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

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

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Introduction

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

Prototype

public String nextName() throws IOException

Source Link

Document

Returns the next token, a com.google.gson.stream.JsonToken#NAME property name , and consumes it.

Usage

From source file:com.nridge.ds.solr.SolrSchemaJSON.java

License:Open Source License

/**
 * Parses an JSON string representing the Solr schema and loads it into a document
 * and returns an instance to it./*from w w  w. ja  v  a2 s  .co m*/
 *
 * @param aSchemaString JSON string representation of the Solr schema.
 *
 * @return Document instance containing the parsed data.
 *
 * @throws java.io.IOException I/O related exception.
 */
public Document loadDocument(String aSchemaString) throws IOException {
    String jsonName, jsonValue;

    Document schemaDocument = new Document(Solr.DOCUMENT_SCHEMA_TYPE);
    DataBag schemaBag = schemaDocument.getBag();

    // Parse a subset of the JSON payload to identify the table columns before fully processing it.

    SolrSchema solrSchema = new SolrSchema(mAppMgr);
    DataTable fieldsTable = new DataTable(solrSchema.createFieldsBag());
    DataTable dynamicFieldsTable = createSchemaFieldTable(aSchemaString, OBJECT_SCHEMA_DYNAMIC_FIELDS,
            "Solr Schema Dynamic Fields");
    DataTable copyFieldsTable = createSchemaFieldTable(aSchemaString, OBJECT_SCHEMA_COPY_FIELDS,
            "Solr Schema Copy Fields");

    StringReader stringReader = new StringReader(aSchemaString);
    JsonReader jsonReader = new JsonReader(stringReader);

    jsonReader.beginObject();
    while (jsonReader.hasNext()) {
        jsonName = jsonReader.nextName();
        if (StringUtils.equals(jsonName, OBJECT_RESPONSE_HEADER)) {
            Document headerDocument = new Document(Solr.RESPONSE_SCHEMA_HEADER);
            headerDocument.setName(jsonName);
            DataBag headerBag = headerDocument.getBag();
            jsonReader.beginObject();
            while (jsonReader.hasNext()) {
                jsonName = jsonReader.nextName();
                jsonValue = nextValueAsString(jsonReader);
                headerBag.add(new DataTextField(jsonName, Field.nameToTitle(jsonName), jsonValue));
            }
            jsonReader.endObject();
            schemaDocument.addRelationship(Solr.RESPONSE_SCHEMA_HEADER, headerDocument);
        } else if (StringUtils.equals(jsonName, OBJECT_SCHEMA)) {
            jsonReader.beginObject();
            while (jsonReader.hasNext()) {
                jsonName = jsonReader.nextName();
                if (StringUtils.equals(jsonName, "name")) {
                    jsonValue = nextValueAsString(jsonReader);
                    schemaBag.add(jsonName, Field.nameToTitle(jsonName), jsonValue);
                } else if (StringUtils.equals(jsonName, "version")) {
                    jsonValue = nextValueAsString(jsonReader);
                    schemaBag.add(jsonName, Field.nameToTitle(jsonName), jsonValue);
                } else if (StringUtils.equals(jsonName, "uniqueKey")) {
                    jsonValue = nextValueAsString(jsonReader);
                    schemaBag.add(jsonName, Field.nameToTitle(jsonName), jsonValue);
                } else if (StringUtils.equals(jsonName, OBJECT_SCHEMA_FIELD_TYPES)) {
                    populateSchemaFieldTypes(jsonReader, schemaDocument);
                } else if (StringUtils.equals(jsonName, OBJECT_SCHEMA_FIELDS)) {
                    populateSchemaFieldTable(jsonReader, fieldsTable);
                    Document fieldsDocument = new Document(Solr.RESPONSE_SCHEMA_FIELD_NAMES, fieldsTable);
                    schemaDocument.addRelationship(Solr.RESPONSE_SCHEMA_FIELD_NAMES, fieldsDocument);
                } else if (StringUtils.equals(jsonName, OBJECT_SCHEMA_DYNAMIC_FIELDS)) {
                    populateSchemaFieldTable(jsonReader, dynamicFieldsTable);
                    Document dynamicFieldsDocument = new Document(Solr.RESPONSE_SCHEMA_DYNAMIC_FIELDS,
                            dynamicFieldsTable);
                    schemaDocument.addRelationship(Solr.RESPONSE_SCHEMA_DYNAMIC_FIELDS, dynamicFieldsDocument);
                } else if (StringUtils.equals(jsonName, OBJECT_SCHEMA_COPY_FIELDS)) {
                    populateSchemaFieldTable(jsonReader, copyFieldsTable);
                    Document copyFieldsDocument = new Document(Solr.RESPONSE_SCHEMA_COPY_FIELDS,
                            copyFieldsTable);
                    schemaDocument.addRelationship(Solr.RESPONSE_SCHEMA_COPY_FIELDS, copyFieldsDocument);
                } else
                    jsonReader.skipValue();
            }
            jsonReader.endObject();
        } else
            jsonReader.skipValue();
    }
    jsonReader.endObject();
    jsonReader.close();

    return schemaDocument;
}

From source file:com.owncloud.android.lib.resources.activities.models.RichElementTypeAdapter.java

License:Open Source License

private void read(RichElement richElement, JsonReader in) throws IOException {
    while (in.hasNext()) {
        String name = in.nextName();
        if (name != null && !name.isEmpty()) {
            richElement.getRichObjectList().add(readObject(name, in));
        }// ww  w  .  j  a  v  a2  s.  c  o m
    }
}

From source file:com.owncloud.android.lib.resources.activities.models.RichElementTypeAdapter.java

License:Open Source License

private RichObject readObject(String tag, JsonReader in) throws IOException {
    in.beginObject();//from w w w.  j av a 2  s  . co  m
    RichObject richObject = new RichObject();
    richObject.setTag(tag);
    while (in.hasNext()) {
        String name;
        try {
            name = in.nextName();
        } catch (IllegalStateException e) {
            name = "";
        }

        switch (name) {
        case "type":
            richObject.setType(getNextString(in));
            break;
        case "id":
            richObject.setId(getNextString(in));
            break;
        case "name":
            richObject.setName(getNextString(in));
            break;
        case "path":
            richObject.setPath(getNextString(in));
            break;
        case "link":
            richObject.setLink(getNextString(in));
            break;
        case "server":
            richObject.setLink(getNextString(in));
            break;
        default:
            in.skipValue(); // ignore value
            break;
        }
    }
    in.endObject();
    return richObject;
}

From source file:com.patloew.countries.util.CountryTypeAdapter.java

License:Apache License

@Override
public Country read(JsonReader in) throws IOException {
    try {//from   w ww. j  av a 2s. com
        Country country = new Country();

        in.beginObject();

        while (in.hasNext()) {
            String name = in.nextName();

            switch (name) {
            case "alpha2Code": {
                // cannot be null, because it is the primary key
                country.alpha2Code = in.nextString();
                break;
            }
            case "alpha3Code": {
                country.alpha3Code = JsonUtils.readNullSafeString(in);
                break;
            }
            case "name": {
                country.name = JsonUtils.readNullSafeString(in);
                break;
            }
            case "nativeName": {
                country.nativeName = JsonUtils.readNullSafeString(in);
                break;
            }
            case "region": {
                country.region = JsonUtils.readNullSafeString(in);
                break;
            }
            case "capital": {
                country.capital = JsonUtils.readNullSafeString(in);
                break;
            }
            case "population": {
                country.population = JsonUtils.readNullSafeInteger(in);
                break;
            }
            case "latlng": {
                if (in.peek() == JsonToken.NULL) {
                    in.nextNull();
                } else {
                    in.beginArray();
                    if (in.hasNext()) {
                        country.lat = JsonUtils.readNullSafeFloat(in);
                    }
                    if (in.hasNext()) {
                        country.lng = JsonUtils.readNullSafeFloat(in);
                    }
                    in.endArray();
                }
                break;
            }
            case "currencies": {
                country.currencies = RealmStringListTypeAdapter.INSTANCE.read(in);
                break;
            }
            case "borders": {
                country.borders = RealmStringListTypeAdapter.INSTANCE.read(in);
                break;
            }
            case "languages": {
                country.languages = RealmStringListTypeAdapter.INSTANCE.read(in);
                break;
            }
            case "translations": {
                country.translations = RealmStringMapEntryListTypeAdapter.INSTANCE.read(in);
                break;
            }
            default:
                in.skipValue();
                break;
            }
        }

        in.endObject();

        return country;
    } catch (Exception e) {
        throw new IOException(e);
    }
}

From source file:com.patloew.countries.util.RealmStringMapEntryListTypeAdapter.java

License:Apache License

@Override
public RealmList<RealmStringMapEntry> read(JsonReader in) throws IOException {
    RealmList<RealmStringMapEntry> mapEntries = new RealmList<>();

    in.beginObject();/*from   w  w  w. j a  v  a  2  s .c o m*/

    while (in.hasNext()) {
        RealmStringMapEntry realmStringMapEntry = new RealmStringMapEntry();
        realmStringMapEntry.key = in.nextName();

        if (in.peek() == JsonToken.NULL) {
            in.nextNull();
            realmStringMapEntry.value = null;
        } else {
            realmStringMapEntry.value = in.nextString();
        }

        mapEntries.add(realmStringMapEntry);
    }

    in.endObject();

    return mapEntries;
}

From source file:com.pocketbeer.presentation.flow.GsonParceler.java

License:Apache License

private Object decode(String json) throws IOException {
    JsonReader reader = new JsonReader(new StringReader(json));

    try {/*from  w ww .  ja v  a 2  s  .c om*/
        reader.beginObject();

        Class<?> type = Class.forName(reader.nextName());
        return mGson.fromJson(reader, type);
    } catch (ClassNotFoundException e) {
        throw new RuntimeException(e);
    } finally {
        reader.close();
    }
}

From source file:com.ptapp.sync.PTAppDataHandler.java

License:Open Source License

/**
 * Processes a conference data body and calls the appropriate data type handlers
 * to process each of the objects represented therein.
 *
 * @param dataBody The body of data to process
 * @throws java.io.IOException If there is an error parsing the data.
 *///from   w w w . java  2s . co  m
private void processDataBody(String dataBody) throws IOException {
    JsonReader reader = new JsonReader(new StringReader(dataBody));
    JsonParser parser = new JsonParser();
    try {
        reader.setLenient(true); // To err is human

        // the whole file is a single JSON object
        reader.beginObject();

        while (reader.hasNext()) {
            // the key is "educators", "courses", "students", "events" etc.
            String key = reader.nextName();
            if (mHandlerForKey.containsKey(key)) {
                // pass the value to the corresponding handler
                mHandlerForKey.get(key).process(parser.parse(reader));
            } else {
                LOGW(TAG, "Skipping unknown key in ptapp data json: " + key);
                reader.skipValue();
            }
        }
        reader.endObject();
    } finally {
        reader.close();
    }
}

From source file:com.qdeve.oilprice.configuration.GsonMoneyTypeAdapter.java

License:Apache License

@Override
public Money read(JsonReader in) throws IOException {
    String currency = null;//  w  w  w.jav a  2 s  . c  o  m
    Double price = null;
    in.beginObject();
    while (in.hasNext()) {
        switch (in.nextName()) {
        case CURRENTY_TAG:
            currency = in.nextString();
            break;
        case PRICE_TAG:
            price = in.nextDouble();
            break;
        }
    }
    in.endObject();
    return MonetaryUtils.newMoneyFrom(price, currency);
}

From source file:com.quarterfull.newsAndroid.reader.owncloud.OwnCloudReaderMethods.java

License:Open Source License

/**
 * can parse json like {"items":[{"id":6782}]}
 * @param in/*from w  w w.j av a 2  s  . co  m*/
 * @param iJoBj
 * @return count all, count new items
 * @throws IOException
 */
public static int[] readJsonStreamV2(InputStream in, IHandleJsonObject iJoBj) throws IOException {
    List<String> allowedArrays = Arrays.asList("feeds", "folders", "items");

    int count = 0;
    int newItemsCount = 0;
    JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
    reader.beginObject();

    String currentName;
    while (reader.hasNext() && (currentName = reader.nextName()) != null) {
        if (allowedArrays.contains(currentName))
            break;
        else
            reader.skipValue();
    }

    reader.beginArray();
    while (reader.hasNext()) {
        JSONObject e = getJSONObjectFromReader(reader);

        if (iJoBj.performAction(e))
            newItemsCount++;

        count++;
    }

    if (iJoBj instanceof InsertItemIntoDatabase)
        ((InsertItemIntoDatabase) iJoBj).performDatabaseBatchInsert(); //Save pending buffer

    //reader.endArray();
    //reader.endObject();
    reader.close();

    return new int[] { count, newItemsCount };
}

From source file:com.quarterfull.newsAndroid.reader.owncloud.OwnCloudReaderMethods.java

License:Open Source License

/**
 * can parse json like {"items":[{"id":6782}]}
 * @param in//from w ww.j a v a  2  s . c  om
 * @param iJoBj
 * @return new int[] { count, newItemsCount }
 * @throws IOException
 */
public static int[] readJsonStreamV1(InputStream in, IHandleJsonObject iJoBj) throws IOException {
    int count = 0;
    int newItemsCount = 0;
    JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
    reader.beginObject();//{
    reader.nextName();//"ocs"
    reader.beginObject();//{
    reader.nextName();//meta

    getJSONObjectFromReader(reader);//skip status etc.

    reader.nextName();//data
    reader.beginObject();//{
    reader.nextName();//folders etc..

    reader.beginArray();
    while (reader.hasNext()) {
        //reader.beginObject();

        JSONObject e = getJSONObjectFromReader(reader);

        if (iJoBj.performAction(e))
            newItemsCount++;

        //reader.endObject();
        count++;
    }

    if (iJoBj instanceof InsertItemIntoDatabase)
        ((InsertItemIntoDatabase) iJoBj).performDatabaseBatchInsert(); //Save pending buffer

    //reader.endArray();
    //reader.endObject();
    reader.close();

    return new int[] { count, newItemsCount };
}