001/**
002 * Copyright 2005-2018 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krad.datadictionary.validation.processor;
017
018import org.apache.commons.lang.StringUtils;
019import org.kuali.rice.krad.datadictionary.exception.AttributeValidationException;
020import org.kuali.rice.krad.datadictionary.validation.AttributeValueReader;
021import org.kuali.rice.krad.datadictionary.validation.ValidationUtils;
022import org.kuali.rice.krad.datadictionary.validation.constraint.Constraint;
023import org.kuali.rice.krad.datadictionary.validation.constraint.PrerequisiteConstraint;
024import org.kuali.rice.krad.datadictionary.validation.result.ConstraintValidationResult;
025import org.kuali.rice.krad.datadictionary.validation.result.DictionaryValidationResult;
026import org.kuali.rice.krad.datadictionary.validation.result.ProcessorResult;
027import org.kuali.rice.krad.uif.UifConstants;
028
029/**
030 * @author Kuali Rice Team (rice.collab@kuali.org)
031 */
032public class PrerequisiteConstraintProcessor extends BasePrerequisiteConstraintProcessor<PrerequisiteConstraint> {
033
034    private static final String CONSTRAINT_NAME = "prerequisite constraint";
035    private static final String FALLBACK_KEY = "prerequisiteFallback";
036
037    /**
038     * {@inheritDoc}
039     */
040    @Override
041    public ProcessorResult process(DictionaryValidationResult result, Object value, PrerequisiteConstraint constraint,
042            AttributeValueReader attributeValueReader) throws AttributeValidationException {
043
044        if (ValidationUtils.isNullOrEmpty(value)) {
045            return new ProcessorResult(result.addSkipped(attributeValueReader, CONSTRAINT_NAME));
046        }
047
048        ConstraintValidationResult constraintValidationResult = processPrerequisiteConstraint(constraint,
049                attributeValueReader);
050
051        if (constraint != null) {
052            if (StringUtils.isNotBlank(constraint.getMessageKey())) {
053                constraintValidationResult.setConstraintLabelKey(constraint.getMessageKey());
054            } else {
055                constraintValidationResult.setConstraintLabelKey(
056                        UifConstants.Messages.VALIDATION_MSG_KEY_PREFIX + FALLBACK_KEY);
057            }
058            constraintValidationResult.setErrorParameters(constraint.getValidationMessageParamsArray());
059        }
060
061        result.addConstraintValidationResult(attributeValueReader, constraintValidationResult);
062
063        return new ProcessorResult(constraintValidationResult);
064    }
065
066    @Override
067    public String getName() {
068        return CONSTRAINT_NAME;
069    }
070
071    /**
072     * @see org.kuali.rice.krad.datadictionary.validation.processor.ConstraintProcessor#getConstraintType()
073     */
074    @Override
075    public Class<? extends Constraint> getConstraintType() {
076        return PrerequisiteConstraint.class;
077    }
078
079}