Example usage for javax.script ScriptEngine eval

Introduction

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

Prototype

public Object eval(Reader reader) throws ScriptException;

Source Link

Document

Same as eval(String) except that the source of the script is provided as a Reader

Usage

From source file:org.archive.modules.deciderules.ScriptedDecideRule.java

/**
 * Create a new ScriptEngine instance, preloaded with any supplied
 * source file and the variables 'self' (this ScriptedDecideRule) 
 * and 'context' (the ApplicationContext). 
 * /* www .  j a v  a 2 s.  c o  m*/
 * @return  the new Interpreter instance
 */
protected ScriptEngine newEngine() {
    ScriptEngine interpreter = new ScriptEngineManager().getEngineByName(engineName);

    interpreter.put("self", this);
    interpreter.put("context", appCtx);

    Reader reader = null;
    try {
        reader = getScriptSource().obtainReader();
        interpreter.eval(reader);
    } catch (ScriptException e) {
        logger.log(Level.SEVERE, "script problem", e);
    } finally {
        IOUtils.closeQuietly(reader);
    }

    return interpreter;
}

---

From source file:it.geosolutions.geobatch.action.scripting.ScriptingTest.java

@Test
public void testGroovyFileAndParam() throws ScriptException, IOException {

    String engineName = "groovy";

    ScriptEngineManager mgr = new ScriptEngineManager();
    // create a JavaScript engine
    ScriptEngine engine = mgr.getEngineByName(engineName);
    assertNotNull("Can't find engine '" + engineName + "'", engine);

    File script = new ClassPathResource("test-data/test.groovy").getFile();

    assertNotNull("Can't find test script", script);

    engine.put("gbtest", "testok");

    // evaluate code from File
    engine.eval(new FileReader(script));
}

---

From source file:org.archive.modules.ScriptedProcessor.java

@Override
protected void innerProcess(CrawlURI curi) {
    // depending on previous configuration, engine may 
    // be local to this thread or shared
    ScriptEngine engine = getEngine();
    synchronized (engine) {
        // synchronization is harmless for local thread engine,
        // necessary for shared engine
        engine.put("curi", curi);
        engine.put("appCtx", appCtx);
        try {//from   w w  w . j ava 2s . c  om
            engine.eval("process(curi)");
        } catch (ScriptException e) {
            logger.log(Level.WARNING, e.getMessage(), e);
        } finally {
            engine.put("curi", null);
            engine.put("appCtx", null);
        }
    }
}

---

From source file:org.nuxeo.runtime.scripting.ScriptingComponent.java

@Override
public Object eval(String path) throws ScriptException {
    ScriptEngine engine = getEngineByFileName(path);
    if (engine != null) {
        try {//from w  w  w . ja v  a  2s .  c  o  m
            Reader reader = new FileReader(getScriptFile(path));
            try {
                return engine.eval(reader);
            } finally {
                reader.close();
            }
        } catch (IOException e) {
            throw new ScriptException(e);
        }
    } else {
        throw new ScriptException("No script engine was found for the file: " + path);
    }
}

---

From source file:com.seajas.search.profiler.validator.ModifierValidator.java

/**
 * Validate the given command object.//from   w  ww.j  a  v  a2s  .  c om
 * 
 * @param command
 * @param errors
 */
@Override
public void validate(final Object command, final Errors errors) {
    ModifierCommand modifier = (ModifierCommand) command;

    if (modifier.getAction() != null
            && (modifier.getAction().equals("add") || modifier.getAction().equals("edit"))) {
        if (StringUtils.isEmpty(modifier.getUrlExpression()))
            errors.rejectValue("urlExpression", "modifiers.validator.error.url.expression.empty");
        else
            try {
                Pattern.compile(modifier.getUrlExpression());
            } catch (PatternSyntaxException e) {
                errors.rejectValue("urlExpression", "modifiers.validator.error.url.expression.invalid");
            }

        if (StringUtils.isEmpty(modifier.getUrlType()))
            errors.rejectValue("urlType", "modifiers.validator.error.url.type.empty");
    } else if (modifier.getFilterAction() != null && (modifier.getFilterAction().equals("add-filter")
            || modifier.getFilterAction().equals("edit-filter"))) {
        if (StringUtils.isEmpty(modifier.getFilterStart()))
            errors.rejectValue("filterStart", "modifiers.validator.error.filter.start.empty");
        else if (modifier.getFilterAsExpression())
            try {
                Pattern.compile(modifier.getFilterStart());
            } catch (PatternSyntaxException e) {
                errors.rejectValue("filterStart", "modifiers.validator.error.filter.start.invalid");
            }

        if (StringUtils.isEmpty(modifier.getFilterEnd()))
            errors.rejectValue("filterEnd", "modifiers.validator.error.filter.end.empty");
        else if (modifier.getFilterAsExpression())
            try {
                Pattern.compile(modifier.getFilterEnd());
            } catch (PatternSyntaxException e) {
                errors.rejectValue("filterEnd", "modifiers.validator.error.filter.end.invalid");
            }
    } else if (modifier.getScriptAction() != null && (modifier.getScriptAction().equals("add-script")
            || modifier.getScriptAction().equals("edit-script"))) {
        if (StringUtils.isEmpty(modifier.getScriptLanguage()))
            errors.rejectValue("scriptLanguage", "modifiers.validator.error.script.language.invalid");

        if (StringUtils.isEmpty(modifier.getScriptContent()))
            errors.rejectValue("scriptContent", "modifiers.validator.error.script.content.empty");
        else {
            if (modifier.getScriptLanguage().equalsIgnoreCase("xslt")) {
                StreamSource source = new StreamSource(new StringReader(modifier.getScriptContent()));

                try {
                    TransformerFactory.newInstance().newTransformer(source);
                } catch (Exception e) {
                    errors.rejectValue("scriptContent",
                            "modifiers.validator.error.script.content.invalid.transformation");
                }
            } else {
                ScriptEngineManager engineManager = new ScriptEngineManager();
                ScriptEngine engine = engineManager.getEngineByName(modifier.getScriptLanguage().toLowerCase());

                engine.put("input", "");
                engine.put("inputUrl", "");
                engine.put("inputMaximumContentLength", 0L);

                try {
                    engine.eval(modifier.getScriptContent());
                } catch (ScriptException e) {
                    errors.rejectValue("scriptContent",
                            "modifiers.validator.error.script.content.syntax.error");

                    logger.warn("Script validation failed", e);
                }
            }
        }
    }
}

---

From source file:org.nuxeo.automation.scripting.test.TestCompileAndContext.java

@Test
public void serviceShouldBeDeclared() throws Exception {
    ScriptEngineManager engineManager = new ScriptEngineManager();
    ScriptEngine engine = engineManager.getEngineByName(AutomationScriptingConstants.NASHORN_ENGINE);
    assertNotNull(engine);/*from  www . j  ava 2 s  . c  om*/

    InputStream stream = this.getClass().getResourceAsStream("/checkWrapper.js");
    assertNotNull(stream);
    engine.eval(scriptingService.getJSWrapper());
    engine.eval(IOUtils.toString(stream));
    assertEquals("Hello" + System.lineSeparator(), outContent.toString());
}

---

From source file:org.archive.modules.deciderules.ScriptedDecideRule.java

@Override
public DecideResult innerDecide(CrawlURI uri) {
    // depending on previous configuration, engine may 
    // be local to this thread or shared
    ScriptEngine engine = getEngine();
    synchronized (engine) {
        // synchronization is harmless for local thread engine,
        // necessary for shared engine
        try {//from  w ww . j a  v  a 2s.co m
            engine.put("object", uri);
            engine.put("appCtx", appCtx);
            return (DecideResult) engine.eval("decisionFor(object)");
        } catch (ScriptException e) {
            logger.log(Level.WARNING, e.getMessage(), e);
            return DecideResult.NONE;
        } finally {
            engine.put("object", null);
            engine.put("appCtx", null);
        }
    }
}

---

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

@Test
public void shouldProcessScriptWithUTF8Characters() throws Exception {
    final ScriptEngine engine = new GremlinGroovyScriptEngine();
    assertEquals("", engine.eval("''"));
}

---

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

@Test
@FeatureRequirementSet(FeatureRequirementSet.Package.VERTICES_ONLY)
public void shouldProcessUTF8Query() throws Exception {
    final Vertex nonUtf8 = graph.addVertex("name", "marko", "age", 29);
    final Vertex utf8Name = graph.addVertex("name", "", "age", 32);

    final ScriptEngine engine = new GremlinGroovyScriptEngine();

    engine.put("g", g);
    Traversal eval = (Traversal) engine.eval("g.V().has('name', 'marko')");
    assertEquals(nonUtf8, eval.next());//from ww w .j av a  2  s  .  com
    eval = (Traversal) engine.eval("g.V().has('name','')");
    assertEquals(utf8Name, eval.next());
}

---

From source file:org.rhq.scripting.python.PythonScriptEngineInitializer.java

@Override
public ScriptEngine instantiate(Set<String> packages, PermissionCollection permissions) throws ScriptException {

    ScriptEngine eng = engineManager.getEngineByName("python");

    //XXX this might not work perfectly in jython
    //but we can't make it work perfectly either, so let's just
    //keep our fingers crossed..
    //http://www.jython.org/jythonbook/en/1.0/ModulesPackages.html#from-import-statements
    for (String pkg : packages) {
        try {/* w  ww . j a v  a2s. c o m*/
            eng.eval("from " + pkg + " import *\n");
        } catch (ScriptException e) {
            //well, let's just keep things going, this is not fatal...
            LOG.info("Python script engine could not pre-import members of package '" + pkg + "'.");
        }
    }

    //fingers crossed we can secure jython like this
    return permissions == null ? eng : new SandboxedScriptEngine(eng, permissions);
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• »