Example usage for com.fasterxml.jackson.core.type TypeReference TypeReference

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core.type TypeReference TypeReference.

Prototype

protected TypeReference() 

Source Link

Usage

From source file:com.twitter.ambrose.model.Event.java

public static void main(String[] args) throws IOException {
    String json = JSONUtil.readFile("pig/src/main/resources/web/data/small-events.json");
    List<Event> events = JSONUtil.toObject(json, new TypeReference<List<Event>>() {
    });/*from   w  w  w  .  j  a va2  s.c  o m*/
    for (Event event : events) {
        // useful if we need to read a file, add a field, output and re-generate
    }
    JSONUtil.writeJson("pig/src/main/resources/web/data/small-events.json2", events);
}

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From source file:com.act.biointerpretation.BiointerpretationDriver.java

public static void main(String[] args) throws Exception {
    Options opts = new Options();
    for (Option.Builder b : OPTION_BUILDERS) {
        opts.addOption(b.build());/*from  w ww. j av a2s  .c  om*/
    }

    CommandLine cl = null;
    try {
        CommandLineParser parser = new DefaultParser();
        cl = parser.parse(opts, args);
    } catch (ParseException e) {
        System.err.format("Argument parsing failed: %s\n", e.getMessage());
        HELP_FORMATTER.printHelp(LoadPlateCompositionIntoDB.class.getCanonicalName(), HELP_MESSAGE, opts, null,
                true);
        System.exit(1);
    }

    if (cl.hasOption("help")) {
        HELP_FORMATTER.printHelp(ReactionDesalter.class.getCanonicalName(), HELP_MESSAGE, opts, null, true);
        return;
    }

    if (cl.hasOption(OPTION_CONFIGURATION_FILE)) {
        List<BiointerpretationStep> steps;
        File configFile = new File(cl.getOptionValue(OPTION_CONFIGURATION_FILE));
        if (!configFile.exists()) {
            String msg = String.format("Cannot find configuration file at %s", configFile.getAbsolutePath());
            LOGGER.error(msg);
            throw new RuntimeException(msg);
        }
        // Read the whole config file.
        try (InputStream is = new FileInputStream(configFile)) {
            steps = OBJECT_MAPPER.readValue(is, new TypeReference<List<BiointerpretationStep>>() {
            });
        } catch (IOException e) {
            LOGGER.error("Caught IO exception when attempting to read configuration file: %s", e.getMessage());
            throw e; // Crash after logging if the config file can't be read.
        }

        // Ask for explicit confirmation before dropping databases.
        LOGGER.info("Biointerpretation plan:");
        for (BiointerpretationStep step : steps) {
            crashIfInvalidDBName(step.getReadDBName());
            crashIfInvalidDBName(step.getWriteDBName());
            LOGGER.info("%s: %s -> %s", step.getOperation(), step.getReadDBName(), step.getWriteDBName());
        }
        LOGGER.warn("WARNING: each DB to be written will be dropped before the writing step commences");
        LOGGER.info("Proceed? [y/n]");
        String readLine;
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) {
            readLine = reader.readLine();
        }
        readLine.trim();
        if ("y".equalsIgnoreCase(readLine) || "yes".equalsIgnoreCase(readLine)) {
            LOGGER.info("Biointerpretation plan confirmed, commencing");
            for (BiointerpretationStep step : steps) {
                performOperation(step, true);
            }
            LOGGER.info("Biointerpretation plan completed");
        } else {
            LOGGER.info("Biointerpretation plan not confirmed, exiting");
        }
    } else if (cl.hasOption(OPTION_SINGLE_OPERATION)) {
        if (!cl.hasOption(OPTION_SINGLE_READ_DB) || !cl.hasOption(OPTION_SINGLE_WRITE_DB)) {
            String msg = "Must specify read and write DB names when performing a single operation";
            LOGGER.error(msg);
            throw new RuntimeException(msg);
        }
        BiointerpretationOperation operation;
        try {
            operation = BiointerpretationOperation.valueOf(cl.getOptionValue(OPTION_SINGLE_OPERATION));
        } catch (IllegalArgumentException e) {
            LOGGER.error("Caught IllegalArgumentException when trying to parse operation '%s': %s",
                    cl.getOptionValue(OPTION_SINGLE_OPERATION), e.getMessage());
            throw e; // Crash if we can't interpret the operation.
        }
        String readDB = crashIfInvalidDBName(cl.getOptionValue(OPTION_SINGLE_READ_DB));
        String writeDB = crashIfInvalidDBName(cl.getOptionValue(OPTION_SINGLE_WRITE_DB));

        performOperation(new BiointerpretationStep(operation, readDB, writeDB), false);
    } else {
        String msg = "Must specify either a config file or a single operation to perform.";
        LOGGER.error(msg);
        throw new RuntimeException(msg);
    }
}

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From source file:Main.java

public static String getValueFromJson(String json, String key) {
    String value = "null";
    try {// w w w.j  av  a 2 s.  co  m
        ObjectMapper mapper = new ObjectMapper();
        Map<String, Object> values = mapper.readValue(json, new TypeReference<Map<String, String>>() {
        });
        if (values.containsKey(key)) {
            value = values.get(key).toString();
        }
    } catch (IOException e) {
        System.out.println("Could not parse json: " + json);
    }
    return value;
}

---

From source file:io.klerch.alexa.state.utils.ConversionUtils.java

/**
 * A json-string of key-value pairs is read out as a map
 * @param json json-string of key-value pairs
 * @return a map with corresponding key-value paris
 *///from   w  w  w  .  j  a  v a2 s .c  o m
public static Map<String, Object> mapJson(final String json) {
    final ObjectMapper mapper = new ObjectMapper();
    if (json == null || json.isEmpty()) {
        return new HashMap<>();
    }
    final TypeReference<HashMap<String, Object>> typeRef = new TypeReference<HashMap<String, Object>>() {
    };
    try {
        // read jsonString into map
        return mapper.readValue(json, typeRef);
    } catch (IOException e) {
        log.error(e);
        return new HashMap<>();
    }
}

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From source file:it.jugtorino.one.msvc.way.rabbit.reference.utils.JSONUtils.java

public static Map<String, Object> toMap(byte[] bytes) {
    ObjectMapper mapper = new ObjectMapper();

    TypeReference<Map<String, Object>> typeRef = new TypeReference<Map<String, Object>>() {
    };/*  w  ww .jav  a 2s  .  c  om*/

    try {
        return mapper.readValue(bytes, typeRef);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

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From source file:com.nesscomputing.jackson.JacksonSerializerBinder.java

/**
 * Begin creating a new serialization binding
 * @param binder the Guice binder to attach to
 * @param type the type we will transform
 * @return a builder//  ww w  .  ja v  a 2 s  .c om
 */
public static <T> SerializerBinderBuilder<T> builderOf(Binder binder, final Class<T> type) {
    return new SerializerBinderBuilderImpl<T>(binder, new TypeReference<T>() {
        @Override
        public Type getType() {
            return type;
        }
    });
}

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From source file:fr.pilato.elasticsearch.crawler.fs.tika.XmlDocParser.java

public static Map<String, Object> asMap(InputStream stream) {
    try {/*from  w ww . j av  a  2s  . c o  m*/
        return xmlMapper.readValue(stream, new TypeReference<Map<String, Object>>() {
        });
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

---

From source file:at.plechinger.spring.security.scribe.JsonUtil.java

public static Map<String, Object> parseMap(String input) throws IOException {
    JsonFactory factory = new JsonFactory();
    ObjectMapper mapper = new ObjectMapper(factory);
    TypeReference<HashMap<String, Object>> typeRef = new TypeReference<HashMap<String, Object>>() {
    };//from   w w  w  .  j  a va2 s .  c o  m
    return mapper.readValue(input, typeRef);
}

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From source file:com.vmware.photon.controller.api.frontend.lib.UsageTagHelper.java

public static List<UsageTag> deserialize(String concatenatedUsageTags) {
    if (StringUtils.isBlank(concatenatedUsageTags)) {
        throw new IllegalArgumentException("Blank string cannot be deserialized to list of UsageTags");
    }/*from  w  w  w .j ava2  s . c  om*/

    try {
        List<UsageTag> usageTags = objectMapper.readValue(concatenatedUsageTags,
                new TypeReference<List<UsageTag>>() {
                });
        Collections.sort(usageTags);
        return usageTags;
    } catch (IOException e) {
        logger.error(String.format("Error deserializing UsageTag %s", concatenatedUsageTags), e);
        throw new IllegalArgumentException(
                String.format("Error deserializing UsageTag %s", concatenatedUsageTags), e);
    }
}

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From source file:com.damnhandy.uri.template.conformance.AbstractUriTemplateConformanceTest.java

/**
 * <p>/*from  ww  w .j av  a  2  s .  c o m*/
 * Loads the test data from the JSON file and generated the parameter list.
 * </p>
 *
 * @param file
 * @return
 * @throws Exception
 */
@SuppressWarnings("unchecked")
protected static Collection<Object[]> loadTestData(File file) throws Exception {
    InputStream in = new FileInputStream(file);
    try {
        ObjectMapper mapper = new ObjectMapper();
        Map<String, Object> testsuites = mapper.readValue(in, new TypeReference<Map<String, Object>>() {
        });

        List<Object[]> params = new ArrayList<Object[]>();
        for (Map.Entry<String, Object> entry : testsuites.entrySet()) {
            String name = entry.getKey();
            Map<String, Object> testsuite = (Map<String, Object>) entry.getValue();
            Map<String, Object> variables = (Map<String, Object>) testsuite.get("variables");
            List<List<Object>> testcases = (List<List<Object>>) testsuite.get("testcases");

            for (List<Object> test : testcases) {
                Object[] p = new Object[4];
                p[0] = variables;
                p[1] = test.get(0); // expression
                p[2] = test.get(1); // expected result
                p[3] = name; // test suite label
                params.add(p);
            }
        }
        return params;
    } finally {
        in.close();
    }

}

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