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PR:BAEL-6037 (#17170)
* Update pom.xml * Java Enums with all HTTP status codes I added a new module. * Update pom.xml * Update EnumWithHttpStatusCodesLiveTest.java * Update EnumWithHttpStatusCodesUnitTest.java * Update pom.xml * Update pom.xml * Update pom.xml * Update pom.xml * Update pom.xml * Update pom.xml * Update pom.xml * Update pom.xml * Update EnumWithHttpStatusCodesUnitTest.java * Update EnumWithHttpStatusCodesUnitTest.java * Update pom.xml
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‎libraries-http-3/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.example</groupId>
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<artifactId>libraries-http-3</artifactId>
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<version>1.0-SNAPSHOT</version>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-modules</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<okhttp.version>4.12.0</okhttp.version>
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<apache.httpclient.version>5.3.1</apache.httpclient.version>
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<spring.web.version>6.1.5</spring.web.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.squareup.okhttp3</groupId>
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<artifactId>okhttp</artifactId>
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<version>${okhttp.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.httpcomponents.client5</groupId>
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<artifactId>httpclient5</artifactId>
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<version>${apache.httpclient.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-web</artifactId>
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<version>${spring.web.version}</version>
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</dependency>
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</dependencies>
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</project>

‎libraries-http-3/src/main/java/com/baeldung/enumwithallhttpstatuscodes/HttpStatus.java‎

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package com.baeldung.enumwithallhttpstatuscodes;
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public enum HttpStatus {
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CONTINUE(100, "Continue"),
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SWITCHING_PROTOCOLS(101, "Switching Protocols"),
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OK(200, "OK"),
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CREATED(201, "Created"),
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ACCEPTED(202, "Accepted"),
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MULTIPLE_CHOICES(300, "Multiple Choices"),
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MOVED_PERMANENTLY(301, "Moved Permanently"),
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FOUND(302, "Found"),
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BAD_REQUEST(400, "Bad Request"),
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UNAUTHORIZED(401, "Unauthorized"),
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FORBIDDEN(403, "Forbidden"),
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NOT_FOUND(404, "Not Found"),
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INTERNAL_SERVER_ERROR(500, "Internal Server Error"),
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NOT_IMPLEMENTED(501, "Not Implemented"),
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BAD_GATEWAY(502, "Bad Gateway"),
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UNKNOWN(-1, "Unknown Status");
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private final int code;
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private final String description;
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HttpStatus(int code, String description) {
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this.code = code;
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this.description = description;
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}
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public static HttpStatus getStatusFromCode(int code) {
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for (HttpStatus status : HttpStatus.values()) {
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if (status.getCode() == code) {
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return status;
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}
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}
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return UNKNOWN;
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}
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public int getCode() {
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return code;
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}
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public String getDescription() {
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return description;
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}
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}

‎libraries-http-3/src/test/java/com/baeldung/enumwithallhttpstatuscodes/EnumWithHttpStatusCodesLiveTest.java‎

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package com.baeldung.enumwithallhttpstatuscodes;
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import okhttp3.OkHttpClient;
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import okhttp3.Request;
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import okhttp3.Response;
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import org.apache.hc.client5.http.classic.methods.HttpGet;
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import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
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import org.apache.hc.client5.http.impl.classic.CloseableHttpResponse;
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import org.apache.hc.client5.http.impl.classic.HttpClients;
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import org.junit.jupiter.api.Test;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.client.RestTemplate;
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import java.io.IOException;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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public class EnumWithHttpStatusCodesLiveTest {
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@Test
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public void givenHttpRequest_whenUsingApacheHttpComponents_thenCorrectStatusDescription() throws IOException {
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CloseableHttpClient httpClient = HttpClients.createDefault();
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HttpGet request = new HttpGet("http://example.com");
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try (CloseableHttpResponse response = httpClient.execute(request)) {
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String reasonPhrase = response.getReasonPhrase();
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assertEquals("OK", reasonPhrase);
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}
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}
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@Test
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public void givenHttpRequest_whenUsingSpringRestTemplate_thenCorrectStatusDescription() {
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RestTemplate restTemplate = new RestTemplate();
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ResponseEntity<String> response = restTemplate.getForEntity("http://example.com", String.class);
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int statusCode = response.getStatusCode().value();
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String statusDescription = HttpStatus.getStatusFromCode(statusCode).getDescription();
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assertEquals("OK", statusDescription);
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}
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@Test
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public void givenHttpRequest_whenUsingOkHttp_thenCorrectStatusDescription() throws IOException {
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OkHttpClient client = new OkHttpClient();
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Request request = new Request.Builder()
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.url("http://example.com")
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.build();
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try (Response response = client.newCall(request).execute()) {
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int statusCode = response.code();
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String statusDescription = HttpStatus.getStatusFromCode(statusCode).getDescription();
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assertEquals("OK", statusDescription);
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}
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}
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}

‎libraries-http-3/src/test/java/com/baeldung/enumwithallhttpstatuscodes/EnumWithHttpStatusCodesUnitTest.java‎

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package com.baeldung.enumwithallhttpstatuscodes;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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public class EnumWithHttpStatusCodesUnitTest {
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@Test
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public void givenStatusCode_whenUsingBasicApproach_thenGetCorrectCode() {
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assertEquals(100, HttpStatus.CONTINUE.getCode());
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assertEquals(200, HttpStatus.OK.getCode());
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assertEquals(300, HttpStatus.MULTIPLE_CHOICES.getCode());
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assertEquals(400, HttpStatus.BAD_REQUEST.getCode());
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assertEquals(500, HttpStatus.INTERNAL_SERVER_ERROR.getCode());
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}
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@Test
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public void givenStatusCode_whenUsingBasicApproach_thenGetCorrectDescription() {
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assertEquals("Continue", HttpStatus.CONTINUE.getDescription());
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assertEquals("OK", HttpStatus.OK.getDescription());
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assertEquals("Multiple Choices", HttpStatus.MULTIPLE_CHOICES.getDescription());
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assertEquals("Bad Request", HttpStatus.BAD_REQUEST.getDescription());
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assertEquals("Internal Server Error", HttpStatus.INTERNAL_SERVER_ERROR.getDescription());
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}
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}

‎pom.xml‎

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<module>libraries-data-io</module>
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<module>libraries-data</module>
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<module>libraries-files</module>
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<module>libraries-http-2</module>
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<module>libraries-http</module>
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<module>libraries-http-2</module>
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<module>libraries-http-3</module>
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<module>libraries-io</module>
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<module>libraries-llms</module>
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<module>libraries-primitive</module>
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<module>libraries-data-io</module>
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<module>libraries-data</module>
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<module>libraries-files</module>
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<module>libraries-http</module>
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<module>libraries-http-2</module>
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<module>libraries-http</module>
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<module>libraries-http-3</module>
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<module>libraries-io</module>
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<module>libraries-llms</module>
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<module>libraries-primitive</module>

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