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

Introduction

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

Prototype

public ObjectWriter writerWithView(Class<?> serializationView) 

Source Link

Document

Factory method for constructing ObjectWriter that will serialize objects using specified JSON View (filter).

Usage

From source file:com.twentyn.patentScorer.ScoreMerger.java

public static void main(String[] args) throws Exception {
    System.out.println("Starting up...");
    System.out.flush();/*w w  w  .  java  2  s . com*/
    Options opts = new Options();
    opts.addOption(Option.builder("h").longOpt("help").desc("Print this help message and exit").build());

    opts.addOption(Option.builder("r").longOpt("results").required().hasArg()
            .desc("A directory of search results to read").build());
    opts.addOption(Option.builder("s").longOpt("scores").required().hasArg()
            .desc("A directory of patent classification scores to read").build());
    opts.addOption(Option.builder("o").longOpt("output").required().hasArg()
            .desc("The output file where results will be written.").build());

    HelpFormatter helpFormatter = new HelpFormatter();
    CommandLineParser cmdLineParser = new DefaultParser();
    CommandLine cmdLine = null;
    try {
        cmdLine = cmdLineParser.parse(opts, args);
    } catch (ParseException e) {
        System.out.println("Caught exception when parsing command line: " + e.getMessage());
        helpFormatter.printHelp("DocumentIndexer", opts);
        System.exit(1);
    }

    if (cmdLine.hasOption("help")) {
        helpFormatter.printHelp("DocumentIndexer", opts);
        System.exit(0);
    }
    File scoresDirectory = new File(cmdLine.getOptionValue("scores"));
    if (cmdLine.getOptionValue("scores") == null || !scoresDirectory.isDirectory()) {
        LOGGER.error("Not a directory of score files: " + cmdLine.getOptionValue("scores"));
    }

    File resultsDirectory = new File(cmdLine.getOptionValue("results"));
    if (cmdLine.getOptionValue("results") == null || !resultsDirectory.isDirectory()) {
        LOGGER.error("Not a directory of results files: " + cmdLine.getOptionValue("results"));
    }

    FileWriter outputWriter = new FileWriter(cmdLine.getOptionValue("output"));

    ObjectMapper objectMapper = new ObjectMapper();
    objectMapper.enable(SerializationFeature.INDENT_OUTPUT);
    objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);

    FilenameFilter jsonFilter = new FilenameFilter() {
        public final Pattern JSON_PATTERN = Pattern.compile("\\.json$");

        public boolean accept(File dir, String name) {
            return JSON_PATTERN.matcher(name).find();
        }
    };

    Map<String, PatentScorer.ClassificationResult> scores = new HashMap<>();
    LOGGER.info("Reading scores from directory at " + scoresDirectory.getAbsolutePath());
    for (File scoreFile : scoresDirectory.listFiles(jsonFilter)) {
        BufferedReader reader = new BufferedReader(new FileReader(scoreFile));
        int count = 0;
        String line;
        while ((line = reader.readLine()) != null) {
            PatentScorer.ClassificationResult res = objectMapper.readValue(line,
                    PatentScorer.ClassificationResult.class);
            scores.put(res.docId, res);
            count++;
        }
        LOGGER.info("Read " + count + " scores from " + scoreFile.getAbsolutePath());
    }

    Map<String, List<DocumentSearch.SearchResult>> synonymsToResults = new HashMap<>();
    Map<String, List<DocumentSearch.SearchResult>> inchisToResults = new HashMap<>();
    LOGGER.info("Reading results from directory at " + resultsDirectory);
    // With help from http://stackoverflow.com/questions/6846244/jackson-and-generic-type-reference.
    JavaType resultsType = objectMapper.getTypeFactory().constructCollectionType(List.class,
            DocumentSearch.SearchResult.class);

    List<File> resultsFiles = Arrays.asList(resultsDirectory.listFiles(jsonFilter));
    Collections.sort(resultsFiles, new Comparator<File>() {
        @Override
        public int compare(File o1, File o2) {
            return o1.getName().compareTo(o2.getName());
        }
    });
    for (File resultsFile : resultsFiles) {
        BufferedReader reader = new BufferedReader(new FileReader(resultsFile));
        CharBuffer buffer = CharBuffer.allocate(Long.valueOf(resultsFile.length()).intValue());
        int bytesRead = reader.read(buffer);
        LOGGER.info("Read " + bytesRead + " bytes from " + resultsFile.getName() + " (length is "
                + resultsFile.length() + ")");
        List<DocumentSearch.SearchResult> results = objectMapper.readValue(new CharArrayReader(buffer.array()),
                resultsType);

        LOGGER.info("Read " + results.size() + " results from " + resultsFile.getAbsolutePath());

        int count = 0;
        for (DocumentSearch.SearchResult sres : results) {
            for (DocumentSearch.ResultDocument resDoc : sres.getResults()) {
                String docId = resDoc.getDocId();
                PatentScorer.ClassificationResult classificationResult = scores.get(docId);
                if (classificationResult == null) {
                    LOGGER.warn("No classification result found for " + docId);
                } else {
                    resDoc.setClassifierScore(classificationResult.getScore());
                }
            }
            if (!synonymsToResults.containsKey(sres.getSynonym())) {
                synonymsToResults.put(sres.getSynonym(), new ArrayList<DocumentSearch.SearchResult>());
            }
            synonymsToResults.get(sres.getSynonym()).add(sres);
            count++;
            if (count % 1000 == 0) {
                LOGGER.info("Processed " + count + " search result documents");
            }
        }
    }

    Comparator<DocumentSearch.ResultDocument> resultDocumentComparator = new Comparator<DocumentSearch.ResultDocument>() {
        @Override
        public int compare(DocumentSearch.ResultDocument o1, DocumentSearch.ResultDocument o2) {
            int cmp = o2.getClassifierScore().compareTo(o1.getClassifierScore());
            if (cmp != 0) {
                return cmp;
            }
            cmp = o2.getScore().compareTo(o1.getScore());
            return cmp;
        }
    };

    for (Map.Entry<String, List<DocumentSearch.SearchResult>> entry : synonymsToResults.entrySet()) {
        DocumentSearch.SearchResult newSearchRes = null;
        // Merge all result documents into a single search result.
        for (DocumentSearch.SearchResult sr : entry.getValue()) {
            if (newSearchRes == null) {
                newSearchRes = sr;
            } else {
                newSearchRes.getResults().addAll(sr.getResults());
            }
        }
        if (newSearchRes == null || newSearchRes.getResults() == null) {
            LOGGER.error("Search results for " + entry.getKey() + " are null.");
            continue;
        }
        Collections.sort(newSearchRes.getResults(), resultDocumentComparator);
        if (!inchisToResults.containsKey(newSearchRes.getInchi())) {
            inchisToResults.put(newSearchRes.getInchi(), new ArrayList<DocumentSearch.SearchResult>());
        }
        inchisToResults.get(newSearchRes.getInchi()).add(newSearchRes);
    }

    List<String> sortedKeys = new ArrayList<String>(inchisToResults.keySet());
    Collections.sort(sortedKeys);
    List<GroupedInchiResults> orderedResults = new ArrayList<>(sortedKeys.size());
    Comparator<DocumentSearch.SearchResult> synonymSorter = new Comparator<DocumentSearch.SearchResult>() {
        @Override
        public int compare(DocumentSearch.SearchResult o1, DocumentSearch.SearchResult o2) {
            return o1.getSynonym().compareTo(o2.getSynonym());
        }
    };
    for (String inchi : sortedKeys) {
        List<DocumentSearch.SearchResult> res = inchisToResults.get(inchi);
        Collections.sort(res, synonymSorter);
        orderedResults.add(new GroupedInchiResults(inchi, res));
    }

    objectMapper.writerWithView(Object.class).writeValue(outputWriter, orderedResults);
    outputWriter.close();
}

---

From source file:com.infinities.skyport.util.JsonUtil.java

public static String toJson(Object object, Class<? extends Views.Short> view) {
    ObjectMapper mapper = getObjectMapper();
    ObjectWriter writer = mapper.writerWithView(view).withDefaultPrettyPrinter();
    try {//from   w  w w. j a v a  2 s  .  c  o m
        if (object == null || "".equals(object)) {
            object = mapper.createObjectNode();
        }
        return writer.writeValueAsString(object);
    } catch (Exception e) {
        logger.error("json parsing failed", e);
        throw new RuntimeException(e);
    }
}

---

From source file:com.infinities.skyport.util.JsonUtil.java

public static String toJson(boolean insertResponseCode, String msg, Object object,
        Class<? extends Views.Short> view) {
    ObjectMapper mapper = getObjectMapper();
    ObjectWriter writer = mapper.writerWithView(view).withDefaultPrettyPrinter();
    JsonNode rootNode = mapper.createObjectNode();

    try {//  w  ww. j av  a 2  s . c om
        if (object == null || "".equals(object)) {
            object = mapper.createObjectNode();
        }

        String temp = writer.writeValueAsString(object);
        rootNode = mapper.readTree(temp);
    } catch (Exception e) {
        logger.error("json parsing failed", e);

    }

    ObjectNode root = getObjectMapper().createObjectNode();
    root.put(JsonConstants.STATUS, insertResponseCode ? 1 : 0).put(JsonConstants.MSG, msg)
            .put(JsonConstants._DATA, rootNode);

    try {
        return getObjectMapper().configure(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS, false)
                .writeValueAsString(root);
    } catch (Exception e) {
        logger.error("json parsing failed", e);
        throw new RuntimeException(e);
    }
}

---

From source file:org.jongo.marshall.jackson.configuration.ViewWriterCallback.java

public ObjectWriter getWriter(ObjectMapper mapper, Object pojo) {
    return mapper.writerWithView(viewClass);
}

---

From source file:com.infinities.skyport.compute.entity.serializer.ShortSelfRecursiveSerializer.java

@Override
public void serialize(Serializable value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonGenerationException {

    ObjectMapper mapper = JsonUtil.getObjectMapper();

    ObjectWriter writer = mapper.writerWithView(Views.Short.class);
    StringWriter sw = new StringWriter();
    writer.writeValue(sw, value);/*from  www.  j av  a2s . co m*/

    JsonNode rootNode = mapper.readTree(sw.toString());

    jgen.writeObject(rootNode);

}

---

From source file:com.infinities.skyport.compute.entity.serializer.BasicSelfRecursiveSerializer.java

@Override
public void serialize(Collection<?> value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonGenerationException {

    ObjectMapper mapper = JsonUtil.getObjectMapper();

    ObjectWriter writer = mapper.writerWithView(Views.Basic.class);
    StringWriter sw = new StringWriter();
    writer.writeValue(sw, value);//w ww.  j  av  a  2 s .c  o  m

    JsonNode rootNode = mapper.readTree(sw.toString());

    jgen.writeObject(rootNode);

}

---

From source file:fr.esiea.esieaddress.controllers.crud.CrudContactCtrl.java

@Secured("ROLE_USER")
@RequestMapping(method = RequestMethod.GET, produces = "application/json")
@ResponseBody/*  ww w.j a  v a2 s  .  c  om*/
public void getAll(HttpServletResponse servletResponse) throws ServiceException, DaoException, IOException {

    LOGGER.info("[Controller] Querying Contact list");
    /*
     * Make the list with only id, firstname, lastname, actif
     */
    ObjectMapper objectMapper = new ObjectMapper();
    objectMapper.writerWithView(ContactView.LightView.class).writeValue(servletResponse.getOutputStream(),
            crudService.getAll());
}

---

From source file:com.blockwithme.lessobjects.schema.StructSchema.java

/** Instantiates a new struct envelope from Struct object. */
@SuppressWarnings("null")
public StructSchema(final Struct theStruct) {
    checkNotNull(theStruct);// ww  w.jav  a2 s. co  m
    final StructInfo structInfo = theStruct.structInfo();
    if (structInfo != null) {
        createdBy = structInfo.createdBy();
        createdOn = structInfo.createdOn();
        schemaVersion = structInfo.schemaVersion();
    } else {
        createdBy = DEFAULT_CREATED_BY;
        createdOn = new Date();
        schemaVersion = DEFAULT_SCHEMA_VERSION;
    }
    jsonVersion = JSON_VERSION;
    struct = theStruct;
    binding = new StructBinding(struct);
    try {
        final ObjectMapper mapper = mapper();
        final ObjectWriter writer = mapper.writerWithView(JSONViews.SignatureView.class);
        final String signatureStr = writer.writeValueAsString(binding);
        final ObjectWriter writer2 = mapper.writerWithView(JSONViews.CompleteView.class);
        final String fullString = writer2.writeValueAsString(binding);
        signature = MurmurHash.hash64(signatureStr);
        fullHash = MurmurHash.hash64(fullString);
    } catch (final JsonProcessingException e) {
        throw new IllegalStateException(e.getMessage(), e);
    }
}

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From source file:ch.ralscha.extdirectspring.controller.RouterController.java

private void handleMethodCallOne(ExtDirectRequest directRequest, HttpServletRequest request,
        HttpServletResponse response, Locale locale) throws IOException {

    ExtDirectResponse directResponse = handleMethodCall(directRequest, request, response, locale);
    boolean streamResponse = this.configurationService.getConfiguration().isStreamResponse()
            || directResponse.isStreamResponse();
    Class<?> jsonView = directResponse.getJsonView();

    Object responseObject;//from   w w  w. ja v  a2  s.  c  om
    if (jsonView == null) {
        responseObject = Collections.singleton(directResponse);
    } else {
        ObjectMapper objectMapper = this.configurationService.getJsonHandler().getMapper();
        String jsonResult = objectMapper.writerWithView(jsonView)
                .writeValueAsString(directResponse.getResult());
        responseObject = Collections.singleton(new ExtDirectResponseRaw(directResponse, jsonResult));
    }

    writeJsonResponse(response, responseObject, null, streamResponse);
}

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From source file:com.adobe.cq.wcm.core.components.extension.contentfragment.internal.models.v1.ContentFragmentImplTest.java

@Test
public void testJSONExport() throws IOException {
    ContentFragmentImpl fragment = (ContentFragmentImpl) getTestContentFragment(CF_TEXT_ONLY);
    Writer writer = new StringWriter();
    ObjectMapper mapper = new ObjectMapper();
    mapper.writerWithView(ContentFragmentImpl.class).writeValue(writer, fragment);
    JsonReader jsonReaderOutput = Json.createReader(IOUtils.toInputStream(writer.toString()));
    JsonReader jsonReaderExpected = Json.createReader(Thread.currentThread().getContextClassLoader().getClass()
            .getResourceAsStream("/contentfragment/test-expected-content-export.json"));
    assertEquals(jsonReaderExpected.read(), jsonReaderOutput.read());
}

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