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[BAEL-9557] - Modified not null checks with Objects::nonNull and Collector.toList()

This commit is contained in:
amit2103 2018-10-28 00:50:45 +05:30
parent 4955159975
commit 1e7f8c47bf
5 changed files with 9 additions and 10 deletions
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3
spring-rest-query-language/src/main/java/org/baeldung/persistence/dao/MyUserPredicatesBuilder.java
View File

@ -2,6 +2,7 @@ package org.baeldung.persistence.dao;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
import org.baeldung.web.util.SearchCriteria;
@ -29,7 +30,7 @@ public final class MyUserPredicatesBuilder {
final List<BooleanExpression> predicates = params.stream().map(param -> {
MyUserPredicate predicate = new MyUserPredicate(param);
return predicate.getPredicate();
}).filter(predicate -> predicate != null).collect(Collectors.toCollection(ArrayList::new));
}).filter(Objects::nonNull).collect(Collectors.toList());
BooleanExpression result = Expressions.asBoolean(true).isTrue();
for (BooleanExpression predicate : predicates) {

2
spring-rest-query-language/src/main/java/org/baeldung/persistence/dao/UserSpecificationsBuilder.java
View File

@ -51,7 +51,7 @@ public final class UserSpecificationsBuilder {
final List<Specification<User>> specs = params.stream()
.map(UserSpecification::new)
.collect(Collectors.toCollection(ArrayList::new));
.collect(Collectors.toList());
Specification<User> result = specs.get(0);

6
spring-rest-query-language/src/main/java/org/baeldung/persistence/dao/rsql/GenericRsqlSpecBuilder.java
View File

@ -1,7 +1,7 @@
package org.baeldung.persistence.dao.rsql;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
import org.springframework.data.jpa.domain.Specifications;
@ -28,8 +28,8 @@ public class GenericRsqlSpecBuilder<T> {
List<Specifications<T>> specs = logicalNode.getChildren()
.stream()
.map(node -> createSpecification(node))
.filter(specifications -> specifications != null)
.collect(Collectors.toCollection(ArrayList::new));
.filter(Objects::nonNull)
.collect(Collectors.toList());
Specifications<T> initialSpec = specs.stream().findFirst().get();

3
spring-rest-query-language/src/main/java/org/baeldung/persistence/dao/rsql/GenericRsqlSpecification.java
View File

@ -1,6 +1,5 @@
package org.baeldung.persistence.dao.rsql;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
@ -89,7 +88,7 @@ public class GenericRsqlSpecification<T> implements Specification<T> {
}
return obj;
}).collect(Collectors.toCollection(ArrayList::new));
}).collect(Collectors.toList());
return args;
}

5
spring-rest-query-language/src/main/java/org/baeldung/web/controller/UserController.java
View File

@ -2,7 +2,6 @@ package org.baeldung.web.controller;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -64,7 +63,7 @@ public class UserController {
@ResponseBody
public List<User> findAll(@RequestParam(value = "search", required = false) String search) {
List<SearchCriteria> params = new ArrayList<SearchCriteria>();
if (Optional.ofNullable(search).isPresent()) {
if (search != null) {
Pattern pattern = Pattern.compile("(\\w+?)(:|<|>)(\\w+?),");
Matcher matcher = pattern.matcher(search + ",");
while (matcher.find()) {
@ -127,7 +126,7 @@ public class UserController {
@ResponseBody
public Iterable<MyUser> findAllByQuerydsl(@RequestParam(value = "search") String search) {
MyUserPredicatesBuilder builder = new MyUserPredicatesBuilder();
if (Optional.ofNullable(search).isPresent()) {
if (search != null) {
Pattern pattern = Pattern.compile("(\\w+?)(:|<|>)(\\w+?),");
Matcher matcher = pattern.matcher(search + ",");
while (matcher.find()) {