class, new DifferentNameSerializer());
        final String jsonString = gsonBuildr.create().toJson(sourceObject);

        final String expectedResult = "{\"otherIntValue\":7,\"otherStringValue\":\"seven\"}";
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        assertEquals(expectedResult, jsonString);
    }

    @Test
    public void givenIgnoringAField_whenSerializingWithCustomSerializer_thenFieldIgnored() {
        final SourceClass sourceObject = new SourceClass(7, "seven");
        final GsonBuilder gsonBuildr = new GsonBuilder();
        gsonBuildr.registerTypeAdapter(SourceClass.class, new IgnoringFieldsSerializer());
        final String jsonString = gsonBuildr.create().toJson(sourceObject);

        final String expectedResult = "{\"intValue\":7}";
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        assertEquals(expectedResult, jsonString);
    }

    @Test
    public void givenUsingCustomDeserializer_whenFieldNotMatchesCriteria_thenIgnored() {
        final SourceClass sourceObject = new SourceClass(-1, "minus 1");
        final GsonBuilder gsonBuildr = new GsonBuilder();
        gsonBuildr.registerTypeAdapter(SourceClass.class, new IgnoringFieldsNotMatchingCriteriaSerializer());
        final Gson gson = gsonBuildr.create();
        final Type sourceObjectType = new TypeToken<SourceClass>() {
        }.getType();
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Related Classes of org.baeldung.gson.serialization.SourceClass

  • org.baeldung.gson.serialization.test.GsonSerializationTest
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