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How to use MetaBasedValidation class of com.galenframework.validation package

Best Galen code snippet using com.galenframework.validation.MetaBasedValidation

Source:SpecValidationInside.java

...46        for (Location location : spec.getLocations()) {47            Range range = location.getRange();48            List<String> perLocationErrors = new LinkedList<>();49            for (Side side : location.getSides()) {50                SimpleValidationResult svr = MetaBasedValidation.forObjectsWithRange(objectName, spec.getObject(), range)51                        .withBothEdges(side)52                        .withInvertedCalculation(side == Side.RIGHT || side == Side.BOTTOM)53                        .validate(mainArea, secondArea, pageValidation, side);54                meta.add(svr.getMeta());55                if (svr.isError()) {56                    perLocationErrors.add(svr.getError());57                }58            }59            if (!perLocationErrors.isEmpty()) {60                errorMessages.add(format("%s %s", joinMessages(perLocationErrors, " and "), range.getErrorMessageSuffix()));61            }62        }63        if (errorMessages.size() > 0) {64            throw new ValidationErrorException()...

Source:MetaBasedValidation.java

...23/**24 * This class is used in order to validate distance between edges of two objects.25 * It is used by different specs so that it can also construct layout meta for each validation26 */27public class MetaBasedValidation {28    private final String firstObject;29    private final String secondObject;30    private final Range expectedRange;31    private Side firstEdge = Side.LEFT;32    private Side secondEdge = Side.LEFT;33    private boolean isInverted = false;34    private MetaBasedValidation(String firstObject, String secondObject, Range expectedRange) {35        this.firstObject = firstObject;36        this.secondObject = secondObject;37        this.expectedRange = expectedRange;38    }39    public static MetaBasedValidation forObjectsWithRange(String firstObject, String secondObject, Range expectedRange) {40        return new MetaBasedValidation(firstObject, secondObject, expectedRange);41    }42    public MetaBasedValidation withBothEdges(Side side) {43        this.firstEdge = side;44        this.secondEdge = side;45        return this;46    }47    public SimpleValidationResult validate(Rect firstArea, Rect secondArea, PageValidation pageValidation, String direction) {48        int offset = getOffset(firstArea, secondArea);49        double calculatedOffset = pageValidation.convertValue(expectedRange, offset);50        ;51        if (!expectedRange.holds(calculatedOffset)) {52            if (expectedRange.isPercentage()) {53                int precision = expectedRange.findPrecision();54                String actualDistance = format("%s%% [%dpx]", new RangeValue(calculatedOffset, precision).toString(), offset);55                return SimpleValidationResult.error(56                    format("%s %s", actualDistance, direction),57                    LayoutMeta.distance(firstObject, firstEdge, secondObject, secondEdge, expectedRange.prettyString("%"), actualDistance)58                );59            } else {60                return SimpleValidationResult.error(61                    format("%dpx %s", offset, direction),62                    LayoutMeta.distance(firstObject, firstEdge, secondObject, secondEdge, expectedRange.prettyString(), offset + "px")63                );64            }65        }66        return SimpleValidationResult.success(LayoutMeta.distance(firstObject, firstEdge, secondObject, secondEdge, expectedRange.prettyString(), offset + "px"));67    }68    private int getOffset(Rect firstArea, Rect secondArea) {69        int offset = firstArea.getEdgePosition(firstEdge) - secondArea.getEdgePosition(secondEdge);70        if (isInverted) {71            return -offset;72        } else {73            return offset;74        }75    }76    public MetaBasedValidation withInvertedCalculation(boolean isInverted) {77        this.isInverted = isInverted;78        return this;79    }80    public MetaBasedValidation withFirstEdge(Side firstEdge) {81        this.firstEdge = firstEdge;82        return this;83    }84    public MetaBasedValidation withSecondEdge(Side secondEdge) {85        this.secondEdge = secondEdge;86        return this;87    }88}...

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