JSONUtils.java example

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umt-master
/*
 * Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
 * 
 * This file is part of Duckling project.
 *
 * 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 cn.vlabs.umt.oauth.common.utils;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;

/**
 *
 *
 *
 */
public final class JSONUtils {
	private JSONUtils(){}
    public static String buildJSON(Map<String, Object> params) throws JSONException {
        JSONObject jsonObject = new JSONObject();
        for (Map.Entry<String, Object> param : params.entrySet()) {
            if (param.getKey() != null && !"".equals(param.getKey()) && param.getValue() != null && !""
                .equals(param.getValue())) {
                jsonObject.put(param.getKey(), param.getValue());
            }
        }

        return jsonObject.toString();
    }

    public static Map<String, Object> parseJSON(String jsonBody) throws JSONException {

        Map<String, Object> params = new HashMap<String, Object>();
        JSONObject obj = new JSONObject(jsonBody);
        Iterator it = obj.keys();
        while (it.hasNext()) {
            Object o = it.next();
            if (o instanceof String) {
                String key = (String)o;
                params.put(key, obj.get(key));
            }
        }
        return params;
    }

}