Examples with TrimExpression org.eclipse.persistence.jpa.jpql.parser.TrimExpression used on opensource projects

Example 1 with TrimExpression

use of org.eclipse.persistence.jpa.jpql.parser.TrimExpression in project eclipselink by eclipse-ee4j.

the class AbstractGrammarValidator method visit.

@Override
public void visit(TrimExpression expression) {
    validateAbstractSingleEncapsulatedExpression(expression, trimExpressionHelper());
    // Missing string primary
    if (!expression.hasExpression()) {
        int startPosition = position(expression) + 4 + /* TRIM */
        (expression.hasLeftParenthesis() ? 1 : 0) + expression.getSpecification().getValue().length() + (expression.hasSpaceAfterSpecification() ? 1 : 0) + length(expression.getTrimCharacter()) + (expression.hasSpaceAfterTrimCharacter() ? 1 : 0) + (expression.hasFrom() ? 4 : 0) + (expression.hasSpaceAfterFrom() ? 1 : 0);
        addProblem(expression, startPosition, TrimExpression_MissingExpression);
    } else // Invalid string primary
    if (!isValid(expression.getExpression(), expression.getEncapsulatedExpressionQueryBNFId())) {
        int startPosition = position(expression) + 4 + /* TRIM */
        (expression.hasLeftParenthesis() ? 1 : 0) + expression.getSpecification().getValue().length() + (expression.hasSpaceAfterSpecification() ? 1 : 0) + length(expression.getTrimCharacter()) + (expression.hasSpaceAfterTrimCharacter() ? 1 : 0) + (expression.hasFrom() ? 4 : 0) + (expression.hasSpaceAfterFrom() ? 1 : 0);
        int endPosition = startPosition + length(expression.getExpression());
        addProblem(expression, startPosition, endPosition, TrimExpression_InvalidExpression);
    }
    // Invalid trim character
    if (expression.hasTrimCharacter()) {
        Expression trimCharacter = expression.getTrimCharacter();
        // Make sure it's not an input parameter
        String inputParameter = literal(trimCharacter, LiteralType.INPUT_PARAMETER);
        if (ExpressionTools.stringIsEmpty(inputParameter)) {
            String stringLiteral = literal(trimCharacter, LiteralType.STRING_LITERAL);
            int startPosition = position(expression) + 4 + /* TRIM */
            (expression.hasLeftParenthesis() ? 1 : 0) + expression.getSpecification().getValue().length() + (expression.hasSpaceAfterSpecification() ? 1 : 0);
            int endPosition = startPosition + length(trimCharacter);
            if (ExpressionTools.stringIsEmpty(stringLiteral)) {
                addProblem(trimCharacter, startPosition, endPosition, TrimExpression_InvalidTrimCharacter);
            } else {
                stringLiteral = stringLiteral.substring(1, stringLiteral.length() - (stringLiteral.endsWith("'") ? 1 : 0));
                if (stringLiteral.length() != 1) {
                    addProblem(trimCharacter, startPosition, endPosition, TrimExpression_NotSingleStringLiteral);
                }
            }
        }
    }
}

Example 2 with TrimExpression

use of org.eclipse.persistence.jpa.jpql.parser.TrimExpression in project eclipselink by eclipse-ee4j.

the class ExpressionBuilderVisitor method visit.

@Override
public void visit(TrimExpression expression) {
    // Create the TRIM character expression
    expression.getTrimCharacter().accept(this);
    Expression trimCharacter = queryExpression;
    // Create the string to trim
    expression.getExpression().accept(this);
    Expression stringExpression = queryExpression;
    switch(expression.getSpecification()) {
        case LEADING:
            {
                if (trimCharacter != null) {
                    queryExpression = stringExpression.leftTrim(trimCharacter);
                } else {
                    queryExpression = stringExpression.leftTrim();
                }
                break;
            }
        case TRAILING:
            {
                if (trimCharacter != null) {
                    queryExpression = stringExpression.rightTrim(trimCharacter);
                } else {
                    queryExpression = stringExpression.rightTrim();
                }
                break;
            }
        default:
            {
                if (trimCharacter != null) {
                    queryExpression = stringExpression.trim(trimCharacter);
                } else {
                    queryExpression = stringExpression.trim();
                }
                break;
            }
    }
    // Set the expression type
    type[0] = String.class;
}

Example 3 with TrimExpression

use of org.eclipse.persistence.jpa.jpql.parser.TrimExpression in project eclipselink by eclipse-ee4j.

the class ReportItemBuilder method visit.

@Override
public void visit(TrimExpression expression) {
    Expression queryExpression = queryContext.buildExpression(expression, type);
    addAttribute(ExpressionTools.EMPTY_STRING, queryExpression, type[0]);
}

Example 4 with TrimExpression

use of org.eclipse.persistence.jpa.jpql.parser.TrimExpression in project eclipselink by eclipse-ee4j.

the class TrimExpressionStateObject method parse.

@Override
public void parse(String jpqlFragment) {
    StringBuilder sb = new StringBuilder();
    sb.append(TRIM);
    sb.append(LEFT_PARENTHESIS);
    sb.append(jpqlFragment);
    sb.append(RIGHT_PARENTHESIS);
    JPQLExpression jpqlExpression = new JPQLExpression(sb, getGrammar(), FunctionsReturningStringsBNF.ID, true);
    TrimExpression trimExpression = (TrimExpression) jpqlExpression.getQueryStatement();
    setSpecification(trimExpression.getSpecification());
    parseTrimCharacter(trimExpression.getTrimCharacter().toParsedText());
    super.parse(trimExpression.getExpression().toParsedText());
    // The trim character is actually the string primary
    if (!hasStateObject() && hasTrimCharacter()) {
        setStateObject(new StringLiteralStateObject(this, trimCharacter.toString()));
        trimCharacter = null;
    }
}

Example 5 with TrimExpression

use of org.eclipse.persistence.jpa.jpql.parser.TrimExpression in project eclipselink by eclipse-ee4j.

the class AbstractActualJPQLQueryFormatter method visit.

@Override
public void visit(TrimExpressionStateObject stateObject) {
    if (stateObject.isDecorated()) {
        toText(stateObject);
    } else {
        TrimExpression expression = stateObject.getExpression();
        // 'TRIM'
        appendIdentifier((expression != null) ? expression.getActualIdentifier() : stateObject.getIdentifier(), stateObject.getIdentifier());
        // '('
        if (shouldOutput(expression) || (expression != null && expression.hasLeftParenthesis())) {
            writer.append(LEFT_PARENTHESIS);
        } else if ((expression != null) && expression.hasSpaceAfterIdentifier()) {
            writer.append(SPACE);
        }
        // Trim specification
        if (stateObject.hasSpecification()) {
            String specification = stateObject.getSpecification().name();
            String actualSpecification = (expression != null) ? expression.getActualSpecificationIdentifier() : null;
            if (!specification.equalsIgnoreCase(actualSpecification)) {
                actualSpecification = specification;
            }
            appendIdentifier(actualSpecification, specification);
        }
        if (shouldOutput(expression) || expression.hasSpaceAfterSpecification()) {
            writer.append(SPACE);
        }
        // Trim character
        if (stateObject.hasTrimCharacter()) {
            stateObject.getTrimCharacter().accept(this);
            if (shouldOutput(expression) || expression.hasSpaceAfterTrimCharacter()) {
                writer.append(SPACE);
            }
        }
        // 'FROM'
        if (stateObject.hasSpecification() || stateObject.hasTrimCharacter()) {
            appendIdentifier((expression != null) ? expression.getActualFromIdentifier() : FROM, FROM);
            if (shouldOutput(expression) || expression.hasSpaceAfterFrom()) {
                writer.append(SPACE);
            }
        }
        // String primary
        if (stateObject.hasStateObject()) {
            stateObject.getStateObject().accept(this);
        }
        // ')'
        if (shouldOutput(expression) || expression.hasRightParenthesis()) {
            writer.append(RIGHT_PARENTHESIS);
        }
    }
}