Example usage for javax.script Invocable invokeFunction

Introduction

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

Prototype

public Object invokeFunction(String name, Object... args) throws ScriptException, NoSuchMethodException;

Source Link

Document

Used to call top-level procedures and functions defined in scripts.

Usage

From source file:org.tamilunicodeconverter.converter.BaminiConverter.java

public String getUnicodeTextUsingJavaScript(String text) {
    String unicodeText = "";

    try {//from ww  w  .  j av  a2s .  c  o  m
        ScriptEngineManager factory = new ScriptEngineManager();
        ScriptEngine engine = factory.getEngineByName("JavaScript");
        engine.eval(getScriptContent());
        Invocable invokable = (Invocable) engine;
        unicodeText = (String) invokable.invokeFunction("convert", new String[] { text });
    } catch (Exception ex) {
        throw new UnhandledException("Error occured while converting bamini text to unicode", ex);
    }
    return unicodeText;
}

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From source file:temp.groovy.java

@Test
public void foo() {
    JexlEngine eng = new JexlEngine();
    eng.setLenient(false);//from  w  w  w. j  av a 2 s. c o  m
    eng.setSilent(false);
    Expression expr = eng.createExpression("a == '9' and a =~ ['7','9']");
    System.out.println(expr.dump());
    JexlContext ctx = new MapContext();
    ctx.set("a", "9");
    Boolean result = (Boolean) expr.evaluate(ctx);
    try {
        ScriptEngineManager factory = new ScriptEngineManager();
        ScriptEngine engine = factory.getEngineByName("jython");

        engine.put("first", 9);
        result = (Boolean) engine.eval("first not in [7,9]");
        result = (Boolean) engine.eval("first in ['7','9']");
        assertEquals(true, result);
        //This next example illustrates calling an invokable function:

        String fact = "def factorial(n) { n == 1 ? 1 : n * factorial(n - 1) }";
        engine.eval(fact);
        Invocable inv = (Invocable) engine;
        Object[] params = { 5 };
        Object oresult = inv.invokeFunction("factorial", params);
        assertEquals(120, oresult);
    } catch (ScriptException | NoSuchMethodException ex) {
        Logger.getLogger(groovy.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:org.eclairjs.nashorn.sql.JSUDF1.java

@SuppressWarnings({ "null", "unchecked" })
@Override/*from  w w w. j  a  v a  2 s.c  om*/
public Object call(Object o) throws Exception {
    ScriptEngine e = NashornEngineSingleton.getEngine();
    if (this.fn == null) {
        this.fn = e.eval(func);
    }
    Invocable invocable = (Invocable) e;

    Object params[] = { this.fn, o };

    if (this.args != null && this.args.length > 0) {
        params = ArrayUtils.addAll(params, this.args);
    }

    Object ret = invocable.invokeFunction("Utils_invoke", params);
    ret = this.castValueToReturnType(ret);
    return ret;
}

---

From source file:org.eclairjs.nashorn.sql.JSUDF2.java

@SuppressWarnings({ "null", "unchecked" })
@Override//from w w  w. j  av a  2  s . c o m
public Object call(Object o, Object o2) throws Exception {
    ScriptEngine e = NashornEngineSingleton.getEngine();
    if (this.fn == null) {
        this.fn = e.eval(func);
    }
    Invocable invocable = (Invocable) e;

    Object params[] = { this.fn, o, o2 };

    if (this.args != null && this.args.length > 0) {
        params = ArrayUtils.addAll(params, this.args);
    }

    Object ret = invocable.invokeFunction("Utils_invoke", params);
    ret = this.castValueToReturnType(ret);
    return ret;
}

---

From source file:org.eclairjs.nashorn.sql.JSUDF3.java

@SuppressWarnings({ "null", "unchecked" })
@Override/* w  w w. j ava2 s. co m*/
public Object call(Object o, Object o2, Object o3) throws Exception {
    ScriptEngine e = NashornEngineSingleton.getEngine();
    if (this.fn == null) {
        this.fn = e.eval(func);
    }
    Invocable invocable = (Invocable) e;

    Object params[] = { this.fn, o, o2, o3 };

    if (this.args != null && this.args.length > 0) {
        params = ArrayUtils.addAll(params, this.args);
    }

    Object ret = invocable.invokeFunction("Utils_invoke", params);
    ret = this.castValueToReturnType(ret);
    return ret;
}

---

From source file:org.eclairjs.nashorn.sql.JSUDF4.java

@SuppressWarnings({ "null", "unchecked" })
@Override// ww  w. java 2 s.c  o m
public Object call(Object o, Object o2, Object o3, Object o4) throws Exception {
    ScriptEngine e = NashornEngineSingleton.getEngine();
    if (this.fn == null) {
        this.fn = e.eval(func);
    }
    Invocable invocable = (Invocable) e;

    Object params[] = { this.fn, o, o2, o3, o4 };

    if (this.args != null && this.args.length > 0) {
        params = ArrayUtils.addAll(params, this.args);
    }

    Object ret = invocable.invokeFunction("Utils_invoke", params);
    ret = this.castValueToReturnType(ret);
    return ret;
}

---

From source file:org.eclairjs.nashorn.sql.JSUDF5.java

@SuppressWarnings({ "null", "unchecked" })
@Override//from w w w  .j  a  va  2  s. c  om
public Object call(Object o, Object o2, Object o3, Object o4, Object o5) throws Exception {
    ScriptEngine e = NashornEngineSingleton.getEngine();
    if (this.fn == null) {
        this.fn = e.eval(func);
    }
    Invocable invocable = (Invocable) e;

    Object params[] = { this.fn, o, o2, o3, o4, o5 };

    if (this.args != null && this.args.length > 0) {
        params = ArrayUtils.addAll(params, this.args);
    }

    Object ret = invocable.invokeFunction("Utils_invoke", params);
    ret = this.castValueToReturnType(ret);
    return ret;
}

---

From source file:org.eclairjs.nashorn.sql.JSUDF7.java

@SuppressWarnings({ "null", "unchecked" })
@Override//from  w  w  w  .j a v a  2 s.c o  m
public Object call(Object o, Object o2, Object o3, Object o4, Object o5, Object o6, Object o7)
        throws Exception {
    ScriptEngine e = NashornEngineSingleton.getEngine();
    if (this.fn == null) {
        this.fn = e.eval(func);
    }
    Invocable invocable = (Invocable) e;

    Object params[] = { this.fn, o, o2, o3, o4, o5, o6, o7 };

    if (this.args != null && this.args.length > 0) {
        params = ArrayUtils.addAll(params, this.args);
    }

    Object ret = invocable.invokeFunction("Utils_invoke", params);
    ret = this.castValueToReturnType(ret);
    return ret;
}

---

From source file:org.eclairjs.nashorn.sql.JSUDF8.java

@SuppressWarnings({ "null", "unchecked" })
@Override//ww w. j a v  a2s  . c om
public Object call(Object o, Object o2, Object o3, Object o4, Object o5, Object o6, Object o7, Object o8)
        throws Exception {
    ScriptEngine e = NashornEngineSingleton.getEngine();
    if (this.fn == null) {
        this.fn = e.eval(func);
    }
    Invocable invocable = (Invocable) e;

    Object params[] = { this.fn, o, o2, o3, o4, o5, o6, o7, o8 };

    if (this.args != null && this.args.length > 0) {
        params = ArrayUtils.addAll(params, this.args);
    }

    Object ret = invocable.invokeFunction("Utils_invoke", params);
    ret = this.castValueToReturnType(ret);
    return ret;
}

---

From source file:org.eclairjs.nashorn.sql.JSUDF9.java

@SuppressWarnings({ "null", "unchecked" })
@Override/*from  w  ww  . ja v a2s  . c  o  m*/
public Object call(Object o, Object o2, Object o3, Object o4, Object o5, Object o6, Object o7, Object o8,
        Object o9) throws Exception {
    ScriptEngine e = NashornEngineSingleton.getEngine();
    if (this.fn == null) {
        this.fn = e.eval(func);
    }
    Invocable invocable = (Invocable) e;

    Object params[] = { this.fn, o, o2, o3, o4, o5, o6, o7, o8, o9 };

    if (this.args != null && this.args.length > 0) {
        params = ArrayUtils.addAll(params, this.args);
    }

    Object ret = invocable.invokeFunction("Utils_invoke", params);
    ret = this.castValueToReturnType(ret);
    return ret;
}

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