Examples of bsh.Interpreter.eval()

bsh.Interpreter.eval()
Spawn a non-interactive local interpreter to evaluate text in the specified namespace. Return value is the evaluated object (or corresponding primitive wrapper). @param sourceFileInfo is for information purposes only. It is used todisplay error messages (and in the future may be made available to the script). @throws EvalError on script problems @throws TargetError on unhandled exceptions from the script

  static Object evaluateBshScript(String scriptSource, Class[] scriptInterfaces, ClassLoader classLoader)
      throws EvalError {


    Assert.hasText(scriptSource, "Script source must not be empty");
    Interpreter interpreter = new Interpreter();
    Object result = interpreter.eval(scriptSource);
    if (result != null) {
      return result;
    }
    else {
      // Simple BeanShell script: Let's create a proxy for it, implementing the given interfaces.

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    }
    else {
      // Simple BeanShell script: Let's create a proxy for it, implementing the given interfaces.
      Assert.notEmpty(scriptInterfaces,
          "Given script requires a script proxy: At least one script interface is required.");
      XThis xt = (XThis) interpreter.eval("return this");
      return Proxy.newProxyInstance(classLoader, scriptInterfaces, new BshObjectInvocationHandler(xt));
    }
  }

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   * @throws EvalError in case of BeanShell parsing failure
   */
  static Class determineBshObjectType(String scriptSource) throws EvalError {
    Assert.hasText(scriptSource, "Script source must not be empty");
    Interpreter interpreter = new Interpreter();
    Object result = interpreter.eval(scriptSource);
    if (result instanceof Class) {
      return (Class) result;
    }
    else if (result != null) {
      return result.getClass();

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  static Object evaluateBshScript(String scriptSource, Class[] scriptInterfaces, ClassLoader classLoader)
      throws EvalError {


    Assert.hasText(scriptSource, "Script source must not be empty");
    Interpreter interpreter = new Interpreter();
    Object result = interpreter.eval(scriptSource);
    if (result != null) {
      return result;
    }
    else {
      // Simple BeanShell script: Let's create a proxy for it, implementing the given interfaces.

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    }
    else {
      // Simple BeanShell script: Let's create a proxy for it, implementing the given interfaces.
      Assert.notEmpty(scriptInterfaces,
          "Given script requires a script proxy: At least one script interface is required.");
      XThis xt = (XThis) interpreter.eval("return this");
      return Proxy.newProxyInstance(classLoader, scriptInterfaces, new BshObjectInvocationHandler(xt));
    }
  }

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                }
            }


            try
            {
                return engine.eval( script );
            }
            catch ( TargetError e )
            {
                throw new ScriptEvaluationException( e.getTarget() );
            }

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                    if (bsh == null) {
                        bsh = BshUtil.makeInterpreter(context);
                        context.put("bshInterpreter", bsh);
                    }


                    Object retVal = bsh.eval(StringUtil.convertOperatorSubstitutions(useWhen));


                    // retVal should be a Boolean, if not something weird is up...
                    if (retVal instanceof Boolean) {
                        Boolean boolVal = (Boolean) retVal;
                        shouldUse = boolVal.booleanValue();

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        if (UtilValidate.isEmpty(useWhenStr)) {
            return true;
        } else {
            try {
                Interpreter bsh = this.modelForm.getBshInterpreter(context);
                Object retVal = bsh.eval(StringUtil.convertOperatorSubstitutions(useWhenStr));
                boolean condTrue = false;
                // retVal should be a Boolean, if not something weird is up...
                if (retVal instanceof Boolean) {
                    Boolean boolVal = (Boolean) retVal;
                    condTrue = boolVal.booleanValue();

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        try {
            // use the same Interpreter (ie with the same context setup) for all evals
            Interpreter bsh = this.getBshInterpreter(context);
            for (AltTarget altTarget: this.altTargets) {
                Object retVal = bsh.eval(StringUtil.convertOperatorSubstitutions(altTarget.useWhen));
                boolean condTrue = false;
                // retVal should be a Boolean, if not something weird is up...
                if (retVal instanceof Boolean) {
                    Boolean boolVal = (Boolean) retVal;
                    condTrue = boolVal.booleanValue();

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        String styles = "";
        try {
            // use the same Interpreter (ie with the same context setup) for all evals
            Interpreter bsh = this.getBshInterpreter(context);
            for (AltRowStyle altRowStyle : this.altRowStyles) {
                Object retVal = bsh.eval(StringUtil.convertOperatorSubstitutions(altRowStyle.useWhen));
                // retVal should be a Boolean, if not something weird is up...
                if (retVal instanceof Boolean) {
                    Boolean boolVal = (Boolean) retVal;
                    if (boolVal.booleanValue()) {
                        styles += altRowStyle.style;

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