Examples with SimpleBindings javax.script.SimpleBindings used on opensource projects

Example 86 with SimpleBindings

use of javax.script.SimpleBindings in project jvarkit by lindenb.

the class UniprotFilterJS method doWork.

@Override
public int doWork(final List<String> args) {
    Unmarshaller unmarshaller;
    Marshaller marshaller;
    try {
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine engine = manager.getEngineByName("js");
        if (engine == null) {
            LOG.error("not available: javascript. Use the SUN/Oracle JDK ?");
            return -1;
        }
        CompiledScript compiledScript = super.compileJavascript(scriptExpr, scriptFile);
        JAXBContext jc = JAXBContext.newInstance("org.uniprot");
        unmarshaller = jc.createUnmarshaller();
        marshaller = jc.createMarshaller();
        XMLInputFactory xmlInputFactory = XMLInputFactory.newFactory();
        xmlInputFactory.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, Boolean.TRUE);
        xmlInputFactory.setProperty(XMLInputFactory.IS_COALESCING, Boolean.TRUE);
        xmlInputFactory.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.TRUE);
        xmlInputFactory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, Boolean.FALSE);
        marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true);
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
        marshaller.setProperty(Marshaller.JAXB_SCHEMA_LOCATION, "http://uniprot.org/uniprot http://www.uniprot.org/support/docs/uniprot.xsd");
        PrintWriter pw = new PrintWriter(System.out);
        XMLOutputFactory xof = XMLOutputFactory.newFactory();
        xof.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.FALSE);
        XMLEventWriter w = xof.createXMLEventWriter(pw);
        StreamSource src = null;
        if (args.isEmpty()) {
            src = new StreamSource(stdin());
        } else if (args.size() == 1) {
            src = new StreamSource(new File(args.get(0)));
        } else {
            LOG.error("illegal.number.of.arguments");
            return -1;
        }
        XMLEventReader r = xmlInputFactory.createXMLEventReader(src);
        XMLEventFactory eventFactory = XMLEventFactory.newFactory();
        SimpleBindings bindings = new SimpleBindings();
        long nArticles = 0L;
        while (r.hasNext()) {
            XMLEvent evt = r.peek();
            switch(evt.getEventType()) {
                case XMLEvent.START_ELEMENT:
                    {
                        StartElement sE = evt.asStartElement();
                        Entry entry = null;
                        JAXBElement<Entry> jaxbElement = null;
                        if (sE.getName().getLocalPart().equals("entry")) {
                            jaxbElement = unmarshaller.unmarshal(r, Entry.class);
                            entry = jaxbElement.getValue();
                        } else {
                            w.add(r.nextEvent());
                            break;
                        }
                        if (entry != null) {
                            bindings.put("entry", entry);
                            bindings.put("index", nArticles++);
                            Object result = compiledScript.eval(bindings);
                            String entryName = "undefined";
                            if (!entry.getAccession().isEmpty())
                                entryName = entry.getAccession().get(0);
                            if (result == null)
                                break;
                            if (result instanceof Boolean) {
                                if (Boolean.FALSE.equals(result)) {
                                    w.add(eventFactory.createComment(" " + entryName + " "));
                                    w.add(eventFactory.createCharacters("\n"));
                                    break;
                                }
                            } else if (result instanceof Number) {
                                if (((Number) result).intValue() != 1) {
                                    w.add(eventFactory.createComment(" " + entryName + " "));
                                    w.add(eventFactory.createCharacters("\n"));
                                    break;
                                }
                            } else {
                                LOG.warning("Script returned something that is not a boolean or a number:" + result.getClass());
                                break;
                            }
                            marshaller.marshal(jaxbElement, w);
                            w.add(eventFactory.createCharacters("\n"));
                        }
                        break;
                    }
                case XMLEvent.SPACE:
                    break;
                default:
                    {
                        w.add(r.nextEvent());
                        break;
                    }
            }
            r.close();
        }
        w.flush();
        w.close();
        pw.flush();
        pw.close();
        return 0;
    } catch (Exception err) {
        LOG.error(err);
        return -1;
    } finally {
    }
}

Example 87 with SimpleBindings

use of javax.script.SimpleBindings in project jvarkit by lindenb.

the class BlastFilterJS method doWork.

@Override
public int doWork(List<String> args) {
    final CompiledScript compiledScript;
    Unmarshaller unmarshaller;
    Marshaller marshaller;
    try {
        compiledScript = super.compileJavascript(scriptExpr, scriptFile);
        JAXBContext jc = JAXBContext.newInstance("gov.nih.nlm.ncbi.blast");
        unmarshaller = jc.createUnmarshaller();
        marshaller = jc.createMarshaller();
        XMLInputFactory xmlInputFactory = XMLInputFactory.newFactory();
        xmlInputFactory.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, Boolean.TRUE);
        xmlInputFactory.setProperty(XMLInputFactory.IS_COALESCING, Boolean.TRUE);
        xmlInputFactory.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.TRUE);
        xmlInputFactory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, Boolean.FALSE);
        marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true);
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
        PrintWriter pw = openFileOrStdoutAsPrintWriter(outputFile);
        XMLOutputFactory xof = XMLOutputFactory.newFactory();
        xof.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.FALSE);
        XMLEventWriter w = xof.createXMLEventWriter(pw);
        final String inputName = oneFileOrNull(args);
        StreamSource src = null;
        if (inputName == null) {
            LOG.info("Reading stdin");
            src = new StreamSource(stdin());
        } else {
            LOG.info("Reading file " + inputName);
            src = new StreamSource(new File(inputName));
        }
        XMLEventReader r = xmlInputFactory.createXMLEventReader(src);
        XMLEventFactory eventFactory = XMLEventFactory.newFactory();
        SimpleBindings bindings = new SimpleBindings();
        while (r.hasNext()) {
            XMLEvent evt = r.peek();
            switch(evt.getEventType()) {
                case XMLEvent.START_ELEMENT:
                    {
                        StartElement sE = evt.asStartElement();
                        Hit hit = null;
                        JAXBElement<Hit> jaxbElement = null;
                        if (sE.getName().getLocalPart().equals("Hit")) {
                            jaxbElement = unmarshaller.unmarshal(r, Hit.class);
                            hit = jaxbElement.getValue();
                        } else {
                            w.add(r.nextEvent());
                            break;
                        }
                        if (hit != null) {
                            bindings.put("hit", hit);
                            boolean accept = super.evalJavaScriptBoolean(compiledScript, bindings);
                            if (accept) {
                                marshaller.marshal(jaxbElement, w);
                                w.add(eventFactory.createCharacters("\n"));
                            }
                        }
                        break;
                    }
                case XMLEvent.SPACE:
                    break;
                default:
                    {
                        w.add(r.nextEvent());
                        break;
                    }
            }
            r.close();
        }
        w.flush();
        w.close();
        pw.flush();
        pw.close();
        return RETURN_OK;
    } catch (Exception err) {
        LOG.error(err);
        return -1;
    } finally {
    }
}

Example 88 with SimpleBindings

use of javax.script.SimpleBindings in project spring-framework by spring-projects.

the class ScriptTemplateView method renderInternal.

@Override
protected Mono<Void> renderInternal(Map<String, Object> model, @Nullable MediaType contentType, ServerWebExchange exchange) {
    return exchange.getResponse().writeWith(Mono.fromCallable(() -> {
        try {
            ScriptEngine engine = getEngine();
            String url = getUrl();
            Assert.state(url != null, "'url' not set");
            String template = getTemplate(url);
            Function<String, String> templateLoader = path -> {
                try {
                    return getTemplate(path);
                } catch (IOException ex) {
                    throw new IllegalStateException(ex);
                }
            };
            Locale locale = LocaleContextHolder.getLocale(exchange.getLocaleContext());
            RenderingContext context = new RenderingContext(obtainApplicationContext(), locale, templateLoader, url);
            Object html;
            if (this.renderFunction == null) {
                SimpleBindings bindings = new SimpleBindings();
                bindings.putAll(model);
                model.put("renderingContext", context);
                html = engine.eval(template, bindings);
            } else if (this.renderObject != null) {
                Object thiz = engine.eval(this.renderObject);
                html = ((Invocable) engine).invokeMethod(thiz, this.renderFunction, template, model, context);
            } else {
                html = ((Invocable) engine).invokeFunction(this.renderFunction, template, model, context);
            }
            byte[] bytes = String.valueOf(html).getBytes(StandardCharsets.UTF_8);
            // just wrapping, no allocation
            return exchange.getResponse().bufferFactory().wrap(bytes);
        } catch (ScriptException ex) {
            throw new IllegalStateException("Failed to render script template", new StandardScriptEvalException(ex));
        } catch (Exception ex) {
            throw new IllegalStateException("Failed to render script template", ex);
        }
    }));
}

Example 89 with SimpleBindings

use of javax.script.SimpleBindings in project serverless by bluenimble.

the class MacroSourceCommand method execute.

@Override
public CommandResult execute(final Tool tool, Map<String, CommandOption> options) throws CommandExecutionException {
    InputStream input = null;
    SimpleBindings bindings = new SimpleBindings();
    String command = (String) tool.currentContext().get(ToolContext.CommandLine);
    if (!Lang.isNullOrEmpty(command)) {
        bindings.put("Command", command);
    }
    bindings.put("Home", BlueNimble.Work);
    bindings.put("Config", BlueNimble.Config);
    bindings.put("Tool", new JsTool(tool));
    bindings.put(JavaClass, new Function<String, Class<?>>() {

        @Override
        public Class<?> apply(String type) {
            try {
                return MacroSourceCommand.class.getClassLoader().loadClass(type);
            } catch (ClassNotFoundException cnfe) {
                throw new RuntimeException(cnfe);
            }
        }
    });
    bindings.put("Vars", tool.getContext(Tool.ROOT_CTX).get(ToolContext.VARS));
    Keys keys = BlueNimble.keys();
    if (keys != null) {
        bindings.put("Keys", keys.json());
    }
    try {
        input = new FileInputStream(script);
        List<InputStream> blocks = new ArrayList<InputStream>();
        blocks.add(new ByteArrayInputStream(Native.getBytes()));
        blocks.add(input);
        Engine.eval(new InputStreamReader(new SequenceInputStream(Collections.enumeration(blocks))), bindings);
    } catch (Exception e) {
        throw new CommandExecutionException(e.getMessage(), e);
    } finally {
        IOUtils.closeQuietly(input);
    }
    return null;
}

Example 90 with SimpleBindings

use of javax.script.SimpleBindings in project java8-tutorial by winterbe.

the class Nashorn11 method test6.

private static void test6() throws ScriptException {
    NashornScriptEngine engine = createEngine();
    ScriptContext defaultContext = engine.getContext();
    defaultContext.getBindings(ScriptContext.GLOBAL_SCOPE).put("foo", "hello");
    ScriptContext customContext = new SimpleScriptContext();
    customContext.setBindings(defaultContext.getBindings(ScriptContext.ENGINE_SCOPE), ScriptContext.ENGINE_SCOPE);
    Bindings bindings = new SimpleBindings();
    bindings.put("foo", "world");
    customContext.setBindings(bindings, ScriptContext.GLOBAL_SCOPE);
    // engine.eval("foo = 23;");                 // overrides foo in all contexts, why???
    // hello
    engine.eval("print(foo)");
    // world
    engine.eval("print(foo)", customContext);
    // hello
    engine.eval("print(foo)", defaultContext);
}