Example usage for com.fasterxml.jackson.databind ObjectMapper reader

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind ObjectMapper reader.

Prototype

public ObjectReader reader() 

Source Link

Document

Factory method for constructing ObjectReader with default settings.

Usage

From source file:com.jayway.jsonpath.internal.spi.json.JacksonJsonProvider.java

/**
 * Initialize the JacksonProvider with a custom ObjectMapper.
 * @param objectMapper the ObjectMapper to use
 *//*from  w w  w. java  2s.  c  o m*/
public JacksonJsonProvider(ObjectMapper objectMapper) {
    this(objectMapper, objectMapper.reader().withType(Object.class));
}

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From source file:com.github.shredder121.gh_event_api.handler.AbstractHandlerTest.java

public String minimize(final InputStream stream) throws IOException {
    ObjectMapper mapper = Jackson2ObjectMapperBuilder.json().build();
    Map<String, Object> content = mapper.reader().forType(Map.class).readValue(stream);
    return mapper.writer(new MinimalPrettyPrinter(null/*minimizes*/)).writeValueAsString(content);
}

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From source file:io.mesosphere.mesos.frameworks.cassandra.scheduler.api.AbstractApiControllerTest.java

@NotNull
protected Tuple2<Integer, JsonNode> fetchJson(final String rel, final boolean post) throws Exception {
    final JsonFactory factory = new JsonFactory();
    final HttpURLConnection conn = (HttpURLConnection) resolve(rel).toURL().openConnection();
    try {//from   w ww.jav  a  2  s. co  m
        conn.setRequestMethod(post ? "POST" : "GET");
        conn.setRequestProperty("Accept", "application/json");
        conn.connect();

        final int responseCode = conn.getResponseCode();

        InputStream in;
        try {
            in = conn.getInputStream();
        } catch (final IOException e) {
            in = conn.getErrorStream();
        }
        if (in == null) {
            return Tuple2.tuple2(responseCode, (JsonNode) MissingNode.getInstance());
        }

        assertEquals("application/json", conn.getHeaderField("Content-Type"));

        try {
            final ObjectMapper om = new ObjectMapper();
            return Tuple2.tuple2(responseCode, om.reader().with(factory).readTree(in));
        } finally {
            in.close();
        }
    } finally {
        conn.disconnect();
    }
}

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From source file:org.onosproject.drivers.ciena.waveserver.rest.CienaRestDevice.java

private JsonNode get(String uri) throws IOException {
    InputStream response = controller.get(deviceId, uri, MediaType.valueOf(MediaType.APPLICATION_JSON));
    ObjectMapper om = new ObjectMapper();
    final ObjectReader reader = om.reader();
    // all waveserver responses contain data node, which contains the requested data
    return reader.readTree(response).get(DATA);
}

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From source file:org.talend.dataprep.api.filter.SimpleFilterService.java

@Override
public Predicate<DataSetRow> build(String filterAsString, RowMetadata rowMetadata) {
    if (isEmpty(filterAsString)) {
        return r -> true;
    }//ww  w.j  a  v a 2 s.c o  m
    try {
        ObjectMapper mapper = new ObjectMapper();
        final JsonNode root = mapper.reader().readTree(filterAsString);
        final Iterator<JsonNode> elements = root.elements();
        if (!elements.hasNext()) {
            throw new IllegalArgumentException("Malformed filter: " + filterAsString);
        } else {
            return buildFilter(root, rowMetadata);
        }
    } catch (Exception e) {
        throw new TalendRuntimeException(BaseErrorCodes.UNABLE_TO_PARSE_FILTER, e);
    }
}

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From source file:net.opentsdb.tools.ConfigArgP.java

/**
 * Creates a new ConfigArgP/*  w ww  .j  a va  2 s.co  m*/
 * @param args The command line arguments
 */
public ConfigArgP(String... args) {
    InputStream is = null;

    try {
        final Config loadConfig = new NoLoadConfig();
        is = ConfigArgP.class.getClassLoader().getResourceAsStream("opentsdb.conf.json");
        ObjectMapper jsonMapper = new ObjectMapper();
        JsonNode root = jsonMapper.reader().readTree(is);
        JsonNode configRoot = root.get("config-items");
        scriptEngine.eval("var config = " + configRoot.toString() + ";");
        processBindings(jsonMapper, root);
        final ConfigurationItem[] loadedItems = jsonMapper.reader(ConfigurationItem[].class)
                .readValue(configRoot);
        final TreeSet<ConfigurationItem> items = new TreeSet<ConfigurationItem>(Arrays.asList(loadedItems));
        LOG.info("Loaded [{}] Configuration Items from opentsdb.conf.json", items.size());
        //         if(LOG.isDebugEnabled()) {
        StringBuilder b = new StringBuilder("Configs:");
        for (ConfigurationItem ci : items) {
            b.append("\n\t").append(ci.toString());
        }
        b.append("\n");
        LOG.info(b.toString());
        //         }
        for (ConfigurationItem ci : items) {
            LOG.debug("Processing CI [{}]", ci.getKey());
            if (ci.meta != null) {
                argp.addOption(ci.clOption, ci.meta, ci.description);
                if ("default".equals(ci.help))
                    dargp.addOption(ci.clOption, ci.meta, ci.description);
            } else {
                argp.addOption(ci.clOption, ci.description);
                if ("default".equals(ci.help))
                    dargp.addOption(ci.clOption, ci.description);
            }
            if (!configItemsByKey.add(ci)) {
                throw new RuntimeException("Duplicate configuration key [" + ci.key
                        + "] in opentsdb.conf.json. Programmer Error.");
            }
            if (!configItemsByCl.add(ci)) {
                throw new RuntimeException("Duplicate configuration command line option [" + ci.clOption
                        + "] in opentsdb.conf.json. Programmer Error.");
            }
            if (ci.getDefaultValue() != null) {
                ci.setValue(processConfigValue(ci.getDefaultValue()));
                loadConfig.overrideConfig(ci.key, processConfigValue(ci.getValue()));
            }
        }
        //loadConfig.loadStaticVariables();
        // find --config and --include-config in argp and load into config 
        //      validate
        //argp.parse(args);
        this.config = new Config(loadConfig);
        nonOptionArgs = applyArgs(args);
    } catch (Exception ex) {
        if (ex instanceof IllegalArgumentException) {
            throw (IllegalArgumentException) ex;
        }
        throw new RuntimeException("Failed to read opentsdb.conf.json", ex);
    } finally {
        if (is != null)
            try {
                is.close();
            } catch (Exception x) {
                /* No Op */ }
    }
}

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From source file:io.fabric8.devops.connector.DevOpsConnector.java

protected JsonNode parseLastBuildJson(String urlText) {
    HttpURLConnection connection = null;
    String message = null;/* w w  w .  j  ava2s. c o  m*/
    try {
        URL url = new URL(urlText);
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");
        connection.setRequestProperty("Content-Type", "application/json");

        int status = connection.getResponseCode();
        message = connection.getResponseMessage();
        getLog().info("Got response code from URL: " + url + " " + status + " message: " + message);
        if (status != 200 || Strings.isNullOrBlank(message)) {
            getLog().debug("Failed to load URL " + url + ". Status: " + status + " message: " + message);
        } else {
            ObjectMapper objectMapper = new ObjectMapper();
            return objectMapper.reader().readTree(message);
        }
    } catch (Exception e) {
        getLog().debug("Failed to load URL " + urlText + ". " + e, e);
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }

    return null;
}

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