jsonparser.js

$rdf.jsonParser = function() {

    return {
        parseJSON: function( data, source, store ) {
            var subject, predicate, object;
            var bnodes = {};
            var why = store.sym(source);
            for (x in data) {
                if( x.indexOf( "_:") === 0 ) {
                    if( bnodes[x] ) {
                        subject = bnodes[x];
                    } else {
                        subject = store.bnode(x);
                        bnodes[x]=subject;
                    }
                } else {
                    subject = store.sym(x);
                }
                var preds = data[x];
                for (y in preds) {
                    var objects = preds[y];
                    predicate = store.sym(y);
                    for( z in objects ) {
                        var obj = objects[z];
                        if( obj.type === "uri" ) {
                            object = store.sym(obj.value);
                            store.add( subject, predicate, object, why );                            
                        } else if( obj.type === "bnode" ) {
                            if( bnodes[obj.value] ) {
                                object = bnodes[obj.value];
                            } else {
                                object = store.bnode(obj.value);
                                bnodes[obj.value] = object;
                            }
                            store.add( subject, predicate, object, why );
                        } else if( obj.type === "literal" ) {
                            var datatype;
                            if( obj.datatype ) {
                                object = store.literal(obj.value, undefined, store.sym(obj.datatype));
                            } else if ( obj.lang ) {
                                object = store.literal(obj.value, obj.lang);                                
                            } else {
                                object = store.literal(obj.value);
                            }
                            store.add( subject, predicate, object, why );
                        } else {
                            throw "error: unexpected termtype: "+z.type;
                        }
                    }
                }
            }
        }
    }
}();