private void setJsonPathConfiguration() {
    Configuration.setDefaults(new Configuration.Defaults() {

        private final JsonProvider jsonProvider = new GsonJsonProvider(new GsonBuilder().serializeNulls().create());
        private final MappingProvider mappingProvider = new GsonMappingProvider();

        public JsonProvider jsonProvider() {
            return jsonProvider;
        }

        public MappingProvider mappingProvider() {
            return mappingProvider;
        }

        public Set<Option> options() {
            return EnumSet.noneOf(Option.class);
        }
    });
}
 

private void setJsonPathConfiguration() {
    Configuration.setDefaults(new Configuration.Defaults() {

        private final JsonProvider jsonProvider = new GsonJsonProvider(new GsonBuilder().serializeNulls().create());
        private final MappingProvider mappingProvider = new GsonMappingProvider();

        public JsonProvider jsonProvider() {
            return jsonProvider;
        }

        public MappingProvider mappingProvider() {
            return mappingProvider;
        }

        public Set<Option> options() {
            return EnumSet.noneOf(Option.class);
        }
    });
}
 

private void setJsonPathConfiguration() {
    Configuration.setDefaults(new Configuration.Defaults() {

        private final JsonProvider jsonProvider = new GsonJsonProvider(new GsonBuilder().serializeNulls().create());
        private final MappingProvider mappingProvider = new GsonMappingProvider();

        public JsonProvider jsonProvider() {
            return jsonProvider;
        }

        public MappingProvider mappingProvider() {
            return mappingProvider;
        }

        public Set<Option> options() {
            return EnumSet.noneOf(Option.class);
        }
    });
}
 

@BeforeClass
public static void init() {
    // Set GsonJsonProvider as the default Jayway JSON path default configuration
    // Which is set by synapse-core at runtime of the server
    Configuration.setDefaults(new Configuration.Defaults() {
        private final JsonProvider jsonProvider = new GsonJsonProvider(new GsonBuilder().serializeNulls().create());
        private final MappingProvider mappingProvider = new GsonMappingProvider();

        public JsonProvider jsonProvider() {
            return jsonProvider;
        }

        public MappingProvider mappingProvider() {
            return mappingProvider;
        }

        public Set<Option> options() {
            return EnumSet.noneOf(Option.class);
        }
    });
}
 

@Test
public void personToJsonString() {
    Person duke = new Person("Duke", LocalDate.of(1995, 5, 23));
    duke.setPhoneNumbers(
            Arrays.asList(
                    new PhoneNumber(HOME, "100000"),
                    new PhoneNumber(OFFICE, "200000")
            )
    );

    Jsonb jsonMapper = JsonbBuilder.create();
    String json = jsonMapper.toJson(duke);

    LOG.log(Level.INFO, "converted json result: {0}", json);

    String name = JsonPath.parse(json).read("$.name");
    assertEquals("Duke", name);

    Configuration config = Configuration.defaultConfiguration()
            .jsonProvider(new GsonJsonProvider())
            .mappingProvider(new GsonMappingProvider());
    TypeRef<List<String>> typeRef = new TypeRef<List<String>>() {
    };

    List<String> numbers = JsonPath.using(config).parse(json).read("$.phoneNumbers[*].number", typeRef);

    assertEquals(Arrays.asList("100000", "200000"), numbers);
}
 

/**
 * Remove a subelement in a JsonPath
 *
 * @param jsonString String of the json
 * @param expr       regex to be removed
 */

public String removeJSONPathElement(String jsonString, String expr) {

    Configuration conf = Configuration.builder().jsonProvider(new GsonJsonProvider()).mappingProvider(new GsonMappingProvider()).build();
    DocumentContext context = JsonPath.using(conf).parse(jsonString);
    context.delete(expr);
    return context.jsonString();
}
 

protected Configuration createJsonPathConfiguration() {
    return new Configuration.ConfigurationBuilder()
            .jsonProvider(new GsonJsonProvider())
            .mappingProvider(new GsonMappingProvider())
            .build();
}
 

public void init() {
	logger.info("init " + this);

	chrono=new Chrono();

	Configuration.setDefaults(new Configuration.Defaults() {

		private final JsonProvider jsonProvider = new GsonJsonProvider();
		private final MappingProvider mappingProvider = new GsonMappingProvider();

		@Override
		public JsonProvider jsonProvider() {
			return jsonProvider;
		}

		@Override
		public MappingProvider mappingProvider() {
			return mappingProvider;
		}

		@Override
		public Set<Option> options() {
			return EnumSet.noneOf(Option.class);
		}

	});
	Configuration.defaultConfiguration().addOptions(Option.DEFAULT_PATH_LEAF_TO_NULL);

	try {

		logger.debug("loading file " + fileSetJson);

		if (hasNewVersion()||!fileSetJson.exists() || fileSetJson.length() == 0 || getBoolean(FORCE_RELOAD)) {
			logger.info("Downloading "+version + " datafile");
			URLTools.download(URL_JSON_ALL_SETS_ZIP, fileSetJsonTemp);
			FileTools.unZipIt(fileSetJsonTemp,fileSetJson);
			FileTools.saveFile(fversion,version);
			setProperty(FORCE_RELOAD, "false");
		}
		Chrono chr = new Chrono();
		chr.start();
		logger.debug(this + " : parsing db file");
		ctx = JsonPath.parse(fileSetJson);
		logger.debug(this + " : parsing OK in " + chr.stop()+"s");
		
	} catch (Exception e1) {
		logger.error(e1);
	}
}
 

private void parseJsonForInconsistencies(String normalizedJson) {
    JsonProvider provider = new GsonJsonProvider();
    Configuration configuration = Configuration.builder().jsonProvider(provider).build();
    JsonPath.parse(normalizedJson, configuration);       //throws an exception at runtime if the json is malformed
}