/*
 * Ext - JS Library 1.0 Alpha 1
 * Copyright(c) 2006-2007, Jack Slocum.
 * 
 * http://www.extjs.com/license.txt
 */


Ext.data.DominoJsonReader = function( meta, recordType){
    Ext.data.DominoJsonReader.superclass.constructor.call(this, meta, recordType);
};

Ext.extend(Ext.data.DominoJsonReader, Ext.data.DataReader, {
    read : function(response){
        var json = response.responseText;
        var o = eval("("+json+")");
        if(!o) {
            throw {message: "DominoJsonReader.read: Json object not found"};
        }
        return this.readEntries(o);
    },
    
    readEntries : function(o){
     this.jsonData = o;
	
	var recordType = this.recordType, fields = recordType.prototype.fields;
	
    	var totalRecords = 0;

            var v = parseInt(o["@toplevelentries"], 10);
            if(!isNaN(v)){
                totalRecords = v;
            }

        var records = [];
    		var root = o.viewentry;    	

	    for(var i = 0; i < root.length; i++){
		    var n = root[i];
	        var values = {};
	        var id = (n["@unid"] !== undefined && n["@unid"] !== "" ? n["@unid"] : null);
			
	        for(var j = 0, jlen = fields.length; j < jlen; j++){
				var f = fields.items[j];	
				
	            var v = n.entrydata[f.mapping].text[0] !== undefined ? n.entrydata[f.mapping].text[0] : f.defaultValue;
			  v = f.convert(v);
			  values[f.name] = v;
	        }
	        var record = new recordType(values, id);
	        record.json = n;
	        records[records.length] = record;
	    }
	    return {
	        records : records,
	        totalRecords : totalRecords || records.length
	    };
    }
});