Examples with BLCOperator org.broadleafcommerce.openadmin.web.rulebuilder.BLCOperator used on opensource projects

Example 1 with BLCOperator

use of org.broadleafcommerce.openadmin.web.rulebuilder.BLCOperator in project BroadleafCommerce by BroadleafCommerce.

the class PhraseTranslator method createExpression.

public Expression createExpression(String phrase) throws MVELTranslationException {
    String[] components = extractComponents(phrase);
    String field = components[0];
    String operator = components[1];
    String value = components[2];
    boolean isNegation = false;
    if (field.startsWith("!") || phrase.startsWith("!")) {
        isNegation = true;
    }
    boolean isIgnoreCase = false;
    boolean isCollectionCase = false;
    if (phrase.contains(DataDTOToMVELTranslator.COLLECTION_OPERATOR)) {
        isCollectionCase = true;
    }
    // remove null check syntax
    field = field.replaceAll("\\.\\?", ".");
    // keep for backwards compatibility with legacy generated MVEL
    String legacyCaseInsensitivityKey = "MVEL.eval(\"toUpperCase()\",";
    String newCaseInsensitivityKey = "MvelHelper.toUpperCase(";
    String caseInsensitivityKey;
    if (field.contains(legacyCaseInsensitivityKey) || value.contains(legacyCaseInsensitivityKey)) {
        caseInsensitivityKey = legacyCaseInsensitivityKey;
    } else {
        caseInsensitivityKey = newCaseInsensitivityKey;
    }
    if (field.contains(caseInsensitivityKey)) {
        isIgnoreCase = true;
        field = field.substring(field.indexOf(caseInsensitivityKey) + caseInsensitivityKey.length(), field.length() - 1);
    }
    while (value.contains(caseInsensitivityKey)) {
        int caseIndex = value.indexOf(caseInsensitivityKey);
        value = value.substring(0, caseIndex) + value.substring(caseIndex + caseInsensitivityKey.length());
        if (value.contains("\")")) {
            value = value.substring(0, value.indexOf("\")") + 1) + value.substring(value.indexOf("\")") + 2);
        } else {
            value = value.substring(0, value.indexOf(")")) + value.substring(value.indexOf(")") + 1);
        }
    }
    if (value.startsWith("[") && value.endsWith("]") && !isCollectionCase) {
        value = value.substring(1, value.length() - 1);
        String[] temps = value.split(",");
        for (int j = 0; j < temps.length; j++) {
            if (temps[j].startsWith("\"") && temps[j].endsWith("\"")) {
                temps[j] = temps[j].substring(1, temps[j].length() - 1);
            }
        }
        StringBuffer sb = new StringBuffer();
        sb.append("[");
        for (int j = 0; j < temps.length; j++) {
            sb.append(temps[j]);
            if (j < temps.length - 1) {
                sb.append(",");
            }
        }
        sb.append("]");
        value = sb.toString();
    }
    // keep for backwards compatibility with legacy generated MVEL
    String legacyDateFormatKey = "java.text.DateFormat.getDateTimeInstance(3,3).parse(";
    String newDateFormatKey = "MvelHelper.convertField(\"DATE\",\"";
    String dateFormatKey;
    if (value.contains(legacyDateFormatKey)) {
        dateFormatKey = legacyDateFormatKey;
    } else {
        dateFormatKey = newDateFormatKey;
    }
    if (value.startsWith(dateFormatKey)) {
        value = value.substring(dateFormatKey.length(), value.length() - 1);
        // convert the date into admin display format
        try {
            if (value.startsWith("\"")) {
                value = value.substring(1, value.length());
            }
            if (value.endsWith("\"")) {
                value = value.substring(0, value.length() - 1);
            }
            value = RuleBuilderFormatUtil.formatDate(RuleBuilderFormatUtil.parseDate(value));
        } catch (ParseException e) {
            throw new MVELTranslationException(MVELTranslationException.INCOMPATIBLE_DATE_VALUE, "Unable to convert " + "the persisted date value(" + value + ") to the admin display format.");
        }
    }
    int entityKeyIndex = field.indexOf(".");
    if (entityKeyIndex < 0) {
        throw new MVELTranslationException(MVELTranslationException.NO_FIELD_FOUND_IN_RULE, "Could not identify a " + "valid property field value in the expression: (" + phrase + ")");
    }
    if (value.startsWith(caseInsensitivityKey)) {
        value = value.substring(caseInsensitivityKey.length(), value.length() - 1);
    }
    String entityKey = field.substring(0, entityKeyIndex);
    boolean isFieldComparison = false;
    if (value.startsWith("\"") && value.endsWith("\"")) {
        value = value.substring(1, value.length() - 1);
    } else if (value.startsWith(entityKey + ".")) {
        isFieldComparison = true;
        value = value.substring(entityKey.length() + 1, value.length());
    }
    field = field.substring(entityKeyIndex + 1, field.length());
    // If this is a Money field, then DataDTOToMVELTranslator.formatValue() will append .getAmount() onto the end
    // of the field name. We need to remove that as it should not be considered part of the field name, but we still
    // want to support other method invocations in MVEL expressions (like for getProductAttributes())
    String moneyAmountMethod = ".getAmount()";
    int amountMethodPos = field.lastIndexOf(moneyAmountMethod);
    if (amountMethodPos >= 0) {
        field = field.substring(0, amountMethodPos);
    }
    // Same as above, but for Enumeration types
    String typeMethod = ".getType()";
    int typeMethodPos = field.lastIndexOf(typeMethod);
    if (typeMethodPos >= 0) {
        field = field.substring(0, typeMethodPos);
    }
    Expression expression = new Expression();
    expression.setField(field);
    BLCOperator operatorId = getOperator(field, operator, value, isNegation, isFieldComparison, isIgnoreCase);
    expression.setOperator(operatorId);
    expression.setValue(value);
    return expression;
}