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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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