Extracting values from a JSON string

Question

I want to retrieve the different tag values in an NSString.

NSString *test      =  

{
    "data": [
        {
            "id": "100002319144563_125257217561582",
            "from": {
                "name": "Umair Ahmed",
                "id": "100002319144563"
            },
            "message": "Hello Umair Here",
            "actions": [
                {
                    "name": "Comment",
                    "link": "http://www.facebook.com/100002319144563/posts/125257217561582"
                },
                {
                    "name": "Like",
                    "link": "http://www.facebook.com/100002319144563/posts/125257217561582"
                }
            ],
            "privacy": {
                "description": "Everyone",
                "value": "EVERYONE"
            },
            "type": "status",
            "application": {
                "name": "iPhone",
                "id": "213257025359930"
            },
            "created_time": "2011-07-08T11:59:15+0000",
            "updated_time": "2011-07-08T11:59:15+0000"
        },
        {
            "id": "100002319144563_125251050895532",
            "from": {
                "name": "Umair Ahmed",
                "id": "100002319144563"
            },
            "message": "Hello testing testing",
            "actions": [
                {
                    "name": "Comment",
                    "link": "http://www.facebook.com/100002319144563/posts/125251050895532"
                },
                {
                    "name": "Like",
                    "link": "http://www.facebook.com/100002319144563/posts/125251050895532"
                }
            ]
        }
    ]
}

How can I retrieve the name and message tag values into an array or dictionary?

macbirdie · Accepted Answer · 2011-07-10 09:07:09Z

2

It looks like a JSON string, so just use one of JSON libraries, like TouchJSON or JSONKit and you can easily extract the data from the structures they will provide you.

answered Jul 10, 2011 at 9:07

macbirdie

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