Examples of org.codehaus.jackson.map.module.SimpleModule.addKeySerializer()


    public void testSimpleKeySer() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        SimpleModule module = new SimpleModule("test", Version.unknownVersion());
        module.addKeySerializer(String.class, new ContextualKeySerializer("prefix"));
        mapper.registerModule(module);
        Map<String,Object> input = new HashMap<String,Object>();
        input.put("a", Integer.valueOf(3));
        String json = mapper.writerWithType(TypeFactory.defaultInstance().constructMapType(HashMap.class, String.class, Object.class))
            .writeValueAsString(input);

     * of removing invalid characters from map keys.
     */
    private static ObjectMapper createCustomizedObjectMapper() {
        SimpleModule mapKeyModule =  new SimpleModule("MyMapKeySanitizingSerializerModule"
                , new Version(1, 0, 0, null));
        mapKeyModule.addKeySerializer(String.class, new KeySanitizingSerializer());


        final ObjectMapper customizedMapper = new ObjectMapper();
        customizedMapper.registerModule(mapKeyModule);


        // The following code has been copied from JacksonDBCollection and

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