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

List of usage examples for com.google.gson.stream JsonToken STRING

Introduction

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

Prototype

JsonToken STRING

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Document

A JSON string.

Usage

From source file:bind.JsonTreeReader.java

License:Apache License

@Override
public JsonToken peek() throws IOException {
    if (stack.isEmpty()) {
        return JsonToken.END_DOCUMENT;
    }//  w  w  w  .j a  va 2 s .c o m

    Object o = peekStack();
    if (o instanceof Iterator) {
        Object secondToTop = stack.get(stack.size() - 2);
        boolean isObject = secondToTop instanceof JsonElement && ((JsonElement) secondToTop).isJsonObject();
        Iterator<?> iterator = (Iterator<?>) o;
        if (iterator.hasNext()) {
            if (isObject) {
                return JsonToken.NAME;
            } else {
                stack.add(iterator.next());
                return peek();
            }
        } else {
            return isObject ? JsonToken.END_OBJECT : JsonToken.END_ARRAY;
        }
    } else if (o instanceof JsonElement) {
        JsonElement el = (JsonElement) o;
        if (el.isJsonObject()) {
            return JsonToken.BEGIN_OBJECT;
        } else if (el.isJsonArray()) {
            return JsonToken.BEGIN_ARRAY;
        } else if (el.isJsonPrimitive()) {
            JsonPrimitive primitive = (JsonPrimitive) o;
            if (primitive.isString()) {
                return JsonToken.STRING;
            } else if (primitive.isBoolean()) {
                return JsonToken.BOOLEAN;
            } else if (primitive.isNumber()) {
                return JsonToken.NUMBER;
            } else {
                throw new AssertionError();
            }
        } else if (el.isJsonNull()) {
            return JsonToken.NULL;
        }
        throw new AssertionError();
    } else if (o == SENTINEL_CLOSED) {
        throw new IllegalStateException("JsonReader is closed");
    } else {
        throw new AssertionError();
    }
}

From source file:bind.JsonTreeReader.java

License:Apache License

@Override
public String nextString() throws IOException {
    JsonToken token = peek();/*from   w  ww. j  a v  a2  s  .c o m*/
    if (token != JsonToken.STRING && token != JsonToken.NUMBER) {
        throw new IllegalStateException("Expected " + JsonToken.STRING + " but was " + token);
    }
    return ((JsonPrimitive) popStack()).getAsString();
}

From source file:bind.JsonTreeReader.java

License:Apache License

@Override
public double nextDouble() throws IOException {
    JsonToken token = peek();//  ww w  .j  a  v  a2  s .  c  o m
    if (token != JsonToken.NUMBER && token != JsonToken.STRING) {
        throw new IllegalStateException("Expected " + JsonToken.NUMBER + " but was " + token);
    }
    double result = ((JsonPrimitive) peekStack()).getAsDouble();
    if (!isLenient() && (Double.isNaN(result) || Double.isInfinite(result))) {
        throw new NumberFormatException("JSON forbids NaN and infinities: " + result);
    }
    popStack();
    return result;
}

From source file:bind.JsonTreeReader.java

License:Apache License

@Override
public long nextLong() throws IOException {
    JsonToken token = peek();//from   w w  w. j a  v a 2s  .  com
    if (token != JsonToken.NUMBER && token != JsonToken.STRING) {
        throw new IllegalStateException("Expected " + JsonToken.NUMBER + " but was " + token);
    }
    long result = ((JsonPrimitive) peekStack()).getAsLong();
    popStack();
    return result;
}

From source file:bind.JsonTreeReader.java

License:Apache License

@Override
public int nextInt() throws IOException {
    JsonToken token = peek();/*w  ww  .j  av  a  2  s.  co m*/
    if (token != JsonToken.NUMBER && token != JsonToken.STRING) {
        throw new IllegalStateException("Expected " + JsonToken.NUMBER + " but was " + token);
    }
    int result = ((JsonPrimitive) peekStack()).getAsInt();
    popStack();
    return result;
}

From source file:cc.kave.commons.utils.json.legacy.UsageTypeAdapter.java

License:Open Source License

@Override
public Usage read(JsonReader in) throws IOException {

    if (in.peek() == JsonToken.STRING) {
        String val = in.nextString();
        Asserts.assertEquals("NoUsage", val, "Invalid JSON. Expected 'NoUsage', but found '" + val + "'.");
        return new NoUsage();
    }/*from ww  w  .j  a  va2 s  . c om*/

    Query q = new Query();
    q.setAllCallsites(null);

    in.beginObject();
    while (in.hasNext()) {
        String name = in.nextName();
        if (TYPE.equals(name)) {
            q.setType(CoReTypeName.get(in.nextString()));
        } else if (CLASS_CTX.equals(name)) {
            q.setClassContext(CoReTypeName.get(in.nextString()));
        } else if (METHOD_CTX.equals(name)) {
            q.setMethodContext(CoReMethodName.get(in.nextString()));
        } else if (DEFINITION.equals(name)) {
            q.setDefinition(readDefinition(in));
        } else if (SITES.equals(name)) {
            q.setAllCallsites(readCallSites(in));
        } else {
            // skip value (most likely $type key from .net serialization)
            in.nextString();
        }
    }
    in.endObject();
    return q;
}

From source file:com.cinchapi.concourse.util.Convert.java

License:Apache License

/**
 * Convert the next JSON object in the {@code reader} to a mapping that
 * associates each key with the Java objects that represent the
 * corresponding values./*w w  w  .j  a v  a  2  s .c om*/
 * 
 * <p>
 * This method has the same rules and limitations as
 * {@link #jsonToJava(String)}. It simply uses a {@link JsonReader} to
 * handle reading an array of objects.
 * </p>
 * <p>
 * <strong>This method DOES NOT {@link JsonReader#close()} the
 * {@code reader}.</strong>
 * </p>
 * 
 * @param reader the {@link JsonReader} that contains a stream of JSON
 * @return the JSON data in the form of a {@link Multimap} from keys to
 *         values
 */
private static Multimap<String, Object> jsonToJava(JsonReader reader) {
    Multimap<String, Object> data = HashMultimap.create();
    try {
        reader.beginObject();
        JsonToken peek0;
        while ((peek0 = reader.peek()) != JsonToken.END_OBJECT) {
            String key = reader.nextName();
            peek0 = reader.peek();
            if (peek0 == JsonToken.BEGIN_ARRAY) {
                // If we have an array, add the elements individually. If
                // there are any duplicates in the array, they will be
                // filtered out by virtue of the fact that a HashMultimap
                // does not store dupes.
                reader.beginArray();
                JsonToken peek = reader.peek();
                do {
                    Object value;
                    if (peek == JsonToken.BOOLEAN) {
                        value = reader.nextBoolean();
                    } else if (peek == JsonToken.NUMBER) {
                        value = stringToJava(reader.nextString());
                    } else if (peek == JsonToken.STRING) {
                        String orig = reader.nextString();
                        value = stringToJava(orig);
                        if (orig.isEmpty()) {
                            value = orig;
                        }
                        // If the token looks like a string, it MUST be
                        // converted to a Java string unless it is a
                        // masquerading double or an instance of Thrift
                        // translatable class that has a special string
                        // representation (i.e. Tag, Link)
                        else if (orig.charAt(orig.length() - 1) != 'D'
                                && !CLASSES_WITH_ENCODED_STRING_REPR.contains(value.getClass())) {
                            value = value.toString();
                        }
                    } else if (peek == JsonToken.NULL) {
                        reader.skipValue();
                        continue;
                    } else {
                        throw new JsonParseException("Cannot parse nested object or array within an array");
                    }
                    data.put(key, value);
                } while ((peek = reader.peek()) != JsonToken.END_ARRAY);
                reader.endArray();
            } else {
                Object value;
                if (peek0 == JsonToken.BOOLEAN) {
                    value = reader.nextBoolean();
                } else if (peek0 == JsonToken.NUMBER) {
                    value = stringToJava(reader.nextString());
                } else if (peek0 == JsonToken.STRING) {
                    String orig = reader.nextString();
                    value = stringToJava(orig);
                    if (orig.isEmpty()) {
                        value = orig;
                    }
                    // If the token looks like a string, it MUST be
                    // converted to a Java string unless it is a
                    // masquerading double or an instance of Thrift
                    // translatable class that has a special string
                    // representation (i.e. Tag, Link)
                    else if (orig.charAt(orig.length() - 1) != 'D'
                            && !CLASSES_WITH_ENCODED_STRING_REPR.contains(value.getClass())) {
                        value = value.toString();
                    }
                } else if (peek0 == JsonToken.NULL) {
                    reader.skipValue();
                    continue;
                } else {
                    throw new JsonParseException("Cannot parse nested object to value");
                }
                data.put(key, value);
            }
        }
        reader.endObject();
        return data;
    } catch (IOException | IllegalStateException e) {
        throw new JsonParseException(e.getMessage());
    }
}

From source file:com.flowzr.budget.holo.export.flowzr.FlowzrSyncEngine.java

License:Open Source License

public static <T> int readMessage(JsonReader reader, String tableName, Class<T> clazz, long last_sync_ts)
        throws IOException, JSONException, Exception {
    String n = null;/* w  w  w . j  a  v a  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();
        } else if (peek == JsonToken.STRING) {
            reader.skipValue();
        } else {
            reader.skipValue();
        }
    }
    return i;
}

From source file:com.flowzr.budget.holo.export.flowzr.FlowzrSyncEngine.java

License:Open Source License

public static <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 av a2 s.c om*/
    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) {
                //notifyUser(context.getString(R.string.flowzr_sync_receiving) + " " + tableName + ". " + context.getString(R.string.hint_run_background), (int)(Math.round(j)));
            }
        }
    }
    reader.endArray();
    return i;
}

From source file:com.gd.misc.test.JsonReader.java

License:Apache License

/**
 * Returns the type of the next token without consuming it.
 *///from w  ww  .  j a  va2s .c  o  m
public JsonToken peek() throws IOException {
    int p = peeked;
    if (p == PEEKED_NONE) {
        p = doPeek();
    }

    switch (p) {
    case PEEKED_BEGIN_OBJECT:
        return JsonToken.BEGIN_OBJECT;
    case PEEKED_END_OBJECT:
        return JsonToken.END_OBJECT;
    case PEEKED_BEGIN_ARRAY:
        return JsonToken.BEGIN_ARRAY;
    case PEEKED_END_ARRAY:
        return JsonToken.END_ARRAY;
    case PEEKED_SINGLE_QUOTED_NAME:
    case PEEKED_DOUBLE_QUOTED_NAME:
    case PEEKED_UNQUOTED_NAME:
        return JsonToken.NAME;
    case PEEKED_TRUE:
    case PEEKED_FALSE:
        return JsonToken.BOOLEAN;
    case PEEKED_NULL:
        return JsonToken.NULL;
    case PEEKED_SINGLE_QUOTED:
    case PEEKED_DOUBLE_QUOTED:
    case PEEKED_UNQUOTED:
    case PEEKED_BUFFERED:
        return JsonToken.STRING;
    case PEEKED_LONG:
    case PEEKED_NUMBER:
        return JsonToken.NUMBER;
    case PEEKED_EOF:
        return JsonToken.END_DOCUMENT;
    default:
        throw new AssertionError();
    }
}