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

Introduction

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

Prototype

public JsonReader(Reader in)

Source Link

Document

Creates a new instance that reads a JSON-encoded stream from in .

Usage

From source file:co.cask.cdap.security.store.KeyStoreEntry.java

License:Apache License

/**
 * Deserialize a new metadata object from a byte array.
 *
 * @param buf the serialized metadata//from w  w  w .j a v  a2s  .c  o  m
 */
private static SecureStoreMetadata deserializeMetadata(byte[] buf) throws IOException {
    try (JsonReader reader = new JsonReader(
            new InputStreamReader(new ByteArrayInputStream(buf), Charset.forName("UTF-8")))) {
        return KeyStoreEntry.GSON.fromJson(reader, SecureStoreMetadata.class);
    }
}

From source file:co.cask.cdap.test.internal.MockResponder.java

License:Apache License

public <T> T decodeResponseContent(TypeToken<T> type) {
    JsonReader jsonReader = new JsonReader(
            new InputStreamReader(new ChannelBufferInputStream(content), Charsets.UTF_8));
    return GSON.fromJson(jsonReader, type.getType());
}

From source file:co.mitro.core.servlets.ServerRejectsServlet.java

License:Open Source License

/**
 * Sets the server hints to hintsString, after validation. Throws exceptions if the JSON data
 * is incorrect, although the validation isn't currently extremely careful.
 *///from   w  w w  .j  a v a 2s.c  o m
public static void setServerHintsJson(String hintsString) {
    try {
        // Parse and validate the hints
        // TODO: Unit test this more carefully

        // can't use gson.fromJson() because it always uses lenient parsing; copied from there
        // See https://code.google.com/p/google-gson/issues/detail?id=372
        JsonReader jsonReader = new JsonReader(new StringReader(hintsString));
        TypeAdapter<?> typeAdapter = gson.getAdapter(TypeToken.get(listType));
        @SuppressWarnings("unchecked")
        List<HintEntry> hints = (List<HintEntry>) typeAdapter.read(jsonReader);

        for (HintEntry hint : hints) {
            @SuppressWarnings("unused")
            Pattern regexp = Pattern.compile(hint.regex);

            if (hint.additional_submit_button_ids != null) {
                // optional: just don't include it instead of including an empty list
                assert hint.additional_submit_button_ids.size() > 0;
                for (String submitIds : hint.additional_submit_button_ids) {
                    assert !Strings.isNullOrEmpty(submitIds);
                }
            }

            if (hint.allow_empty_username != null) {
                assert hint.allow_empty_username : "omit allow_empty_username if false";
            }

            if (hint.empty_password_username_selector != null) {
                // TODO: Validate that this is a valid CSS selector?
                assert !hint.empty_password_username_selector
                        .isEmpty() : "omit empty_password_username_selector if there is no selector";
                assert hint.allow_empty_username != null && hint.allow_empty_username
                        .booleanValue() : "allow_empty_username must be true if empty_password_username_selector is present";
            }

            validateRules(hint.reject.login_submit);
            validateRules(hint.reject.submit);
            validateRules(hint.reject.password);
            validateRules(hint.reject.username);
            validateRules(hint.reject.form);
        }
        logger.info("setting {} server hints", hints.size());

        serverHintsJson = hintsString;
    } catch (IOException | IllegalStateException e) {
        // Rethrow the same way as gson.fromJson()
        throw new JsonSyntaxException(e);
    }
}

From source file:co.moonmonkeylabs.flowmortarexampleapp.common.flow.GsonParceler.java

License:Apache License

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

    try {//from  ww w .j  av  a2 s . 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:co.runrightfast.zest.fragments.mixins.json.GsonValueSerialization.java

License:Apache License

@Override
public <T> T deserialize(final Class<?> type, final InputStream in) throws ValueSerializationException {
    try (final JsonReader reader = new JsonReader(new InputStreamReader(in, StandardCharsets.UTF_8))) {
        return gson.fromJson(reader, type);
    } catch (final IOException e) {
        throw new ValueSerializationException(e);
    }//from w w w  .j a  va2s .c  o  m
}

From source file:co.runrightfast.zest.fragments.mixins.json.GsonValueSerialization.java

License:Apache License

@Override
public <T> T deserialize(final ValueType valueType, InputStream in) throws ValueSerializationException {
    try (final JsonReader reader = new JsonReader(new InputStreamReader(in, StandardCharsets.UTF_8))) {
        return gson.fromJson(reader, valueType.mainType());
    } catch (final IOException e) {
        throw new ValueSerializationException(e);
    }/*www  .ja v a2 s. co  m*/
}

From source file:cognition.common.helper.JsonHelper.java

License:Apache License

public List<T> loadFromReader(Reader reader) {
    Gson gson = new Gson();

    BufferedReader bufferedReader;
    bufferedReader = new BufferedReader(reader);
    JsonReader jsonReader = new JsonReader(bufferedReader);
    jsonReader.setLenient(true);/*from w  ww .  j  a va  2  s  . co m*/
    if (!clazz.isArray()) {
        Object data = gson.fromJson(jsonReader, clazz);
        T object = (T) data;
        return Arrays.asList(object);
    }

    Object[] data = gson.fromJson(jsonReader, clazz);
    return Arrays.asList((T[]) data);
}

From source file:com.addthis.hydra.task.source.bundleizer.GsonBundleizer.java

License:Apache License

@Override
public Bundleizer createBundleizer(final InputStream inputArg, final BundleFactory factoryArg) {
    return new Bundleizer() {
        private final BundleFactory factory = factoryArg;
        private final JsonParser parser = new JsonParser();
        private final JsonReader reader = new JsonReader(new BufferedReader(new InputStreamReader(inputArg)));

        {/*from   w  w  w.j  av a 2s .c o m*/
            try {
                reader.beginArray();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }

        @Override
        public Bundle next() throws IOException {
            if (reader.hasNext()) {
                JsonObject nextElement = parser.parse(reader).getAsJsonObject();
                Bundle next = factory.createBundle();
                BundleFormat format = next.getFormat();
                for (Map.Entry<String, JsonElement> entry : nextElement.entrySet()) {
                    next.setValue(format.getField(entry.getKey()), fromGson(entry.getValue()));
                }
                return next;
            } else {
                return null;
            }
        }
    };
}

From source file:com.aliakseipilko.flightdutytracker.utils.AirportCodeConverter.java

License:Open Source License

private void generateAirports() {
    JsonReader jsonReader = new JsonReader(
            new InputStreamReader(ctx.getResources().openRawResource(R.raw.airports)));
    try {/*from  ww  w. j ava  2  s  . com*/
        jsonReader.beginArray();
        while (jsonReader.hasNext()) {
            Airport airport = gson.fromJson(jsonReader, Airport.class);
            if (airport.getIATA() == null) {
                airport.setIATA("");
            }
            if (airport.getICAO() == null) {
                airport.setICAO("");
            }
            airports.add(airport);
        }
        jsonReader.endArray();
        jsonReader.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.aliyun.openservices.odps.console.common.JobDetailInfo.java

License:Apache License

private List<FuxiJob> loadJobsFromStream(InputStream in) throws ODPSConsoleException {
    boolean debug = true;
    ArrayList<FuxiJob> jobs = new ArrayList<FuxiJob>();
    if (debug) {//from   www  . java  2  s.c  o  m
        try {
            JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
            reader.beginObject();
            while (reader.hasNext()) {
                String name = reader.nextName();
                if (name.equals("mapReduce")) {
                    reader.beginObject();
                    while (reader.hasNext()) {
                        String nameInMapReduce = reader.nextName();
                        if (nameInMapReduce.equals("jobs")) {
                            reader.beginArray();
                            while (reader.hasNext()) {
                                jobs.add(getFuxiJobFromJson(reader));
                            }
                            reader.endArray();
                        } else if (nameInMapReduce.equals("jsonSummary")) {
                            getInfoFromJsonSummary(jobs, reader.nextString());
                        } else {
                            reader.skipValue();
                        }
                    }
                    reader.endObject();
                } else {
                    reader.skipValue();
                }
            }
            reader.endObject();
        } catch (IOException e) {
            e.printStackTrace();
            throw new ODPSConsoleException("Bad json format");
        }
    }

    return jobs;
}