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

Example 86 with ScriptEngine

use of javax.script.ScriptEngine in project cas by apereo.

the class ScriptingUtils method executeGroovyScriptEngine.

/**
 * Execute inline groovy script engine.
 *
 * @param <T>       the type parameter
 * @param script    the script
 * @param variables the variables
 * @param clazz     the clazz
 * @return the t
 */
public static <T> T executeGroovyScriptEngine(final String script, final Map<String, Object> variables, final Class<T> clazz) {
    try {
        final ScriptEngine engine = new ScriptEngineManager().getEngineByName("groovy");
        if (engine == null) {
            LOGGER.warn("Script engine is not available for Groovy");
            return null;
        }
        final Bindings binding = new SimpleBindings();
        if (variables != null && !variables.isEmpty()) {
            binding.putAll(variables);
        }
        if (!binding.containsKey("logger")) {
            binding.put("logger", LOGGER);
        }
        final Object result = engine.eval(script, binding);
        if (result != null && !clazz.isAssignableFrom(result.getClass())) {
            throw new ClassCastException("Result [" + result + " is of type " + result.getClass() + " when we were expecting " + clazz);
        }
        return (T) result;
    } catch (final Exception e) {
        LOGGER.error(e.getMessage(), e);
    }
    return null;
}

Example 87 with ScriptEngine

use of javax.script.ScriptEngine in project vcell by virtualcell.

the class ComsolServiceScripting method solve.

@Override
public void solve(VCCModel vccModel, File reportFile, File javaFile, File mphFile) {
    ClassLoader origClassLoader = null;
    File comsolRootDir = VCellConfiguration.getFileProperty(PropertyLoader.comsolRootDir);
    File comsolJarDir = VCellConfiguration.getFileProperty(PropertyLoader.comsolJarDir);
    if (comsolRootDir == null || !comsolRootDir.exists()) {
        throw new RuntimeException("path to COMSOL root directory \"" + comsolRootDir + "\" not found, update preferences (or " + PropertyLoader.comsolRootDir + " in vcell.config)");
    }
    if (comsolJarDir == null || !comsolJarDir.exists()) {
        throw new RuntimeException("path to COMSOL plugin directory \"" + comsolJarDir + "\" not found, update preferences (or " + PropertyLoader.comsolJarDir + " in vcell.config)");
    }
    try {
        origClassLoader = Thread.currentThread().getContextClassLoader();
        System.setProperty("cs.root", comsolRootDir.getAbsolutePath());
        if (comsolClassloader == null) {
            ArrayList<URL> urls = new ArrayList<URL>();
            for (File f : comsolJarDir.listFiles()) {
                if (f.isFile() && f.getName().endsWith(".jar")) {
                    try {
                        urls.add(f.toURI().toURL());
                    } catch (MalformedURLException e) {
                        e.printStackTrace();
                        throw new RuntimeException("failed to get URL for comsol dependency " + f.getAbsolutePath());
                    }
                }
            }
            comsolClassloader = new URLClassLoader(urls.toArray(new URL[0]), ClassLoader.getSystemClassLoader().getParent());
        }
        Thread.currentThread().setContextClassLoader(comsolClassloader);
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine engine = manager.getEngineByName("nashorn");
        File jsFile = new File(javaFile.getParentFile(), javaFile.getName().replace(".java", ".js"));
        run(engine, vccModel, reportFile, javaFile, mphFile, jsFile);
    } catch (Exception e) {
        e.printStackTrace(System.err);
    } finally {
        Thread.currentThread().setContextClassLoader(origClassLoader);
        System.out.println("disconnecting");
        disconnectComsol();
        System.out.println("disconnected");
    }
}

Example 88 with ScriptEngine

use of javax.script.ScriptEngine in project scheduling by ow2-proactive.

the class JavaClassScriptEngineFactoryTest method replication_index.

@Test
public void replication_index() throws Exception {
    ScriptEngineManager mgr = new ScriptEngineManager();
    ScriptEngine engine = mgr.getEngineByName("java");
    StringWriter output = new StringWriter();
    StringWriter error = new StringWriter();
    engine.getContext().setWriter(output);
    engine.getContext().setErrorWriter(new PrintWriter(error));
    VariablesMap variables = new VariablesMap();
    variables.getInheritedMap().put(SchedulerVars.PA_TASK_REPLICATION.toString(), 42);
    engine.getContext().setAttribute("variables", variables, ScriptContext.ENGINE_SCOPE);
    Object result = engine.eval(ReturnReplicationIndex.class.getName());
    assertEquals(42, result);
}

Example 89 with ScriptEngine

use of javax.script.ScriptEngine in project scheduling by ow2-proactive.

the class JavaClassScriptEngineFactoryTest method executable_with_localspace.

@Test
public void executable_with_localspace() throws Exception {
    ScriptEngineManager mgr = new ScriptEngineManager();
    ScriptEngine engine = mgr.getEngineByName("java");
    StringWriter output = new StringWriter();
    StringWriter error = new StringWriter();
    engine.getContext().setWriter(output);
    engine.getContext().setErrorWriter(new PrintWriter(error));
    String localSpacePath = new File(".").getAbsolutePath();
    engine.getContext().setAttribute(SchedulerConstants.DS_SCRATCH_BINDING_NAME, localSpacePath, ScriptContext.ENGINE_SCOPE);
    String result = (String) engine.eval(ReturnLocalSpace.class.getName());
    assertEquals(result, localSpacePath);
}

Example 90 with ScriptEngine

use of javax.script.ScriptEngine in project scheduling by ow2-proactive.

the class AbstractIModeCommand method execute.

@Override
public void execute(ApplicationContext currentContext) throws CLIException {
    currentContext.setProperty(IMODE, true);
    ScriptEngine engine = currentContext.getEngine();
    try {
        // load supported functions
        engine.eval(new InputStreamReader(script()));
    } catch (ScriptException error) {
        throw new CLIException(CLIException.REASON_OTHER, error);
    }
    while (!currentContext.getProperty(TERMINATE, Boolean.TYPE, false)) {
        try {
            String command = readLine(currentContext, "> ");
            if (command == null) {
                // EOF, exit interactive shell
                break;
            }
            engine.eval(command);
        } catch (ScriptException se) {
            handleError(String.format("An error occurred while executing the script:"), se, currentContext);
        }
    }
}