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

Example 31 with SimpleBindings

use of javax.script.SimpleBindings 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 32 with SimpleBindings

use of javax.script.SimpleBindings in project tomee by apache.

the class TomEEEmbeddedMojo method scriptCustomization.

private void scriptCustomization(final List<String> customizers, final String ext, final String base) {
    if (customizers == null || customizers.isEmpty()) {
        return;
    }
    final ScriptEngine engine = new ScriptEngineManager().getEngineByExtension(ext);
    if (engine == null) {
        throw new IllegalStateException("No engine for " + ext + ". Maybe add the JSR223 implementation as plugin dependency.");
    }
    for (final String js : customizers) {
        try {
            final SimpleBindings bindings = new SimpleBindings();
            bindings.put("catalinaBase", base);
            engine.eval(new StringReader(js), bindings);
        } catch (final ScriptException e) {
            throw new IllegalStateException(e.getMessage(), e);
        }
    }
}

Example 33 with SimpleBindings

use of javax.script.SimpleBindings in project tomee by apache.

the class AbstractTomEEMojo method scriptCustomization.

private void scriptCustomization(final List<String> customizers, final String ext) throws MojoExecutionException {
    if (customizers != null) {
        final ScriptEngine engine = new ScriptEngineManager().getEngineByExtension(ext);
        if (engine == null) {
            throw new IllegalStateException("No engine for " + ext + ". Maybe add the JSR223 implementation as plugin dependency.");
        }
        for (final String js : customizers) {
            try {
                final SimpleBindings bindings = new SimpleBindings();
                bindings.put("catalinaBase", catalinaBase.getAbsolutePath());
                bindings.put("resolver", new Resolver() {

                    @Override
                    public File resolve(final String group, final String artifact, final String version, final String classifier, final String type) {
                        try {
                            return AbstractTomEEMojo.this.resolve(group, artifact, version, classifier, type).resolved;
                        } catch (final ArtifactResolutionException | ArtifactNotFoundException e) {
                            throw new IllegalArgumentException(e);
                        }
                    }

                    @Override
                    public File resolve(final String group, final String artifact, final String version) {
                        try {
                            return AbstractTomEEMojo.this.resolve(group, artifact, version, null, "jar").resolved;
                        } catch (final ArtifactResolutionException | ArtifactNotFoundException e) {
                            throw new IllegalArgumentException(e);
                        }
                    }

                    @Override
                    public File resolve(final String group, final String artifact, final String version, final String type) {
                        try {
                            return AbstractTomEEMojo.this.resolve(group, artifact, version, null, type).resolved;
                        } catch (final ArtifactResolutionException | ArtifactNotFoundException e) {
                            throw new IllegalArgumentException(e);
                        }
                    }
                });
                engine.eval(new StringReader(js), bindings);
            } catch (final ScriptException e) {
                throw new MojoExecutionException(e.getMessage(), e);
            }
        }
    }
}

Example 34 with SimpleBindings

use of javax.script.SimpleBindings in project opennms by OpenNMS.

the class GraphMLScriptVertexStatusProvider method getStatusForVertices.

@Override
public Map<? extends VertexRef, ? extends Status> getStatusForVertices(final VertexProvider vertexProvider, final Collection<VertexRef> vertices, final Criteria[] criteria) {
    // All vertices for the current vertexProvider
    final List<GraphMLVertex> graphMLVertices = vertices.stream().filter(eachVertex -> contributesTo(eachVertex.getNamespace()) && eachVertex instanceof GraphMLVertex).map(eachVertex -> (GraphMLVertex) eachVertex).collect(Collectors.toList());
    // Alarm summary for each node id
    final Map<Integer, AlarmSummary> nodeIdToAlarmSummaryMap = alarmSummaryWrapper.getAlarmSummaries(Lists.transform(graphMLVertices, AbstractVertex::getNodeID)).stream().collect(Collectors.toMap(AlarmSummary::getNodeId, Function.identity()));
    // Calculate status via scripts
    return serviceAccessor.getTransactionOperations().execute(t -> this.scripting.compute(graphMLVertices.stream(), (vertex) -> {
        final SimpleBindings bindings = new SimpleBindings();
        bindings.put("vertex", vertex);
        if (vertex.getNodeID() != null) {
            bindings.put("node", serviceAccessor.getNodeDao().get(vertex.getNodeID()));
            bindings.put("alarmSummary", nodeIdToAlarmSummaryMap.get(vertex.getNodeID()));
        }
        bindings.put("measurements", new MeasurementsWrapper(serviceAccessor.getMeasurementsService()));
        bindings.put("nodeDao", serviceAccessor.getNodeDao());
        bindings.put("snmpInterfaceDao", serviceAccessor.getSnmpInterfaceDao());
        return bindings;
    }));
}

Example 35 with SimpleBindings

use of javax.script.SimpleBindings in project opennms by OpenNMS.

the class ScriptedCollectionSetBuilder method build.

/**
 * Builds a collection set from the given message.
 *
 * WARNING: This method is not necessarily thread safe. This depends on the
 * script, and the script engine that is being used.
 *
 * @param agent
 *            the agent associated with the collection set
 * @param message
 *            the messaged passed to script containing the metrics
 * @return a collection set
 * @throws ScriptException
 */
public CollectionSet build(CollectionAgent agent, Object message) throws ScriptException {
    final CollectionSetBuilder builder = new CollectionSetBuilder(agent);
    final SimpleBindings globals = new SimpleBindings();
    globals.put("agent", agent);
    globals.put("builder", builder);
    globals.put("msg", message);
    compiledScript.eval(globals);
    return builder.build();
}