Coverage Report - org.kuali.rice.core.api.criteria.PredicateUtils
 
Classes in this File Line Coverage Branch Coverage Complexity
PredicateUtils
0%
0/70
0%
0/56
9.5
 
 1  
 /**
 2  
  * Copyright 2005-2011 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.core.api.criteria;
 17  
 
 18  
 import org.apache.commons.lang.StringUtils;
 19  
 import org.kuali.rice.core.api.search.SearchOperator;
 20  
 
 21  
 import java.util.ArrayList;
 22  
 import java.util.Arrays;
 23  
 import java.util.List;
 24  
 import java.util.Map;
 25  
 
 26  
 import static org.kuali.rice.core.api.criteria.PredicateFactory.*;
 27  
 
 28  
 public final class PredicateUtils {
 29  
 
 30  0
     private PredicateUtils() {
 31  0
         throw new UnsupportedOperationException("do not call");
 32  
     }
 33  
 
 34  
     public static Predicate convertMapToPredicate(Map<String, String> criteria) {
 35  0
         List<Predicate> p = new ArrayList<Predicate>();
 36  0
         for (Map.Entry<String, String> entry : criteria.entrySet()) {
 37  0
             if (StringUtils.isNotBlank(entry.getValue())) {
 38  0
                 List<String> values = new ArrayList<String>();
 39  0
                 getValueRecursive(entry.getValue(), values);
 40  0
                 List<Predicate> tempPredicates = new ArrayList<Predicate>();
 41  0
                 p.addAll(tempPredicates);
 42  
 
 43  
                 // TODO: how to handle different types of data when everything comes in as string....
 44  0
                 for (String value : values) {
 45  0
                     if (value.contains(SearchOperator.NULL.op())) {
 46  0
                         if (isNot(value)) {
 47  0
                             tempPredicates.add(isNotNull(entry.getKey()));
 48  
                         } else {
 49  0
                             tempPredicates.add(isNull(entry.getKey()));
 50  
                         }
 51  0
                     } else if (value.contains(SearchOperator.BETWEEN_EXCLUSIVE_UPPER.op())) {
 52  0
                         String[] betweenVals = StringUtils.split(value, SearchOperator.BETWEEN_EXCLUSIVE_UPPER.op());
 53  0
                         if (betweenVals.length == 2) {
 54  0
                             tempPredicates.add(and(greaterThanOrEqual(entry.getKey(), betweenVals[0]),
 55  
                                                    lessThan(entry.getKey(), betweenVals[1])));
 56  
                         }
 57  0
                     } else if (value.contains(SearchOperator.BETWEEN.op())) {
 58  0
                         String[] betweenVals = StringUtils.split(value, SearchOperator.BETWEEN.op());
 59  0
                         if (betweenVals.length == 2) {
 60  0
                             tempPredicates.add(and(greaterThanOrEqual(entry.getKey(), betweenVals[0]),
 61  
                                                    lessThanOrEqual(entry.getKey(), betweenVals[1])));
 62  
                         }
 63  0
                     } else if (value.contains(SearchOperator.GREATER_THAN_EQUAL.op())) {
 64  0
                         tempPredicates.add(greaterThanOrEqual(entry.getKey(), StringUtils.replace(value, SearchOperator.GREATER_THAN_EQUAL.op(), "")));
 65  0
                     } else if (value.contains(SearchOperator.LESS_THAN_EQUAL.op())) {
 66  0
                         tempPredicates.add(lessThanOrEqual(entry.getKey(), StringUtils.replace(value, SearchOperator.LESS_THAN_EQUAL.op(), "")));
 67  0
                     } else if (value.contains(SearchOperator.GREATER_THAN.op())) {
 68  0
                         tempPredicates.add(greaterThan(entry.getKey(), StringUtils.replace(value, SearchOperator.GREATER_THAN.op(), "")));
 69  0
                     } else if (value.contains(SearchOperator.LESS_THAN.op())) {
 70  0
                         tempPredicates.add(lessThan(entry.getKey(), StringUtils.replace(value, SearchOperator.LESS_THAN.op(), "")));
 71  
 
 72  0
                     } else if (value.contains(SearchOperator.NOT.op())) {
 73  0
                         String[] notValues = StringUtils.split(value, SearchOperator.NOT.op());
 74  0
                         List<Predicate> notPreds = new ArrayList<Predicate>(notValues.length);
 75  0
                         for (String notValue : notValues) {
 76  0
                             notPreds.add(notEqual(entry.getKey(), StringUtils.replace(notValue, SearchOperator.NOT.op(), "")));
 77  
                         }
 78  0
                         tempPredicates.add(and(notPreds.toArray(new Predicate[notPreds.size()])));
 79  0
                     } else if (value.contains(SearchOperator.LIKE_MANY.op())
 80  
                                 || (value.contains(SearchOperator.LIKE_ONE.op()))) {
 81  0
                         if (isNot(value)) {
 82  0
                             tempPredicates.add(notLike(entry.getKey(), value ));
 83  
                         } else {
 84  0
                             tempPredicates.add(like(entry.getKey(), value ));
 85  
                         }
 86  
                     } else {
 87  0
                         if (isNot(value)) {
 88  0
                             tempPredicates.add(notEqual(entry.getKey(), value));
 89  
                         } else {
 90  0
                             tempPredicates.add(equal(entry.getKey(), value));
 91  
                         }
 92  
                     }
 93  
                 }
 94  0
                 if (entry.getValue().contains(SearchOperator.AND.op())) {
 95  0
                     p.add(and(tempPredicates.toArray(new Predicate[tempPredicates.size()])));
 96  0
                 } else if (entry.getValue().contains(SearchOperator.OR.op())) {
 97  0
                     p.add(or(tempPredicates.toArray(new Predicate[tempPredicates.size()])));
 98  
                 } else {
 99  0
                     p.addAll(tempPredicates);
 100  
                 }
 101  0
             }
 102  
         }
 103  
         //wrap everything in an 'and'
 104  0
         return and(p.toArray(new Predicate[p.size()]));
 105  
     }
 106  
 
 107  
     private static void getValueRecursive(String valueEntered, List<String> lRet) {
 108  0
                  if(valueEntered == null) {
 109  0
                          return;
 110  
                  }
 111  
 
 112  0
                  valueEntered = valueEntered.trim();
 113  
 
 114  0
                  if(lRet == null){
 115  0
                          throw new NullPointerException("The list passed in is by reference and should never be null.");
 116  
                  }
 117  
 
 118  0
                  if (StringUtils.contains(valueEntered, SearchOperator.OR.op())) {
 119  0
                          List<String> l = Arrays.asList(StringUtils.split(valueEntered, SearchOperator.OR.op()));
 120  0
                          for(String value : l){
 121  0
                                  getValueRecursive(value, lRet);
 122  
                          }
 123  0
                          return;
 124  
                  }
 125  0
                  if (StringUtils.contains(valueEntered, SearchOperator.AND.op())) {
 126  
                          //splitValueList.addAll(Arrays.asList(StringUtils.split(valueEntered, KRADConstants.AND.op())));
 127  0
                          List<String> l = Arrays.asList(StringUtils.split(valueEntered, SearchOperator.AND.op()));
 128  0
                          for(String value : l){
 129  0
                                  getValueRecursive(value, lRet);
 130  
                          }
 131  0
                          return;
 132  
                  }
 133  
 
 134  
                  // lRet is pass by ref and should NEVER be null
 135  0
                  lRet.add(valueEntered);
 136  0
     }
 137  
 
 138  
     private static boolean isNot(String value) {
 139  0
         if (value == null) {
 140  0
             return false;
 141  
         }
 142  0
         return value.contains(SearchOperator.NOT.op());
 143  
     }
 144  
 }
 145  
 
 146