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

List of usage examples for com.google.gson.stream JsonReader peek

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Introduction

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

Prototype

public JsonToken peek() throws IOException

Source Link

Document

Returns the type of the next token without consuming it.

Usage

From source file:com.dracade.ember.core.adapters.ClassAdapter.java

License:Open Source License

@Override
public Class read(JsonReader in) throws IOException {
    if (in.peek() == JsonToken.NULL) {
        return null;
    }//from ww w.ja  v  a2 s . c  om
    in.beginObject();
    in.nextName();
    in.nextString();
    in.nextName();

    Class c = null;
    try {
        c = Class.forName(in.nextString());
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }

    in.endObject();

    return c;
}

From source file:com.dracade.ember.core.adapters.WorldAdapter.java

License:Open Source License

@Override
public World read(JsonReader in) throws IOException {
    if (in.peek() == JsonToken.NULL) {
        return null;
    }//from ww  w  .ja  v a2 s .c om

    in.beginObject();
    in.nextName();
    in.nextString();
    in.nextName();

    Optional<World> optional = Ember.game().getServer().getWorld(UUID.fromString(in.nextString()));

    in.endObject();

    return optional.isPresent() ? optional.get() : null;
}

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();//from  w  w  w  . j ava 2s .  c o 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.ecwid.mailchimp.internal.gson.MailChimpObjectTypeAdapter.java

License:Apache License

private List<?> readList(JsonReader in) throws IOException {
    List<Object> result = new ArrayList<Object>();
    in.beginArray();//  w  ww .  j a  va  2 s  .co m
    while (in.peek() != JsonToken.END_ARRAY) {
        final Object element;

        if (in.peek() == JsonToken.BEGIN_OBJECT) {
            element = gson.getAdapter(MailChimpObject.class).read(in);
        } else if (in.peek() == JsonToken.BEGIN_ARRAY) {
            element = readList(in);
        } else {
            element = gson.getAdapter(Object.class).read(in);
        }

        result.add(element);
    }
    in.endArray();
    return result;
}

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();/*from  w  ww  . j  ava 2s  .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();//  w  ww  .j av  a 2s  . c o 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();//from   www  .j a  v  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 w ww .  ja  va2s.  com*/
        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();/*  w  w w . j av a 2  s. co m*/
        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);
}

From source file:com.flipkart.batching.gson.adapters.BatchImplTypeAdapter.java

License:Open Source License

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

    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 "dataCollection":
            dataCollection = typeAdapter.read(reader);
            break;
        default:
            reader.skipValue();
            break;
        }
    }

    reader.endObject();
    return dataCollection == null ? null : new BatchImpl<T>(dataCollection.dataCollection);
}