Example usage for com.fasterxml.jackson.core JsonParser nextToken

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser nextToken.

Prototype

public abstract JsonToken nextToken() throws IOException, JsonParseException;

Source Link

Document

Main iteration method, which will advance stream enough to determine type of the next token, if any.

Usage

From source file:com.google.openrtb.json.OpenRtbJsonExtComplexReader.java

@SuppressWarnings("unchecked")
private void readRepeated(EB msg, JsonParser par) throws IOException {
    par.nextToken();
    JsonToken tokLast = par.getCurrentToken();
    JsonLocation locLast = par.getCurrentLocation();
    for (startArray(par); endArray(par); par.nextToken()) {
        boolean objRead = false;
        XB ext = (XB) key.getMessageDefaultInstance().toBuilder();
        for (startObject(par); endObject(par); par.nextToken()) {
            read(ext, par);/*from  w  ww  .ja  va2  s.  c  o m*/
            JsonToken tokNew = par.getCurrentToken();
            JsonLocation locNew = par.getCurrentLocation();
            if (tokNew != tokLast || !locNew.equals(locLast)) {
                objRead = true;
            }
            tokLast = tokNew;
            locLast = locNew;
        }
        if (objRead) {
            msg.addExtension(key, ext.build());
        }
    }
}

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From source file:com.netflix.discovery.converters.jackson.serializer.PortWrapperXmlDeserializer.java

@Override
public InstanceInfo.PortWrapper deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
    boolean enabled = false;
    int port = 0;
    while (jp.nextToken() == JsonToken.FIELD_NAME) {
        String fieldName = jp.getCurrentName();
        jp.nextToken(); // to point to value
        if ("enabled".equals(fieldName)) {
            enabled = Boolean.valueOf(jp.getValueAsString());
        } else if (fieldName == null || "".equals(fieldName)) {
            String value = jp.getValueAsString();
            port = value == null ? 0 : Integer.parseInt(value);
        } else {/*from  w  w w .ja  v a 2  s  .  co  m*/
            throw new JsonMappingException("Unexpected field " + fieldName, jp.getCurrentLocation());
        }
    }
    return new InstanceInfo.PortWrapper(enabled, port);
}

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From source file:com.mozilla.bagheera.consumer.validation.JsonValidator.java

@Override
public boolean isValid(byte[] data) {
    boolean isValid = false;
    JsonParser parser = null;
    try {//ww w. j a va2s .  com
        parser = jsonFactory.createJsonParser(data);
        while (parser.nextToken() != null) {
            // noop
        }
        isValid = true;
    } catch (JsonParseException ex) {
        LOG.error("JSON parse error");
    } catch (IOException e) {
        LOG.error("JSON IO error");
    } catch (Exception e) {
        LOG.error("Generic error during validation: ", e);
    } finally {
        if (parser != null) {
            try {
                parser.close();
            } catch (IOException e) {
                LOG.error("Error closing JSON parser", e);
            }
        }
    }

    return isValid;
}

---

From source file:com.opentable.jaxrs.StreamedJsonResponseConverter.java

private <T> void doRead(Callback<T> callback, TypeReference<T> type, final JsonParser jp) throws IOException {
    expect(jp, jp.nextToken(), JsonToken.START_OBJECT);
    expect(jp, jp.nextToken(), JsonToken.FIELD_NAME);
    if (!"results".equals(jp.getCurrentName())) {
        throw new JsonParseException("expecting results field", jp.getCurrentLocation());
    }/*from  w  w  w .  j  a  v  a2s.c o m*/
    expect(jp, jp.nextToken(), JsonToken.START_ARRAY);
    // As noted in a well-hidden comment in the MappingIterator constructor,
    // readValuesAs requires the parser to be positioned after the START_ARRAY
    // token with an empty current token
    jp.clearCurrentToken();

    Iterator<T> iter = jp.readValuesAs(type);

    while (iter.hasNext()) {
        try {
            callback.call(iter.next());
        } catch (CallbackRefusedException e) {
            LOG.debug("callback refused execution, finishing.", e);
            return;
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new IOException("Callback interrupted", e);
        } catch (Exception e) {
            Throwables.propagateIfPossible(e, IOException.class);
            throw new IOException("Callback failure", e);
        }
    }
    if (jp.nextValue() != JsonToken.VALUE_TRUE || !jp.getCurrentName().equals("success")) {
        throw new IOException("Streamed receive did not terminate normally; inspect server logs for cause.");
    }
}

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From source file:GetAppConfig.java

private void getConf() {
    String line;/*from ww  w  .ja v a2 s. c  o  m*/
    String json = "";
    try {
        BufferedReader reader = new BufferedReader(
                new InputStreamReader(new FileInputStream(this.jsonfile), "UTF-8"));
        while ((line = reader.readLine()) != null) {
            json += line;
        }
        reader.close();
    } catch (Exception e) {
        System.out.println("Error: readconf(): " + e.getMessage());
        return;
    }

    JsonFactory factory = new JsonFactory();
    try {
        JsonParser parser = factory.createParser(json);
        while (parser.nextToken() != JsonToken.END_OBJECT) {
            String name = parser.getCurrentName();
            if (name == null)
                continue;
            parser.nextToken();
            if (name.equals("userid")) {
                this.setUserID(parser.getText());
            } else if (name.equals("passwd")) {
                this.setPassword(parser.getText());
            } else if (name.equals("deviceid")) {
                this.setDeviceID(parser.getText());
            } else if (name.equals("pkgdir")) {
                this.setPackageDir(parser.getText());
            } else {
                parser.skipChildren();
            }
        } // while
    } catch (Exception e) {
        System.out.println("Error: parseconf(): " + e.getMessage());
    }
}

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From source file:KV78Tester.java

public String[] parseLines(BufferedReader in) throws Exception {
    JsonFactory f = new JsonFactory();
    JsonParser jp = f.createJsonParser(in);
    ArrayList<String> lines = new ArrayList<String>();
    jp.nextToken();
    while (jp.nextToken() != JsonToken.END_OBJECT) {
        String line = jp.getCurrentName();
        lines.add(line);//w w w .j a  v a2  s  .  c  om
        jp.nextToken();
    }
    jp.close();
    in.close();
    return lines.toArray(new String[lines.size()]);
}

---

From source file:ch.rasc.wampspring.message.WelcomeMessage.java

public WelcomeMessage(JsonParser jp) throws IOException {
    super(WampMessageType.WELCOME);

    if (jp.nextToken() != JsonToken.VALUE_STRING) {
        throw new IOException();
    }/*  w w w  .  j a  v a 2s  .  com*/
    this.sessionId = jp.getValueAsString();

    if (jp.nextToken() != JsonToken.VALUE_NUMBER_INT) {
        throw new IOException();
    }
    this.protocolVersion = jp.getValueAsInt();

    if (jp.nextToken() != JsonToken.VALUE_STRING) {
        throw new IOException();
    }
    this.serverIdent = jp.getValueAsString();

}

---

From source file:com.microsoft.rest.serializer.FlatteningDeserializer.java

@SuppressWarnings("unchecked")
@Override/*  ww w  .j  av  a 2 s  .c o m*/
public Object deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
    JsonNode root = mapper.readTree(jp);
    final Class<?> tClass = this.defaultDeserializer.handledType();
    for (Field field : tClass.getDeclaredFields()) {
        JsonNode node = root;
        JsonProperty property = field.getAnnotation(JsonProperty.class);
        if (property != null) {
            String value = property.value();
            if (value.matches(".+[^\\\\]\\..+")) {
                String[] values = value.split("((?<!\\\\))\\.");
                for (String val : values) {
                    val = val.replace("\\.", ".");
                    node = node.get(val);
                    if (node == null) {
                        break;
                    }
                }
                ((ObjectNode) root).put(value, node);
            }
        }
    }
    JsonParser parser = new JsonFactory().createParser(root.toString());
    parser.nextToken();
    return defaultDeserializer.deserialize(parser, ctxt);
}

---

From source file:com.taveloper.http.test.pojo.parse.ActivityParse.java

public Activity readJson(JsonParser in) throws JsonParseException, IOException {
    //        System.out.println("ActivityParse.readJson");
    JsonToken curToken = in.nextToken();
    Activity object = new Activity();
    while (curToken == JsonToken.FIELD_NAME) {
        String curName = in.getText();
        JsonToken nextToken = in.nextToken();
        if ("url".equals(curName)) {
            object.setUrl(in.getText());
        } else if ("object".equals(curName)) {
            ActivityObjectParse activityObjectParse = new ActivityObjectParse();
            object.setActivityObject(activityObjectParse.readJson(in));
        }/*from  w ww  . j a  va 2  s .  co m*/
        curToken = in.nextToken();
    }
    return object;
}

---

From source file:com.taveloper.http.test.pojo.parse.PlusOnersParse.java

public PlusOners readJson(JsonParser in) throws JsonParseException, IOException {
    //        System.out.println("ActivityObjectParse.readJson");
    JsonToken curToken = in.nextToken();
    PlusOners object = new PlusOners();
    while (curToken == JsonToken.FIELD_NAME) {
        String curName = in.getText();
        JsonToken nextToken = in.nextToken();
        if ("totalItems".equals(curName)) {
            object.setTotalItems(in.getLongValue());
        }/*from w w  w  .ja v  a 2s  .co  m*/
        curToken = in.nextToken();
    }
    return object;
}

---

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