Examples with ExpressionProcessor org.akaza.openclinica.domain.rule.expression.ExpressionProcessor used on opensource projects

Example 6 with ExpressionProcessor

use of org.akaza.openclinica.domain.rule.expression.ExpressionProcessor in project OpenClinica by OpenClinica.

the class TestRuleServlet method validate.

private HashMap<String, String> validate(Validator v) throws ParseException {
    FormProcessor fp = new FormProcessor(request);
    String targetString = fp.getString("target");
    String ruleString = fp.getString("rule");
    ruleString = ruleString.trim().replaceAll("(\n|\t|\r)", " ");
    targetString = targetString.trim().replaceAll("(\n|\t|\r)", "");
    HashMap<String, String> p = session.getAttribute("testValues") != null ? (HashMap<String, String>) session.getAttribute("testValues") : new HashMap<String, String>();
    if (p != null) {
        for (Map.Entry<String, String> entry : p.entrySet()) {
            entry.setValue(fp.getString(entry.getKey()));
            if (entry.getKey().startsWith(ExpressionService.STUDY_EVENT_OID_START_KEY) && (entry.getKey().endsWith(ExpressionService.STATUS) || entry.getKey().endsWith(ExpressionService.STARTDATE))) {
                StudyEventDefinitionBean sed = getExpressionService().getStudyEventDefinitionFromExpressionForEvents(entry.getKey(), currentStudy);
                if (entry.getKey().endsWith(ExpressionService.STATUS)) {
                // TODO add the logic for status
                } else if (entry.getKey().endsWith(ExpressionService.STARTDATE)) {
                    try {
                        v.addValidation(entry.getKey(), Validator.IS_A_DATE);
                        SimpleDateFormat sdf = new SimpleDateFormat(resformat.getString("date_format_string"));
                        SimpleDateFormat sdf2 = new SimpleDateFormat("yyyy-MM-dd");
                        if (!entry.getValue().isEmpty()) {
                            java.util.Date date = sdf2.parse(entry.getValue());
                            entry.setValue(sdf.format(date));
                        }
                    } catch (Exception e) {
                        logger.error(e.toString());
                    // TODO: handle exception
                    }
                }
            } else {
                ItemBean item = getExpressionService().getItemBeanFromExpression(entry.getKey());
                List<ItemFormMetadataBean> itemFormMetadataBeans = getItemFormMetadataDAO().findAllByItemId(item.getId());
                ItemFormMetadataBean itemFormMetadataBean = itemFormMetadataBeans.size() > 0 ? itemFormMetadataBeans.get(0) : null;
                if (!entry.getValue().equals("") && NullValue.getByName(entry.getValue()) == NullValue.INVALID) {
                    if (itemFormMetadataBean != null) {
                        if (itemFormMetadataBean.getResponseSet().getResponseType() == ResponseType.SELECTMULTI || itemFormMetadataBean.getResponseSet().getResponseType() == ResponseType.CHECKBOX) {
                            v.addValidation(entry.getKey(), Validator.IN_RESPONSE_SET_COMMA_SEPERATED, itemFormMetadataBean.getResponseSet());
                        }
                        if (itemFormMetadataBean.getResponseSet().getResponseType() == ResponseType.SELECT || itemFormMetadataBean.getResponseSet().getResponseType() == ResponseType.RADIO) {
                            v.addValidation(entry.getKey(), Validator.IN_RESPONSE_SET_SINGLE_VALUE, itemFormMetadataBean.getResponseSet());
                        } else {
                            itemDataTypeToValidatorId(entry.getKey(), item, v);
                        }
                    }
                }
                if (item.getItemDataTypeId() == 9) {
                    try {
                        SimpleDateFormat sdf = new SimpleDateFormat(resformat.getString("date_format_string"));
                        SimpleDateFormat sdf2 = new SimpleDateFormat("yyyy-MM-dd");
                        if (!entry.getValue().isEmpty()) {
                            java.util.Date date = sdf.parse(entry.getValue());
                            entry.setValue(sdf2.format(date));
                        }
                    } catch (Exception e) {
                    // TODO: handle exception
                    }
                }
            }
        }
    }
    List<RuleActionBean> actions = session.getAttribute("testRuleActions") != null ? (List<RuleActionBean>) session.getAttribute("testRuleActions") : new ArrayList<RuleActionBean>();
    if (actions != null) {
        for (int i = 0; i < actions.size(); i++) {
            actions.get(i).setExpressionEvaluatesTo(fp.getBoolean("actions" + i));
        }
    }
    // Check Target if not valid report and return
    try {
        getExpressionService().ruleSetExpressionChecker(targetString);
    } catch (OpenClinicaSystemException e) {
        HashMap<String, String> result = new HashMap<String, String>();
        MessageFormat mf = new MessageFormat("");
        mf.applyPattern(respage.getString(e.getErrorCode()));
        Object[] arguments = e.getErrorParams();
        result.put("ruleValidation", "target_invalid");
        result.put("ruleValidationFailMessage", e.getErrorCode() + " : " + mf.format(arguments));
        result.put("ruleEvaluatesTo", "");
        request.setAttribute("targetFail", "on");
        return result;
    }
    // Auto update itemName & itemDefinition based on target
    ItemBean item = getExpressionService().getItemBeanFromExpression(targetString);
    StudyEventDefinitionBean sed = null;
    if (item != null) {
        request.setAttribute("itemName", item.getName());
        request.setAttribute("itemDefinition", item.getDescription());
    } else {
        sed = getExpressionService().getStudyEventDefinitionFromExpressionForEvents(targetString, currentStudy);
        if (sed != null) {
            request.setAttribute("itemName", sed.getName());
            request.setAttribute("itemDefinition", sed.getDescription());
        }
    }
    RuleSetBean ruleSet = new RuleSetBean();
    ExpressionBean target = new ExpressionBean();
    target.setContext(Context.OC_RULES_V1);
    target.setValue(targetString);
    ruleSet.setTarget(target);
    RuleSetBean persistentRuleSet = getRuleSetDao().findByExpressionAndStudy(ruleSet, currentStudy.getId());
    if (persistentRuleSet != null) {
        if (item != null)
            request.setAttribute("ruleSetId", item.getId());
        else
            request.setAttribute("ruleSetId", sed.getId());
    }
    ExpressionBean rule = new ExpressionBean();
    rule.setContext(Context.OC_RULES_V1);
    rule.setValue(ruleString);
    ExpressionObjectWrapper eow = new ExpressionObjectWrapper(sm.getDataSource(), currentStudy, rule, ruleSet);
    ExpressionProcessor ep = ExpressionProcessorFactory.createExpressionProcessor(eow);
    ep.setRespage(respage);
    // Run expression with populated HashMap
    DateTime start = new DateTime();
    HashMap<String, String> result = ep.testEvaluateExpression(p);
    DateTime end = new DateTime();
    Duration dur = new Duration(start, end);
    PeriodFormatter yearsAndMonths = new PeriodFormatterBuilder().printZeroAlways().appendSecondsWithMillis().appendSuffix(" second", " seconds").toFormatter();
    yearsAndMonths.print(dur.toPeriod());
    // Run expression with empty HashMap to check rule validity, because
    // using illegal test values will cause invalidity
    HashMap<String, String> k = new HashMap<String, String>();
    HashMap<String, String> theResult = ep.testEvaluateExpression(k);
    if (theResult.get("ruleValidation").equals("rule_valid") && result.get("ruleValidation").equals("rule_invalid")) {
        result.put("ruleValidation", "rule_valid");
        result.put("ruleEvaluatesTo", resword.getString("test_rules_rule_fail") + " " + result.get("ruleValidationFailMessage"));
        result.remove("ruleValidationFailMessage");
    }
    // Put on screen
    request.setAttribute("duration", yearsAndMonths.print(dur.toPeriod()));
    return result;
}