Examples with BeanValidationFailure org.apache.cayenne.validation.BeanValidationFailure used on opensource projects

Example 1 with BeanValidationFailure

use of org.apache.cayenne.validation.BeanValidationFailure in project cayenne by apache.

the class BaseDataObject method validateForSave.

/**
 * Performs property validation of the object, appending any validation
 * failures to the provided validationResult object. This method is invoked
 * from "validateFor.." before committing a NEW or MODIFIED object to the
 * database. Validation includes checking for null values and value sizes.
 * CayenneDataObject subclasses may override this method, calling super.
 *
 * @since 1.1
 */
protected void validateForSave(ValidationResult validationResult) {
    ObjEntity objEntity = getObjectContext().getEntityResolver().getObjEntity(this);
    if (objEntity == null) {
        throw new CayenneRuntimeException("No ObjEntity mapping found for DataObject %s", getClass().getName());
    }
    // validate mandatory attributes
    Map<String, ValidationFailure> failedDbAttributes = null;
    for (ObjAttribute next : objEntity.getAttributes()) {
        // TODO: andrus, 2/20/2007 - handle embedded attribute
        if (next instanceof EmbeddedAttribute) {
            continue;
        }
        DbAttribute dbAttribute = next.getDbAttribute();
        if (dbAttribute == null) {
            throw new CayenneRuntimeException("ObjAttribute '%s" + "' does not have a corresponding DbAttribute", next.getName());
        }
        // pk may still be generated
        if (dbAttribute.isPrimaryKey()) {
            continue;
        }
        Object value = this.readPropertyDirectly(next.getName());
        if (dbAttribute.isMandatory()) {
            ValidationFailure failure = BeanValidationFailure.validateNotNull(this, next.getName(), value);
            if (failure != null) {
                if (failedDbAttributes == null) {
                    failedDbAttributes = new HashMap<>();
                }
                failedDbAttributes.put(dbAttribute.getName(), failure);
                continue;
            }
        }
        // validate length
        if (value != null && dbAttribute.getMaxLength() > 0) {
            if (value.getClass().isArray()) {
                int len = Array.getLength(value);
                if (len > dbAttribute.getMaxLength()) {
                    String message = "\"" + next.getName() + "\" exceeds maximum allowed length (" + dbAttribute.getMaxLength() + " bytes): " + len;
                    validationResult.addFailure(new BeanValidationFailure(this, next.getName(), message));
                }
            } else if (value instanceof CharSequence) {
                int len = ((CharSequence) value).length();
                if (len > dbAttribute.getMaxLength()) {
                    String message = "\"" + next.getName() + "\" exceeds maximum allowed length (" + dbAttribute.getMaxLength() + " chars): " + len;
                    validationResult.addFailure(new BeanValidationFailure(this, next.getName(), message));
                }
            }
        }
    }
    // validate mandatory relationships
    for (final ObjRelationship relationship : objEntity.getRelationships()) {
        List<DbRelationship> dbRels = relationship.getDbRelationships();
        if (dbRels.isEmpty()) {
            continue;
        }
        // see ObjRelationship.recalculateReadOnlyValue() for more info
        if (relationship.isSourceIndependentFromTargetChange()) {
            continue;
        }
        // if db relationship is not based on a PK and is based on mandatory
        // attributes, see if we have a target object set
        // relationship will be validated only if all db path has mandatory
        // db relationships
        boolean validate = true;
        for (DbRelationship dbRelationship : dbRels) {
            for (DbJoin join : dbRelationship.getJoins()) {
                DbAttribute source = join.getSource();
                if (source.isMandatory()) {
                    // clear attribute failures...
                    if (failedDbAttributes != null && !failedDbAttributes.isEmpty()) {
                        failedDbAttributes.remove(source.getName());
                    }
                } else {
                    // do not validate if the relation is based on
                    // multiple keys with some that can be nullable.
                    validate = false;
                }
            }
        }
        if (validate) {
            Object value = this.readPropertyDirectly(relationship.getName());
            ValidationFailure failure = BeanValidationFailure.validateNotNull(this, relationship.getName(), value);
            if (failure != null) {
                validationResult.addFailure(failure);
            }
        }
    }
    // deal with previously found attribute failures...
    if (failedDbAttributes != null && !failedDbAttributes.isEmpty()) {
        for (ValidationFailure failure : failedDbAttributes.values()) {
            validationResult.addFailure(failure);
        }
    }
}

Example 2 with BeanValidationFailure

use of org.apache.cayenne.validation.BeanValidationFailure in project cayenne by apache.

the class CayenneDataObjectValidationIT method testValidateForSaveAttributeTooLong.

@Test
public void testValidateForSaveAttributeTooLong() throws Exception {
    Artist artist = context.newObject(Artist.class);
    DbEntity entity = context.getEntityResolver().getObjEntity(artist).getDbEntity();
    int len = entity.getAttribute("ARTIST_NAME").getMaxLength();
    StringBuffer buf = new StringBuffer(len);
    for (int i = 0; i < len + 1; i++) {
        buf.append("c");
    }
    artist.setArtistName(buf.toString());
    ValidationResult result = new ValidationResult();
    artist.validateForSave(result);
    assertTrue(result.hasFailures());
    assertTrue(result.hasFailures(artist));
    List<ValidationFailure> failures = result.getFailures();
    assertEquals(1, failures.size());
    BeanValidationFailure failure = (BeanValidationFailure) failures.get(0);
    assertEquals(Artist.ARTIST_NAME.getName(), failure.getProperty());
    // fix the problem and see if it goes away
    artist.setArtistName("aa");
    result = new ValidationResult();
    artist.validateForSave(result);
    assertFalse(result.hasFailures());
}

Example 3 with BeanValidationFailure

use of org.apache.cayenne.validation.BeanValidationFailure in project cayenne by apache.

the class CayenneDataObjectValidationIT method testValidateForSaveMandatoryAttributeMissing.

@Test
public void testValidateForSaveMandatoryAttributeMissing() throws Exception {
    Artist artist = context.newObject(Artist.class);
    ValidationResult result = new ValidationResult();
    artist.validateForSave(result);
    assertTrue("Validation of 'artistName' should've failed.", result.hasFailures());
    assertTrue(result.hasFailures(artist));
    List<ValidationFailure> failures = result.getFailures();
    assertEquals(1, failures.size());
    BeanValidationFailure failure = (BeanValidationFailure) failures.get(0);
    assertEquals(Artist.ARTIST_NAME.getName(), failure.getProperty());
    // fix the problem and see if it goes away
    artist.setArtistName("aa");
    result = new ValidationResult();
    artist.validateForSave(result);
    assertFalse(result.hasFailures());
}

Example 4 with BeanValidationFailure

use of org.apache.cayenne.validation.BeanValidationFailure in project cayenne by apache.

the class GeneratorController method validateRelationship.

protected ValidationFailure validateRelationship(ObjRelationship relationship, boolean clientValidation) {
    String name = relationship.getSourceEntity().getName();
    ValidationFailure emptyName = BeanValidationFailure.validateNotEmpty(name, "relationship.name", relationship.getName());
    if (emptyName != null) {
        return emptyName;
    }
    ValidationFailure badName = CodeValidationUtil.validateJavaIdentifier(name, "relationship.name", relationship.getName());
    if (badName != null) {
        return badName;
    }
    if (!relationship.isToMany()) {
        ObjEntity targetEntity = relationship.getTargetEntity();
        if (clientValidation && targetEntity != null) {
            targetEntity = targetEntity.getClientEntity();
        }
        if (targetEntity == null) {
            return new BeanValidationFailure(name, "relationship.targetEntity", "No target entity");
        } else if (!targetEntity.isGeneric()) {
            ValidationFailure emptyClass = BeanValidationFailure.validateNotEmpty(name, "relationship.targetEntity.className", targetEntity.getClassName());
            if (emptyClass != null) {
                return emptyClass;
            }
            ValidationFailure badClass = BeanValidationFailure.validateJavaClassName(name, "relationship.targetEntity.className", targetEntity.getClassName());
            if (badClass != null) {
                return badClass;
            }
        }
    }
    return null;
}

Example 5 with BeanValidationFailure

use of org.apache.cayenne.validation.BeanValidationFailure in project cayenne by apache.

the class CayenneDataObjectValidationIT method testValidateForSaveMandatoryToOneMissing.

@Test
public void testValidateForSaveMandatoryToOneMissing() throws Exception {
    Exhibit exhibit = context.newObject(Exhibit.class);
    exhibit.setOpeningDate(new Date());
    exhibit.setClosingDate(new Date());
    ValidationResult result = new ValidationResult();
    exhibit.validateForSave(result);
    assertTrue("Validation of 'toGallery' should've failed.", result.hasFailures());
    assertTrue(result.hasFailures(exhibit));
    List<ValidationFailure> failures = result.getFailures();
    assertEquals(1, failures.size());
    BeanValidationFailure failure = (BeanValidationFailure) failures.get(0);
    assertEquals(Exhibit.TO_GALLERY.getName(), failure.getProperty());
    // fix the problem and see if it goes away
    Gallery gallery = context.newObject(Gallery.class);
    exhibit.setToGallery(gallery);
    result = new ValidationResult();
    exhibit.validateForSave(result);
    assertFalse("No failures expected: " + result, result.hasFailures());
}