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codes and tests added (#17504)
Signed-off-by: Emmanuel Mireku Omari <[email protected]>
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5 files changed

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lines changed

‎security-modules/jwt/pom.xml

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<artifactId>java-jwt</artifactId>
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<version>${auth0-jwt.version}</version>
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</dependency>
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<dependency>
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<groupId>io.jsonwebtoken</groupId>
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<artifactId>jjwt-api</artifactId>
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<version>0.11.5</version>
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</dependency>
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<dependency>
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<groupId>io.jsonwebtoken</groupId>
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<artifactId>jjwt-impl</artifactId>
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<version>0.11.5</version>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>io.jsonwebtoken</groupId>
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<artifactId>jjwt-jackson</artifactId>
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<version>0.11.5</version>
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<scope>runtime</scope>
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</dependency>
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</dependencies>
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<properties>

‎security-modules/jwt/src/main/java/com/baeldung/jwt/replace_deprecated_jwt_parser/DeprecatedParser.java

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package com.baeldung.jwt.replace_deprecated_jwt_parser;
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import java.util.Date;
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import javax.crypto.SecretKey;
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import io.jsonwebtoken.Claims;
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import io.jsonwebtoken.JwtParser;
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import io.jsonwebtoken.Jwts;
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import io.jsonwebtoken.SignatureAlgorithm;
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import io.jsonwebtoken.security.Keys;
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public class DeprecatedParser {
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public static void main(String args[]) {
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SecretKey key = Keys.secretKeyFor(SignatureAlgorithm.HS256);
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String token = Jwts.builder()
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.setSubject("baeldung")
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.setExpiration(new Date(System.currentTimeMillis() + 1000 * 60 * 60))
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.signWith(key)
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.compact();
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JwtParser parser = Jwts.parser()
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.setSigningKey(key);
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Claims claims = parser.parseClaimsJws(token)
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.getBody();
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System.out.println("Claims: " + claims);
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}
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}

‎security-modules/jwt/src/main/java/com/baeldung/jwt/replace_deprecated_jwt_parser/JwtParserBuilder.java

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package com.baeldung.jwt.replace_deprecated_jwt_parser;
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import java.util.Date;
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import javax.crypto.SecretKey;
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import io.jsonwebtoken.Claims;
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import io.jsonwebtoken.JwtParser;
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import io.jsonwebtoken.Jwts;
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import io.jsonwebtoken.SignatureAlgorithm;
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import io.jsonwebtoken.security.Keys;
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public class JwtParserBuilder {
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public static void main(String[] args) {
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SecretKey key = Keys.secretKeyFor(SignatureAlgorithm.HS256);
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String token = Jwts.builder()
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.setSubject("username")
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.setExpiration(new Date(System.currentTimeMillis() + 1000 * 60 * 60))
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.signWith(key)
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.compact();
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JwtParser parser = Jwts.parserBuilder()
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.setSigningKey(key)
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.build();
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Claims claims = parser.parseClaimsJws(token)
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.getBody();
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System.out.println("Claims: " + claims);
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}
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}

‎security-modules/jwt/src/test/java/com/baeldung/jwt/replace_deprecated_jwt_parser/DeprecatedParserUnitTest.java

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package com.baeldung.jwt.replace_deprecated_jwt_parser;
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import static org.junit.Assert.assertEquals;
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import java.util.Date;
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import javax.crypto.SecretKey;
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import org.junit.jupiter.api.Assertions;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import io.jsonwebtoken.Claims;
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import io.jsonwebtoken.Jws;
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import io.jsonwebtoken.JwtParser;
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import io.jsonwebtoken.Jwts;
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import io.jsonwebtoken.SignatureAlgorithm;
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import io.jsonwebtoken.security.Keys;
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class DeprecatedParserUnitTest {
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private SecretKey key;
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private String token;
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@BeforeEach
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public void setup() {
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key = Keys.secretKeyFor(SignatureAlgorithm.HS256);
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token = Jwts.builder()
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.setSubject("baeldung")
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.setExpiration(new Date(System.currentTimeMillis() + 1000 * 60 * 60))
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.signWith(key)
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.compact();
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}
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@Test
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void givenDeprecatedParser_whenParsingTokenInMultipleThreads_thenMayNotBeThreadSafe() {
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JwtParser parser = Jwts.parser()
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.setSigningKey(key);
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Runnable parseTask = () -> {
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Jws<Claims> claimsJws = parser.parseClaimsJws(token);
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Claims claims = claimsJws.getBody();
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assertEquals("baeldung", claims.getSubject());
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};
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Thread thread1 = new Thread(parseTask);
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Thread thread2 = new Thread(parseTask);
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thread1.start();
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thread2.start();
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try {
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thread1.join();
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thread2.join();
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} catch (InterruptedException e) {
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Assertions.fail("Thread execution was interrupted");
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}
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}
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@Test
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void givenDeprecatedParser_whenRequiringSpecificClaim_thenShouldParseSuccessfully() {
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JwtParser parser = Jwts.parser()
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.setSigningKey(key);
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Claims claims = parser.parseClaimsJws(token)
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.getBody();
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Assertions.assertEquals("baeldung", claims.getSubject());
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}
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@Test
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public void givenDeprecatedParser_whenRequiringNonExistentClaim_thenShouldFail() {
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JwtParser parser = Jwts.parser()
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.setSigningKey(key);
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try {
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Claims claims = parser.parseClaimsJws(token)
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.getBody();
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Assertions.assertEquals(null, claims.get("non-existent-claim"));
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} catch (Exception e) {
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Assertions.assertEquals("JWT claims string is empty.", e.getMessage());
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}
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}
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}

‎security-modules/jwt/src/test/java/com/baeldung/jwt/replace_deprecated_jwt_parser/JwtParserBuilderUnitTest.java

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package com.baeldung.jwt.replace_deprecated_jwt_parser;
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import java.util.Date;
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import javax.crypto.SecretKey;
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import org.junit.jupiter.api.Assertions;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import io.jsonwebtoken.Claims;
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import io.jsonwebtoken.Jws;
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import io.jsonwebtoken.JwtParser;
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import io.jsonwebtoken.Jwts;
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import io.jsonwebtoken.SignatureAlgorithm;
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import io.jsonwebtoken.security.Keys;
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class JwtParserBuilderUnitTest {
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private SecretKey key;
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private String token;
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@BeforeEach
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public void setup() {
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key = Keys.secretKeyFor(SignatureAlgorithm.HS256);
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token = Jwts.builder()
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.setSubject("baeldung")
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.setExpiration(new Date(System.currentTimeMillis() + 1000 * 60 * 60))
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.signWith(key)
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.compact();
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}
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@Test
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void givenJwtParserBuilder_whenParsingTokenInMultipleThreads_thenShouldBeThreadSafe() {
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JwtParser parser = Jwts.parserBuilder()
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.setSigningKey(key)
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.build();
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Runnable parseTask = () -> {
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Jws<Claims> claimsJws = parser.parseClaimsJws(token);
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Claims claims = claimsJws.getBody();
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Assertions.assertEquals("baeldung", claims.getSubject());
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};
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Thread thread1 = new Thread(parseTask);
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Thread thread2 = new Thread(parseTask);
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thread1.start();
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thread2.start();
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try {
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thread1.join();
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thread2.join();
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} catch (InterruptedException e) {
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Assertions.fail("Thread execution was interrupted");
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}
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}
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@Test
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void givenJwtParserBuilder_whenRequiringSpecificClaim_thenShouldParseSuccessfully() {
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JwtParser parser = Jwts.parserBuilder()
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.setSigningKey(key)
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.build();
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Claims claims = parser.parseClaimsJws(token)
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.getBody();
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Assertions.assertEquals("baeldung", claims.getSubject());
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}
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@Test
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void givenJwtParserBuilder_whenRequiringNonExistentClaim_thenShouldHandleGracefully() {
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JwtParser parser = Jwts.parserBuilder()
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.setSigningKey(key)
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.build();
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try {
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Claims claims = parser.parseClaimsJws(token)
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.getBody();
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Assertions.assertNull(claims.get("non-existent-claim"));
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} catch (Exception e) {
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Assertions.assertEquals("JWT claims string is empty.", e.getMessage());
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}
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}
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}

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