Example usage for com.fasterxml.jackson.databind JsonNode toString

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind JsonNode toString.

Prototype

public abstract String toString();

Source Link

Usage

From source file:com.evrythng.java.wrapper.mapping.BatchPopulatingTaskInputParametersDeserializer.java

@Override
public BatchPopulatingTask.InputParameters deserialize(final JsonParser jp, final DeserializationContext ctx)
        throws IOException {

    ObjectMapper mapper = JSONUtils.OBJECT_MAPPER;
    JsonNode node = mapper.readTree(jp);
    JsonNode typeNode = node.get(BatchPopulatingTask.InputParameters.FIELD_TYPE);
    if (typeNode == null) {
        throw new JsonMappingException("Cannot deserialize adi generation input parameters without type field");
    }// w w  w. j  a  v a  2  s  . c om
    String typeRaw = getFieldValue(typeNode);
    Class<? extends BatchPopulatingTask.InputParameters> subtypeClass = classForType(
            BatchPopulatingTask.InputParameters.Type.valueOf(typeRaw.toUpperCase()));
    return mapper.readValue(node.toString(), subtypeClass);
}

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From source file:org.pentaho.metaverse.impl.model.kettle.json.TransMetaJsonDeserializer.java

protected void deserializeConnections(TransMeta transMeta, JsonNode node, ObjectMapper mapper) {
    ArrayNode connectionsArrayNode = (ArrayNode) node.get(TransMetaJsonSerializer.JSON_PROPERTY_CONNECTIONS);
    IExternalResourceInfo conn = null;// ww w . jav  a2s  .  c  o m
    for (int i = 0; i < connectionsArrayNode.size(); i++) {
        JsonNode connNode = connectionsArrayNode.get(i);
        String className = connNode.get(IInfo.JSON_PROPERTY_CLASS).asText();
        try {
            Class clazz = this.getClass().getClassLoader().loadClass(className);
            conn = (IExternalResourceInfo) clazz.newInstance();
            conn = mapper.readValue(connNode.toString(), conn.getClass());
            DatabaseMeta dbMeta = null;
            if (conn instanceof JdbcResourceInfo) {
                JdbcResourceInfo db = (JdbcResourceInfo) conn;
                dbMeta = new DatabaseMeta(db.getName(), db.getPluginId(),
                        DatabaseMeta.getAccessTypeDesc(DatabaseMeta.TYPE_ACCESS_NATIVE), db.getServer(),
                        db.getDatabaseName(), String.valueOf(db.getPort()), db.getUsername(), db.getPassword());
            } else if (conn instanceof JndiResourceInfo) {
                JndiResourceInfo db = (JndiResourceInfo) conn;
                dbMeta = new DatabaseMeta(db.getName(), db.getPluginId(),
                        DatabaseMeta.getAccessTypeDesc(DatabaseMeta.TYPE_ACCESS_JNDI), null, null, null, null,
                        null);
            }
            transMeta.addDatabase(dbMeta);
        } catch (Exception e) {
            LOGGER.warn(Messages.getString("WARNING.Deserialization.Trans.Connections", conn.getName(),
                    transMeta.getName()), e);
        }
    }
}

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From source file:com.github.fge.jsonschema.servlets.SyntaxValidateServlet.java

@Override
public void doPost(final HttpServletRequest req, final HttpServletResponse resp)
        throws ServletException, IOException {
    final Set<String> params = Sets.newHashSet();

    /*// ww  w .  j a v  a  2 s. c om
     * First, check our parameters
     */
    /*
     * Why, in 2013, doesn't servlet-api provide an Iterator<String>?
     *
     * Well, at least, Jetty's implementation has a generified Enumeration.
     * Still, that sucks.
     */
    final Enumeration<String> enumeration = req.getParameterNames();

    // FIXME: no duplicates, it seems, but I cannot find the spec which
    // guarantees that
    while (enumeration.hasMoreElements())
        params.add(enumeration.nextElement());

    // We have required parameters
    if (!params.containsAll(Request.required())) {
        log.warn("Missing parameters! Someone using me as a web service?");
        resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Missing parameters");
        return;
    }

    // We don't want extraneous parameters
    params.removeAll(Request.valid());

    if (!params.isEmpty()) {
        log.warn("Invalid parameters! Someone using me as a web service?");
        resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Invalid parameters");
        return;
    }

    final String rawSchema = req.getParameter(Request.SCHEMA);

    // Set correct content type
    resp.setContentType(MediaType.JSON_UTF_8.toString());

    final JsonNode ret;
    try {
        ret = buildResult(rawSchema);
    } catch (ProcessingException e) {
        // Should not happen!
        log.error("Uh, syntax validation failed!", e);
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        return;
    }

    final OutputStream out = resp.getOutputStream();

    try {
        out.write(ret.toString().getBytes(Charset.forName("UTF-8")));
        out.flush();
    } finally {
        Closeables.closeQuietly(out);
    }
}

---

From source file:io.seldon.external.ExternalPredictionServer.java

public JsonNode predict(String client, JsonNode jsonNode, OptionsHolder options) {
    long timeNow = System.currentTimeMillis();
    URI uri = URI.create(options.getStringOption(URL_PROPERTY_NAME));
    try {//from   w w  w .  j ava2  s.  c o  m
        URIBuilder builder = new URIBuilder().setScheme("http").setHost(uri.getHost()).setPort(uri.getPort())
                .setPath(uri.getPath()).setParameter("client", client)
                .setParameter("json", jsonNode.toString());

        uri = builder.build();
    } catch (URISyntaxException e) {
        throw new APIException(APIException.GENERIC_ERROR);
    }
    HttpContext context = HttpClientContext.create();
    HttpGet httpGet = new HttpGet(uri);
    try {
        if (logger.isDebugEnabled())
            logger.debug("Requesting " + httpGet.getURI().toString());
        CloseableHttpResponse resp = httpClient.execute(httpGet, context);
        try {
            if (resp.getStatusLine().getStatusCode() == 200) {
                ObjectMapper mapper = new ObjectMapper();
                JsonFactory factory = mapper.getFactory();
                JsonParser parser = factory.createParser(resp.getEntity().getContent());
                JsonNode actualObj = mapper.readTree(parser);

                return actualObj;
            } else {
                logger.error(
                        "Couldn't retrieve prediction from external prediction server -- bad http return code: "
                                + resp.getStatusLine().getStatusCode());
                throw new APIException(APIException.GENERIC_ERROR);
            }
        } finally {
            if (resp != null)
                resp.close();
            if (logger.isDebugEnabled())
                logger.debug(
                        "External prediction server took " + (System.currentTimeMillis() - timeNow) + "ms");
        }
    } catch (IOException e) {
        logger.error("Couldn't retrieve prediction from external prediction server - ", e);
        throw new APIException(APIException.GENERIC_ERROR);
    } catch (Exception e) {
        logger.error("Couldn't retrieve prediction from external prediction server - ", e);
        throw new APIException(APIException.GENERIC_ERROR);
    } finally {

    }

}

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From source file:com.googlecode.jsonrpc4j.JsonRpcClient.java

/**
 * Reads a JSON-PRC response from the server.  This blocks until
 * a response is received.// w  ww  .  j a  va 2  s  .  c  om
 *
 * @param returnType the expected return type
 * @param ips the {@link InputStream} to read from
 * @return the object returned by the JSON-RPC response
 * @throws Throwable on error
 */
public Object readResponse(Type returnType, InputStream ips) throws Throwable {

    // get node iterator
    ReadContext ctx = ReadContext.getReadContext(ips, mapper);

    // read the response
    ctx.assertReadable();
    JsonNode response = ctx.nextValue();
    if (LOGGER.isLoggable(Level.FINE)) {
        LOGGER.log(Level.FINE, "JSON-PRC Response: " + response.toString());
    }

    // bail on invalid response
    if (!response.isObject()) {
        throw new JsonRpcClientException(0, "Invalid JSON-RPC response", response);
    }
    ObjectNode jsonObject = ObjectNode.class.cast(response);

    // show to listener
    if (this.requestListener != null) {
        this.requestListener.onBeforeResponseProcessed(this, jsonObject);
    }

    // detect errors
    if (jsonObject.has("error") && jsonObject.get("error") != null && !jsonObject.get("error").isNull()) {

        // resolve and throw the exception
        if (exceptionResolver == null) {
            throw DefaultExceptionResolver.INSTANCE.resolveException(jsonObject);
        } else {
            throw exceptionResolver.resolveException(jsonObject);
        }
    }

    // convert it to a return object
    if (jsonObject.has("result") && !jsonObject.get("result").isNull() && jsonObject.get("result") != null) {
        if (returnType == null) {
            LOGGER.warning("Server returned result but returnType is null");
            return null;
        }

        JsonParser returnJsonParser = mapper.treeAsTokens(jsonObject.get("result"));
        JavaType returnJavaType = TypeFactory.defaultInstance().constructType(returnType);

        return mapper.readValue(returnJsonParser, returnJavaType);
    }

    // no return type
    return null;
}

---

From source file:com.evrythng.java.wrapper.mapping.BatchPopulatingTaskOutputParametersDeserializer.java

@Override
public BatchPopulatingTask.OutputParameters deserialize(final JsonParser jp, final DeserializationContext ctx)
        throws IOException {

    ObjectMapper mapper = JSONUtils.OBJECT_MAPPER;
    JsonNode node = mapper.readTree(jp);
    JsonNode typeNode = node.get(BatchPopulatingTask.OutputParameters.FIELD_TYPE);
    if (typeNode == null) {
        throw new JsonMappingException(
                "Cannot deserialize adi generation output parameters without type field");
    }//from   ww w  . j  a  v a2  s .  com
    String typeRaw = getFieldValue(typeNode);
    Class<? extends BatchPopulatingTask.OutputParameters> subtypeClass = classForType(
            BatchPopulatingTask.OutputParameters.Type.valueOf(typeRaw.toUpperCase()));
    return mapper.readValue(node.toString(), subtypeClass);
}

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From source file:org.springframework.social.facebook.api.impl.FacebookTemplate.java

@SuppressWarnings("unchecked")
private <T> List<T> deserializeDataList(JsonNode jsonNode, final Class<T> elementType) {
    try {/* w  w  w.  java  2s  . co  m*/
        CollectionType listType = TypeFactory.defaultInstance().constructCollectionType(List.class,
                elementType);
        return (List<T>) objectMapper.reader(listType).readValue(jsonNode.toString()); // TODO: EXTREMELY HACKY--TEMPORARY UNTIL I FIGURE OUT HOW JACKSON 2 DOES THIS
    } catch (IOException e) {
        throw new UncategorizedApiException("facebook",
                "Error deserializing data from Facebook: " + e.getMessage(), e);
    }
}

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From source file:com.baasbox.commands.DocumentsResource.java

private String getCollectionName(JsonNode command) throws CommandParsingException {
    JsonNode params = command.get(ScriptCommand.PARAMS);
    JsonNode collNode = params.get(COLLECTION);
    if (collNode == null || !collNode.isTextual()) {
        throw new CommandParsingException(command,
                "invalid collection param: " + (collNode == null ? "null" : collNode.toString()));
    }/*www  . ja  va 2 s.c  o  m*/
    return collNode.asText();
}

---

From source file:org.flowable.admin.service.engine.ProcessInstanceService.java

public void changeActivityState(ServerConfig serverConfig, String processInstanceId,
        JsonNode changeActivityBody) throws FlowableServiceException {
    try {/* ww w .j  a  v  a  2 s. c o m*/
        URIBuilder builder = clientUtil.createUriBuilder(
                MessageFormat.format(RUNTIME_PROCESS_INSTANCE_CHANGE_STATE_URL, processInstanceId));
        HttpPost post = clientUtil.createPost(builder.build().toString(), serverConfig);

        post.setEntity(clientUtil.createStringEntity(changeActivityBody.toString()));
        clientUtil.executeRequestNoResponseBody(post, serverConfig, HttpStatus.SC_OK);

    } catch (Exception e) {
        throw new FlowableServiceException(e.getMessage(), e);
    }
}

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