Java JsonElement.isJsonNull方法代码示例

import com.google.gson.JsonElement; //导入方法依赖的package包/类
private static JsonObject getClientJsonSetting(String client, Context context) {

        Log.i("LiQueryBuilder", "Reading client settings from configurations");

        String settingJsonStr = LiSDKManager.getInstance().getFromSecuredPreferences(context, LI_DEFAULT_SDK_SETTINGS);
        JsonObject clientSettings = getDefault(client);
        JsonObject serverSettingJson = null;
        if (settingJsonStr != null && !settingJsonStr.isEmpty()) {
            JsonElement jsonElement = new JsonParser().parse(settingJsonStr);
            if (!jsonElement.isJsonNull() && jsonElement.isJsonObject()) {
                serverSettingJson = jsonElement.getAsJsonObject();
            }
        }

        overrideDefaultSettings(clientSettings, serverSettingJson);
        return clientSettings;
    }
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
private ConfigurationParam makeConfigParam(String key, JsonElement value) {
    if (value.isJsonNull()) {
        throw new NullPointerException("value for key '" + key + "' is null!");
    }
    ConfigurationParam param = new ConfigurationParam();
    param.setKey(key);
    String valueStr;
    if (value.isJsonPrimitive() && value.getAsJsonPrimitive().isString()) {
        // toString would return the string with quotes around it which we don't want
        valueStr = value.getAsString();
    } else {
        valueStr = value.toString();
    }
    param.setValue(valueStr);
    return param;
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
private void put(JsonElement value) {
    if (this.pendingName != null) {
        if (!value.isJsonNull() || getSerializeNulls()) {
            ((JsonObject) peek()).add(this.pendingName, value);
        }
        this.pendingName = null;
    } else if (this.stack.isEmpty()) {
        this.product = value;
    } else {
        JsonElement element = peek();
        if (element instanceof JsonArray) {
            ((JsonArray) element).add(value);
            return;
        }
        throw new IllegalStateException();
    }
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
private String keyToString(JsonElement keyElement) {
    if (keyElement.isJsonPrimitive()) {
        JsonPrimitive primitive = keyElement.getAsJsonPrimitive();
        if (primitive.isNumber()) {
            return String.valueOf(primitive.getAsNumber());
        }
        if (primitive.isBoolean()) {
            return Boolean.toString(primitive.getAsBoolean());
        }
        if (primitive.isString()) {
            return primitive.getAsString();
        }
        throw new AssertionError();
    } else if (keyElement.isJsonNull()) {
        return "null";
    } else {
        throw new AssertionError();
    }
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
@Override
@Nullable
public Object unwrapElement(JsonElement element) {
    if (element.isJsonNull()) {
        return null;
    } else if (element.isJsonArray()) {
        return unwrapArray(element.getAsJsonArray());
    } else if (element.isJsonObject()) {
        return unwrapObject(element.getAsJsonObject());
    } else if (element.isJsonPrimitive()) {
        return unwarpPrimitive(element.getAsJsonPrimitive());
    } else {
        throw new IllegalArgumentException("Unknown element type: " + element);
    }
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
@Override
public DataPoint getDataPoint(long timestamp, JsonElement json)
{
	long value = 0L;
	if (!json.isJsonNull())
		value = json.getAsLong();
	return new LongDataPoint(timestamp, value);
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
private static void encodeCanonicalElement(JsonElement el, JsonWriterUnchecked writer) {
    try {
        if (el.isJsonObject()) encodeCanonical(el.getAsJsonObject(), writer);
        else if (el.isJsonPrimitive()) writer.jsonValue(el.toString());
        else if (el.isJsonArray()) encodeCanonicalArray(el.getAsJsonArray(), writer);
        else if (el.isJsonNull()) writer.nullValue();
        else throw new JsonCanonicalException("Unexpected JSON type, this is a bug, report!");
    } catch (IOException e) {
        throw new JsonCanonicalException(e);
    }
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
/**
 * 
 * @param path
 * @return
 */
public Double getDouble(String path, Double defaultVal) {
	JsonElement jsonElt = getLastJsonEltInPath(path);

	if (jsonElt == null || jsonElt.isJsonNull()) {
		return defaultVal;
	} else {
		return jsonElt.getAsDouble();
	}
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
public boolean isResponseSuccess(JsonElement jsonElement) {
    if (!jsonElement.isJsonNull()) {
        if (jsonElement.isJsonObject()) {
            JsonObject json = jsonElement.getAsJsonObject();
            //{"errors": ["Username is missing", "Password cannot be blank"]}
            return !json.has("errors");
        } else {
            return true;
        }
    } else {
        return false;
    }
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
private static void getSvgPath(JsonElement path, StringBuilder d) {
	if (path != null && !path.isJsonNull()) {
		if (path.isJsonArray()) {
			Iterator<JsonElement> linesIt = path.getAsJsonArray().iterator();
			while (linesIt.hasNext()) {
				if (d.length() > 0) {
					d.append(" ");
				}
				getSvgPath(linesIt.next(), d);
			}
		} else {
			d.append(path.getAsString());
		}
	}
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
/**
 * 
 * @param path
 * @return
 */
public Boolean getBoolean(String path, Boolean defaultVal) {
	JsonElement jsonElt = getLastJsonEltInPath(path);

	if (jsonElt == null || jsonElt.isJsonNull()) {
		return defaultVal;
	} else {
		return jsonElt.getAsBoolean();
	}
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
/**
 * 
 * @param path
 * @return
 */
public BigInteger getBigInteger(String path, BigInteger defaultVal) {
	JsonElement jsonElt = getLastJsonEltInPath(path);

	if (jsonElt == null || jsonElt.isJsonNull()) {
		return defaultVal;
	} else {
		return jsonElt.getAsBigInteger();
	}
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
@Override
public TimeZone deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
    return json.isJsonNull() ? null : TimeZone.getTimeZone(json.getAsJsonPrimitive().getAsString());
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
static JsonArray getJsonArrayOrNull(JsonElement jsonElement)
{
    return jsonElement != null && !jsonElement.isJsonNull() ? jsonElement.getAsJsonArray() : null;
}
 

import com.google.gson.JsonElement; //导入方法依赖的package包/类
public static String getStringOrNull(JsonElement jsonElement)
{
    return jsonElement.isJsonNull() ? null : jsonElement.getAsString();
}