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Adding spring-web-url
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‎spring-web-modules/spring-mvc-basics-3/README.md‎

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- [A Custom Data Binder in Spring MVC](https://www.baeldung.com/spring-mvc-custom-data-binder)
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- [Validating Lists in a Spring Controller](https://www.baeldung.com/spring-validate-list-controller)
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- [Spring Validation Message Interpolation](https://www.baeldung.com/spring-validation-message-interpolation)
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- [Using a Slash Character in Spring URLs](https://www.baeldung.com/spring-slash-character-in-url)
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- [Using Enums as Request Parameters in Spring](https://www.baeldung.com/spring-enum-request-param)
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- [Excluding URLs for a Filter in a Spring Web Application](https://www.baeldung.com/spring-exclude-filter)
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- [Guide to Flash Attributes in a Spring Web Application](https://www.baeldung.com/spring-web-flash-attributes)
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- [Handling URL Encoded Form Data in Spring REST](https://www.baeldung.com/spring-url-encoded-form-data)
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- [Reading HttpServletRequest Multiple Times in Spring](https://www.baeldung.com/spring-reading-httpservletrequest-multiple-times)
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- More articles: [[<-- prev]](/spring-mvc-basics-2)[[more -->]](/spring-mvc-basics-4)

‎spring-web-modules/spring-web-url/README.md‎

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## Spring Web URL
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This module contains articles about Spring MVC
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## Relevant articles:
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- [Using a Slash Character in Spring URLs](https://www.baeldung.com/spring-slash-character-in-url)
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- [Excluding URLs for a Filter in a Spring Web Application](https://www.baeldung.com/spring-exclude-filter)
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- [Handling URL Encoded Form Data in Spring REST](https://www.baeldung.com/spring-url-encoded-form-data)

‎spring-web-modules/spring-web-url/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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<artifactId>spring-web-url</artifactId>
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<name>spring-web-url</name>
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<packaging>war</packaging>
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<description>Demo project for Spring Boot</description>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-boot-2</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<relativePath>../../parent-boot-2</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-validation</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-thymeleaf</artifactId>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jpa</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-mail</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-actuator</artifactId>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>javax.persistence</groupId>
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<artifactId>javax.persistence-api</artifactId>
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<version>${jpa.version}</version>
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</dependency>
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<dependency>
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<groupId>com.google.guava</groupId>
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<artifactId>guava</artifactId>
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<version>${guava.version}</version>
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</dependency>
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<dependency>
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<groupId>org.subethamail</groupId>
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<artifactId>subethasmtp</artifactId>
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<version>${subethasmtp.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.apache.httpcomponents</groupId>
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<artifactId>httpclient</artifactId>
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<version>${httpclient.version}</version>
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</dependency>
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</dependencies>
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<build>
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<finalName>${project.artifactId}</finalName>
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<resources>
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<resource>
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<directory>src/main/resources</directory>
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<filtering>true</filtering>
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<excludes>
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<exclude>**/conf.properties</exclude>
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</excludes>
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</resource>
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</resources>
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</build>
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<profiles>
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<profile>
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<id>autoconfiguration</id>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<executions>
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<execution>
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<phase>integration-test</phase>
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<goals>
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<goal>test</goal>
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</goals>
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<configuration>
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<excludes>
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<exclude>**/*LiveTest.java</exclude>
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<exclude>**/*IntegrationTest.java</exclude>
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<exclude>**/*IntTest.java</exclude>
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</excludes>
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<includes>
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<include>**/AutoconfigurationTest.java</include>
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</includes>
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</configuration>
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</execution>
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</executions>
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<configuration>
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<systemPropertyVariables>
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<test.mime>json</test.mime>
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</systemPropertyVariables>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</profile>
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</profiles>
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<properties>
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<!-- The main class to start by executing java -jar -->
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<start-class>com.baeldung.exclude_urls_filter.Application</start-class>
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<jquery.version>3.1.1</jquery.version>
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<bootstrap.version>3.3.7-1</bootstrap.version>
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<jpa.version>2.2</jpa.version>
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<guava.version>18.0</guava.version>
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<subethasmtp.version>3.1.7</subethasmtp.version>
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<httpclient.version>4.5.8</httpclient.version>
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</properties>
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</project>

‎spring-web-modules/spring-web-url/src/main/java/com/baeldung/exclude_urls_filter/Application.java‎

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package com.baeldung.exclude_urls_filter;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.context.annotation.ComponentScan;
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import org.springframework.context.annotation.Configuration;
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@ComponentScan(basePackages = "com.baeldung.exclude_urls_filter")
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@Configuration
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@SpringBootApplication
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public class Application {
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public static void main(String[] args) {
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SpringApplication.run(Application.class, args);
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}
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}

‎spring-web-modules/spring-web-url/src/main/java/com/baeldung/exclude_urls_filter/controller/FAQController.java‎

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package com.baeldung.exclude_urls_filter.controller;
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import com.baeldung.exclude_urls_filter.service.FAQService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RestController;
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@RestController
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public class FAQController {
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private final FAQService faqService;
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@Autowired
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public FAQController(FAQService faqService) {
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this.faqService = faqService;
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}
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@RequestMapping(value = "/faq/helpline", method = RequestMethod.GET)
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public ResponseEntity<String> getHelpLineNumber() {
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String helplineNumber = faqService.getHelpLineNumber();
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if (helplineNumber != null) {
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return new ResponseEntity<String>(helplineNumber, HttpStatus.OK);
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} else {
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return new ResponseEntity<String>("Unavailable", HttpStatus.NOT_FOUND);
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}
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}
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}

‎spring-web-modules/spring-web-url/src/main/java/com/baeldung/exclude_urls_filter/controller/Ping.java‎

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package com.baeldung.exclude_urls_filter.controller;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RestController;
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@RestController
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public class Ping {
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@RequestMapping(value = "/health", method = RequestMethod.GET)
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public ResponseEntity<String> pingGet() {
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return new ResponseEntity<String>("pong", HttpStatus.OK);
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}
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@RequestMapping(value = "/health", method = RequestMethod.POST)
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public ResponseEntity<String> pingPost() {
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return new ResponseEntity<String>("pong", HttpStatus.OK);
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}
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}

‎spring-web-modules/spring-web-url/src/main/java/com/baeldung/exclude_urls_filter/filter/FilterRegistrationConfig.java‎

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package com.baeldung.exclude_urls_filter.filter;
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import org.springframework.boot.web.servlet.FilterRegistrationBean;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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@Configuration
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public class FilterRegistrationConfig {
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@Bean
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public FilterRegistrationBean<LogFilter> logFilter() {
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FilterRegistrationBean<LogFilter> registrationBean = new FilterRegistrationBean<>();
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registrationBean.setFilter(new LogFilter());
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registrationBean.addUrlPatterns("/health", "/faq/*");
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return registrationBean;
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}
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@Bean
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public FilterRegistrationBean<HeaderValidatorFilter> headerValidatorFilter() {
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FilterRegistrationBean<HeaderValidatorFilter> registrationBean = new FilterRegistrationBean<>();
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registrationBean.setFilter(new HeaderValidatorFilter());
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registrationBean.addUrlPatterns("*");
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return registrationBean;
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}
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}

‎spring-web-modules/spring-web-url/src/main/java/com/baeldung/exclude_urls_filter/filter/HeaderValidatorFilter.java‎

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package com.baeldung.exclude_urls_filter.filter;
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import org.springframework.core.annotation.Order;
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import org.springframework.http.HttpStatus;
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import org.springframework.web.filter.OncePerRequestFilter;
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import javax.servlet.*;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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@Order(1)
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public class HeaderValidatorFilter extends OncePerRequestFilter {
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@Override
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protected void doFilterInternal(HttpServletRequest request,
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HttpServletResponse response,
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FilterChain filterChain)
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throws ServletException,
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IOException {
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String countryCode = request.getHeader("X-Country-Code");
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if (!"US".equals(countryCode)) {
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response.sendError(HttpStatus.BAD_REQUEST.value(), "Invalid Locale");
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return;
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}
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filterChain.doFilter(request, response);
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}
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@Override
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protected boolean shouldNotFilter(HttpServletRequest request) throws ServletException {
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String path = request.getRequestURI();
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return "/health".equals(path);
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}
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}

‎spring-web-modules/spring-web-url/src/main/java/com/baeldung/exclude_urls_filter/filter/LogFilter.java‎

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package com.baeldung.exclude_urls_filter.filter;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.core.annotation.Order;
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import org.springframework.web.filter.OncePerRequestFilter;
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import javax.servlet.*;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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@Order(1)
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public class LogFilter extends OncePerRequestFilter {
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private final Logger logger = LoggerFactory.getLogger(LogFilter.class);
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@Override
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protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
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FilterChain filterChain) throws ServletException, IOException {
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String path = request.getRequestURI();
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String contentType = request.getContentType();
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logger.info("Request URL path : {}, Request content type: {}", path, contentType);
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filterChain.doFilter(request, response);
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}
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}

‎spring-web-modules/spring-web-url/src/main/java/com/baeldung/exclude_urls_filter/service/FAQService.java‎

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package com.baeldung.exclude_urls_filter.service;
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public interface FAQService {
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String getHelpLineNumber();
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}

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