Abhi-Codes

<dependency>
	<groupId>mysql</groupId>
	<artifactId>mysql-connector-java</artifactId>
	<scope>runtime</scope>
</dependency>
<!-- Query DSL -->
<dependency>
	<groupId>com.querydsl</groupId>
	<artifactId>querydsl-apt</artifactId>
</dependency>

Abhi-Codes

package com.abhicodes.querydsldynamicquery.utils;

import lombok.Builder;
import lombok.Getter;
import lombok.ToString;

@Getter
@ToString
@Builder
public class SearchCriteria {

Abhi-Codes

private BooleanExpression getPredicate(String key, String operator, String value, PathBuilder<?> entityPath,
			Class<?> classType) {
		boolean isMultiValue = value.contains(",");
		Class<?> propertyType = getPropertyType(classType, key);
		switch (propertyType.getSimpleName()) {
		case "Integer":
			if (isMultiValue) {
				NumberPath<Integer> path = entityPath.getNumber(key, Integer.class);
				Integer[] numValue = Stream.of(value.split(",")).map(Integer::parseInt).toArray(Integer[]::new);
				return getNumberPredicate(path, operator, numValue);

Abhi-Codes

/**
	 * Format search criteria.
	 *
	 * @param filter the filter
	 * @return the list
	 */
	public List<SearchCriteria> formatSearchCriteria(String[] filter) {
		List<SearchCriteria> criterias = new ArrayList<>();
		if (null != filter) {
			Collection<SearchCriteria> collect = Arrays.asList(filter).parallelStream().map(this::validateFilterPattern)

Abhi-Codes

package com.abhicodes.querydsldynamicquery.repository;

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.querydsl.QuerydslPredicateExecutor;
import org.springframework.stereotype.Repository;

import com.abhicodes.querydsldynamicquery.entity.Post;

@Repository
public interface PostRepository extends JpaRepository<Post, Integer>, QuerydslPredicateExecutor<Post> {

Abhi-Codes

Abhi-Codes

		<dependency>
			<groupId>io.springfox</groupId>
			<artifactId>springfox-boot-starter</artifactId>
			<version>3.0.0</version>
		</dependency>

Abhi-Codes

@Bean
	public Docket api() {

		return new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo())
				.securityContexts(Arrays.asList(securityContext())).securitySchemes(Arrays.asList(apiKey())).select()
				.apis(RequestHandlerSelectors.basePackage("com.abhicodes.springfoxswagger3.controller"))
				.paths(PathSelectors.ant("/api/**")).build()
				.globalRequestParameters(Arrays.asList(
						new RequestParameterBuilder().name("x-global-header-1").description("Remote User")
								.in(ParameterType.HEADER).required(true)

Abhi-Codes

@RestController
@RequestMapping("/api")
@Api(value = "Demo APIs")
public class DemoController {

	@GetMapping("/hello-world")
	@ApiOperation("Hello peeps")
	public ResponseEntity<String> helloWorld() {
		return ResponseEntity.ok("Hello Medium");
	}

Abhi-Codes

public String getAccessTokenByClientCredentialGrant() {

		String accessToken = null;
		String clientId = imapClientId;
		String secret = imapSecret;
		String authority = "https://login.microsoftonline.com/" + imapTenantId + "/oauth2/v2.0/token";
		String scope = "https://outlook.office365.com/.default";
		log.info("Client ID : " + clientId);
		log.info("Client Secret : " + secret);
		log.info("Auth Server: " + authority);