How to use evalWith method of com.intuit.karate.graal.JsEngine class

Best Karate code snippet using com.intuit.karate.graal.JsEngine.evalWith

Source:ServerContext.java

...56    private static final String READ = "read";57    private static final String RESOLVER = "resolver";58    private static final String READ_AS_STRING = "readAsString";59    private static final String EVAL = "eval";60    private static final String EVAL_WITH = "evalWith";61    private static final String GET = "get";62    private static final String UUID = "uuid";63    private static final String REMOVE = "remove";64    private static final String SWITCH = "switch";65    private static final String SWITCHED = "switched";66    private static final String AJAX = "ajax";67    private static final String HTTP = "http";68    private static final String RENDER = "render";69    private static final String TRIGGER = "trigger";70    private static final String REDIRECT = "redirect";71    private static final String AFTER_SETTLE = "afterSettle";72    private static final String TO_JSON = "toJson";73    private static final String TO_JSON_PRETTY = "toJsonPretty";74    private static final String FROM_JSON = "fromJson";75    private static final String[] KEYS = new String[]{76        READ, RESOLVER, READ_AS_STRING, EVAL, EVAL_WITH, GET, UUID, REMOVE, SWITCH, SWITCHED, AJAX, HTTP,77        RENDER, TRIGGER, REDIRECT, AFTER_SETTLE, TO_JSON, TO_JSON_PRETTY, FROM_JSON};78    private static final Set<String> KEY_SET = new HashSet(Arrays.asList(KEYS));79    private static final JsArray KEY_ARRAY = new JsArray(KEYS);80    private final ServerConfig config;81    private final Request request;82    private boolean stateless;83    private boolean api;84    private boolean lockNeeded;85    private Session session;86    private boolean switched;87    private List<Map<String, Object>> responseTriggers;88    private List<String> afterSettleScripts;89    private final Map<String, Object> variables;90    public ServerContext(ServerConfig config, Request request) {91        this(config, request, null);92    }93    public ServerContext(ServerConfig config, Request request, Map<String, Object> variables) {94        this.config = config;95        this.request = request;96        this.variables = variables;97        HTTP_FUNCTION = args -> {98            HttpClient client = config.getHttpClientFactory().apply(request);99            HttpRequestBuilder http = new HttpRequestBuilder(client);100            if (args.length > 0) {101                http.url((String) args[0]);102            }103            return http;104        };105        RENDER_FUNCTION = o -> {106            if (o instanceof String) {107                JsEngine je = RequestCycle.get().getEngine();108                return TemplateUtils.renderResourcePath((String) o, je, config.getResourceResolver());109            }110            Map<String, Object> map;111            if (o instanceof Map) {112                map = (Map) o;113            } else {114                logger.warn("invalid argument to render: {}", o);115                return null;116            }117            Map<String, Object> templateVars = (Map) map.get("variables");118            String path = (String) map.get("path");119            if (path != null) {120                JsEngine je;121                if (templateVars == null) {122                    je = RequestCycle.get().getEngine();123                } else {124                    je = JsEngine.local();125                    je.putAll(templateVars);126                }127                return TemplateUtils.renderResourcePath(path, je, config.getResourceResolver());128            }129            String html = (String) map.get("html");130            if (html == null) {131                logger.warn("invalid argument to render, path or html needed: {}", map);132                return null;133            }134            JsEngine je;135            if (templateVars == null) {136                je = RequestCycle.get().getEngine();137            } else {138                je = JsEngine.local();139                je.putAll(templateVars);140            }141            return TemplateUtils.renderHtmlString(html, je, config.getResourceResolver());142        };143    }144    private static final String DOT_JS = ".js";145    public void prepare() {146        String path = request.getPath();147        if (request.getResourceType() == null) {148            request.setResourceType(ResourceType.fromFileExtension(path));149        }150        String resourcePath = request.getResourcePath();151        if (resourcePath == null) {152            if (api) {153                String pathParam = null;154                String jsPath = path + DOT_JS;155                resourcePath = jsPath;156                if (!config.getJsFiles().contains(jsPath)) {157                    List<String> pathParams = new ArrayList();158                    request.setPathParams(pathParams);159                    String temp = path;160                    do {161                        int pos = temp.lastIndexOf('/');162                        if (pos == -1) {163                            logger.debug("failed to extract path params: {} - {}", temp, this);164                            break;165                        }166                        String pp = temp.substring(pos + 1);167                        if (pathParams.isEmpty()) {168                            pathParam = pp;169                        }170                        pathParams.add(pp);171                        jsPath = temp.substring(0, pos) + DOT_JS;172                        temp = temp.substring(0, pos);173                    } while (!config.getJsFiles().contains(jsPath));174                    resourcePath = jsPath;175                }176                request.setPathParam(pathParam);177            } else { // static, note that HTML is resolved differently, by template resolver178                resourcePath = path;179            }180            request.setResourcePath(resourcePath);181        }182    }183    public String getSessionCookieValue() {184        List<String> values = request.getHeaderValues(HttpConstants.HDR_COOKIE);185        if (values == null) {186            return null;187        }188        for (String value : values) {189            Set<Cookie> cookies = ServerCookieDecoder.STRICT.decode(value);190            for (Cookie c : cookies) {191                if (config.getSessionCookieName().equals(c.name())) {192                    return c.value();193                }194            }195        }196        return null;197    }198    public String readAsString(String resource) {199        InputStream is = config.getResourceResolver().resolve(resource).getStream();200        return FileUtils.toString(is);201    }202    public Object read(String resource) {203        String raw = readAsString(resource);204        ResourceType resourceType = ResourceType.fromFileExtension(resource);205        if (resourceType == ResourceType.JS) {206            return eval(raw);207        } else {208            return JsValue.fromString(raw, false, resourceType);209        }210    }211    public Object eval(String source) {212        return RequestCycle.get().getEngine().evalForValue(source);213    }214    public Object evalWith(Object o, String source) {215        Value value = Value.asValue(o);216        return RequestCycle.get().getEngine().evalWith(value, source, true);217    }218    public String toJson(Object o) {219        Value value = Value.asValue(o);220        return new JsValue(value).toJsonOrXmlString(false);221    }222    public String toJsonPretty(Object o) {223        Value value = Value.asValue(o);224        return new JsValue(value).toJsonOrXmlString(true);225    }226    public ServerConfig getConfig() {227        return config;228    }229    public Request getRequest() {230        return request;231    }232    public Map<String, Object> getVariables() {233        return variables;234    }235    public Session getSession() {236        return session;237    }238    public void setSession(Session session) {239        this.session = session;240    }241    public boolean isLockNeeded() {242        return lockNeeded;243    }244    public void setLockNeeded(boolean lockNeeded) {245        this.lockNeeded = lockNeeded;246    }247    public boolean isStateless() {248        return stateless;249    }250    public void setStateless(boolean stateless) {251        this.stateless = stateless;252    }253    public boolean isAjax() {254        return request.isAjax();255    }256    public boolean isApi() {257        return api;258    }259    public void setApi(boolean api) {260        this.api = api;261    }262    public List<String> getAfterSettleScripts() {263        return afterSettleScripts;264    }265    public List<Map<String, Object>> getResponseTriggers() {266        return responseTriggers;267    }268    public void trigger(Map<String, Object> trigger) {269        if (responseTriggers == null) {270            responseTriggers = new ArrayList();271        }272        responseTriggers.add(trigger);273    }274    public void afterSettle(String js) {275        if (afterSettleScripts == null) {276            afterSettleScripts = new ArrayList();277        }278        afterSettleScripts.add(js);279    }280    private final Methods.FunVar GET_FUNCTION = args -> {281        if (args.length == 0 || args[0] == null) {282            return null;283        }284        String name = args[0].toString();285        KarateEngineContext kec = KarateEngineContext.get();286        if (args.length == 1) {287            return kec.getVariable(name);288        }289        if (kec.containsVariable(name)) {290            return kec.getVariable(name);291        } else {292            return args[1];293        }294    };295    296    private static final Supplier<String> UUID_FUNCTION = () -> java.util.UUID.randomUUID().toString();297    private static final Function<String, Object> FROM_JSON_FUNCTION = s -> JsValue.fromString(s, false, null);298    private final Methods.FunVar HTTP_FUNCTION; // set in constructor299    private final Function<Object, String> RENDER_FUNCTION; // set in constructor300    private final Consumer<String> SWITCH_FUNCTION = s -> {301        if (switched) {302            logger.warn("context.switch() can be called only once during a request, ignoring: {}", s);303        } else {304            switched = true;305            RequestCycle.get().setSwitchTemplate(s);306            KarateEngineContext.get().setRedirect(true);307            throw new RedirectException(s);308        }309    };310    private final Consumer<String> REDIRECT_FUNCTION = s -> {311        RequestCycle.get().setRedirectPath(s);312        KarateEngineContext.get().setRedirect(true);313        throw new RedirectException(s);314    };315    private static final BiFunction<Object, Object, Object> REMOVE_FUNCTION = (o, k) -> {316        if (o instanceof Map && k != null) {317            Map in = (Map) o;318            Map out = new HashMap(in);319            Object removed = out.remove(k.toString());320            if (removed == null) {321                logger.warn("nothing removed, key not present: {}", k);322                return o;323            } else {324                return JsValue.fromJava(out);325            }326        } else if (o != null) {327            logger.warn("unable to cast to map: {} - {}", o.getClass(), o);328        }329        return o;330    };331    @Override332    public Object getMember(String key) {333        switch (key) {334            case READ:335                return (Function<String, Object>) this::read;336            case READ_AS_STRING:337                return (Function<String, String>) this::readAsString;338            case EVAL:339                return (Function<String, Object>) this::eval;340            case EVAL_WITH:341                return (BiFunction<Object, String, Object>) this::evalWith;342            case GET:343                return GET_FUNCTION;344            case UUID:345                return UUID_FUNCTION;346            case TO_JSON:347                return (Function<Object, String>) this::toJson;348            case TO_JSON_PRETTY:349                return (Function<Object, String>) this::toJsonPretty;350            case FROM_JSON:351                return FROM_JSON_FUNCTION;352            case REMOVE:353                return REMOVE_FUNCTION;354            case SWITCH:355                return SWITCH_FUNCTION;...

Source:JsEngine.java

...153            args[i] = JsValue.fromJava(args[i]);154        }155        return function.execute(args);156    }157    public Value evalWith(Value value, String src, boolean returnValue) {158        return evalWith(value.getMemberKeys(), value::getMember, src, returnValue);159    }160    public Value evalWith(Map<String, Object> variables, String src, boolean returnValue) {161        return evalWith(variables.keySet(), variables::get, src, returnValue);162    }163    public Value evalWith(Set<String> names, Function<String, Object> getVariable, String src, boolean returnValue) {164        StringBuilder sb = new StringBuilder();165        sb.append("(function(x){ ");166        Map<String, Object> arg = new HashMap(names.size());167        for (String name : names) {168            sb.append("let ").append(name).append(" = x.").append(name).append("; ");169            arg.put(name, getVariable.apply(name));170        }171        if (returnValue) {172            sb.append("return ");173        }174        sb.append(src).append(" })");175        Value function = evalForValue(sb.toString());176        return function.execute(JsValue.fromJava(arg));177    }...

evalWith

Using AI Code Generation

1import com.intuit.karate.graal.JsEngine;2import java.util.Map;3public class 4 {4    public static void main(String[] args) {5        JsEngine engine = new JsEngine();6        Map<String, Object> map = engine.evalWith("var a = 1; var b = 2; var c = a + b; { a: a, b: b, c: c }");7        System.out.println(map);8    }9}10{a=1, b=2, c=3}11import com.intuit.karate.graal.JsEngine;12import java.util.Map;13public class 5 {14    public static void main(String[] args) {15        JsEngine engine = new JsEngine();16        Map<String, Object> map = engine.evalWith("var a = 1; var b = 2; var c = a + b; { a: a, b: b, c: c }", "foo.js");17        System.out.println(map);18    }19}20{a=1, b=2, c=3}21import com.intuit.karate.graal.JsEngine;22import java.util.Map;23public class 6 {24    public static void main(String[] args) {25        JsEngine engine = new JsEngine();26        Map<String, Object> map = engine.evalWith("var a = 1; var b = 2; var c = a + b; { a: a, b: b, c: c }", "foo.js", true);27        System.out.println(map);28    }29}30{a=1, b=2, c=3}31import com.intuit.karate.graal.JsEngine;32import java.util.Map;33public class 7 {34    public static void main(String[] args) {35        JsEngine engine = new JsEngine();36        Map<String, Object> map = engine.evalWith("var a = 1; var b = 2; var c

evalWith

Using AI Code Generation

1import com.intuit.karate.graal.JsEngine;2public class 4 {3    public static void main(String[] args) {4        JsEngine engine = JsEngine.js();5        Object result = engine.evalWith("var a = 1; var b = 2; return a + b;", "file.js");6        System.out.println(result);7    }8}

evalWith

Using AI Code Generation

1JsEngine engine = new JsEngine();2JsValue jsValue = engine.evalWith("var x = 1; var y = 2; x + y;");3System.out.println(jsValue);4JsEngine engine = new JsEngine();5JsValue jsValue = engine.evalWith("var x = 1; var y = 2; x + y;", "myScript.js");6System.out.println(jsValue);7JsEngine engine = new JsEngine();8JsValue jsValue = engine.evalWith("var x = 1; var y = 2; x + y;", "myScript.js", 1);9System.out.println(jsValue);10JsEngine engine = new JsEngine();11JsValue jsValue = engine.evalWith("var x = 1; var y = 2; x + y;", "myScript.js", 1, null);12System.out.println(jsValue);13JsEngine engine = new JsEngine();14JsValue jsValue = engine.evalWith("var x = 1; var y = 2; x + y;", "myScript.js", 1, null, null);15System.out.println(jsValue);

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