Example usage for com.google.gson.stream JsonToken BEGIN_OBJECT

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JsonToken BEGIN_OBJECT

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Document

The opening of a JSON object.

Usage

From source file:org.lanternpowered.server.data.persistence.json.JsonDataFormat.java

License:MIT License

private static void readView(JsonReader reader, DataView view) throws IOException {
    reader.beginObject();//from  www .java  2 s.c  o m
    while (reader.hasNext()) {
        DataQuery key = DataQuery.of(reader.nextName());

        if (reader.peek() == JsonToken.BEGIN_OBJECT) {
            // Check this early so we don't need to copy the view
            readView(reader, view.createView(key));
        } else {
            view.set(key, read0(reader));
        }
    }
    reader.endObject();
}

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From source file:org.mythdroid.services.GuideService.java

License:Open Source License

/**
 * Get ProgramGuide data/*from   www .  jav  a2  s. c o m*/
 * @param start Date for start of data
 * @param end Date for end of data
 * @return ArrayList of Channels
 */
public ArrayList<Channel> GetProgramGuide(Date start, Date end) throws IOException {

    final Params params = new Params();
    params.put("StartTime", Globals.utcFormat(start)); //$NON-NLS-1$
    params.put("EndTime", Globals.utcFormat(end)); //$NON-NLS-1$
    params.put("StartChanId", 0); //$NON-NLS-1$
    params.put("NumChannels", -1); //$NON-NLS-1$
    params.put("Details", "true"); //$NON-NLS-1$ //$NON-NLS-2$

    InputStream is = jc.GetStream("GetProgramGuide", params); //$NON-NLS-1$
    JsonReader jreader = new JsonReader(new BufferedReader(new InputStreamReader(is, "UTF-8")) //$NON-NLS-1$
    );

    ArrayList<Channel> channels = new ArrayList<Channel>();

    jreader.beginObject();
    skipTo(jreader, JsonToken.BEGIN_OBJECT);
    jreader.beginObject();
    skipTo(jreader, JsonToken.NAME);
    while (jreader.hasNext()) {
        String name = jreader.nextName();
        if (name.equals("NumOfChannels")) { //$NON-NLS-1$
            channels.ensureCapacity(jreader.nextInt());
            break;
        }
        jreader.skipValue();
    }
    skipTo(jreader, JsonToken.BEGIN_ARRAY);
    jreader.beginArray();
    while (jreader.hasNext()) {
        jreader.beginObject();
        channels.add((Channel) gson.fromJson(jreader, Channel.class));
        jreader.endObject();
    }
    jreader.endArray();
    jreader.endObject();
    jreader.endObject();
    jreader.close();
    jc.endStream();

    return channels;

}

---

From source file:org.mythdroid.services.VideoService.java

License:Open Source License

/**
 * Get a list of videos / directories in a given subdirectory
 * @param subdir the desired subdirectory or "ROOT" for the top-level
 * @return an ArrayList of Videos/* w w w  . j  a  v  a  2  s  .co  m*/
 */
public ArrayList<Video> getVideos(String subdir) throws IOException {

    ArrayList<Video> videos = new ArrayList<Video>(128);

    InputStream is = jc.GetStream("GetVideoList", null); //$NON-NLS-1$

    if (is == null)
        return null;

    JsonReader jreader = new JsonReader(new BufferedReader(new InputStreamReader(is, "UTF-8")) //$NON-NLS-1$
    );

    Video vid;
    final ArrayList<String> subdirs = new ArrayList<String>(16);

    jreader.beginObject();
    skipTo(jreader, JsonToken.BEGIN_OBJECT);
    jreader.beginObject();
    skipTo(jreader, JsonToken.BEGIN_ARRAY);
    jreader.beginArray();
    while (jreader.hasNext()) {
        jreader.beginObject();
        vid = gson.fromJson(jreader, Video.class);
        jreader.endObject();

        if (!subdir.equals("ROOT") && !vid.filename.startsWith(subdir)) //$NON-NLS-1$
            continue;

        String name = vid.filename;

        if (!subdir.equals("ROOT")) //$NON-NLS-1$
            name = vid.filename.substring(subdir.length() + 1);

        int slash;
        if ((slash = name.indexOf('/')) > 0) {
            String dir = name.substring(0, slash);
            if (!subdirs.contains(dir))
                subdirs.add(dir);
        } else
            videos.add(vid);
    }
    jreader.endArray();
    jreader.endObject();
    jreader.endObject();
    jreader.close();
    jc.endStream();

    for (String name : subdirs) {
        try {
            videos.add(new Video("-1 DIRECTORY " + name)); //$NON-NLS-1$
        } catch (IllegalArgumentException e) {
            ErrUtil.logWarn(e);
        }
    }

    videos.trimToSize();

    return videos;

}

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From source file:org.translator.java.AppInventorProperties.java

License:Apache License

protected AppInventorProperties(JsonReader reader) throws IOException {
    reader.beginObject();// ww  w. ja  v a  2  s  .c om

    while (reader.peek() == JsonToken.NAME) {
        String name = reader.nextName();
        if (name.equals("$Components")) {
            reader.beginArray();

            while (reader.peek() == JsonToken.BEGIN_OBJECT)
                components.add(new AppInventorProperties(reader));

            reader.endArray();
        } else {
            String n = reader.nextString();
            if (n.matches("True|False"))
                n = n.toLowerCase();
            properties.put(name, n);
        }
    }

    reader.endObject();
}

---

From source file:org.ttrssreader.net.JSONConnector.java

License:Open Source License

private String readResult(Map<String, String> params, boolean login, boolean retry) throws IOException {
    InputStream in = doRequest(params);
    if (in == null)
        return null;

    JsonReader reader = null;/*from ww w . ja v  a  2s  . c  om*/
    String ret = "";
    try {
        reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
        // Check if content contains array or object, array indicates login-response or error, object is content

        reader.beginObject();
        while (reader.hasNext()) {
            String name = reader.nextName();
            if (!name.equals("content")) {
                reader.skipValue();
                continue;
            }

            JsonToken t = reader.peek();
            if (!t.equals(JsonToken.BEGIN_OBJECT))
                continue;

            JsonObject object = new JsonObject();
            reader.beginObject();
            while (reader.hasNext()) {
                object.addProperty(reader.nextName(), reader.nextString());
            }
            reader.endObject();

            if (object.get(SESSION_ID) != null) {
                ret = object.get(SESSION_ID).getAsString();
            }
            if (object.get(STATUS) != null) {
                ret = object.get(STATUS).getAsString();
            }
            if (this.apiLevel == -1 && object.get(API_LEVEL) != null) {
                this.apiLevel = object.get(API_LEVEL).getAsInt();
            }
            if (object.get(VALUE) != null) {
                ret = object.get(VALUE).getAsString();
            }
            if (object.get(ERROR) != null) {
                String message = object.get(ERROR).getAsString();
                Context ctx = MyApplication.context();

                switch (message) {
                case API_DISABLED:
                    lastError = ctx.getString(R.string.Error_ApiDisabled, Controller.getInstance().username());
                    break;
                case NOT_LOGGED_IN:
                case LOGIN_ERROR:
                    if (!login && retry && login())
                        return readResult(params, false, false); // Just do the same request again
                    else
                        lastError = ctx.getString(R.string.Error_LoginFailed);
                    break;
                case INCORRECT_USAGE:
                    lastError = ctx.getString(R.string.Error_ApiIncorrectUsage);
                    break;
                case UNKNOWN_METHOD:
                    lastError = ctx.getString(R.string.Error_ApiUnknownMethod);
                    break;
                default:
                    lastError = ctx.getString(R.string.Error_ApiUnknownError);
                    break;
                }

                hasLastError = true;
                Log.e(TAG, message);
                return null;
            }

        }
    } finally {
        if (reader != null)
            reader.close();
    }
    if (ret.startsWith("\""))
        ret = ret.substring(1, ret.length());
    if (ret.endsWith("\""))
        ret = ret.substring(0, ret.length() - 1);

    return ret;
}

---

From source file:org.ttrssreader.net.JSONConnector.java

License:Open Source License

private JsonReader prepareReader(Map<String, String> params, boolean firstCall) throws IOException {
    InputStream in = doRequest(params);
    if (in == null)
        return null;
    JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));

    // Check if content contains array or object, array indicates login-response or error, object is content
    try {/*  w w w  . jav  a2  s  .c om*/
        reader.beginObject();
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
    while (reader.hasNext()) {
        String name = reader.nextName();
        if (name.equals("content")) {
            JsonToken t = reader.peek();

            if (t.equals(JsonToken.BEGIN_ARRAY)) {
                return reader;
            } else if (t.equals(JsonToken.BEGIN_OBJECT)) {

                JsonObject object = new JsonObject();
                reader.beginObject();

                String nextName = reader.nextName();
                // We have a BEGIN_OBJECT here but its just the response to call "subscribeToFeed"
                if ("status".equals(nextName))
                    return reader;

                // Handle error
                while (reader.hasNext()) {
                    if (nextName != null) {
                        object.addProperty(nextName, reader.nextString());
                        nextName = null;
                    } else {
                        object.addProperty(reader.nextName(), reader.nextString());
                    }
                }
                reader.endObject();

                if (object.get(ERROR) != null) {
                    String message = object.get(ERROR).toString();

                    if (message.contains(NOT_LOGGED_IN)) {
                        lastError = NOT_LOGGED_IN;
                        if (firstCall && login() && !hasLastError)
                            return prepareReader(params, false); // Just do the same request again
                        else
                            return null;
                    }

                    if (message.contains(API_DISABLED)) {
                        hasLastError = true;
                        lastError = MyApplication.context().getString(R.string.Error_ApiDisabled,
                                Controller.getInstance().username());
                        return null;
                    }

                    // Any other error
                    hasLastError = true;
                    lastError = message;
                }
            }

        } else {
            reader.skipValue();
        }
    }
    return null;
}

---

From source file:org.wso2.carbon.governance.rest.api.internal.JSONMessageBodyReader.java

License:Open Source License

/**
 * Traverses through a json object and maps the keys and values to a {@link Map}
 *
 * @param reader        {@link JsonReader}
 * @param map           map that the values to be added.
 * @param token         {@link JsonToken}
 * @param isArray       whether the object is inside a json array
 * @throws IOException  If unable to parse the json object
 *//*ww  w.j  a  va2s . com*/
protected void handleObject(JsonReader reader, Map<String, Object> map, JsonToken token, boolean isArray)
        throws IOException {
    String key = null;
    while (true) {
        if (token == null) {
            token = reader.peek();
        }

        if (JsonToken.BEGIN_OBJECT.equals(token)) {
            reader.beginObject();

        } else if (JsonToken.END_OBJECT.equals(token)) {
            reader.endObject();

        } else if (JsonToken.NAME.equals(token)) {
            key = reader.nextName();

        } else if (JsonToken.STRING.equals(token)) {
            String value = reader.nextString();
            handleValue(key, value, map, isArray);
            key = null;

        } else if (JsonToken.NUMBER.equals(token)) {
            Double value = reader.nextDouble();
            handleValue(key, value, map, isArray);
            key = null;

        } else if (token.equals(JsonToken.BEGIN_ARRAY)) {
            Map<String, Object> values = handleArray(reader);
            if (key != null) {
                map.put(key, values);
            }

        } else {
            reader.skipValue();
        }

        if (reader.hasNext()) {
            token = reader.peek();
        } else {
            break;
        }
    }
}

---

From source file:pl.softech.gw.json.TaskGsonTypeAdapter.java

License:Apache License

@Override
public ITask read(JsonReader reader) throws IOException {
    if (reader.peek() == JsonToken.NULL) {
        reader.nextNull();/* w w  w. j a  va 2  s. c om*/
        return null;
    }

    reader.beginObject();

    TaskInstanceCreator instanceCreator = new TaskInstanceCreator();
    while (reader.peek() != JsonToken.END_OBJECT) {

        String name = reader.nextName();
        Object value;
        if (reader.peek() == JsonToken.BEGIN_OBJECT && !name.equals("module")) {
            value = read(reader);
        } else {
            if (name.equals("module")) {
                value = gson.getAdapter(ProjectModule.class).read(reader);
            } else {
                value = reader.nextString();
            }
        }

        if (name.equals("class")) {
            instanceCreator.className = value.toString();
        } else {
            instanceCreator.params.put(name, new Param(name, value));
        }

    }

    reader.endObject();
    return instanceCreator.create();
}

---

From source file:ru.orangesoftware.financisto2.export.flowzr.FlowzrSyncEngine.java

License:Open Source License

public <T> int readMessage(JsonReader reader, String tableName, Class<T> clazz, long last_sync_ts)
        throws IOException, JSONException, Exception {
    String n = null;// w  ww .  j ava  2 s  .c om
    int i = 0;
    while (reader.hasNext()) {
        JsonToken peek = reader.peek();
        String v = null;
        if (peek == JsonToken.BEGIN_OBJECT) {
            reader.beginObject();
        } else if (peek == JsonToken.NAME) {
            n = reader.nextName();
        } else if (peek == JsonToken.BEGIN_ARRAY) {
            if (n.equals(tableName)) {
                i = readJsnArr(reader, tableName, clazz);

            } else {
                if (n.equals("params")) {
                    reader.beginArray();
                    if (reader.hasNext()) {
                        reader.beginObject();
                        if (reader.hasNext()) {
                            n = reader.nextName();
                            v = reader.nextString();
                        }
                        reader.endObject();
                    }
                    reader.endArray();
                } else {
                    reader.skipValue();
                }
            }
        } else if (peek == JsonToken.END_OBJECT) {
            reader.endObject();
        } else if (peek == JsonToken.END_ARRAY) {
            reader.endArray();
        }
    }
    return i;
}

---

From source file:ru.orangesoftware.financisto2.export.flowzr.FlowzrSyncEngine.java

License:Open Source License

public <T> int readJsnArr(JsonReader reader, String tableName, Class<T> clazz)
        throws IOException, JSONException, Exception {
    JSONObject o = new JSONObject();
    JsonToken peek = reader.peek();/*from  ww w.j ava2s .  c  o  m*/
    String n = null;
    reader.beginArray();
    int j = 0;
    int i = 0;
    while (reader.hasNext()) {
        peek = reader.peek();
        if (reader.peek() == JsonToken.BEGIN_OBJECT) {
            reader.beginObject();
        } else if (reader.peek() == JsonToken.END_OBJECT) {
            reader.endObject();
        }
        o = new JSONObject();
        while (reader.hasNext()) {
            peek = reader.peek();
            if (peek == JsonToken.NAME) {
                n = reader.nextName();
            } else if (peek == JsonToken.BEGIN_OBJECT) {
                reader.beginObject();
            } else if (peek == JsonToken.END_OBJECT) {
                reader.endObject();
            } else if (peek == JsonToken.BOOLEAN) {
                try {
                    o.put(n, reader.nextBoolean());
                } catch (JSONException e) {

                    e.printStackTrace();
                }
            } else if (peek == JsonToken.STRING) {
                try {
                    o.put(n, reader.nextString());

                } catch (JSONException e) {

                    e.printStackTrace();
                }
            } else if (peek == JsonToken.NUMBER) {
                try {
                    o.put(n, reader.nextDouble());

                } catch (JSONException e) {

                    e.printStackTrace();
                }
            }
        }
        reader.endObject();
        if (o.has("key")) {
            i = i + 1;
            j = j + 1;
            if (j % 100 == 0) {
                j = 2;
            }
            saveEntityFromJson(o, tableName, clazz, i);
            if (i % 10 == 0) {
                flowzrSyncActivity.notifyUser(
                        flowzrSyncActivity.getString(R.string.flowzr_sync_receiving) + " " + tableName + ". "
                                + flowzrSyncActivity.getString(R.string.hint_run_background),
                        (int) (Math.round(j)));
            }
        }
    }
    reader.endArray();
    return i;
}

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