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

Introduction

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

Prototype

public void writeValue(Writer w, Object value)
        throws IOException, JsonGenerationException, JsonMappingException 

Source Link

Document

Method that can be used to serialize any Java value as JSON output, using Writer provided.

Usage

From source file:org.apache.marmotta.client.clients.ConfigurationClient.java

/**
 * Update the configuration "key" with the given value. Value can be either a list of values or one of the
 * primitive types String, Boolean, Integer, Double
 * @param key//from   w w  w . ja  v a  2  s  .  co m
 * @param value
 * @throws IOException
 * @throws MarmottaClientException
 */
public void setConfiguration(String key, final Object value) throws IOException, MarmottaClientException {
    HttpClient httpClient = HTTPUtil.createClient(config);

    String serviceUrl = config.getMarmottaUri() + URL_CONFIG_SERVICE + "/data/"
            + URLEncoder.encode(key, "utf-8");

    HttpPost post = new HttpPost(serviceUrl);
    post.setHeader("Content-Type", "application/json");
    ContentProducer cp = new ContentProducer() {
        @Override
        public void writeTo(OutputStream outstream) throws IOException {
            ObjectMapper mapper = new ObjectMapper();
            if (value instanceof Collection) {
                mapper.writeValue(outstream, value);
            } else {
                mapper.writeValue(outstream, Collections.singletonList(value.toString()));
            }
        }
    };
    post.setEntity(new EntityTemplate(cp));

    try {

        HttpResponse response = httpClient.execute(post);

        switch (response.getStatusLine().getStatusCode()) {
        case 200:
            log.debug("configuration {} updated successfully", key);
            break;
        case 404:
            log.error("configuration with key {} does not exist", key);
            throw new NotFoundException("configuration with key " + key + " does not exist");
        default:
            log.error("error updating configuration {}: {} {}", new Object[] { key,
                    response.getStatusLine().getStatusCode(), response.getStatusLine().getReasonPhrase() });
            throw new MarmottaClientException(
                    "error updating configuration " + key + ": " + response.getStatusLine().getStatusCode()
                            + " " + response.getStatusLine().getReasonPhrase());
        }

    } finally {
        post.releaseConnection();
    }
}

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From source file:MappingTest.java

public void eventMappingTest() {
    String json = "{ \"_id\":{\"$oid\":\"53934cba30047a8c9f648508\"},\n" + "    \"timestamp\":1402162485485,\n"
            + "    \"endTime\":1402162487685,\n" + "    \"appId\":\"demoApp\",\n"
            + "    \"nodeId\":\"Node1\",\n" + "    \"data\" : {\n" + "        \"eventType\":\"VM_EXECUTION\",\n"
            + "        \"message\":\"Job crashed with error 0x212\" }}";

    ObjectMapper om = new ObjectMapper();
    try {/* w  w w. j  ava  2 s .  c  om*/
        Event e = om.readValue(json.getBytes(), Event.class);
        assertThat(e.getId()).isEqualToIgnoringCase("53934cba30047a8c9f648508");
        assertThat(e.appId).isEqualToIgnoringCase("demoApp");
        assertThat(e.data.get("eventType").asText()).isEqualTo("VM_EXECUTION");

        om.writeValue(System.out, e);
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

---

From source file:net.roboconf.dm.rest.commons.json.JSonBindingUtilsTest.java

@Test
public void testComponentBinding_1() throws Exception {

    final String result = "{\"name\":\"component 1\",\"installer\":\"target\"}";
    ObjectMapper mapper = JSonBindingUtils.createObjectMapper();

    Component comp = new Component("component 1").installerName("target");
    StringWriter writer = new StringWriter();
    mapper.writeValue(writer, comp);
    String s = writer.toString();

    Assert.assertEquals(result, s);/*w ww .j a  va 2  s .c o m*/
    Component readComp = mapper.readValue(result, Component.class);
    Assert.assertEquals(comp, readComp);
    Assert.assertEquals(comp.getName(), readComp.getName());
    Assert.assertEquals(comp.getInstallerName(), readComp.getInstallerName());
}

---

From source file:net.hamnaberg.json.Collection.java

public void writeTo(Writer writer) throws IOException {
    ObjectMapper mapper = new ObjectMapper();
    ObjectNode obj = mapper.createObjectNode();
    obj.set("collection", asJson());
    mapper.writeValue(writer, obj);
}

---

From source file:net.roboconf.dm.rest.commons.json.JSonBindingUtilsTest.java

@Test
public void testApplicationBinding_1() throws Exception {

    final String result = "{\"name\":\"app1\",\"desc\":\"some text\",\"qualifier\":\"v1\"}";
    ObjectMapper mapper = JSonBindingUtils.createObjectMapper();

    Application app = new Application("app1").description("some text").qualifier("v1");
    StringWriter writer = new StringWriter();
    mapper.writeValue(writer, app);
    String s = writer.toString();

    Assert.assertEquals(result, s);// w ww  .  j a  va 2  s . co m
    Application readApp = mapper.readValue(result, Application.class);
    Assert.assertEquals(app, readApp);
    Assert.assertEquals(app.getName(), readApp.getName());
    Assert.assertEquals(app.getDescription(), readApp.getDescription());
    Assert.assertEquals(app.getQualifier(), readApp.getQualifier());
}

---

From source file:io.fabric8.maven.plugin.HelmIndexMojo.java

@Override
public void executeInternal() throws MojoExecutionException, MojoFailureException {
    outputFile.getParentFile().mkdirs();

    log.info("Creating Helm Chart Index file at: %s", outputFile);
    List<ArtifactDTO> artifacts = searchMaven("?q=l:%22helm%22");
    Map<String, ChartInfo> charts = new TreeMap<>();
    for (ArtifactDTO artifact : artifacts) {
        addChartInfo(charts, artifact);// www.jav a 2  s  .c om
    }

    Set<Map.Entry<String, ChartInfo>> entries = charts.entrySet();
    for (Map.Entry<String, ChartInfo> entry : entries) {
        getLog().debug("" + entry.getKey() + " = " + entry.getValue());
    }
    try {
        ObjectMapper mapper = KubernetesHelper.createYamlObjectMapper();
        mapper.writeValue(outputFile, charts);
    } catch (IOException e) {
        throw new MojoExecutionException("Failed to write results as YAML to: " + outputFile + ". " + e, e);
    }

    generateHTML(outputHtmlFile, charts);
}

---

From source file:org.jboss.pnc.indyrepositorymanager.AbstractRepositoryManagerDriverTest.java

@Before
public void setup() throws Exception {
    fixture = newServerFixture();//from  w ww.  jav a  2 s .c o  m

    Properties sysprops = System.getProperties();
    oldIni = sysprops.getProperty(CONFIG_SYSPROP);

    url = fixture.getUrl();
    File configFile = temp.newFile("pnc-config.json");
    ModuleConfigJson moduleConfigJson = new ModuleConfigJson("pnc-config");
    IndyRepoDriverModuleConfig mavenRepoDriverModuleConfig = new IndyRepoDriverModuleConfig(fixture.getUrl());
    mavenRepoDriverModuleConfig.setInternalRepoPatterns(getInternalRepoPatterns());
    SystemConfig systemConfig = new SystemConfig("", "", "JAAS", "4", "4", "4", "", "5", null, "14", "", "10");
    PNCModuleGroup pncGroup = new PNCModuleGroup();
    pncGroup.addConfig(mavenRepoDriverModuleConfig);
    pncGroup.addConfig(systemConfig);
    moduleConfigJson.addConfig(pncGroup);

    ObjectMapper mapper = new ObjectMapper();
    PncConfigProvider<IndyRepoDriverModuleConfig> pncProvider = new PncConfigProvider<>(
            IndyRepoDriverModuleConfig.class);
    pncProvider.registerProvider(mapper);
    mapper.writeValue(configFile, moduleConfigJson);

    sysprops.setProperty(CONFIG_SYSPROP, configFile.getAbsolutePath());
    System.setProperties(sysprops);

    fixture.start();

    if (!fixture.isStarted()) {
        final BootStatus status = fixture.getBootStatus();
        throw new IllegalStateException("server fixture failed to boot.", status.getError());
    }

    Properties props = new Properties();
    props.setProperty("base.url", url);

    System.out.println("Using base URL: " + url);

    Configuration config = new Configuration();
    driver = new RepositoryManagerDriver(config);
}

---

From source file:com.jyzn.wifi.validate.other.JacksonTest.java

@Test
public void writeMapJSON() {

    ObjectMapper om = new ObjectMapper();
    try {/*from   w  w  w. j  a va  2 s  .c o m*/

        JsonGenerator jg = om.getFactory().createGenerator(System.out, JsonEncoding.UTF8);

        ImmutableMap<String, String> map = ImmutableMap.of("status", "sucess", "validateCode", "123456");

        jg.writeObject(map);
        //?om.writeValue/writeValueJsonGenerator.writeObject?
        om.writeValue(System.out, map);
        // om.writeValueAsString(map);

    } catch (IOException e) {
    }
}

---

From source file:com.github.arnebinder.hide.swagger.params.HiderMojo.java

@SuppressWarnings("unchecked")
public void execute() throws MojoExecutionException {

    getLog().info("Hide swagger elements with " + excludeKey + " \"" + excludeValue + "\"...");
    getLog().info("Load swagger JSON descriptions file: " + jsonfile);

    ObjectMapper m = new ObjectMapper();

    Map<String, Object> data;
    try {//ww w  .  ja  v  a 2  s .co m
        data = m.readValue(jsonfile, Map.class);
        invoke(data);
        if (overwriteJSON) {
            m.writeValue(jsonfile, data);
        }
    } catch (IOException e) {
        throw new MojoExecutionException("Could not read file: " + jsonfile, e);
    }

    ObjectMapper ym = new ObjectMapper(new YAMLFactory());
    try {
        ym.writeValue(yamlfile, data);
    } catch (IOException e) {
        throw new MojoExecutionException("Could not write file: " + yamlfile, e);
    }

    if (mergeYamlFile != null) {
        getLog().info("Merge with yaml file: " + mergeYamlFile);
        JsonNode rootNode;
        JsonNode updateNode;
        try {
            rootNode = ym.readValue(yamlfile, JsonNode.class);
            updateNode = ym.readValue(mergeYamlFile, JsonNode.class);
        } catch (IOException e) {
            throw new MojoExecutionException("Could not read file: " + mergeYamlFile, e);
        }
        JsonNode merged = merge(rootNode, updateNode);
        try {
            ym.writeValue(yamlfile, merged);
        } catch (IOException e) {
            throw new MojoExecutionException("Could not write file: " + yamlfile, e);
        }
        getLog().info("Merging succeeded.");
    }

    getLog().info("Hiding succeeded.");
}

---

From source file:org.fusesource.restygwt.examples.server.PizzaServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    System.out.println("Processing Toppings Listing");
    try {//  w w w . j  a va 2  s . c om
        ObjectMapper mapper = new ObjectMapper();

        ArrayList<Topping> toppings = new ArrayList<Topping>();
        toppings.add(new Topping("pineapple", 0.50));
        toppings.add(new Topping("ham", 0.50));
        toppings.add(new Topping("peperoni", 0.50));

        StringWriter sw = new StringWriter();
        mapper.writeValue(sw, toppings);
        System.out.println("Response: " + sw.toString());

        resp.setContentType(Resource.CONTENT_TYPE_JSON);
        mapper.writeValue(resp.getOutputStream(), toppings);

    } catch (Throwable e) {
        e.printStackTrace();
    } finally {
        System.out.flush();
        System.err.flush();
    }
}

---

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