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

    while ((line = bIn.readLine ()) != null) {
      String[] fields = line.split ("\\s+");
      Object[] vals = new Object [fields.length];
      for (int i = 0; i < fields.length; i++) {
        try {
          vals[i] = interpreter.eval (fields[i]);
        } catch (EvalError e) {
          throw new RuntimeException ("Error reading line: "+line, e);
        }
      }
      assn.addRow (varr, vals);

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      for (Map.Entry<String, Object> entry : inputMap.entrySet()) {
        String inputName = entry.getKey();
        Object inputValue = entry.getValue();
        interpreter.set(inputName, inputValue);
      }
      interpreter.eval(expression);
      for (String outputName : outputNames) {
        Object outputValue = interpreter.get(outputName);
        outputMap.put(outputName, outputValue);
      }
      log.debug("script output: " + outputMap);

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            {
                Interpreter _interpreter = new Interpreter();


                // TODO import useful stuff
                // predefine useful functions?
                _interpreter.eval("import org.omg.CORBA.*;");


                _interpreter.set("event", message.toAny());
                _interpreter.set("date", new Date());
                _interpreter.set("constraint", constraint_);
                Object _result = _interpreter.eval(constraint_);

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                _interpreter.eval("import org.omg.CORBA.*;");


                _interpreter.set("event", message.toAny());
                _interpreter.set("date", new Date());
                _interpreter.set("constraint", constraint_);
                Object _result = _interpreter.eval(constraint_);


                if (_result == null)
                {
                    return EvaluationResult.BOOL_FALSE;
                }

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            String contextVar = (String) contextIt.next();
            bshInterpreter.set(contextVar, context.get(contextVar));
        }


        // Launch the BeanShell script.
        return bshInterpreter.eval(beanShellScript);
    }


    /**
     * Compares two comparable objects.
     * @param ordering: 1=ascending, -1=descending

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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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                    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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            String contextVar = (String) contextIt.next();
            bshInterpreter.set(contextVar, context.get(contextVar));
        }


        // Launch the BeanShell script.
        return bshInterpreter.eval(beanShellScript);
    }


    /**
     * Compares two comparable objects.
     * @param ordering: 1=ascending, -1=descending

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