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

Introduction

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

Prototype

public abstract String getText() throws IOException, JsonParseException;

Source Link

Document

Method for accessing textual representation of the current token; if no current token (before first call to #nextToken , or after encountering end-of-input), returns null.

Usage

From source file:org.onosproject.north.aaa.api.parser.impl.ApplicationParser.java

public Application jsonToApplication(JsonParser jp) throws ParseException, IOException {
    Application.Builder builder = Application.builder();

    while (true) {
        JsonToken token = jp.nextToken();
        if (JsonToken.END_OBJECT.equals(token)) {
            // bail out
            break;
        }//from w  w w .j  ava  2  s  . c  o m

        if (JsonToken.FIELD_NAME.equals(token) && "appId".equals(jp.getCurrentName())) {
            jp.nextToken();
            builder.buildAppId(jp.getText());
        } else if (JsonToken.FIELD_NAME.equals(token) && "appDesc".equals(jp.getCurrentName())) {
            jp.nextToken();
            builder.buildAppDesc(jp.getText());
        } else if (JsonToken.FIELD_NAME.equals(token) && "appRoles".equals(jp.getCurrentName())) {
            jp.nextToken();
            String roles = jp.getText();

            if ("admin".equals(roles) || "normal".equals(roles) || "security".equals(roles)) {
                builder.buildAppRoles(roles);
            } else {
                // bail out
                throw new ParseException("appRoles must be set to \"admin\", \"normal\" or \"security\"");
            }

        } else if (JsonToken.FIELD_NAME.equals(token) && "devId".equals(jp.getCurrentName())) {
            jp.nextToken();
            builder.buildDevId(jp.getText());
        } else if (JsonToken.FIELD_NAME.equals(token) && "clientId".equals(jp.getCurrentName())) {
            jp.nextToken();
            builder.buildClientId(jp.getText());
        }
    }
    return builder.buildAll();
}

---

From source file:org.messic.server.api.tagwizard.discogs.DiscogsTAGWizardPlugin.java

@Override
public List<Album> getAlbumInfo(Album albumHelpInfo, File[] files) {
    if (albumHelpInfo == null || (albumHelpInfo.name == null && albumHelpInfo.author == null)
            || ((albumHelpInfo.name != null && albumHelpInfo.name.length() <= 0)
                    && (albumHelpInfo.author != null && albumHelpInfo.author.length() <= 0))) {
        return new ArrayList<Album>();
    }/*  www. j  a va2s.c  o  m*/

    String baseURL = "http://api.discogs.com/database/search?type=release";

    try {
        if (albumHelpInfo.name != null) {
            baseURL = baseURL + "&release_title=" + URLEncoder.encode(albumHelpInfo.name, "UTF-8") + "";
        }
        if (albumHelpInfo.author != null) {
            baseURL = baseURL + "&artist=" + URLEncoder.encode(albumHelpInfo.author, "UTF-8") + "";
        }

        URL url = new URL(baseURL);
        Proxy proxy = getProxy();
        URLConnection uc = (proxy != null ? url.openConnection(proxy) : url.openConnection());
        uc.setRequestProperty("User-Agent", "Messic/1.0 +http://spheras.github.io/messic/");

        ArrayList<Album> result = new ArrayList<Album>();

        JsonFactory jsonFactory = new JsonFactory(); // or, for data binding,
        JsonParser jParser = jsonFactory.createParser(uc.getInputStream());
        while (jParser.nextToken() != null) {
            String fieldname = jParser.getCurrentName();
            if ("id".equals(fieldname)) {
                jParser.nextToken();
                String id = jParser.getText();
                // one second per petition allowed by discogs
                Thread.sleep(1000);

                Album album = getAlbum(id);

                result.add(album);
            }

        }
        return result;
    } catch (Exception e) {
        log.error("failed!", e);
    }

    return null;
}

---

From source file:com.cedarsoft.serialization.jackson.AbstractJacksonSerializer.java

/**
 * Deserializes the enumeration//from  w  w w  .  j a  v  a  2 s .  com
 *
 * @param enumClass    the enum class
 * @param propertyName the property name
 * @param parser       the parser
 * @param <T>          the type
 * @return the deserialized enum
 *
 * @throws IOException
 */
@Nonnull
public <T extends Enum<T>> T deserializeEnum(@Nonnull Class<T> enumClass, @Nonnull String propertyName,
        @Nonnull JsonParser parser) throws IOException {
    JacksonParserWrapper wrapper = new JacksonParserWrapper(parser);
    wrapper.nextFieldValue(propertyName);
    return Enum.valueOf(enumClass, parser.getText());
}

---

From source file:org.apache.ode.jacob.soup.jackson.ChannelProxyDeserializer.java

@Override
public Channel deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    String type = null;//from  w  ww  .  j  a v  a  2s .c o m
    int id = -1;
    while (jp.nextToken() != JsonToken.END_OBJECT) {
        String fieldname = jp.getCurrentName();
        if (jp.getCurrentToken() == JsonToken.FIELD_NAME) {
            // if we're not already on the field, advance by one.
            jp.nextToken();
        }
        if ("channelType".equals(fieldname)) {
            type = jp.getText();
        } else if ("channelId".equals(fieldname)) {
            id = jp.getIntValue();
        }
    }

    if (type == null) {
        throw ctxt.mappingException(Channel.class);
    }

    if (id < 0) {
        throw ctxt.mappingException(Channel.class);
    }

    try {
        CommChannel cchannel = new CommChannel(ctxt.findClass(type));
        cchannel.setId(id);
        return (Channel) ChannelFactory.createChannel(cchannel, cchannel.getType());

    } catch (ClassNotFoundException e) {
        throw ctxt.instantiationException(Channel.class, e);
    }
}

---

From source file:com.sdl.odata.unmarshaller.json.JsonLinkUnmarshaller.java

@Override
protected String getToEntityId(ODataRequestContext requestContext) throws ODataUnmarshallingException {
    // The body is expected to contain a single entity reference
    // See OData JSON specification chapter 13

    String bodyText;//from ww w.  j a  va  2 s  .c  o m
    try {
        bodyText = requestContext.getRequest().getBodyText(StandardCharsets.UTF_8.name());
    } catch (UnsupportedEncodingException e) {
        throw new ODataSystemException("UTF-8 is not supported", e);
    }

    String idValue = null;
    try {
        JsonParser parser = new JsonFactory().createParser(bodyText);
        while (idValue == null && !parser.isClosed()) {
            JsonToken token = parser.nextToken();
            if (token == null) {
                break;
            }

            if (token.equals(JsonToken.FIELD_NAME) && parser.getCurrentName().equals(JsonConstants.ID)) {
                token = parser.nextToken();
                if (token.equals(JsonToken.VALUE_STRING)) {
                    idValue = parser.getText();
                }
            }
        }
    } catch (IOException e) {
        throw new ODataUnmarshallingException("Error while parsing JSON data", e);
    }

    if (isNullOrEmpty(idValue)) {
        throw new ODataUnmarshallingException("The JSON object in the body has no '@odata.id' value,"
                + " or the value is empty. The JSON object in the body must have an '@odata.id' value"
                + " that refers to the entity to link to.");
    }

    return idValue;
}

---

From source file:org.emfjson.jackson.tests.custom.CustomDeserializersTest.java

@Test
public void testDeserializeReferenceAsStrings() throws JsonProcessingException {
    EMFModule module = new EMFModule();
    module.configure(EMFModule.Feature.OPTION_USE_ID, true);
    module.configure(EMFModule.Feature.OPTION_SERIALIZE_TYPE, false);

    module.setReferenceDeserializer(new JsonDeserializer<ReferenceEntry>() {
        @Override/*from ww  w. j a  va  2s  .  c om*/
        public ReferenceEntry deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
            final EObject parent = EMFContext.getParent(ctxt);
            final EReference reference = EMFContext.getReference(ctxt);

            if (p.getCurrentToken() == JsonToken.FIELD_NAME) {
                p.nextToken();
            }

            return new ReferenceEntry.Base(parent, reference, p.getText());
        }
    });

    mapper.registerModule(module);

    JsonNode data = mapper.createArrayNode()
            .add(mapper.createObjectNode().put("@id", "1").put("name", "Paul").put("uniqueFriend", "2"))
            .add(mapper.createObjectNode().put("@id", "2").put("name", "Franck"));

    Resource resource = mapper.reader().withAttribute(RESOURCE_SET, resourceSet)
            .withAttribute(ROOT_ELEMENT, ModelPackage.Literals.USER).treeToValue(data, Resource.class);

    assertEquals(2, resource.getContents().size());

    User u1 = (User) resource.getContents().get(0);
    User u2 = (User) resource.getContents().get(1);

    assertSame(u2, u1.getUniqueFriend());
}

---

From source file:com.wealdtech.jackson.modules.MessageObjectsDeserializer.java

@Override
public MessageObjects<? extends Object> deserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException {
    // This assumes a strict JSON format of userId and hint followed by _type followed by prior and current (if they exist)
    jp.nextToken();/*from  w  ww.j av  a2s .  c o  m*/
    String fieldName = jp.getCurrentName();
    if (!"userid".equals(fieldName)) {
        throw new IOException("Unexpected key \"" + fieldName + "\"; expected userid");
    }
    jp.nextToken();
    final Long userId = Long.parseLong(jp.getText());

    final RequestHint hint;
    jp.nextToken();
    fieldName = jp.getCurrentName();
    if ("hint".equals(fieldName)) {
        // Hint is optional
        jp.nextToken();
        hint = WealdMapper.getMapper().readValue(jp, RequestHint.class);
        jp.nextToken();
    } else {
        hint = null;
    }

    fieldName = jp.getCurrentName();
    if (!"_type".equals(fieldName)) {
        throw new IOException("Unexpected key \"" + fieldName + "\"; expected _type");
    }

    jp.nextToken();
    final String typeStr = jp.getText();
    Class<? extends Object> objClass;
    try {
        objClass = Class.forName(typeStr);
    } catch (ClassNotFoundException cnfe) {
        LOGGER.error("MessageObjects has unknown class: \"{}\"", typeStr);
        throw new IOException("MessageObjects has unknown class: \"" + typeStr + "\"", cnfe);
    }

    // Now that we have the type we can deserialize the objects
    jp.nextToken();
    fieldName = jp.getCurrentName();

    Object prior = null;
    if ("prior".equals(fieldName)) {
        jp.nextToken();
        prior = WealdMapper.getMapper().readValue(jp, objClass);
        jp.nextToken();
        fieldName = jp.getCurrentName();
    }

    Object current = null;
    if ("current".equals(fieldName)) {
        jp.nextToken();
        current = WealdMapper.getMapper().readValue(jp, objClass);
    }

    // And build our return object
    try {
        return new MessageObjects<>(userId, hint, prior, current);
    } catch (DataError de) {
        LOGGER.error("Failed to instantiate MessageObjects: \"" + de.getLocalizedMessage() + "\"");
        throw new IOException("Failed to instantiate MessageObjects", de);
    }
}

---

From source file:com.tikinou.schedulesdirect.core.jackson.deser.BooleanYNDeserializer.java

@Override
public Boolean deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    JsonToken t = jp.getCurrentToken();/*from  w w w.  j  a  v a  2 s. co  m*/
    if (t == JsonToken.VALUE_TRUE) {
        return Boolean.TRUE;
    }
    if (t == JsonToken.VALUE_FALSE) {
        return Boolean.FALSE;
    }
    if (t == JsonToken.VALUE_NULL) {
        return null;
    }
    if (t == JsonToken.VALUE_NUMBER_INT) {
        return (jp.getIntValue() != 0);
    }
    if (t == JsonToken.VALUE_STRING) {
        String text = jp.getText().trim();
        if ("true".equals(text)) {
            return Boolean.TRUE;
        }
        if ("false".equals(text) || text.length() == 0) {
            return Boolean.FALSE;
        }

        if ("N".equalsIgnoreCase(text) || text.length() == 0) {
            return Boolean.FALSE;
        }

        if ("Y".equalsIgnoreCase(text)) {
            return Boolean.TRUE;
        }
        throw ctxt.weirdStringException(text, Boolean.class, "only \"true\" or \"false\" recognized");
    }
    // Otherwise, no can do:
    throw ctxt.mappingException(Boolean.class);
}

---

From source file:com.sdl.odata.renderer.json.writer.JsonPropertyWriterTest.java

private List<Object> getJsonArray(JsonParser jsonParser) throws IOException {
    List<Object> objects = new ArrayList<>();
    while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
        if (jsonParser.getCurrentToken() == JsonToken.START_OBJECT) {
            Map<String, String> jsonObject = getJsonObject(jsonParser);
            objects.add(jsonObject);//from   w ww .j  av  a  2s  .  co m
        } else {
            objects.add(jsonParser.getText());
        }
    }
    return objects;
}

---

From source file:org.apache.lucene.server.handlers.BulkAddDocumentsHandler.java

@Override
public String handleStreamed(Reader reader, Map<String, List<String>> params) throws Exception {

    JsonFactory jfactory = new JsonFactory();

    JsonParser parser = jfactory.createJsonParser(reader);

    if (parser.nextToken() != JsonToken.START_OBJECT) {
        throw new IllegalArgumentException("expected JSON object");
    }//from  w w  w  .ja v a  2  s .  c  om
    if (parser.nextToken() != JsonToken.FIELD_NAME) {
        throw new IllegalArgumentException("expected indexName first");
    }
    if (!parser.getText().equals("indexName")) {
        throw new IllegalArgumentException("expected indexName first");
    }
    if (parser.nextToken() != JsonToken.VALUE_STRING) {
        throw new IllegalArgumentException("indexName should be string");
    }

    IndexState indexState = globalState.get(parser.getText());
    indexState.verifyStarted(null);
    if (parser.nextToken() != JsonToken.FIELD_NAME) {
        throw new IllegalArgumentException("expected documents next");
    }
    if (!parser.getText().equals("documents")) {
        throw new IllegalArgumentException("expected documents after indexName");
    }

    ShardState shardState = indexState.getShard(0);

    if (parser.nextToken() != JsonToken.START_ARRAY) {
        throw new IllegalArgumentException("documents should be a list");
    }

    int count = 0;
    IndexingContext ctx = new IndexingContext();

    AddDocumentHandler addDocHandler = (AddDocumentHandler) globalState.getHandler("addDocument");

    // Parse as many doc blocks as there are:
    while (true) {

        List<Document> children = null;
        Document parent = null;

        JsonToken token = parser.nextToken();
        if (token == JsonToken.END_ARRAY) {
            break;
        }
        if (token != JsonToken.START_OBJECT) {
            throw new IllegalArgumentException("expected object");
        }

        // Parse parent + children for this one doc block:
        while (true) {
            token = parser.nextToken();
            if (token == JsonToken.END_OBJECT) {
                // Done with parent + child in this block
                break;
            }
            if (token != JsonToken.FIELD_NAME) {
                throw new IllegalArgumentException("missing field name: " + token);
            }
            String f = parser.getText();
            if (f.equals("children")) {
                token = parser.nextToken();
                if (token != JsonToken.START_ARRAY) {
                    throw new IllegalArgumentException("expected array for children");
                }

                children = new ArrayList<Document>();

                // Parse each child:
                while (true) {
                    Document doc = addDocHandler.parseDocument(indexState, parser);
                    if (doc == null) {
                        break;
                    }
                    children.add(doc);
                }
            } else if (f.equals("parent")) {
                parent = addDocHandler.parseDocument(indexState, parser);
            } else {
                throw new IllegalArgumentException("unrecognized field name \"" + f + "\"");
            }
        }

        if (parent == null) {
            throw new IllegalArgumentException("missing parent");
        }
        if (children == null) {
            throw new IllegalArgumentException("missing children");
        }

        // Parent is last:
        children.add(parent);

        globalState.submitIndexingTask(shardState.getAddDocumentsJob(count, null, children, ctx));
        count++;
    }

    // nocommit this is ... lameish:
    while (true) {
        if (ctx.addCount.get() == count) {
            break;
        }
        Thread.sleep(1);
    }

    Throwable t = ctx.getError();
    if (t != null) {
        IOUtils.reThrow(t);
    }

    JSONObject o = new JSONObject();
    o.put("indexGen", shardState.writer.getMaxCompletedSequenceNumber());
    o.put("indexedDocumentBlockCount", count);
    return o.toString();
}

---

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