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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2011-2013 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU 
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You 
 * may not use this file except in compliance with the License.  You can 
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
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 * and therefore, elected the GPL Version 2 license, then the option applies
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 */
package org.glassfish.admin.rest.client.utils;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import org.glassfish.api.logging.LogHelper;

/**
 *
 * @author jdlee
 */
public class Util {
    
    public static Map processJsonMap(String json) {
        Map map;
        try {
            map = processJsonObject(new JSONObject(json));
        } catch (JSONException e) {
            map = new HashMap();
        }
        return map;
    }

    public static Map processJsonObject(JSONObject jo) {
        Map map = new HashMap();
        try {
            Iterator i = jo.keys();
            while (i.hasNext()) {
                String key = (String) i.next();
                Object value = jo.get(key);
                if (value instanceof JSONArray) {
                    map.put(key, processJsonArray((JSONArray) value));
                } else if (value instanceof JSONObject) {
                    map.put(key, processJsonObject((JSONObject) value));
                } else {
                    map.put(key, value);
                }
            }
        } catch (JSONException e) {
            LogHelper.log(RestClientLogging.logger, Level.SEVERE, RestClientLogging.REST_CLIENT_JSON_ERROR, e);
        }

        return map;
    }

    public static List processJsonArray(JSONArray ja) {
        List results = new ArrayList();

        try {
            for (int i = 0; i < ja.length(); i++) {
                Object entry = ja.get(i);
                if (entry instanceof JSONArray) {
                    results.add(processJsonArray((JSONArray) entry));
                } else if (entry instanceof JSONObject) {
                    results.add(processJsonObject((JSONObject) entry));
                } else {
                    results.add(entry);
                }
            }
        } catch (JSONException e) {
            LogHelper.log(RestClientLogging.logger, Level.SEVERE, RestClientLogging.REST_CLIENT_JSON_ERROR, e);
        }

        return results;
    }

}