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

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:at.univie.sensorium.preferences.Preferences.java

License:Open Source License

private void loadPrefsFromStream(InputStream input) {
    List<BasicNameValuePair> preferencelist = new LinkedList<BasicNameValuePair>();
    try {//from  w w w . j  av  a 2  s . c  o  m
        InputStreamReader isreader = new InputStreamReader(input);
        JsonReader reader = new JsonReader(isreader);
        //         String jsonVersion = "";

        reader.beginArray(); // do we have an array or just a single object?
        reader.beginObject();
        while (reader.hasNext()) {
            String name = reader.nextName();
            String value = reader.nextString();
            if (name.equalsIgnoreCase(PREFERENCES_VERSION))
                currentPrefVersion = Integer.valueOf(value);
            BasicNameValuePair kv = new BasicNameValuePair(name, value);
            preferencelist.add(kv);
        }
        reader.endObject();
        reader.endArray();
        reader.close();

        if (newerPrefsAvailable()) {
            Log.d(SensorRegistry.TAG, "Newer preferences available in json, overwriting existing.");
            for (BasicNameValuePair kv : preferencelist) {
                putPreference(kv.getName(), kv.getValue());
            }
            // also reset the welcome screen
            putBoolean(WELCOME_SCREEN_SHOWN, false);
        } else {
            Log.d(SensorRegistry.TAG, "Preferences are recent, not overwriting.");
        }

    } catch (FileNotFoundException e) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        e.printStackTrace(pw);
        Log.d(SensorRegistry.TAG, sw.toString());
    } catch (IOException e) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        e.printStackTrace(pw);
        Log.d(SensorRegistry.TAG, sw.toString());
    }
}

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From source file:au.edu.unsw.cse.soc.federatedcloud.deployers.github.repository.GitHubClient.java

License:Open Source License

/**
 * Parse JSON to specified type// w ww .  j a v  a2 s.  co  m
 *
 * @param <V>
 * @param stream
 * @param type
 * @param listType
 * @return parsed type
 * @throws IOException
 */
protected <V> V parseJson(InputStream stream, Type type, Type listType) throws IOException {
    BufferedReader reader = new BufferedReader(new InputStreamReader(stream, CHARSET_UTF8), bufferSize);
    if (listType == null)
        try {
            return gson.fromJson(reader, type);
        } catch (JsonParseException jpe) {
            IOException ioe = new IOException("Parse exception converting JSON to object"); //$NON-NLS-1$
            ioe.initCause(jpe);
            throw ioe;
        } finally {
            try {
                reader.close();
            } catch (IOException ignored) {
                // Ignored
            }
        }
    else {
        JsonReader jsonReader = new JsonReader(reader);
        try {
            if (jsonReader.peek() == BEGIN_ARRAY)
                return gson.fromJson(jsonReader, listType);
            else
                return gson.fromJson(jsonReader, type);
        } catch (JsonParseException jpe) {
            IOException ioe = new IOException("Parse exception converting JSON to object"); //$NON-NLS-1$
            ioe.initCause(jpe);
            throw ioe;
        } finally {
            try {
                jsonReader.close();
            } catch (IOException ignored) {
                // Ignored
            }
        }
    }
}

---

From source file:au.edu.unsw.cse.soc.federatedcloud.deployers.github.repository.GitHubRepoDeploymentWrapper.java

License:Open Source License

protected <V> V parseJson(InputStream stream, Type type, Type listType) throws IOException {
    BufferedReader reader = new BufferedReader(new InputStreamReader(stream, CHARSET_UTF8), bufferSize);
    if (listType == null)
        try {//  w ww . j a  va2s. com
            return gson.fromJson(reader, type);
        } catch (JsonParseException jpe) {
            IOException ioe = new IOException("Parse exception converting JSON to object"); //$NON-NLS-1$
            ioe.initCause(jpe);
            throw ioe;
        } finally {
            try {
                reader.close();
            } catch (IOException ignored) {
                // Ignored
            }
        }
    else {
        JsonReader jsonReader = new JsonReader(reader);
        try {
            if (jsonReader.peek() == BEGIN_ARRAY)
                return gson.fromJson(jsonReader, listType);
            else
                return gson.fromJson(jsonReader, type);
        } catch (JsonParseException jpe) {
            IOException ioe = new IOException("Parse exception converting JSON to object"); //$NON-NLS-1$
            ioe.initCause(jpe);
            throw ioe;
        } finally {
            try {
                jsonReader.close();
            } catch (IOException ignored) {
                // Ignored
            }
        }
    }
}

---

From source file:bmw.assigment.BMWAssigment.java

/**
 * For this reading I used GSON, a library made by google to parse JSON objects
 * In order for this to run propertly, a file employees.json must be in the path /resources/employees.json
 * /*from  www .ja  va2 s  .  c  om*/
 * @return JsonObject
 */
public JsonObject readJsonFile() {

    JsonObject employeeRoot = null;

    try {
        InputStream str = BMWAssigment.class.getResourceAsStream("/resources/employees.json");
        JsonReader reader = new JsonReader(new InputStreamReader(str));
        JsonParser jsonParser = new JsonParser();
        employeeRoot = jsonParser.parse(reader).getAsJsonObject();

        reader.close();
        str.close();

    } catch (IOException ex) {
        Logger.getLogger(BMWAssigment.class.getName()).log(Level.SEVERE, null, ex);
    }

    return employeeRoot;
}

---

From source file:bytehala.flowmortarexample.GsonParceler.java

License:Apache License

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

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

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

---

From source file:ca.mcgill.cs.creco.data.CRDeadlinks.java

License:Apache License

private void tryreadingthejson() throws IOException {
    InputStream in = new FileInputStream(DataPath.get() + "dead_links.json");
    JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
    reader.beginArray();//from ww  w  .ja  v  a2  s  . c o  m
    while (reader.hasNext()) {

    }

    reader.endArray();
    reader.close();
    in.close();
}

---

From source file:ca.mcgill.cs.creco.data.CRDeadlinks.java

License:Apache License

private static void readFile(String pFilePath) throws IOException, InterruptedException {
    InputStream in = new FileInputStream(pFilePath);
    JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
    reader.beginArray();/*from  ww w  .java2s  . co  m*/
    while (reader.hasNext()) {

        ProductStub prodStub = new Gson().fromJson(reader, ProductStub.class);
        writeToFile = writeToFile.concat("{\"product_id\":" + prodStub.id + ",");
        String urltext = prodStub.modelOverviewPageUrl;
        // Write 404 error if no URL exists
        if (urltext == null) {
            writeToFile = writeToFile.concat("\"state\":" + "404" + "},");
            continue;
        }

        Thread.sleep(SLEEP);
        URL url = new URL(urltext);
        // Attempt a connection and see the resulting response code it returns
        int responseCode = ((HttpURLConnection) url.openConnection()).getResponseCode();
        writeToFile = writeToFile.concat("\"state\":" + responseCode + "},");
    }
    reader.endArray();
    reader.close();
    in.close();
}

---

From source file:ca.mcgill.cs.creco.data.json.JsonLoadingService.java

License:Apache License

private static void readFile(String filePath, IDataCollector pCollector) throws IOException {
    InputStream in = new FileInputStream(filePath);
    JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));

    reader.beginArray();/*from  w w w.j a v a2 s .  c o  m*/
    while (reader.hasNext()) {
        ProductStub prodStub = new Gson().fromJson(reader, ProductStub.class);
        pCollector.addProduct(buildProduct(prodStub));

    }
    reader.endArray();
    reader.close();
    in.close();
}

---

From source file:ca.mcgill.cs.creco.data.json.JsonLoadingService.java

License:Apache License

private void readDeadLinks() throws FileNotFoundException, IOException {
    // Try to read the dead links file
    InputStream in;//from   www .  j av a2s .c  o  m
    try {
        in = new FileInputStream(aPath + aDeadLinksFileName);
    } catch (FileNotFoundException e) {
        return;
    }

    // Flag that we were succesful finding the deadlins file, so deadlinks
    // will be checked while building products
    aDoCheckDeadLinks = true;

    // Make a json reader for the deadlinks file
    JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
    reader.beginArray();

    // Iterate over each entry in the deadlinks file, putting a records in a HashTable
    while (reader.hasNext()) {
        LinkResponseStub responseStub = new Gson().fromJson(reader, LinkResponseStub.class);
        aDeadLinks.put(responseStub.product_id, responseStub.state);
    }

    reader.endArray();
    reader.close();
    in.close();
}

---

From source file:cern.c2mon.shared.client.request.ClientRequestImpl.java

License:Open Source License

@Override
public final Collection<T> fromJsonResponse(final String jsonString) throws JsonSyntaxException {
    Type collectionType;/* ww  w .j a va  2 s. c o m*/
    TypeReference jacksonCollectionType;
    JsonReader jsonReader = new JsonReader(new StringReader(jsonString));
    jsonReader.setLenient(true);

    try {
        switch (resultType) {
        case TRANSFER_TAG_LIST:
            jacksonCollectionType = new TypeReference<Collection<TransferTagImpl>>() {
            };
            return TransferTagSerializer.fromCollectionJson(jsonString, jacksonCollectionType);
        case TRANSFER_TAG_VALUE_LIST:
            jacksonCollectionType = new TypeReference<Collection<TransferTagValueImpl>>() {
            };
            return TransferTagSerializer.fromCollectionJson(jsonString, jacksonCollectionType);
        case SUPERVISION_EVENT_LIST:
            collectionType = new TypeToken<Collection<SupervisionEventImpl>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_DAQ_XML:
            collectionType = new TypeToken<Collection<ProcessXmlResponseImpl>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_TAG_CONFIGURATION_LIST:
            collectionType = new TypeToken<Collection<TagConfigImpl>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_CONFIGURATION_REPORT_HEADER:
            collectionType = new TypeToken<Collection<ConfigurationReportHeader>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_CONFIGURATION_REPORT:
            collectionType = new TypeToken<Collection<ConfigurationReport>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_ACTIVE_ALARM_LIST:
            collectionType = new TypeToken<Collection<AlarmValueImpl>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_ALARM_LIST:
            collectionType = new TypeToken<Collection<AlarmValueImpl>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_COMMAND_HANDLES_LIST:
            collectionType = new TypeToken<Collection<CommandTagHandleImpl>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_COMMAND_REPORT:
            collectionType = new TypeToken<Collection<CommandReportImpl>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_PROCESS_NAMES:
            collectionType = new TypeToken<Collection<ProcessNameResponseImpl>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_DEVICE_CLASS_NAMES:
            collectionType = new TypeToken<Collection<DeviceClassNameResponseImpl>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_DEVICE_LIST:
            collectionType = new TypeToken<Collection<TransferDeviceImpl>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        case TRANSFER_TAG_STATISTICS:
            collectionType = new TypeToken<Collection<TagStatisticsResponseImpl>>() {
            }.getType();
            return getGson().fromJson(jsonReader, collectionType);
        default:
            throw new JsonSyntaxException("Unknown result type specified");
        }
    } finally {
        try {
            jsonReader.close();
        } catch (IOException e) {
        }
    }
}

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