com.hadoopz.MyDroidLib.json.MyJSONObject Maven / Gradle / Ivy

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/*
 * Copyright 2018 jw362j.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hadoopz.MyDroidLib.json;

import org.json.JSONException;
import org.json.JSONObject;

/**
 *
 * @author jw362j
 */
public class MyJSONObject extends JSONObject {

    public String getSafeString(String key) {
        if (key == null || "".equals(key)) {
            return null;
        }
        if (!has(key)) {
            return null;
        }
        try {
            return getString(key);
        } catch (JSONException ex) {
            return null;
        }
    }
}