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package org.kuali.rice.core.api.criteria; |
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import org.apache.commons.lang.StringUtils; |
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import org.kuali.rice.core.api.search.SearchOperator; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.List; |
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import java.util.Map; |
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import static org.kuali.rice.core.api.criteria.PredicateFactory.*; |
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public final class PredicateUtils { |
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|
| 30 | 0 | private PredicateUtils() { |
| 31 | 0 | throw new UnsupportedOperationException("do not call"); |
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} |
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|
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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); |
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|
| 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())); |
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} else { |
| 49 | 0 | tempPredicates.add(isNull(entry.getKey())); |
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} |
| 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]), |
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lessThan(entry.getKey(), betweenVals[1]))); |
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} |
| 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]), |
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lessThanOrEqual(entry.getKey(), betweenVals[1]))); |
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} |
| 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(), ""))); |
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|
| 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(), ""))); |
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} |
| 78 | 0 | tempPredicates.add(and(notPreds.toArray(new Predicate[notPreds.size()]))); |
| 79 | 0 | } else if (value.contains(SearchOperator.LIKE_MANY.op()) |
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|| (value.contains(SearchOperator.LIKE_ONE.op()))) { |
| 81 | 0 | if (isNot(value)) { |
| 82 | 0 | tempPredicates.add(notLike(entry.getKey(), value )); |
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} else { |
| 84 | 0 | tempPredicates.add(like(entry.getKey(), value )); |
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} |
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} else { |
| 87 | 0 | if (isNot(value)) { |
| 88 | 0 | tempPredicates.add(notEqual(entry.getKey(), value)); |
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} else { |
| 90 | 0 | tempPredicates.add(equal(entry.getKey(), value)); |
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} |
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} |
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} |
| 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()]))); |
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} else { |
| 99 | 0 | p.addAll(tempPredicates); |
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} |
| 101 | 0 | } |
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} |
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|
| 104 | 0 | return and(p.toArray(new Predicate[p.size()])); |
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} |
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private static void getValueRecursive(String valueEntered, List<String> lRet) { |
| 108 | 0 | if(valueEntered == null) { |
| 109 | 0 | return; |
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} |
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|
| 112 | 0 | valueEntered = valueEntered.trim(); |
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|
| 114 | 0 | if(lRet == null){ |
| 115 | 0 | throw new NullPointerException("The list passed in is by reference and should never be null."); |
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} |
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|
| 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); |
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} |
| 123 | 0 | return; |
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} |
| 125 | 0 | if (StringUtils.contains(valueEntered, SearchOperator.AND.op())) { |
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|
| 127 | 0 | List<String> l = Arrays.asList(StringUtils.split(valueEntered, SearchOperator.AND.op())); |
| 128 | 0 | for(String value : l){ |
| 129 | 0 | getValueRecursive(value, lRet); |
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} |
| 131 | 0 | return; |
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} |
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|
| 135 | 0 | lRet.add(valueEntered); |
| 136 | 0 | } |
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private static boolean isNot(String value) { |
| 139 | 0 | if (value == null) { |
| 140 | 0 | return false; |
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} |
| 142 | 0 | return value.contains(SearchOperator.NOT.op()); |
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} |
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} |
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