Package org.apache.jena.atlas.json

Examples of org.apache.jena.atlas.json.JsonValue

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        throw new ResultSetException("Object key not recognized as valid for an RDF term: "+term) ;
    }
   
    private static String stringOrNull(JsonObject obj, String key)
    {
        JsonValue v = obj.get(key) ;
        if ( v == null ) return null ;
        if ( ! v.isString() )
            throw new ResultSetException("Not a string: key: "+key) ;
        return v.getAsString().value();
       
    }
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        Iterator<JsonValue> iter = array.iterator() ;
       
        for ( ; iter.hasNext() ; )
        {
            BindingMap b = BindingFactory.create() ;
            JsonValue v = iter.next() ;
            if ( ! v.isObject() )
                throw new ResultSetException("Entry in 'bindings' array must be an object {}")  ;
            JsonObject x = v.getAsObject() ;
            Set<String> varNames = x.keys() ;
            for ( String vn : varNames )
            {
                //if ( ! vars.contains(vn) ) {}
                JsonValue vt = x.get(vn) ;
                if ( ! vt.isObject() )
                    throw new ResultSetException("Binding for variable '"+vn+"' is not a JSON object: "+vt)  ;
                Node n = parseOneTerm(vt.getAsObject()) ;
                b.add(Var.alloc(vn), n) ;
            }
            rows.add(b) ;
        }
    }
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        JsonArray a = obj.get(kVars).getAsArray() ;
        Iterator<JsonValue> iter = a.iterator() ;
        List<Var> vars = new ArrayList<>() ;
        for ( ; iter.hasNext() ; )
        {
            JsonValue v = iter.next() ;
            if ( ! v.isString() )
                throw new ResultSetException("Entries in vars array must be strings") ;
            Var var = Var.alloc(v.getAsString().value()) ;
            vars.add(var) ;
        }
        return vars ;
    }
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        throw new ResultSetException("Object key not recognized as valid for an RDF term: "+term) ;
    }
   
    private static String stringOrNull(JsonObject obj, String key)
    {
        JsonValue v = obj.get(key) ;
        if ( v == null ) return null ;
        if ( ! v.isString() )
            throw new ResultSetException("Not a string: key: "+key) ;
        return v.getAsString().value();
       
    }
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    @Test public void js_write_str_11() { test("\u2001", "\"\\u2001\"") ; }
   
   
    private static void test(String str, String expected)
    {
        JsonValue v = new JsonString(str) ;
        str = v.toString() ;
        assertEquals(expected, str) ;
    }
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        assertEquals(expected, str) ;
    }
   
    private static void test(String str)
    {
        JsonValue v = new JsonString(str) ;
        writeRead(v) ;
    }
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public class LibJsonTest
{
    /** Round trip string->json->string->json, compare two JOSN steps */
    public static void read(String string)
    {
        JsonValue v = JSON.parseAny(string) ;
        writeRead(v) ;
    }
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    }

    /** Read-compare */
    public static void read(String string, JsonValue expected)
    {
        JsonValue v = JSON.parseAny(string) ;
        assertEquals(expected, v) ;
    }
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    /** Round trip json->string->json */
    public static void writeRead(JsonValue v)
    {
        String str2 = v.toString();
        JsonValue v2 = JSON.parseAny(str2) ;
        assertEquals(v, v2) ;
    }
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        Iterator<JsonValue> iter = array.iterator() ;
       
        for ( ; iter.hasNext() ; )
        {
            BindingMap b = BindingFactory.create() ;
            JsonValue v = iter.next() ;
            if ( ! v.isObject() )
                throw new ResultSetException("Entry in 'bindings' array must be an object {}")  ;
            JsonObject x = v.getAsObject() ;
            Set<String> varNames = x.keys() ;
            for ( String vn : varNames )
            {
                if ( ! vars.contains(vn) )
                    ; // Warning
                JsonValue vt = x.get(vn) ;
                if ( ! vt.isObject() )
                    throw new ResultSetException("Binding for variable '"+vn+"' is not a JSON object: "+vt)  ;
                Node n = parseOneTerm(vt.getAsObject()) ;
                b.add(Var.alloc(vn), n) ;
            }
            rows.add(b) ;
        }
    }
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Related Classes of org.apache.jena.atlas.json.JsonValue

  • com.hp.hpl.jena.sparql.resultset.JSONInput
  • org.apache.jena.atlas.io.IndentedLineBuffer
  • org.apache.jena.atlas.json.io.JsonWriter
  • org.apache.jena.atlas.json.LibJsonTest
  • org.apache.jena.atlas.json.TestJsonWriter
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