Package org.apache.jena.atlas.json

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

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        return this ;
    }
   
    private void parse(InputStream in)
    {
        JsonObject obj = JSON.parse(in) ;
       
        if ( obj.hasKey(kBoolean) )
        {
            checkContains(obj, true, true, kHead, kBoolean) ;
            booleanResult = obj.get(kBoolean).getAsBoolean().value() ;
            rows = null ;
            return ;
        }
       
        rows = new ArrayList<Binding>(1000) ;
       
        checkContains(obj, true, true, kHead, kResults) ;
       
        // process head
        if ( ! obj.get(kHead).isObject() )
            throw new ResultSetException("Key 'head' must have a JSON object as value: found: "+obj.get(kHead)) ;
        JsonObject head = obj.get(kHead).getAsObject() ;
       
        // ---- Head
        // -- Link - array.
        if ( head.hasKey(kLink) )
        {
            List<String> links = new ArrayList<String>() ;

            if ( head.get(kLink).isString() )
            {
                Log.warn(this, "Link field is a string, should be an array of strings") ;
                links.add(head.get(kLink).getAsString().value()) ;
            }
            else
            {
                if ( ! head.get(kLink).isArray() )
                    throw new ResultSetException("Key 'link' must have be an array: found: "+obj.get(kLink)) ;

                for ( JsonValue v : head.get(kLink).getAsArray() )
                {
                    if ( ! v.isString() )
                        throw new ResultSetException("Key 'link' must have be an array of strings: found: "+v) ;
                    links.add(v.getAsString().value()) ;
                }
            }
        }
        // -- Vars
        vars = parseVars(head) ;

        // ---- Results
        JsonObject results = obj.get(kResults).getAsObject() ;
        if ( ! results.get(kBindings).isArray() )
            throw new ResultSetException("'bindings' must be an array") ;
        JsonArray array = results.get(kBindings).getAsArray() ;
        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) ;
            }
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        return this ;
    }
   
    private void parse(InputStream in)
    {
        JsonObject obj = JSON.parse(in) ;
       
        if ( obj.hasKey(kBoolean) )
        {
            checkContains(obj, kHead, kBoolean) ;
            booleanResult = obj.get(kBoolean).getAsBoolean().value() ;
            rows = null ;
            return ;
        }
       
        rows = new ArrayList<Binding>(1000) ;
       
        checkContains(obj, kHead, kResults) ;

        if ( ! obj.hasKey(kHead) )    throw new ResultSetException("No 'head' for results") ;
        if ( ! obj.hasKey(kResults) ) throw new ResultSetException("No 'results' for results") ;
       
        // process head
        if ( ! obj.get(kHead).isObject() )
            throw new ResultSetException("Key 'head' must have a JSON object as value: found: "+obj.get(kHead)) ;
        JsonObject head = obj.get(kHead).getAsObject() ;
       
        // ---- Head
        // -- Link - array.
        if ( head.hasKey(kLink) )
        {
            List<String> links = new ArrayList<String>() ;

            if ( head.get(kLink).isString() )
            {
                Log.warn(this, "Link field is a string, should be an array of strings") ;
                links.add(head.get(kLink).getAsString().value()) ;
            }
            else
            {
                if ( ! head.get(kLink).isArray() )
                    throw new ResultSetException("Key 'link' must have be an array: found: "+obj.get(kLink)) ;

                for ( JsonValue v : head.get(kLink).getAsArray() )
                {
                    if ( ! v.isString() )
                        throw new ResultSetException("Key 'link' must have be an array of strings: found: "+v) ;
                    links.add(v.getAsString().value()) ;
                }
            }
        }
        // -- Vars
        vars = parseVars(head) ;

        // ---- Results
        JsonObject results = obj.get(kResults).getAsObject() ;
        if ( ! results.get(kBindings).isArray() )
            throw new ResultSetException("'bindings' must be an array") ;
        JsonArray array = results.get(kBindings).getAsArray() ;
        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) ;
            }
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        return this ;
    }
   
    private void parse(InputStream in)
    {
        JsonObject obj = JSON.parse(in) ;
       
        if ( obj.hasKey(kBoolean) )
        {
            checkContains(obj, kHead, kBoolean) ;
            booleanResult = obj.get(kBoolean).getAsBoolean().value() ;
            rows = null ;
            return ;
        }
       
        rows = new ArrayList<Binding>(1000) ;
       
        checkContains(obj, kHead, kResults) ;

        if ( ! obj.hasKey(kHead) )    throw new ResultSetException("No 'head' for results") ;
        if ( ! obj.hasKey(kResults) ) throw new ResultSetException("No 'results' for results") ;
       
        // process head
        if ( ! obj.get(kHead).isObject() )
            throw new ResultSetException("Key 'head' must have a JSON object as value: found: "+obj.get(kHead)) ;
        JsonObject head = obj.get(kHead).getAsObject() ;
       
        // ---- Head
        // -- Link - array.
        if ( head.hasKey(kLink) )
        {
            List<String> links = new ArrayList<String>() ;

            if ( head.get(kLink).isString() )
            {
                Log.warn(this, "Link field is a string, should be an array of strings") ;
                links.add(head.get(kLink).getAsString().value()) ;
            }
            else
            {
                if ( ! head.get(kLink).isArray() )
                    throw new ResultSetException("Key 'link' must have be an array: found: "+obj.get(kLink)) ;

                for ( JsonValue v : head.get(kLink).getAsArray() )
                {
                    if ( ! v.isString() )
                        throw new ResultSetException("Key 'link' must have be an array of strings: found: "+v) ;
                    links.add(v.getAsString().value()) ;
                }
            }
        }
        // -- Vars
        vars = parseVars(head) ;

        // ---- Results
        JsonObject results = obj.get(kResults).getAsObject() ;
        if ( ! results.get(kBindings).isArray() )
            throw new ResultSetException("'bindings' must be an array") ;
        JsonArray array = results.get(kBindings).getAsArray() ;
        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) ;
            }
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        return this ;
    }
   
    private void parse(InputStream in)
    {
        JsonObject obj = JSON.parse(in) ;
       
        if ( obj.hasKey(kBoolean) )
        {
            checkContains(obj, true, true, kHead, kBoolean) ;
            booleanResult = obj.get(kBoolean).getAsBoolean().value() ;
            rows = null ;
            return ;
        }
       
        rows = new ArrayList<>(1000) ;
       
        checkContains(obj, true, true, kHead, kResults) ;
       
        // process head
        if ( ! obj.get(kHead).isObject() )
            throw new ResultSetException("Key 'head' must have a JSON object as value: found: "+obj.get(kHead)) ;
        JsonObject head = obj.get(kHead).getAsObject() ;
       
        // ---- Head
        // -- Link - array.
        if ( head.hasKey(kLink) )
        {
            List<String> links = new ArrayList<>() ;

            if ( head.get(kLink).isString() )
            {
                Log.warn(this, "Link field is a string, should be an array of strings") ;
                links.add(head.get(kLink).getAsString().value()) ;
            }
            else
            {
                if ( ! head.get(kLink).isArray() )
                    throw new ResultSetException("Key 'link' must have be an array: found: "+obj.get(kLink)) ;

                for ( JsonValue v : head.get(kLink).getAsArray() )
                {
                    if ( ! v.isString() )
                        throw new ResultSetException("Key 'link' must have be an array of strings: found: "+v) ;
                    links.add(v.getAsString().value()) ;
                }
            }
        }
        // -- Vars
        vars = parseVars(head) ;

        // ---- Results
        JsonObject results = obj.get(kResults).getAsObject() ;
        if ( ! results.get(kBindings).isArray() )
            throw new ResultSetException("'bindings' must be an array") ;
        JsonArray array = results.get(kBindings).getAsArray() ;
        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) ;
            }
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         *       "ds1": { counters... }
         *       GSP stucture?
         *        
         */
       
        JsonObject obj = new JsonObject() ;
        JsonObject datasets = new JsonObject() ;
        JsonObject server = new JsonObject() ;
        server.put("host", req.getLocalName()+":"+req.getLocalPort()) ;
       
        for ( String ds : DatasetRegistry.get().keys() )
            statsJSON(datasets, ds) ;
       
        obj.put("server", server) ;
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        out.flush() ;
    }
   
    private void statsJSON(JsonObject datasets, String ds) {
        DatasetRef desc = DatasetRegistry.get().get(ds) ;
        JsonObject stats = new JsonObject() ;
        datasets.put(ds, stats) ;
        stats.put(CounterName.Requests.name(),      desc.getCounters().value(CounterName.Requests)) ;
        stats.put(CounterName.RequestsGood.name(),  desc.getCounters().value(CounterName.RequestsGood)) ;
        stats.put(CounterName.RequestsBad.name(),   desc.getCounters().value(CounterName.RequestsBad)) ;
        JsonObject services = new JsonObject() ;

//        JsonArray endpoints = new JsonArray() ;
//        services.put("endpoints", endpoints) ;
//        JsonArray srvNames = new JsonArray() ;
//        services.put("names", srvNames) ;
       
        // There can be several endpoints for one service.
        for ( ServiceRef srvRef : desc.getServiceRefs() ) {
            JsonObject epStats = new JsonObject() ;
            statsJSON(epStats, srvRef) ;
            services.put(srvRef.name, epStats) ;
            JsonArray endpoints = new JsonArray() ;
            epStats.put("endpoints", endpoints) ;
            for ( String ep : srvRef.endpoints) {
                endpoints.add(ep) ;
            }
        }
        stats.put("services", services) ;
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        read("\"\"\"abc\"\"\"", new JsonString("abc")) ;
    }
   
    @Test public void js_map_ext_1()
    {
        JsonObject obj = new JsonObject() ;
        obj.put("abc", JsonNumber.value(123)) ;
        writeRead(obj) ;
        // Use of key.
        read("{abc: 123}", obj) ;
    }
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        return this ;
    }
   
    private void parse(InputStream in)
    {
        JsonObject obj = JSON.parse(in) ;
       
        if ( obj.hasKey(kBoolean) )
        {
            checkContains(obj, kHead, kBoolean) ;
            booleanResult = obj.get(kBoolean).getAsBoolean().value() ;
            rows = null ;
            return ;
        }
       
        rows = new ArrayList<Binding>(1000) ;
       
        checkContains(obj, kHead, kResults) ;

        if ( ! obj.hasKey(kHead) )    throw new ResultSetException("No 'head' for results") ;
        if ( ! obj.hasKey(kResults) ) throw new ResultSetException("No 'results' for results") ;
       
        // process head
        if ( ! obj.get(kHead).isObject() )
            throw new ResultSetException("Key 'head' must have a JSON object as value: found: "+obj.get(kHead)) ;
        JsonObject head = obj.get(kHead).getAsObject() ;
       
        // ---- Head
        // -- Link - array.
        if ( head.hasKey(kLink) )
        {
            List<String> links = new ArrayList<String>() ;

            if ( head.get(kLink).isString() )
            {
                Log.warn(this, "Link field is a string, should be an array of strings") ;
                links.add(head.get(kLink).getAsString().value()) ;
            }
            else
            {
                if ( ! head.get(kLink).isArray() )
                    throw new ResultSetException("Key 'link' must have be an array: found: "+obj.get(kLink)) ;

                for ( JsonValue v : head.get(kLink).getAsArray() )
                {
                    if ( ! v.isString() )
                        throw new ResultSetException("Key 'link' must have be an array of strings: found: "+v) ;
                    links.add(v.getAsString().value()) ;
                }
            }
        }
        // -- Vars
        vars = parseVars(head) ;

        // ---- Results
        JsonObject results = obj.get(kResults).getAsObject() ;
        if ( ! results.get(kBindings).isArray() )
            throw new ResultSetException("'bindings' must be an array") ;
        JsonArray array = results.get(kBindings).getAsArray() ;
        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) ;
            }
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Related Classes of org.apache.jena.atlas.json.JsonObject

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  • org.apache.jena.atlas.json.TestJsonExt
  • org.apache.jena.fuseki.mgt.StatsServlet
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