Example usage for javax.script SimpleBindings SimpleBindings

Introduction

In this page you can find the example usage for javax.script SimpleBindings SimpleBindings.

Prototype

public SimpleBindings()

Source Link

Document

Default constructor uses a HashMap .

Usage

From source file:org.jahia.services.render.scripting.bundle.BundleScriptEngineManager.java

private BundleScriptEngineManager() {
    this.globalScopeBindings = new SimpleBindings();
}

From source file:org.apache.tinkerpop.gremlin.groovy.engine.ScriptEnginesTest.java

@Test
public void shouldMergeBindingsWhereLocalOverridesGlobal() throws Exception {
    final ScriptEngines engines = new ScriptEngines(se -> {
    });/*from   w  ww . j  av a  2  s.c  om*/
    engines.reload("gremlin-groovy", Collections.<String>emptySet(), Collections.<String>emptySet(),
            Collections.emptyMap());

    engines.loadPlugins(Arrays.asList(new GremlinPlugin() {
        @Override
        public String getName() {
            return "mock";
        }

        @Override
        public void pluginTo(final PluginAcceptor pluginAcceptor)
                throws IllegalEnvironmentException, PluginInitializationException {
            pluginAcceptor.addBinding("y", "here");
        }
    }));

    // the "y" below should override the global variable setting.
    final Bindings localBindings = new SimpleBindings();
    localBindings.put("y", "there");
    localBindings.put("z", "where");

    assertEquals("therewhere", engines.eval("y+z", localBindings, "gremlin-groovy"));
}

From source file:org.jahia.modules.macros.filter.MacrosFilter.java

private Bindings getBindings(RenderContext renderContext, Resource resource, ScriptContext scriptContext,
        Matcher matcher) {//from  w w w.ja  v a  2s . c  o  m
    Bindings bindings = new SimpleBindings();
    bindings.put("currentUser", renderContext.getUser());
    bindings.put("currentNode", resource.getNode());
    bindings.put("currentResource", resource);
    bindings.put("renderContext", renderContext);
    bindings.put("url", new URLGenerator(renderContext, resource));
    String group = matcher.group(3);
    if (group != null) {
        int i = 1;
        for (String s : StringUtils.split(group, ",")) {
            bindings.put("param" + (i++), s);
        }
    }
    try {
        bindings.put("currentAliasUser",
                renderContext.getMainResource().getNode().getSession().getAliasedUser());
    } catch (RepositoryException e) {
        logger.error(e.getMessage(), e);
    }
    return bindings;
}

From source file:org.apache.tinkerpop.gremlin.groovy.jsr223.GremlinGroovyScriptEngineTest.java

@Test
public void shouldEvalWithBindings() throws Exception {
    final GremlinGroovyScriptEngine engine = new GremlinGroovyScriptEngine();
    final Bindings b = new SimpleBindings();
    b.put("x", 2);
    assertEquals(3, engine.eval("1+x", b));
}

From source file:Engine.Lua.PlayerLua.java

public void tester(String luaFile) {
    Dog dog = new Dog("Rex");
    Cat cat = new Cat("Felix");
    ScriptEngineManager sem = new ScriptEngineManager();
    ScriptEngine scriptEngine = sem.getEngineByName("luaj");
    ClassLoader classloader = Thread.currentThread().getContextClassLoader();
    InputStream is = classloader.getResourceAsStream("Scripts/" + luaFile);
    InputStreamReader isr = new InputStreamReader(is);
    CompiledScript script;//from  ww w . java2 s  .c om
    try {
        script = ((Compilable) scriptEngine).compile(isr);
        isr.close();
        is.close();
        Bindings sb = new SimpleBindings();
        script.eval(sb); // Put the Lua functions into the sb environment
        LuaValue luaDog = CoerceJavaToLua.coerce(dog); // Java to Lua
        //CoerceLuaToJava()
        LuaFunction onTalk = (LuaFunction) sb.get("onTalk"); // Get Lua function
        LuaValue b = onTalk.call(luaDog); // Call the function
        System.out.println("onTalk answered: " + b);
        LuaFunction onWalk = (LuaFunction) sb.get("onWalk");
        LuaValue[] dogs = { luaDog };
        Varargs dist = onWalk.invoke(LuaValue.varargsOf(dogs)); // Alternative

        System.out.println("onWalk returned: " + dist);

        Dog retunredDog = (Dog) CoerceLuaToJava.coerce(luaDog, Dog.class);
        System.out.println("AAAAAAAAAa:" + retunredDog.name);
    } catch (ScriptException ex) {
        Logger.getLogger(PlayerLua.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(PlayerLua.class.getName()).log(Level.SEVERE, null, ex);
    }

}

From source file:org.apache.tinkerpop.gremlin.groovy.engine.GremlinExecutorTest.java

@Test
public void shouldEvalScriptWithBindings() throws Exception {
    final GremlinExecutor gremlinExecutor = GremlinExecutor.build().create();
    final Bindings b = new SimpleBindings();
    b.put("x", 1);
    assertEquals(2, gremlinExecutor.eval("1+x", b).get());
    gremlinExecutor.close();/*from  w w w  .  j a va 2s  .c  om*/
}

From source file:com.netflix.genie.web.services.loadbalancers.script.ScriptLoadBalancer.java

/**
 * {@inheritDoc}//from  w ww .ja  v a  2s. c  o  m
 */
@Override
public Cluster selectCluster(@Nonnull @NonNull @NotEmpty final Set<Cluster> clusters,
        @Nonnull @NonNull final JobRequest jobRequest) throws GenieException {
    final long selectStart = System.nanoTime();
    log.debug("Called");
    final Set<Tag> tags = Sets.newHashSet();
    try {
        if (this.isConfigured.get() && this.script.get() != null) {
            log.debug("Evaluating script for job {}", jobRequest.getId().orElse("without id"));
            final Bindings bindings = new SimpleBindings();
            // TODO: For now for backwards compatibility with balancer scripts continue writing Clusters out in
            //       V3 format. Change to V4 once stabalize a bit more
            bindings.put(CLUSTERS_BINDING, this.mapper.writeValueAsString(
                    clusters.stream().map(DtoConverters::toV3Cluster).collect(Collectors.toSet())));
            bindings.put(JOB_REQUEST_BINDING, this.mapper.writeValueAsString(jobRequest));

            // Run as callable and timeout after the configured timeout length
            final String clusterId = this.asyncTaskExecutor
                    .submit(() -> (String) this.script.get().eval(bindings))
                    .get(this.timeoutLength.get(), TimeUnit.MILLISECONDS);

            // Find the cluster if not null
            if (clusterId != null) {
                for (final Cluster cluster : clusters) {
                    if (clusterId.equals(cluster.getId())) {
                        tags.add(Tag.of(MetricsConstants.TagKeys.STATUS, STATUS_TAG_FOUND));
                        return cluster;
                    }
                }
            }
            log.warn("Script returned a cluster not in the input list: {}", clusterId);
        } else {
            log.debug("Script returned null");
            tags.add(Tag.of(MetricsConstants.TagKeys.STATUS, STATUS_TAG_NOT_CONFIGURED));
            return null;
        }

        tags.add(Tag.of(MetricsConstants.TagKeys.STATUS, STATUS_TAG_NOT_FOUND));
        // Defer to any subsequent load balancer in the chain
        return null;
    } catch (final Exception e) {
        tags.add(Tag.of(MetricsConstants.TagKeys.STATUS, STATUS_TAG_FAILED));
        tags.add(Tag.of(MetricsConstants.TagKeys.EXCEPTION_CLASS, e.getClass().getCanonicalName()));
        log.error("Unable to execute script due to {}", e.getMessage(), e);
        return null;
    } finally {
        this.registry.timer(SELECT_TIMER_NAME, tags).record(System.nanoTime() - selectStart,
                TimeUnit.NANOSECONDS);
    }
}

From source file:org.apache.tinkerpop.gremlin.groovy.jsr223.GremlinGroovyScriptEngineTest.java

@Test
public void shouldEvalWithNullInBindings() throws Exception {
    final GremlinGroovyScriptEngine engine = new GremlinGroovyScriptEngine();
    final Bindings b = new SimpleBindings();
    b.put("x", null);
    assertNull(engine.eval("x", b));
}

From source file:com.tussle.script.StackedBindings.java

public void push() {
    bindingStack.push(new SimpleBindings());
}

From source file:org.apache.tinkerpop.gremlin.groovy.engine.GremlinExecutor.java

/**
 * Evaluate a script with empty bindings.
 *//*from   www  .j  a v a  2  s .  c o m*/
public CompletableFuture<Object> eval(final String script) {
    return eval(script, null, new SimpleBindings());
}