Example usage for javax.script Bindings put

Introduction

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

Prototype

public Object put(String name, Object value);

Source Link

Document

Set a named value.

Usage

From source file:org.red5.server.script.rhino.RhinoScriptUtils.java

/**
 * Create a new Rhino-scripted object from the given script source.
 * /*w  w  w  .j  a  v a2 s  .c  om*/
 * @param scriptSource
 *            the script source text
 * @param interfaces
 *            the interfaces that the scripted Java object is supposed to
 *            implement
 * @param extendedClass
 * @return the scripted Java object
 * @throws ScriptCompilationException
 *             in case of Rhino parsing failure
 * @throws java.io.IOException
 */
@SuppressWarnings("rawtypes")
public static Object createRhinoObject(String scriptSource, Class[] interfaces, Class extendedClass)
        throws ScriptCompilationException, IOException, Exception {
    if (log.isDebugEnabled()) {
        log.debug("Script Engine Manager: " + mgr.getClass().getName());
    }
    ScriptEngine engine = mgr.getEngineByExtension("js");
    if (null == engine) {
        log.warn("Javascript is not supported in this build");
    }
    // set engine scope namespace
    Bindings nameSpace = engine.getBindings(ScriptContext.ENGINE_SCOPE);
    // add the logger to the script
    nameSpace.put("log", log);
    // compile the wrapper script
    CompiledScript wrapper = ((Compilable) engine).compile(jsWrapper);
    nameSpace.put("Wrapper", wrapper);

    // get the function name ie. class name / ctor
    String funcName = RhinoScriptUtils.getFunctionName(scriptSource);
    if (log.isDebugEnabled()) {
        log.debug("New script: " + funcName);
    }
    // set the 'filename'
    nameSpace.put(ScriptEngine.FILENAME, funcName);

    if (null != interfaces) {
        nameSpace.put("interfaces", interfaces);
    }

    if (null != extendedClass) {
        if (log.isDebugEnabled()) {
            log.debug("Extended: " + extendedClass.getName());
        }
        nameSpace.put("supa", extendedClass.newInstance());
    }
    //
    // compile the script
    CompiledScript script = ((Compilable) engine).compile(scriptSource);
    // eval the script with the associated namespace
    Object o = null;
    try {
        o = script.eval();
    } catch (Exception e) {
        log.error("Problem evaluating script", e);
    }
    if (log.isDebugEnabled()) {
        log.debug("Result of script call: " + o);
    }
    // script didnt return anything we can use so try the wrapper
    if (null == o) {
        wrapper.eval();
    } else {
        wrapper.eval();
        o = ((Invocable) engine).invokeFunction("Wrapper", new Object[] { engine.get(funcName) });
        if (log.isDebugEnabled()) {
            log.debug("Result of invokeFunction: " + o);
        }
    }
    return Proxy.newProxyInstance(ClassUtils.getDefaultClassLoader(), interfaces,
            new RhinoObjectInvocationHandler(engine, o));
}

---

From source file:org.jahia.tools.patches.GroovyPatcher.java

public static void executeScripts(Resource[] scripts) {
    long timer = System.currentTimeMillis();
    logger.info("Found new patch scripts {}. Executing...", StringUtils.join(scripts));

    for (Resource script : scripts) {
        try {/* w w  w  .j  a  va 2 s  .com*/
            long timerSingle = System.currentTimeMillis();
            String scriptContent = getContent(script);
            if (StringUtils.isNotEmpty(scriptContent)) {
                ScriptEngine engine = getEngine();
                ScriptContext ctx = new SimpleScriptContext();
                ctx.setWriter(new StringWriter());
                Bindings bindings = engine.createBindings();
                bindings.put("log", new LoggerWrapper(logger, logger.getName(), ctx.getWriter()));
                ctx.setBindings(bindings, ScriptContext.ENGINE_SCOPE);

                engine.eval(scriptContent, ctx);
                String result = ((StringWriter) ctx.getWriter()).getBuffer().toString();
                logger.info("Execution of script {} took {} ms with result:\n{}", new String[] {
                        script.toString(), String.valueOf(System.currentTimeMillis() - timerSingle), result });
            } else {
                logger.warn("Content of the script {} is either empty or cannot be read. Skipping.");
            }
            rename(script, ".installed");
        } catch (Exception e) {
            logger.error("Execution of script " + script + " failed with error: " + e.getMessage(), e);
            rename(script, ".failed");
        }
    }

    logger.info("Execution took {} ms", (System.currentTimeMillis() - timer));
}

---

From source file:tk.tomby.tedit.services.ScriptingManager.java

/**
 * DOCUMENT ME!/*from   ww w .  j  a va  2  s. c  o m*/
 *
 * @param lang DOCUMENT ME!
 * @param script DOCUMENT ME!
 * @param buffer DOCUMENT ME!
 *
 * @return DOCUMENT ME!
 */
public static Object eval(String lang, String script, IBuffer buffer) {
    Object result = null;

    try {
        ScriptEngine engine = manager.getEngineByName(lang);

        if (buffer != null) {
            Bindings bindings = engine.createBindings();
            bindings.put("buffer", new BufferDecorator(buffer));
            engine.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
        }

        result = engine.eval(script);
    } catch (ScriptException e) {
        log.error("error in script excution", e);
    }

    return result;
}

---

From source file:org.netbeans.jcode.core.util.FileUtil.java

private static void expandTemplate(InputStream template, Map<String, Object> values, Charset targetEncoding,
        Writer w) throws IOException {
    //        Charset sourceEnc = FileEncodingQuery.getEncoding(template);
    ScriptEngine eng = getScriptEngine();
    Bindings bind = eng.getContext().getBindings(ScriptContext.ENGINE_SCOPE);
    bind.putAll(values);//from  w  ww  .  ja  va2s.  c o  m
    bind.put(ENCODING_PROPERTY_NAME, targetEncoding.name());

    Reader is = null;
    try {
        eng.getContext().setWriter(w);
        is = new InputStreamReader(template);
        eng.eval(is);
    } catch (ScriptException ex) {
        throw new IOException(ex);
    } finally {
        if (is != null) {
            is.close();
        }
    }
}

---

From source file:tk.tomby.tedit.services.ScriptingManager.java

/**
 * DOCUMENT ME!/* w  ww  .  j a  v  a 2 s. com*/
 *
 * @param lang DOCUMENT ME!
 * @param script DOCUMENT ME!
 * @param buffer DOCUMENT ME!
 */
public static Object exec(String lang, InputStream stream, IBuffer buffer) {
    Object result = null;
    BufferedReader reader = null;

    try {
        ScriptEngine engine = manager.getEngineByName(lang);

        reader = new BufferedReader(new InputStreamReader(stream));

        if (buffer != null) {
            Bindings bindings = engine.createBindings();
            bindings.put("buffer", new BufferDecorator(buffer));
            engine.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
        }

        result = engine.eval(reader);

    } catch (ScriptException e) {
        log.error("error in script excution", e);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {
                log.warn("error closing reader", e);
            }
        }
    }

    return result;
}

---

From source file:org.rhq.bindings.ScriptEngineFactory.java

/**
 * Injects the values provided in the bindings into the {@link ScriptContext#ENGINE_SCOPE engine scope}
 * of the provided script engine.//from   ww w  . ja  v  a 2s. c  o m
 * 
 * @param engine the engine
 * @param bindings the bindings
 * @param deleteExistingBindings true if the existing bindings should be replaced by the provided ones, false
 * if the provided bindings should be added to the existing ones (possibly overwriting bindings with the same name).
 */
public static void injectStandardBindings(ScriptEngine engine, StandardBindings bindings,
        boolean deleteExistingBindings) {
    bindings.preInject(engine);

    Bindings engineBindings = deleteExistingBindings ? engine.createBindings()
            : engine.getBindings(ScriptContext.ENGINE_SCOPE);

    for (Map.Entry<String, Object> entry : bindings.entrySet()) {
        engineBindings.put(entry.getKey(), entry.getValue());
    }

    engine.setBindings(engineBindings, ScriptContext.ENGINE_SCOPE);

    bindings.postInject(engine);
}

---

From source file:io.github.jeddict.jcode.util.FileUtil.java

public static void expandTemplate(Reader reader, Writer writer, Map<String, Object> values,
        Charset targetEncoding) throws IOException {
    ScriptEngine eng = getScriptEngine();
    Bindings bind = eng.getContext().getBindings(ScriptContext.ENGINE_SCOPE);
    bind.putAll(values);//  w  w w  .  jav  a  2  s.co m
    bind.put(ENCODING_PROPERTY_NAME, targetEncoding.name());

    try {
        eng.getContext().setWriter(writer);
        eng.eval(reader);
    } catch (ScriptException ex) {
        throw new IOException(ex);
    } finally {
        if (reader != null) {
            reader.close();
        }
    }
}

---

From source file:org.netbeans.jcode.core.util.FileUtil.java

public static String expandTemplate(String template, Map<String, Object> values) {
    StringWriter writer = new StringWriter();
    ScriptEngine eng = getScriptEngine();
    Bindings bind = eng.getContext().getBindings(ScriptContext.ENGINE_SCOPE);
    if (values != null) {
        bind.putAll(values);/* w  ww .j av  a2 s  .com*/
    }
    bind.put(ENCODING_PROPERTY_NAME, Charset.defaultCharset().name());
    eng.getContext().setWriter(writer);
    Reader is = new StringReader(template);
    try {
        eng.eval(is);
    } catch (ScriptException ex) {
        Exceptions.printStackTrace(ex);
    }

    return writer.toString();

}

---

From source file:at.alladin.rmbt.qos.testscript.TestScriptInterpreter.java

/**
 * //w  w w. ja  va 2  s . c o m
 * @param command
 * @return
 */
public static <T> Object interprete(String command, Hstore hstore, AbstractResult<T> object,
        boolean useRecursion, ResultOptions resultOptions) {

    if (jsEngine == null) {
        ScriptEngineManager sem = new ScriptEngineManager();
        jsEngine = sem.getEngineByName("JavaScript");
        System.out.println("JS Engine: " + jsEngine.getClass().getCanonicalName());
        Bindings b = jsEngine.createBindings();
        b.put("nn", new SystemApi());
        jsEngine.setBindings(b, ScriptContext.GLOBAL_SCOPE);
    }

    command = command.replace("\\%", "{PERCENT}");

    Pattern p;
    if (!useRecursion) {
        p = PATTERN_COMMAND;
    } else {
        p = PATTERN_RECURSIVE_COMMAND;

        Matcher m = p.matcher(command);
        while (m.find()) {
            String replace = m.group(0);
            //System.out.println("found: " + replace);
            String toReplace = String.valueOf(interprete(replace, hstore, object, false, resultOptions));
            //System.out.println("replacing: " + m.group(0) + " -> " + toReplace);
            command = command.replace(m.group(0), toReplace);
        }

        command = command.replace("{PERCENT}", "%");
        return command;
    }

    Matcher m = p.matcher(command);
    command = command.replace("{PERCENT}", "%");

    String scriptCommand;
    String[] args;

    if (m.find()) {
        if (m.groupCount() != 2) {
            return command;
        }
        scriptCommand = m.group(1);

        if (!COMMAND_EVAL.equals(scriptCommand)) {
            args = m.group(2).trim().split("\\s");
        } else {
            args = new String[] { m.group(2).trim() };
        }
    } else {
        return command;
    }

    try {
        if (COMMAND_RANDOM.equals(scriptCommand)) {
            return random(args);
        } else if (COMMAND_PARAM.equals(scriptCommand)) {
            return parse(args, hstore, object, resultOptions);
        } else if (COMMAND_EVAL.equals(scriptCommand)) {
            return eval(args, hstore, object);
        } else if (COMMAND_RANDOM_URL.equals(scriptCommand)) {
            return randomUrl(args);
        } else {
            return command;
        }
    } catch (ScriptException e) {
        e.printStackTrace();
        return null;
    }
}

---

From source file:io.github.jeddict.jcode.util.FileUtil.java

public static String expandTemplate(String inputTemplatePath, Map<String, Object> values) {
    InputStream contentStream = loadResource(inputTemplatePath);
    StringWriter writer = new StringWriter();
    ScriptEngine eng = getScriptEngine();
    Bindings bind = eng.getContext().getBindings(ScriptContext.ENGINE_SCOPE);
    if (values != null) {
        bind.putAll(values);//ww w. j  ava 2  s . c o m
    }
    bind.put(ENCODING_PROPERTY_NAME, Charset.defaultCharset().name());
    eng.getContext().setWriter(writer);
    Reader is = new InputStreamReader(contentStream);
    try {
        eng.eval(is);
    } catch (ScriptException ex) {
        Exceptions.printStackTrace(ex);
    }

    return writer.toString();
}

---

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