Coverage Report - org.kuali.student.contract.model.validation.ConstraintValidator
 
Classes in this File Line Coverage Branch Coverage Complexity
ConstraintValidator
0%
0/55
0%
0/36
4
 
 1  
 /*
 2  
  * Copyright 2009 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.osedu.org/licenses/ECL-2.0
 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.student.contract.model.validation;
 17  
 
 18  
 import org.kuali.student.contract.model.Constraint;
 19  
 
 20  
 import java.util.ArrayList;
 21  
 import java.util.Collection;
 22  
 import java.util.List;
 23  
 
 24  
 /**
 25  
  * This validates a constraint.
 26  
  * @author nwright
 27  
  */
 28  
 public class ConstraintValidator implements ModelValidator {
 29  
 
 30  
     private Constraint cons;
 31  
 
 32  0
     public ConstraintValidator(Constraint cons) {
 33  0
         this.cons = cons;
 34  0
     }
 35  
     private Collection errors;
 36  
 
 37  
     @Override
 38  
     public Collection<String> validate() {
 39  0
         this.errors = new ArrayList();
 40  0
         validateMinMaxLength();
 41  0
         validateMinMaxOccurs();
 42  0
         validateMinMaxValue();
 43  0
         return this.errors;
 44  
     }
 45  
 
 46  
     private void validateMinMaxLength() {
 47  0
         if (!cons.getMinLength().equals("")) {
 48  0
             int min = parseIntError(cons.getMinLength(), "minLength");
 49  0
             if (min < 0) {
 50  0
                 this.addError("minLength is less than zero");
 51  
             }
 52  0
             if (!cons.getMaxLength().equals("")) {
 53  0
                 int max = parseIntError(cons.getMaxLength(), "maxLength");
 54  0
                 if (min < 0) {
 55  0
                     this.addError("maxLength is less than zero");
 56  
                 }
 57  
 
 58  0
                 if (min > max) {
 59  0
                     addError("minLength exceeds the maxLength");
 60  
                 }
 61  
             }
 62  
         }
 63  0
     }
 64  
 
 65  
     private void validateMinMaxOccurs() {
 66  0
         if (!cons.getMinOccurs().equals("")) {
 67  0
             int min = parseIntError(cons.getMinOccurs(), "minOccurs");
 68  0
             if (min < 0) {
 69  0
                 this.addError("minOccurs is less than zero");
 70  
             }
 71  0
             if (!cons.getMaxOccurs().equals("")) {
 72  0
                 int max = parseIntError(cons.getMaxOccurs(), "maxOccurs");
 73  0
                 if (max < 0) {
 74  0
                     this.addError("maxOccurs is less than zero");
 75  
                 }
 76  0
                 if (min > max) {
 77  0
                     addError("minOccurs exceeds the maxOccurs");
 78  
                 }
 79  
             }
 80  
         }
 81  0
     }
 82  
 
 83  
     private void validateMinMaxValue() {
 84  0
         if (!cons.getMinValue().equals("")) {
 85  0
             int min = parseIntError(cons.getMinValue(), "minValue");
 86  0
             if (min < 0) {
 87  0
                 this.addError("minValue is less than zero");
 88  
             }
 89  0
             if (!cons.getMaxValue().equals("")) {
 90  0
                 int max = parseIntError(cons.getMaxValue(), "maxValue");
 91  0
                 if (max < 0) {
 92  0
                     this.addError("maxOccurs is less than zero");
 93  
                 }
 94  0
                 if (min > max) {
 95  0
                     addError("minOccurs exceeds the maxOccurs");
 96  
                 }
 97  
             }
 98  
         }
 99  0
     }
 100  
 
 101  
     private int parseIntError(String value, String field) {
 102  0
         if (value.equals("")) {
 103  0
             return 0;
 104  
         }
 105  
         try {
 106  0
             int val = Integer.parseInt(value);
 107  0
             return val;
 108  0
         } catch (NumberFormatException ex) {
 109  0
             addError(field + " is [" + value + "] not an integer");
 110  0
             return 0;
 111  
         }
 112  
     }
 113  
 
 114  
     private void addError(String msg) {
 115  0
         String id = cons.getId();
 116  0
         if (id.equals("")) {
 117  0
             id = cons.getKey();
 118  
         }
 119  0
         String error = "Error in constraint " + id + ": " + msg;
 120  0
         if (!errors.contains(error)) {
 121  0
             errors.add(error);
 122  
         }
 123  0
     }
 124  
 }