Example usage for com.google.gson.stream JsonReader hasNext

Introduction

In this page you can find the example usage for com.google.gson.stream JsonReader hasNext.

Prototype

public boolean hasNext() throws IOException 

Source Link

Document

Returns true if the current array or object has another element.

Usage

From source file:com.dangdang.ddframe.job.util.AbstractJobConfigurationGsonTypeAdapter.java

License:Apache License

private JobEventConfiguration[] getJobEventConfigs(final JsonReader in) throws IOException {
    List<JobEventConfiguration> result = new ArrayList<>(2);
    in.beginObject();// www  .ja  v a 2s . com
    while (in.hasNext()) {
        String name = in.nextName();
        switch (name) {
        case "log":
            in.beginObject();
            result.add(new JobEventLogConfiguration());
            in.endObject();
            break;
        case "rdb":
            String url = "";
            String username = "";
            String password = "";
            String driverClassName = "";
            String logLevel = "";
            in.beginObject();
            while (in.hasNext()) {
                switch (in.nextName()) {
                case "url":
                    url = in.nextString();
                    break;
                case "username":
                    username = in.nextString();
                    break;
                case "password":
                    password = in.nextString();
                    break;
                case "driverClassName":
                    driverClassName = in.nextString();
                    break;
                case "logLevel":
                    logLevel = in.nextString();
                    break;
                default:
                    break;
                }
            }
            in.endObject();
            result.add(new JobEventRdbConfiguration(driverClassName, url, username, password,
                    LogLevel.valueOf(logLevel.toUpperCase())));
            break;
        default:
            break;
        }
    }
    in.endObject();
    return Iterables.toArray(result, JobEventConfiguration.class);
}

---

From source file:com.dangdang.ddframe.job.util.json.AbstractJobConfigurationGsonTypeAdapter.java

License:Apache License

@Override
public T read(final JsonReader in) throws IOException {
    String jobName = "";
    String cron = "";
    int shardingTotalCount = 0;
    String shardingItemParameters = "";
    String jobParameter = "";
    boolean failover = false;
    boolean misfire = failover;
    String description = "";
    JobProperties jobProperties = new JobProperties();
    JobType jobType = null;/*from w ww  .ja  v  a2s.  c o  m*/
    String jobClass = "";
    boolean streamingProcess = false;
    String scriptCommandLine = "";
    Map<String, Object> customizedValueMap = new HashMap<>(32, 1);
    in.beginObject();
    while (in.hasNext()) {
        String jsonName = in.nextName();
        switch (jsonName) {
        case "jobName":
            jobName = in.nextString();
            break;
        case "cron":
            cron = in.nextString();
            break;
        case "shardingTotalCount":
            shardingTotalCount = in.nextInt();
            break;
        case "shardingItemParameters":
            shardingItemParameters = in.nextString();
            break;
        case "jobParameter":
            jobParameter = in.nextString();
            break;
        case "failover":
            failover = in.nextBoolean();
            break;
        case "misfire":
            misfire = in.nextBoolean();
            break;
        case "description":
            description = in.nextString();
            break;
        case "jobProperties":
            jobProperties = getJobProperties(in);
            break;
        case "jobType":
            jobType = JobType.valueOf(in.nextString());
            break;
        case "jobClass":
            jobClass = in.nextString();
            break;
        case "streamingProcess":
            streamingProcess = in.nextBoolean();
            break;
        case "scriptCommandLine":
            scriptCommandLine = in.nextString();
            break;
        default:
            addToCustomizedValueMap(jsonName, in, customizedValueMap);
            break;
        }
    }
    in.endObject();
    JobCoreConfiguration coreConfig = getJobCoreConfiguration(jobName, cron, shardingTotalCount,
            shardingItemParameters, jobParameter, failover, misfire, description, jobProperties);
    JobTypeConfiguration typeConfig = getJobTypeConfiguration(coreConfig, jobType, jobClass, streamingProcess,
            scriptCommandLine);
    return getJobRootConfiguration(typeConfig, customizedValueMap);
}

---

From source file:com.ecwid.mailchimp.internal.gson.MailChimpObjectTypeAdapter.java

License:Apache License

@Override
public MailChimpObject read(JsonReader in) throws IOException {
    if (in.peek() == JsonToken.NULL) {
        in.nextNull();//  ww w.  j a  va  2 s . co  m
        return null;
    }

    MailChimpObject result;
    try {
        result = constructor.newInstance();
    } catch (Exception e) {
        throw new RuntimeException("Failed to invoke " + constructor + " with no args", e);
    }

    in.beginObject();
    while (in.hasNext()) {
        final String key;
        if (in.peek() == JsonToken.NAME) {
            key = in.nextName();
        } else {
            key = in.nextString();
        }

        final Object value;

        Type valueType = result.getReflectiveMappingTypes().get(key);
        if (valueType != null) {
            value = gson.getAdapter(TypeToken.get(valueType)).read(in);
        } else {
            if (in.peek() == JsonToken.BEGIN_OBJECT) {
                value = gson.getAdapter(MailChimpObject.class).read(in);
            } else if (in.peek() == JsonToken.BEGIN_ARRAY) {
                value = readList(in);
            } else {
                value = gson.getAdapter(Object.class).read(in);
            }
        }

        if (result.put(key, value) != null) {
            throw new JsonSyntaxException("duplicate key: " + key);
        }
    }
    in.endObject();

    return result;
}

---

From source file:com.epickrram.romero.testing.server.web.CompletedJobRunIdentifierTypeAdapter.java

License:Apache License

@Override
public CompletedJobRunIdentifier read(final JsonReader jsonReader) throws IOException {
    jsonReader.beginObject();/*from  w  w w. java2s  . c  om*/
    final CompletedJobRunIdentifier.Builder builder = new CompletedJobRunIdentifier.Builder();
    while (jsonReader.hasNext()) {
        final String name = jsonReader.nextName();
        if ("jobRunIdentifier".equals(name)) {
            builder.jobRunIdentifier(jsonReader.nextString());
        } else if ("startTimestamp".equals(name)) {
            builder.startTimestamp(jsonReader.nextLong());
        }
    }
    jsonReader.endObject();
    return builder.create();
}

---

From source file:com.facebook.buck.worker.WorkerProcessProtocolZero.java

License:Apache License

private static void receiveHandshake(JsonReader reader, int messageId, Optional<Path> stdErr)
        throws IOException {
    int id = -1;/*w  w w .  j  a v a 2 s .  c o  m*/
    String type = "";
    String protocolVersion = "";

    try {
        reader.beginArray();
        reader.beginObject();
        while (reader.hasNext()) {
            String property = reader.nextName();
            if (property.equals("id")) {
                id = reader.nextInt();
            } else if (property.equals("type")) {
                type = reader.nextString();
            } else if (property.equals("protocol_version")) {
                protocolVersion = reader.nextString();
            } else if (property.equals("capabilities")) {
                try {
                    reader.beginArray();
                    reader.endArray();
                } catch (IllegalStateException e) {
                    throw new HumanReadableException(
                            "Expected handshake response's \"capabilities\" to " + "be an empty array.");
                }
            } else {
                reader.skipValue();
            }
        }
        reader.endObject();
    } catch (IOException e) {
        throw new HumanReadableException(e, "Error receiving handshake response from external process.\n"
                + "Stderr from external process:\n%s", getStdErrorOutput(stdErr));
    }

    if (id != messageId) {
        throw new HumanReadableException(String.format(
                "Expected handshake response's \"id\" value " + "to be \"%d\", got \"%d\" instead.", messageId,
                id));
    }
    if (!type.equals(TYPE_HANDSHAKE)) {
        throw new HumanReadableException(
                String.format("Expected handshake response's \"type\" " + "to be \"%s\", got \"%s\" instead.",
                        TYPE_HANDSHAKE, type));
    }
    if (!protocolVersion.equals(PROTOCOL_VERSION)) {
        throw new HumanReadableException(String.format(
                "Expected handshake response's " + "\"protocol_version\" to be \"%s\", got \"%s\" instead.",
                PROTOCOL_VERSION, protocolVersion));
    }
}

---

From source file:com.flipkart.batchdemo.adapter.CustomTagDataAdapter.java

License:Open Source License

@Override
public CustomTagData read(JsonReader reader) throws IOException {
    if (reader.peek() == com.google.gson.stream.JsonToken.NULL) {
        reader.nextNull();//  w w w.j a  va 2 s  . c o  m
        return null;
    }
    if (reader.peek() != com.google.gson.stream.JsonToken.BEGIN_OBJECT) {
        reader.skipValue();
        return null;
    }
    reader.beginObject();

    Tag tag = null;
    Long eventId = 0L;
    JSONObject event = null;
    while (reader.hasNext()) {
        String name = reader.nextName();
        com.google.gson.stream.JsonToken jsonToken = reader.peek();
        if (jsonToken == com.google.gson.stream.JsonToken.NULL) {
            reader.skipValue();
            continue;
        }
        switch (name) {
        case "tag":
            tag = tagTypeAdapter.read(reader);
            break;
        case "eventId":
            eventId = BatchingTypeAdapters.LONG.read(reader);
            break;
        case "event":
            event = BatchingTypeAdapters.getJSONObjectTypeAdapter(gson).read(reader);
            break;
        default:
            reader.skipValue();
            break;
        }
    }

    reader.endObject();
    CustomTagData customTagData = new CustomTagData(tag, event);
    customTagData.setEventId(eventId);
    return customTagData;
}

---

From source file:com.flipkart.batching.gson.adapters.batch.SizeBatchTypeAdapter.java

License:Open Source License

@Override
public SizeBatch<T> read(JsonReader reader) throws IOException {
    if (reader.peek() == com.google.gson.stream.JsonToken.NULL) {
        reader.nextNull();//from  w w  w  . j  a va  2 s.co m
        return null;
    }
    if (reader.peek() != com.google.gson.stream.JsonToken.BEGIN_OBJECT) {
        reader.skipValue();
        return null;
    }
    reader.beginObject();

    int maxBatchSize = 0;
    DataCollection<T> dataCollection = null;

    while (reader.hasNext()) {
        String name = reader.nextName();
        com.google.gson.stream.JsonToken jsonToken = reader.peek();
        if (jsonToken == com.google.gson.stream.JsonToken.NULL) {
            reader.skipValue();
            continue;
        }

        switch (name) {
        case "maxBatchSize":
            maxBatchSize = BatchingTypeAdapters.INTEGER.read(reader);
            break;
        case "dataCollection":
            dataCollection = typeAdapter.read(reader);
            break;
        default:
            reader.skipValue();
            break;
        }
    }

    reader.endObject();
    return dataCollection == null ? null : new SizeBatch<>(dataCollection.dataCollection, maxBatchSize);
}

---

From source file:com.flipkart.batching.gson.adapters.batch.SizeTimeBatchTypeAdapter.java

License:Open Source License

@Override
public SizeTimeBatch<T> read(JsonReader reader) throws IOException {
    if (reader.peek() == com.google.gson.stream.JsonToken.NULL) {
        reader.nextNull();//www.  jav  a 2  s  .co  m
        return null;
    }
    if (reader.peek() != com.google.gson.stream.JsonToken.BEGIN_OBJECT) {
        reader.skipValue();
        return null;
    }
    reader.beginObject();

    int maxBatchSize = 0;
    DataCollection<T> dataCollection = null;
    long timeout = 0L;

    while (reader.hasNext()) {
        String name = reader.nextName();
        com.google.gson.stream.JsonToken jsonToken = reader.peek();
        if (jsonToken == com.google.gson.stream.JsonToken.NULL) {
            reader.skipValue();
            continue;
        }
        switch (name) {
        case "maxBatchSize":
            maxBatchSize = BatchingTypeAdapters.INTEGER.read(reader);
            break;
        case "dataCollection":
            dataCollection = typeAdapter.read(reader);
            break;
        case "timeOut":
            timeout = BatchingTypeAdapters.LONG.read(reader);
            break;
        default:
            reader.skipValue();
            break;
        }
    }

    reader.endObject();
    return dataCollection == null ? null
            : new SizeTimeBatch<>(dataCollection.dataCollection, maxBatchSize, timeout);
}

---

From source file:com.flipkart.batching.gson.adapters.batch.TagBatchTypeAdapter.java

License:Open Source License

@Override
public TagBatch<T> read(JsonReader reader) throws IOException {
    if (reader.peek() == com.google.gson.stream.JsonToken.NULL) {
        reader.nextNull();/*from  ww  w  .  j  a  v a2 s  . c om*/
        return null;
    }
    if (reader.peek() != com.google.gson.stream.JsonToken.BEGIN_OBJECT) {
        reader.skipValue();
        return null;
    }
    reader.beginObject();

    Tag tag = null;
    DataCollection<T> collection = null;

    while (reader.hasNext()) {
        String name = reader.nextName();
        com.google.gson.stream.JsonToken jsonToken = reader.peek();
        if (jsonToken == com.google.gson.stream.JsonToken.NULL) {
            reader.skipValue();
            continue;
        }
        switch (name) {
        case "tag":
            tag = tagTypeAdapter.read(reader);
            break;
        case "dataCollection":
            collection = typeAdapter.read(reader);
            break;
        default:
            reader.skipValue();
            break;
        }
    }

    reader.endObject();
    return collection == null || tag == null ? null
            : new TagBatch<>(tag, new BatchImpl<>(collection.dataCollection));
}

---

From source file:com.flipkart.batching.gson.adapters.batch.TimeBatchTypeAdapter.java

License:Open Source License

@Override
public TimeBatch<T> read(JsonReader reader) throws IOException {
    if (reader.peek() == com.google.gson.stream.JsonToken.NULL) {
        reader.nextNull();/*from w w  w  . j  a va  2s  . c om*/
        return null;
    }
    if (reader.peek() != com.google.gson.stream.JsonToken.BEGIN_OBJECT) {
        reader.skipValue();
        return null;
    }
    reader.beginObject();

    long timeOut = 0L;
    DataCollection<T> dataCollection = null;

    while (reader.hasNext()) {
        String name = reader.nextName();
        com.google.gson.stream.JsonToken jsonToken = reader.peek();
        if (jsonToken == com.google.gson.stream.JsonToken.NULL) {
            reader.skipValue();
            continue;
        }
        switch (name) {
        case "timeOut":
            timeOut = BatchingTypeAdapters.LONG.read(reader);
            break;
        case "dataCollection":
            dataCollection = typeAdapter.read(reader);
            break;
        default:
            reader.skipValue();
            break;
        }
    }

    reader.endObject();
    return dataCollection == null ? null : new TimeBatch<>(dataCollection.dataCollection, timeOut);
}

---

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