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

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

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Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closes this JSON reader and the underlying java.io.Reader .

Usage

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

License:Open Source License

private DataTable createSchemaFieldTable(String aSchemaString, String aFieldName, String aTitle)
        throws IOException {
    String jsonName;/*from w  w w  . j  av  a 2 s. c o  m*/
    DataField dataField;

    DataTable dataTable = new DataTable(aTitle);
    DataBag dataBag = dataTable.getColumnBag();

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

    jsonReader.beginObject();
    while (jsonReader.hasNext()) {
        jsonName = jsonReader.nextName();
        if (StringUtils.equals(jsonName, OBJECT_SCHEMA)) {
            jsonReader.beginObject();
            while (jsonReader.hasNext()) {
                jsonName = jsonReader.nextName();
                if (StringUtils.equals(jsonName, aFieldName)) {
                    jsonReader.beginArray();
                    while (jsonReader.hasNext()) {
                        jsonReader.beginObject();
                        while (jsonReader.hasNext()) {
                            jsonName = jsonReader.nextName();
                            dataField = dataBag.getFieldByName(jsonName);
                            if (dataField == null) {
                                dataField = new DataTextField(jsonName, Field.nameToTitle(jsonName));
                                dataField.addFeature(Field.FEATURE_IS_STORED, StrUtl.STRING_TRUE);
                                dataBag.add(dataField);
                            }
                            jsonReader.skipValue();
                        }
                        jsonReader.endObject();
                    }
                    jsonReader.endArray();
                    ;
                } else
                    jsonReader.skipValue();
            }
            jsonReader.endObject();
        } else
            jsonReader.skipValue();
    }
    jsonReader.endObject();
    jsonReader.close();

    return dataTable;
}

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.// www .j a v  a  2  s.c  om
 *
 * @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.oscarsalguero.smartystreetsautocomplete.json.GsonSmartyStreetsApiJsonParser.java

License:Apache License

@Override
public List<Address> readHistoryJson(final InputStream in) throws JsonParsingException {
    try {/* ww w.j  av a 2 s  .c o  m*/
        JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
        List<Address> addresses = new ArrayList<>();
        reader.beginArray();
        while (reader.hasNext()) {
            Address message = gson.fromJson(reader, Address.class);
            addresses.add(message);
        }
        reader.endArray();
        reader.close();
        return addresses;
    } catch (Exception e) {
        throw new JsonParsingException(e);
    }
}

From source file:com.pearson.pdn.learningstudio.helloworld.OAuth2AssertionServlet.java

License:Apache License

@Override
public Map<String, String> getOAuthHeaders(String resourceUrl, String httpMethod, String httpBody)
        throws IOException {
    // you would just reuse these values in the real world,
    // but we'll recreate them on every call here for simplicity.

    String username = resources.getString("username");

    final String grantType = "assertion";
    final String assertionType = "urn:ecollege:names:moauth:1.0:assertion";
    final String url = LS_API_URL + "/token";

    final String applicationId = resources.getString("applicationId");
    final String applicationName = resources.getString("applicationName");
    final String consumerKey = resources.getString("consumerKey");
    final String clientString = resources.getString("clientString");
    final String consumerSecret = resources.getString("consumerSecret");

    HttpsURLConnection httpConn = null;
    JsonReader in = null;
    try {// w  ww  .j  a  va 2  s.  co  m

        // Create the Assertion String
        String assertion = buildAssertion(applicationName, consumerKey, applicationId, clientString, username,
                consumerSecret);

        // Create the data to send
        StringBuilder data = new StringBuilder();
        data.append("grant_type=").append(URLEncoder.encode(grantType, "UTF-8"));
        data.append("&assertion_type=").append(URLEncoder.encode(assertionType, "UTF-8"));
        data.append("&assertion=").append(URLEncoder.encode(assertion, "UTF-8"));

        // Create a byte array of the data to be sent
        byte[] byteArray = data.toString().getBytes("UTF-8");

        // Setup the Request
        URL request = new URL(url);
        httpConn = (HttpsURLConnection) request.openConnection();
        httpConn.setRequestMethod("POST");
        httpConn.setRequestProperty("User-Agent", "LS-HelloWorld-Java-V1");
        httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        httpConn.setRequestProperty("Content-Length", "" + byteArray.length);
        httpConn.setDoOutput(true);

        // Write data
        OutputStream postStream = httpConn.getOutputStream();
        postStream.write(byteArray, 0, byteArray.length);
        postStream.close();

        long creationTime = System.currentTimeMillis();

        // Send Request & Get Response
        in = new JsonReader(new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "UTF-8")));

        // Parse the Json response and retrieve the Access Token
        Gson gson = new Gson();
        Type mapTypeAccess = new TypeToken<Map<String, String>>() {
        }.getType();
        Map<String, String> ser = gson.fromJson(in, mapTypeAccess);
        String accessToken = ser.get("access_token");

        if (accessToken == null || accessToken.length() == 0) {
            throw new IOException("Missing Access Token");
        }

        Map<String, String> headers = new TreeMap<String, String>();
        headers.put("X-Authorization", "Access_Token access_token=" + accessToken);
        return headers;

    } finally {

        // Be sure to close out any resources or connections
        if (in != null)
            in.close();
        if (httpConn != null)
            httpConn.disconnect();
    }
}

From source file:com.pearson.pdn.learningstudio.oauth.OAuth2AssertionService.java

License:Apache License

/**
 * Generates OAuth2 Assertion Request/*from  w w  w  .j  av  a 2  s. co m*/
 * 
 * @param username   Username for request
 * @return   OAuth2 request with assertion
 * @throws IOException
 */
public OAuth2Request generateOAuth2AssertionRequest(String username) throws IOException {

    final String grantType = "assertion";
    final String assertionType = "urn:ecollege:names:moauth:1.0:assertion";
    final String url = API_DOMAIN + "/token";

    final String applicationId = configuration.getApplicationId();
    final String applicationName = configuration.getApplicationName();
    final String consumerKey = configuration.getConsumerKey();
    final String clientString = configuration.getClientString();
    final String consumerSecret = configuration.getConsumerSecret();

    OAuth2Request oauthRequest = null;
    HttpsURLConnection httpConn = null;
    JsonReader in = null;
    try {

        // Create the Assertion String
        String assertion = buildAssertion(applicationName, consumerKey, applicationId, clientString, username,
                consumerSecret);

        // Create the data to send
        StringBuilder data = new StringBuilder();
        data.append("grant_type=").append(URLEncoder.encode(grantType, "UTF-8"));
        data.append("&assertion_type=").append(URLEncoder.encode(assertionType, "UTF-8"));
        data.append("&assertion=").append(URLEncoder.encode(assertion, "UTF-8"));

        // Create a byte array of the data to be sent
        byte[] byteArray = data.toString().getBytes("UTF-8");

        // Setup the Request
        URL request = new URL(url);
        httpConn = (HttpsURLConnection) request.openConnection();
        httpConn.setRequestMethod("POST");
        httpConn.addRequestProperty("User-Agent", "LS-Library-OAuth-Java-V1");
        httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        httpConn.setRequestProperty("Content-Length", "" + byteArray.length);
        httpConn.setDoOutput(true);

        // Write data
        OutputStream postStream = httpConn.getOutputStream();
        postStream.write(byteArray, 0, byteArray.length);
        postStream.close();

        long creationTime = System.currentTimeMillis();

        // Send Request & Get Response
        in = new JsonReader(new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "UTF-8")));

        // Parse the Json response and retrieve the Access Token
        Gson gson = new Gson();
        Type mapTypeAccess = new TypeToken<Map<String, String>>() {
        }.getType();
        Map<String, String> ser = gson.fromJson(in, mapTypeAccess);
        String accessToken = ser.get("access_token");

        if (accessToken == null || accessToken.length() == 0) {
            throw new IOException("Missing Access Token");
        }

        oauthRequest = new OAuth2Request();
        oauthRequest.setAccessToken(accessToken);
        oauthRequest.setExpiresInSeconds(new Integer(ser.get("expires_in")));
        oauthRequest.setCreationTime(creationTime);

        Map<String, String> headers = new TreeMap<String, String>();
        headers.put("X-Authorization", "Access_Token access_token=" + accessToken);
        oauthRequest.setHeaders(headers);

    } finally {

        // Be sure to close out any resources or connections
        if (in != null)
            in.close();
        if (httpConn != null)
            httpConn.disconnect();
    }

    return oauthRequest;
}

From source file:com.pearson.pdn.learningstudio.oauth.OAuth2PasswordService.java

License:Apache License

private OAuth2Request doRequest(byte[] byteArray) throws IOException {
    final String url = API_DOMAIN + "/token";

    OAuth2Request oauthRequest = null;
    HttpsURLConnection httpConn = null;
    JsonReader in = null;
    try {/*from   w  ww  .  j  a v  a  2  s .c  o  m*/
        // Setup the Request
        URL request = new URL(url);
        httpConn = (HttpsURLConnection) request.openConnection();
        httpConn.setRequestMethod("POST");
        httpConn.addRequestProperty("User-Agent", "LS-Library-OAuth-Java-V1");
        httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        httpConn.setRequestProperty("Content-Length", "" + byteArray.length);
        httpConn.setDoOutput(true);

        // Write data
        OutputStream postStream = httpConn.getOutputStream();
        postStream.write(byteArray, 0, byteArray.length);
        postStream.close();

        long creationTime = System.currentTimeMillis();

        // Send Request & Get Response
        in = new JsonReader(new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "UTF-8")));

        // Parse the Json response and retrieve the Access Token
        Gson gson = new Gson();
        Type mapType = new TypeToken<Map<String, String>>() {
        }.getType();
        Map<String, String> ser = gson.fromJson(in, mapType);
        String accessToken = ser.get("access_token");

        if (accessToken == null || accessToken.length() == 0) {
            throw new IOException("Missing Access Token");
        }

        oauthRequest = new OAuth2Request();
        oauthRequest.setAccessToken(accessToken);
        oauthRequest.setExpiresInSeconds(new Integer(ser.get("expires_in")));
        oauthRequest.setRefreshToken(ser.get("refresh_token"));
        oauthRequest.setCreationTime(creationTime);

        Map<String, String> headers = new TreeMap<String, String>();
        headers.put("X-Authorization", "Access_Token access_token=" + accessToken);
        oauthRequest.setHeaders(headers);

    } finally {
        // Be sure to close out any resources or connections
        if (in != null)
            in.close();
        if (httpConn != null)
            httpConn.disconnect();
    }

    return oauthRequest;
}

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 {//  ww w .  ja v  a2 s.  c o  m
        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. j  a va  2 s  .  c o 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.quarterfull.newsAndroid.reader.owncloud.OwnCloudReaderMethods.java

License:Open Source License

/**
 * can parse json like {"items":[{"id":6782}]}
 * @param in/* www  .  ja  va 2  s .  c o 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  w  w  .ja  v  a  2 s . com
 * @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 };
}