fix boot 2 upgrade, rename package

spring-rest-angular/src/main/resources/application.properties

@@ -1,4 +1,4 @@
-server.contextPath=/
+server.servlet.contextPath=/
 spring.h2.console.enabled=true
 logging.level.org.hibernate.SQL=info
 spring.jpa.hibernate.ddl-auto=none

spring-rest-full/src/main/resources/application.properties

@@ -1,3 +1,3 @@
 server.port=8082
-server.servlet.context-path=/spring-rest-full
+server.context-path=/spring-rest-full
 endpoints.metrics.enabled=true

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/GenericSpecificationsBuilder.java

@@ -1,4 +1,4 @@
-package org.baeldung.persistence.dao;
+package com.baeldung.persistence.dao;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -8,10 +8,10 @@ import java.util.List;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
-import org.baeldung.web.util.SearchOperation;
-import org.baeldung.web.util.SpecSearchCriteria;
 import org.springframework.data.jpa.domain.Specification;
-import org.springframework.data.jpa.domain.Specifications;
+
+import com.baeldung.web.util.SearchOperation;
+import com.baeldung.web.util.SpecSearchCriteria;
 
 public class GenericSpecificationsBuilder<U> {
 
@@ -61,11 +61,12 @@ public class GenericSpecificationsBuilder<U> {
         for (int idx = 1; idx < specs.size(); idx++) {
             result = params.get(idx)
                 .isOrPredicate()
-                    ? Specifications.where(result)
+                    ? Specification.where(result)
                         .or(specs.get(idx))
-                    : Specifications.where(result)
+                    : Specification.where(result)
                         .and(specs.get(idx));
         }
+        
         return result;
     }
 
@@ -84,10 +85,10 @@ public class GenericSpecificationsBuilder<U> {
                 Specification<U> operand1 = specStack.pop();
                 Specification<U> operand2 = specStack.pop();
                 if (mayBeOperand.equals(SearchOperation.AND_OPERATOR))
-                    specStack.push(Specifications.where(operand1)
+                    specStack.push(Specification.where(operand1)
                         .and(operand2));
                 else if (mayBeOperand.equals(SearchOperation.OR_OPERATOR))
-                    specStack.push(Specifications.where(operand1)
+                    specStack.push(Specification.where(operand1)
                         .or(operand2));
             }
 

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/IUserDAO.java

@@ -1,9 +1,9 @@
-package org.baeldung.persistence.dao;
+package com.baeldung.persistence.dao;
 
 import java.util.List;
 
-import org.baeldung.persistence.model.User;
+import com.baeldung.persistence.model.User;
-import org.baeldung.web.util.SearchCriteria;
+import com.baeldung.web.util.SearchCriteria;
 
 public interface IUserDAO {
     List<User> searchUser(List<SearchCriteria> params);

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/MyUserPredicate.java

@@ -1,8 +1,7 @@
-package org.baeldung.persistence.dao;
+package com.baeldung.persistence.dao;
-
-import org.baeldung.persistence.model.MyUser;
-import org.baeldung.web.util.SearchCriteria;
 
+import com.baeldung.persistence.model.MyUser;
+import com.baeldung.web.util.SearchCriteria;
 import com.querydsl.core.types.dsl.BooleanExpression;
 import com.querydsl.core.types.dsl.NumberPath;
 import com.querydsl.core.types.dsl.PathBuilder;

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/MyUserPredicatesBuilder.java

@@ -1,12 +1,11 @@
-package org.baeldung.persistence.dao;
+package com.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;
+import com.baeldung.web.util.SearchCriteria;
-
 import com.querydsl.core.types.dsl.BooleanExpression;
 import com.querydsl.core.types.dsl.Expressions;
 

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/MyUserRepository.java

@@ -1,6 +1,5 @@
-package org.baeldung.persistence.dao;
+package com.baeldung.persistence.dao;
 
-import org.baeldung.persistence.model.MyUser;
 import org.baeldung.persistence.model.QMyUser;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.querydsl.QuerydslPredicateExecutor;
@@ -8,6 +7,7 @@ import org.springframework.data.querydsl.binding.QuerydslBinderCustomizer;
 import org.springframework.data.querydsl.binding.QuerydslBindings;
 import org.springframework.data.querydsl.binding.SingleValueBinding;
 
+import com.baeldung.persistence.model.MyUser;
 import com.querydsl.core.types.dsl.StringExpression;
 import com.querydsl.core.types.dsl.StringPath;
 

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserDAO.java

@@ -1,4 +1,4 @@
-package org.baeldung.persistence.dao;
+package com.baeldung.persistence.dao;
 
 import java.util.List;
 
@@ -9,10 +9,11 @@ import javax.persistence.criteria.CriteriaQuery;
 import javax.persistence.criteria.Predicate;
 import javax.persistence.criteria.Root;
 
-import org.baeldung.persistence.model.User;
-import org.baeldung.web.util.SearchCriteria;
 import org.springframework.stereotype.Repository;
 
+import com.baeldung.persistence.model.User;
+import com.baeldung.web.util.SearchCriteria;
+
 @Repository
 public class UserDAO implements IUserDAO {
 

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserRepository.java

@@ -1,9 +1,10 @@
-package org.baeldung.persistence.dao;
+package com.baeldung.persistence.dao;
 
-import org.baeldung.persistence.model.User;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 
+import com.baeldung.persistence.model.User;
+
 public interface UserRepository extends JpaRepository<User, Long>, JpaSpecificationExecutor<User> {
 
 }

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserSearchQueryCriteriaConsumer.java

@@ -1,4 +1,4 @@
-package org.baeldung.persistence.dao;
+package com.baeldung.persistence.dao;
 
 import java.util.function.Consumer;
 
@@ -6,7 +6,7 @@ import javax.persistence.criteria.CriteriaBuilder;
 import javax.persistence.criteria.Predicate;
 import javax.persistence.criteria.Root;
 
-import org.baeldung.web.util.SearchCriteria;
+import com.baeldung.web.util.SearchCriteria;
 
 public class UserSearchQueryCriteriaConsumer implements Consumer<SearchCriteria>{
 

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserSpecification.java

@@ -1,9 +1,10 @@
-package org.baeldung.persistence.dao;
+package com.baeldung.persistence.dao;
 
-import org.baeldung.persistence.model.User;
-import org.baeldung.web.util.SpecSearchCriteria;
 import org.springframework.data.jpa.domain.Specification;
 
+import com.baeldung.persistence.model.User;
+import com.baeldung.web.util.SpecSearchCriteria;
+
 import javax.persistence.criteria.CriteriaBuilder;
 import javax.persistence.criteria.CriteriaQuery;
 import javax.persistence.criteria.Predicate;

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/UserSpecificationsBuilder.java

@@ -1,14 +1,13 @@
-package org.baeldung.persistence.dao;
+package com.baeldung.persistence.dao;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.stream.Collectors;
 
-import org.baeldung.persistence.model.User;
-import org.baeldung.web.util.SearchOperation;
-import org.baeldung.web.util.SpecSearchCriteria;
 import org.springframework.data.jpa.domain.Specification;
-import org.springframework.data.jpa.domain.Specifications;
+
+import com.baeldung.persistence.model.User;
+import com.baeldung.web.util.SearchOperation;
+import com.baeldung.web.util.SpecSearchCriteria;
 
 public final class UserSpecificationsBuilder {
 
@@ -52,8 +51,8 @@ public final class UserSpecificationsBuilder {
      
         for (int i = 1; i < params.size(); i++) {
             result = params.get(i).isOrPredicate()
-              ? Specifications.where(result).or(new UserSpecification(params.get(i))) 
+              ? Specification.where(result).or(new UserSpecification(params.get(i))) 
-              : Specifications.where(result).and(new UserSpecification(params.get(i)));
+              : Specification.where(result).and(new UserSpecification(params.get(i)));
         }
         
         return result;

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/rsql/CustomRsqlVisitor.java

@@ -1,4 +1,4 @@
-package org.baeldung.persistence.dao.rsql;
+package com.baeldung.persistence.dao.rsql;
 
 import org.springframework.data.jpa.domain.Specification;
 

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/rsql/GenericRsqlSpecBuilder.java

@@ -1,10 +1,10 @@
-package org.baeldung.persistence.dao.rsql;
+package com.baeldung.persistence.dao.rsql;
 
 import java.util.List;
 import java.util.Objects;
 import java.util.stream.Collectors;
 
-import org.springframework.data.jpa.domain.Specifications;
+import org.springframework.data.jpa.domain.Specification;
 
 import cz.jirutka.rsql.parser.ast.ComparisonNode;
 import cz.jirutka.rsql.parser.ast.LogicalNode;
@@ -13,7 +13,7 @@ import cz.jirutka.rsql.parser.ast.Node;
 
 public class GenericRsqlSpecBuilder<T> {
 
-    public Specifications<T> createSpecification(final Node node) {
+    public Specification<T> createSpecification(final Node node) {
         if (node instanceof LogicalNode) {
             return createSpecification((LogicalNode) node);
         }
@@ -23,31 +23,31 @@ public class GenericRsqlSpecBuilder<T> {
         return null;
     }
 
-    public Specifications<T> createSpecification(final LogicalNode logicalNode) {
+    public Specification<T> createSpecification(final LogicalNode logicalNode) {
         
-        List<Specifications<T>> specs = logicalNode.getChildren()
+        List<Specification<T>> specs = logicalNode.getChildren()
                 .stream()
                 .map(node -> createSpecification(node))
                 .filter(Objects::nonNull)
                 .collect(Collectors.toList());
         
-        Specifications<T> result = specs.get(0);
+        Specification<T> result = specs.get(0);
         if (logicalNode.getOperator() == LogicalOperator.AND) {
            for (int i = 1; i < specs.size(); i++) {
-               result = Specifications.where(result).and(specs.get(i));
+               result = Specification.where(result).and(specs.get(i));
            }
         }
         else if (logicalNode.getOperator() == LogicalOperator.OR) {
            for (int i = 1; i < specs.size(); i++) {
-               result = Specifications.where(result).or(specs.get(i));
+               result = Specification.where(result).or(specs.get(i));
            }
         }
         
         return result;
     }
 
-    public Specifications<T> createSpecification(final ComparisonNode comparisonNode) {
+    public Specification<T> createSpecification(final ComparisonNode comparisonNode) {
-        return Specifications.where(new GenericRsqlSpecification<T>(comparisonNode.getSelector(), comparisonNode.getOperator(), comparisonNode.getArguments()));
+        return Specification.where(new GenericRsqlSpecification<T>(comparisonNode.getSelector(), comparisonNode.getOperator(), comparisonNode.getArguments()));
     }
 
 }

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/rsql/GenericRsqlSpecification.java

@@ -1,4 +1,4 @@
-package org.baeldung.persistence.dao.rsql;
+package com.baeldung.persistence.dao.rsql;
 
 import java.util.List;
 import java.util.stream.Collectors;

spring-rest-query-language/src/main/java/com/baeldung/persistence/dao/rsql/RsqlSearchOperation.java

@@ -1,4 +1,4 @@
-package org.baeldung.persistence.dao.rsql;
+package com.baeldung.persistence.dao.rsql;
 
 import cz.jirutka.rsql.parser.ast.ComparisonOperator;
 import cz.jirutka.rsql.parser.ast.RSQLOperators;

spring-rest-query-language/src/main/java/com/baeldung/persistence/model/MyUser.java

@@ -1,4 +1,4 @@
-package org.baeldung.persistence.model;
+package com.baeldung.persistence.model;
 
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;

spring-rest-query-language/src/main/java/com/baeldung/persistence/model/User.java

@@ -1,4 +1,4 @@
-package org.baeldung.persistence.model;
+package com.baeldung.persistence.model;
 
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;

spring-rest-query-language/src/main/java/com/baeldung/persistence/model/User_.java

@@ -1,4 +1,4 @@
-package org.baeldung.persistence.model;
+package com.baeldung.persistence.model;
 
 import javax.persistence.metamodel.SingularAttribute;
 import javax.persistence.metamodel.StaticMetamodel;

spring-rest-query-language/src/main/java/com/baeldung/spring/Application.java

@@ -1,4 +1,4 @@
-package org.baeldung.spring;
+package com.baeldung.spring;
 
 import javax.servlet.ServletContext;
 import javax.servlet.ServletException;

spring-rest-query-language/src/main/java/com/baeldung/spring/PersistenceConfig.java

@@ -1,4 +1,4 @@
-package org.baeldung.spring;
+package com.baeldung.spring;
 
 import java.util.Properties;
 

spring-rest-query-language/src/main/java/com/baeldung/spring/WebConfig.java

@@ -1,4 +1,4 @@
-package org.baeldung.spring;
+package com.baeldung.spring;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
@@ -14,10 +14,6 @@ import org.springframework.web.servlet.view.InternalResourceViewResolver;
 @EnableWebMvc
 public class WebConfig implements WebMvcConfigurer {
 
-    public WebConfig() {
-        super();
-    }
-
     @Bean
     public ViewResolver viewResolver() {
         final InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();

spring-rest-query-language/src/main/java/com/baeldung/web/controller/HomeController.java

@@ -1,4 +1,4 @@
-package org.baeldung.web.controller;
+package com.baeldung.web.controller;
 
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;

spring-rest-query-language/src/main/java/com/baeldung/web/controller/UserController.java

@@ -1,23 +1,10 @@
-package org.baeldung.web.controller;
+package com.baeldung.web.controller;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import org.baeldung.persistence.dao.GenericSpecificationsBuilder;
-import org.baeldung.persistence.dao.IUserDAO;
-import org.baeldung.persistence.dao.MyUserPredicatesBuilder;
-import org.baeldung.persistence.dao.MyUserRepository;
-import org.baeldung.persistence.dao.UserRepository;
-import org.baeldung.persistence.dao.UserSpecification;
-import org.baeldung.persistence.dao.UserSpecificationsBuilder;
-import org.baeldung.persistence.dao.rsql.CustomRsqlVisitor;
-import org.baeldung.persistence.model.MyUser;
-import org.baeldung.persistence.model.User;
-import org.baeldung.web.util.CriteriaParser;
-import org.baeldung.web.util.SearchCriteria;
-import org.baeldung.web.util.SearchOperation;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.jpa.domain.Specification;
 import org.springframework.data.querydsl.binding.QuerydslPredicate;
@@ -31,6 +18,19 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.ResponseStatus;
 
+import com.baeldung.persistence.dao.GenericSpecificationsBuilder;
+import com.baeldung.persistence.dao.IUserDAO;
+import com.baeldung.persistence.dao.MyUserPredicatesBuilder;
+import com.baeldung.persistence.dao.MyUserRepository;
+import com.baeldung.persistence.dao.UserRepository;
+import com.baeldung.persistence.dao.UserSpecification;
+import com.baeldung.persistence.dao.UserSpecificationsBuilder;
+import com.baeldung.persistence.dao.rsql.CustomRsqlVisitor;
+import com.baeldung.persistence.model.MyUser;
+import com.baeldung.persistence.model.User;
+import com.baeldung.web.util.CriteriaParser;
+import com.baeldung.web.util.SearchCriteria;
+import com.baeldung.web.util.SearchOperation;
 import com.google.common.base.Joiner;
 import com.google.common.base.Preconditions;
 import com.querydsl.core.types.Predicate;

spring-rest-query-language/src/main/java/com/baeldung/web/error/RestResponseEntityExceptionHandler.java

@@ -1,8 +1,7 @@
-package org.baeldung.web.error;
+package com.baeldung.web.error;
 
 import javax.persistence.EntityNotFoundException;
 
-import org.baeldung.web.exception.MyResourceNotFoundException;
 import org.hibernate.exception.ConstraintViolationException;
 import org.springframework.dao.DataAccessException;
 import org.springframework.dao.DataIntegrityViolationException;
@@ -17,6 +16,8 @@ import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.context.request.WebRequest;
 import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
 
+import com.baeldung.web.exception.MyResourceNotFoundException;
+
 @ControllerAdvice
 public class RestResponseEntityExceptionHandler extends ResponseEntityExceptionHandler {
 

spring-rest-query-language/src/main/java/com/baeldung/web/exception/MyResourceNotFoundException.java

@@ -1,4 +1,4 @@
-package org.baeldung.web.exception;
+package com.baeldung.web.exception;
 
 public final class MyResourceNotFoundException extends RuntimeException {
 

spring-rest-query-language/src/main/java/com/baeldung/web/util/CriteriaParser.java

@@ -1,4 +1,4 @@
-package org.baeldung.web.util;
+package com.baeldung.web.util;
 
 import java.util.Arrays;
 import java.util.Collections;

spring-rest-query-language/src/main/java/com/baeldung/web/util/SearchCriteria.java

@@ -1,4 +1,4 @@
-package org.baeldung.web.util;
+package com.baeldung.web.util;
 
 public class SearchCriteria {
 

spring-rest-query-language/src/main/java/com/baeldung/web/util/SearchOperation.java

@@ -1,4 +1,4 @@
-package org.baeldung.web.util;
+package com.baeldung.web.util;
 
 public enum SearchOperation {
     EQUALITY, NEGATION, GREATER_THAN, LESS_THAN, LIKE, STARTS_WITH, ENDS_WITH, CONTAINS;

spring-rest-query-language/src/main/java/com/baeldung/web/util/SpecSearchCriteria.java

@@ -1,4 +1,4 @@
-package org.baeldung.web.util;
+package com.baeldung.web.util;
 
 public class SpecSearchCriteria {