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1   /**
2    * Copyright 2005-2012 The Kuali Foundation
3    *
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.opensource.org/licenses/ecl2.php
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.rice.krad.datadictionary.validation.processor;
17  
18  import org.kuali.rice.krad.datadictionary.exception.AttributeValidationException;
19  import org.kuali.rice.krad.datadictionary.validation.AttributeValueReader;
20  import org.kuali.rice.krad.datadictionary.validation.ValidationUtils;
21  import org.kuali.rice.krad.datadictionary.validation.constraint.Constraint;
22  import org.kuali.rice.krad.datadictionary.validation.constraint.PrerequisiteConstraint;
23  import org.kuali.rice.krad.datadictionary.validation.result.ConstraintValidationResult;
24  import org.kuali.rice.krad.datadictionary.validation.result.DictionaryValidationResult;
25  import org.kuali.rice.krad.datadictionary.validation.result.ProcessorResult;
26  
27  /**
28   * 
29   * @author Kuali Rice Team (rice.collab@kuali.org) 
30   */
31  public class PrerequisiteConstraintProcessor extends BasePrerequisiteConstraintProcessor<PrerequisiteConstraint> {
32  	
33  	private static final String CONSTRAINT_NAME = "prerequisite constraint";
34  
35  	
36  	/**
37  	 * @see org.kuali.rice.krad.datadictionary.validation.processor.ConstraintProcessor#process(DictionaryValidationResult, Object, org.kuali.rice.krad.datadictionary.validation.capability.Validatable, org.kuali.rice.krad.datadictionary.validation.AttributeValueReader)
38  	 */
39  	@Override
40  	public ProcessorResult process(DictionaryValidationResult result, Object value, PrerequisiteConstraint constraint, AttributeValueReader attributeValueReader) throws AttributeValidationException {
41  
42  		if (ValidationUtils.isNullOrEmpty(value))
43  			return new ProcessorResult(result.addSkipped(attributeValueReader, CONSTRAINT_NAME));
44  		
45          
46  		ConstraintValidationResult constraintValidationResult = processPrerequisiteConstraint(constraint, attributeValueReader);
47  
48          if(constraint != null){
49              constraintValidationResult.setConstraintLabelKey(constraint.getLabelKey());
50              constraintValidationResult.setErrorParameters(constraint.getValidationMessageParamsArray());
51          }
52  
53  		result.addConstraintValidationResult(attributeValueReader, constraintValidationResult);
54  		
55  		return new ProcessorResult(constraintValidationResult);
56  	}
57  
58  	@Override 
59  	public String getName() {
60  		return CONSTRAINT_NAME;
61  	}
62  	
63  	/**
64  	 * @see org.kuali.rice.krad.datadictionary.validation.processor.ConstraintProcessor#getConstraintType()
65  	 */
66  	@Override
67  	public Class<? extends Constraint> getConstraintType() {
68  		return PrerequisiteConstraint.class;
69  	}
70  
71  }