Working with JSON Arrays

Question

http://pastie.org/8269975 . If you look at my code, i don't know how to access the individual fields like account_id, hero_id, and etc. I have this code.

JSONObject match = getMatchDetails("281699681");

if i want to access those individual fields like account_id, then this code is not working.

int a = match.result.players[0].account_id;

please help me and if you want to look at the JSON script, here's the link https://api.steampowered.com/IDOTA2Match_570/GetMatchDetails/V001/?match_id=281699681&key=8F48DE9EBF9C9EA121A6A9EF2E30B7C7

Rajesh · Accepted Answer · 2013-08-26 04:52:22Z

1

JSON uses JavaScript Objects, not Java objects and hence you cannot directly access members as if they were Java objects. You need something like GSON to convert between JSON representation and Java object representation.

answered Aug 26, 2013 at 4:52

Rajesh

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Comments

Biraj Zalavadia · Accepted Answer · 2013-08-26 04:49:55Z

0

Try This method to iterate any json object dynamically.

private void parseJson(JSONObject data) {

        if (data != null) {
            Iterator<String> it = data.keys();
            while (it.hasNext()) {
                String key = it.next();

                try {
                    if (data.get(key) instanceof JSONArray) {
                        JSONArray arry = data.getJSONArray(key);
                        int size = arry.length();
                        for (int i = 0; i < size; i++) {
                            parseJson(arry.getJSONObject(i));
                        }
                    } else if (data.get(key) instanceof JSONObject) {
                        parseJson(data.getJSONObject(key));
                    } else {
                        System.out.println("" + key + " : " + data.optString(key));
                    }
                } catch (Throwable e) {
                    System.out.println("" + key + " : " + data.optString(key));
                    e.printStackTrace();

                }
            }
        }
    }

answered Aug 26, 2013 at 4:49

Biraj Zalavadia

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3 Comments

Miguel Remulta Over a year ago

err, i do not get it sir. will that parseJson() function will give me the individual fields of the player[0] object ?

Biraj Zalavadia Over a year ago

had you try this function? it will print all keys and value.

Miguel Remulta Over a year ago

uhm sir, i need to know the individual values, because i will associate it to some pictures and other media.

Kavin · Accepted Answer · 2013-08-26 05:19:47Z

0

First of all, try replacing the line,

    String MatchDetailsURL = "https://api.steampowered.com/IDOTA2Match_570/GetMatchDetails/V001/?match_id"+ matchID + "=&key=" + SteamWebAPIKey;

with,

    String MatchDetailsURL = "https://api.steampowered.com/IDOTA2Match_570/GetMatchDetails/V001/?match_id="+ matchID + "&key=" + SteamWebAPIKey;

in your code and try.

Bcs, instead of giving match_id="+ matchID + "&key you have given match_id"+ matchID + "=&key..So, the URL itself is wrong and it returns a bad request..

answered Aug 26, 2013 at 5:19

Kavin

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1 Comment

Miguel Remulta Over a year ago

it helped me, but it doesn't answer my question

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