127 lines
3.1 KiB
Java
127 lines
3.1 KiB
Java
package info.nightscout.androidaps.utils;
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import androidx.annotation.Nullable;
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import org.json.JSONException;
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import org.json.JSONObject;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* JSonHelper is a Helper class which contains several methods to safely get data from the ggiven JSONObject.
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*
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* Created by triplem on 04.01.18.
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*/
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public class JsonHelper {
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private static final Logger log = LoggerFactory.getLogger(JsonHelper.class);
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private JsonHelper() {}
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public static Object safeGetObject(JSONObject json, String fieldName, Object defaultValue) {
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Object result = defaultValue;
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if (json != null && json.has(fieldName)) {
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try {
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result = json.get(fieldName);
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} catch (JSONException ignored) {
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}
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}
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return result;
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}
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@Nullable
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public static String safeGetString(JSONObject json, String fieldName) {
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String result = null;
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if (json != null && json.has(fieldName)) {
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try {
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result = json.getString(fieldName);
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} catch (JSONException ignored) {
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}
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}
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return result;
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}
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public static String safeGetString(JSONObject json, String fieldName, String defaultValue) {
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String result = defaultValue;
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if (json != null && json.has(fieldName)) {
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try {
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result = json.getString(fieldName);
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} catch (JSONException ignored) {
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}
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}
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return result;
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}
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public static double safeGetDouble(JSONObject json, String fieldName) {
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double result = 0d;
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if (json != null && json.has(fieldName)) {
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try {
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result = json.getDouble(fieldName);
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} catch (JSONException ignored) {
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}
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}
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return result;
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}
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public static double safeGetDouble(JSONObject json, String fieldName, double defaultValue) {
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double result = defaultValue;
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if (json != null && json.has(fieldName)) {
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try {
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result = json.getDouble(fieldName);
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} catch (JSONException ignored) {
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}
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}
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return result;
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}
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public static int safeGetInt(JSONObject json, String fieldName) {
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int result = 0;
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if (json != null && json.has(fieldName)) {
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try {
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result = json.getInt(fieldName);
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} catch (JSONException ignored) {
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}
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}
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return result;
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}
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public static long safeGetLong(JSONObject json, String fieldName) {
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long result = 0;
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if (json != null && json.has(fieldName)) {
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try {
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result = json.getLong(fieldName);
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} catch (JSONException e) {
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}
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}
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return result;
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}
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public static boolean safeGetBoolean(JSONObject json, String fieldName) {
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boolean result = false;
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if (json != null && json.has(fieldName)) {
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try {
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result = json.getBoolean(fieldName);
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} catch (JSONException e) {
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}
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}
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return result;
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}
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}
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