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:de.stadtrallye.rallyesoft.model.Server.java

public void save() throws IOException {
    ObjectMapper mapper = Serialization.getJsonInstance();
    mapper.writeValue(Storage.getServerConfigOutputStream(), this);
}

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From source file:it.bz.tis.integreen.carsharingbzit.api.ApiClient.java

public <T> T callWebService(ServiceRequest request, Class<T> clazz) throws IOException {

    request.request.technicalUser.username = this.user;
    request.request.technicalUser.password = this.password;

    ObjectMapper mapper = new ObjectMapper();
    mapper.setVisibility(PropertyAccessor.FIELD, Visibility.NONE)
            .setVisibility(PropertyAccessor.IS_GETTER, Visibility.PUBLIC_ONLY)
            .setVisibility(PropertyAccessor.GETTER, Visibility.PUBLIC_ONLY)
            .setVisibility(PropertyAccessor.SETTER, Visibility.PUBLIC_ONLY);
    mapper.enable(SerializationFeature.INDENT_OUTPUT);

    StringWriter sw = new StringWriter();
    mapper.writeValue(sw, request);

    String requestJson = sw.getBuffer().toString();

    logger.debug("callWebService(): jsonRequest:" + requestJson);

    URL url = new URL(this.endpoint);
    HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
    conn.setRequestMethod("POST");
    conn.setDoOutput(true);/*  ww w.  ja v  a  2s.  c  o m*/
    OutputStream out = conn.getOutputStream();
    out.write(requestJson.getBytes("UTF-8"));
    out.flush();
    int responseCode = conn.getResponseCode();

    InputStream input = conn.getInputStream();

    ByteArrayOutputStream data = new ByteArrayOutputStream();
    int len;
    byte[] buf = new byte[50000];
    while ((len = input.read(buf)) > 0) {
        data.write(buf, 0, len);
    }
    conn.disconnect();
    String jsonResponse = new String(data.toByteArray(), "UTF-8");

    if (responseCode != 200) {
        throw new IOException(jsonResponse);
    }

    logger.debug("callWebService(): jsonResponse:" + jsonResponse);

    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    T response = mapper.readValue(new StringReader(jsonResponse), clazz);

    mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
    sw = new StringWriter();
    mapper.writeValue(sw, response);
    logger.debug(
            "callWebService(): parsed response into " + response.getClass().getName() + ":" + sw.toString());

    return response;
}

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From source file:org.finra.dm.tools.common.databridge.AbstractDataBridgeTest.java

/**
 * Serializes provided manifest instance as JSON output, written to a file in the specified directory.
 *
 * @param baseDir the local parent directory path, relative to which the manifest file should be created
 * @param manifest the manifest instance to serialize
 *
 * @return the resulting file//from ww w  .ja v a 2s  . c  om
 */
protected File createManifestFile(String baseDir, Object manifest) throws IOException {
    // Create result file object
    Path resultFilePath = Paths.get(baseDir, String.format("manifest-%d.json", getNextUniqueIndex()));
    File resultFile = new File(resultFilePath.toString());

    // Convert Java object to JSON format
    ObjectMapper mapper = new ObjectMapper();
    mapper.writeValue(resultFile, manifest);

    return resultFile;
}

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From source file:org.dawnsci.commandserver.core.process.ProgressableProcess.java

/**
 * /*from   ww  w .  j a  va2 s  . co m*/
 * @param dir
 * @param fileName
 * @throws Exception
 */
protected void writeProjectBean(final File dir, final String fileName) throws Exception {

    final File beanFile = new File(dir, fileName);
    ObjectMapper mapper = new ObjectMapper();
    beanFile.getParentFile().mkdirs();
    if (!beanFile.exists())
        beanFile.createNewFile();

    final FileOutputStream stream = new FileOutputStream(beanFile);
    try {
        mapper.writeValue(stream, bean);
    } finally {
        stream.close();
    }
}

---

From source file:it.uniroma2.sag.kelp.linearization.nystrom.NystromMethod.java

/**
 * Save a Nystrom-based projection function in a file. If the .gz suffix is
 * used a compressed file is obtained/*from  w w  w . j a v  a 2s  .c o  m*/
 * 
 * @param outputFilePath
 *            the output file path
 * @throws FileNotFoundException
 * @throws IOException
 */
public void save(String outputFilePath) throws FileNotFoundException, IOException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.enable(SerializationFeature.INDENT_OUTPUT);

    OutputStreamWriter out = new OutputStreamWriter(FileUtils.createOutputStream(outputFilePath), "utf8");
    mapper.writeValue(out, this);
    out.close();
}

---

From source file:com.ikanow.aleph2.data_model.utils.TestCrudUtils.java

/** Create a DB object from a bean template
 * @param bean_template/*from  w w w.java 2  s. co  m*/
 * @return
 * @throws IOException 
 * @throws JsonMappingException 
 * @throws JsonGenerationException 
 */
public static DBObject convertBeanTemplate(BeanTemplate<Object> bean_template, ObjectMapper object_mapper) {
    try {
        final BsonObjectGenerator generator = new BsonObjectGenerator();
        object_mapper.writeValue(generator, bean_template.get());
        return generator.getDBObject();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:com.msopentech.odatajclient.testservice.utils.JSONUtilities.java

public InputStream addJsonInlinecount(final InputStream src, final int count, final Accept accept)
        throws Exception {
    final ObjectMapper mapper = new ObjectMapper();
    final JsonNode srcNode = mapper.readTree(src);

    ((ObjectNode) srcNode).put(ODATA_COUNT_NAME, count);

    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    mapper.writeValue(bos, srcNode);

    final InputStream res = new ByteArrayInputStream(bos.toByteArray());
    IOUtils.closeQuietly(bos);//from  w ww  .  ja  v  a 2 s.c o m

    return res;
}

---

From source file:servlets.Signin.java

/**
 * Processing POST requests on /signup//  www .  jav a2  s . co  m
 *
 * @param request servlet request in JSON
 * @param response servlet response inJSON
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // JSON ?  ?
    StringBuffer jb = new StringBuffer();
    String line = null;
    try {
        BufferedReader reader = request.getReader();
        while ((line = reader.readLine()) != null) {
            jb.append(line);
        }
    } catch (IOException ex) {

    }
    String sourceJson = jb.toString();
    ObjectMapper mapper = new ObjectMapper();
    InsertUserTemplate userToAdd = mapper.readValue(sourceJson, InsertUserTemplate.class);
    // JSON    ?    
    int status = UserActions.loginUser(userToAdd, request.getSession().getId());
    try (PrintWriter out = response.getWriter()) {
        if (status == 200) {
            InsertedUserTemplate userTempl = new InsertedUserTemplate(status, request.getSession().getId());
            mapper.writeValue(out, userTempl);
        } else {
            response.setStatus(status);
            ErrorTemplate error = new ErrorTemplate(status);
            mapper.writeValue(out, error);
        }

    } catch (Exception e) {
        //do somthing
    }
}

---

From source file:fll.web.api.SubjectiveScoresServlet.java

@SuppressFBWarnings(value = {
        "SQL_PREPARED_STATEMENT_GENERATED_FROM_NONCONSTANT_STRING" }, justification = "columns and category are dynamic")
@Override/* w  ww  .j ava 2 s.  c  o  m*/
protected final void doGet(final HttpServletRequest request, final HttpServletResponse response)
        throws IOException, ServletException {
    final ServletContext application = getServletContext();

    final DataSource datasource = ApplicationAttributes.getDataSource(application);
    Connection connection = null;
    PreparedStatement prep = null;
    ResultSet rs = null;
    try {
        connection = datasource.getConnection();

        final int currentTournament = Queries.getCurrentTournament(connection);

        // category->judge->teamNumber->score
        final Map<String, Map<String, Map<Integer, SubjectiveScore>>> allScores = new HashMap<String, Map<String, Map<Integer, SubjectiveScore>>>();

        final ChallengeDescription challengeDescription = ApplicationAttributes
                .getChallengeDescription(application);
        for (final ScoreCategory sc : challengeDescription.getSubjectiveCategories()) {
            // judge->teamNumber->score
            final Map<String, Map<Integer, SubjectiveScore>> categoryScores = new HashMap<String, Map<Integer, SubjectiveScore>>();

            prep = connection.prepareStatement("SELECT * FROM " + sc.getName() + " WHERE Tournament = ?");
            prep.setInt(1, currentTournament);

            rs = prep.executeQuery();
            while (rs.next()) {
                final SubjectiveScore score = new SubjectiveScore();
                score.setScoreOnServer(true);

                final String judge = rs.getString("Judge");
                final Map<Integer, SubjectiveScore> judgeScores;
                if (categoryScores.containsKey(judge)) {
                    judgeScores = categoryScores.get(judge);
                } else {
                    judgeScores = new HashMap<Integer, SubjectiveScore>();
                    categoryScores.put(judge, judgeScores);
                }

                score.setTeamNumber(rs.getInt("TeamNumber"));
                score.setJudge(judge);
                score.setNoShow(rs.getBoolean("NoShow"));
                score.setNote(rs.getString("note"));

                final Map<String, Double> standardSubScores = new HashMap<String, Double>();
                final Map<String, String> enumSubScores = new HashMap<String, String>();
                for (final AbstractGoal goal : sc.getGoals()) {
                    if (goal.isEnumerated()) {
                        final String value = rs.getString(goal.getName());
                        enumSubScores.put(goal.getName(), value);
                    } else {
                        final double value = rs.getDouble(goal.getName());
                        standardSubScores.put(goal.getName(), value);
                    }
                }
                score.setStandardSubScores(standardSubScores);
                score.setEnumSubScores(enumSubScores);

                judgeScores.put(score.getTeamNumber(), score);
            }

            allScores.put(sc.getName(), categoryScores);

            SQLFunctions.close(rs);
            rs = null;
            SQLFunctions.close(prep);
            prep = null;
        }

        final ObjectMapper jsonMapper = new ObjectMapper();

        response.reset();
        response.setContentType("application/json");
        final PrintWriter writer = response.getWriter();
        jsonMapper.writeValue(writer, allScores);

    } catch (final SQLException e) {
        throw new RuntimeException(e);
    } finally {
        SQLFunctions.close(rs);
        SQLFunctions.close(prep);
        SQLFunctions.close(connection);
    }

}

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From source file:com.github.braully.graph.DatabaseFacade.java

public static synchronized void saveResult(UndirectedSparseGraphTO graph, IGraphOperation graphOperation,
        Map<String, Object> result, List<String> consoleOut) {
    if (result != null && graph != null && graphOperation != null) {
        try {/*from   w  ww.j a  v  a 2s.com*/

            List<RecordResultGraph> results = null;
            ObjectMapper mapper = new ObjectMapper();
            try {
                results = mapper.readValue(new File(DATABASE_URL), List.class);
            } catch (Exception e) {

            }
            if (results == null) {
                results = new ArrayList<RecordResultGraph>();
            }
            RecordResultGraph record = new RecordResultGraph();
            String fileGraph = saveGraph(graph);
            String fileConsole = saveConsole(consoleOut, fileGraph);
            record.status = "ok";
            record.graph = fileGraph;
            record.name = graph.getName();
            record.edges = "" + graph.getEdgeCount();
            record.vertices = "" + graph.getVertexCount();
            record.operation = graphOperation.getName();
            record.type = graphOperation.getTypeProblem();
            record.date = new SimpleDateFormat("yyyy-MM-dd HH:mm").format(new Date());
            record.results = resultMapToString(result);
            record.id = "" + results.size();
            record.console = fileConsole;
            results.add(record);
            mapper.writeValue(new File(DATABASE_URL), results);
            removeBatchDiretoryIfExists(graph);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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