Added support for java.time Instant instead of java.util.Date

.travis.yml

@@ -4,7 +4,6 @@ dist: trusty
 sudo: required
 language: java
 jdk:
-  - openjdk7
   - oraclejdk8
   - oraclejdk9
 

pom.xml

@@ -109,6 +109,12 @@
             <version>${jackson.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jsr310</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+
         <!-- Optional Dependencies: -->
         <dependency>
             <groupId>org.bouncycastle</groupId>

src/main/java/io/jsonwebtoken/Claims.java

@@ -15,7 +15,7 @@
  */
 package io.jsonwebtoken;
 
-import java.util.Date;
+import java.time.Instant;
 import java.util.Map;
 
 /**
@@ -111,13 +111,13 @@ public interface Claims extends Map<String, Object>, ClaimsMutator<Claims> {
      *
      * @return the JWT {@code exp} value or {@code null} if not present.
      */
-    Date getExpiration();
+    Instant getExpiration();
 
     /**
      * {@inheritDoc}
      */
     @Override //only for better/targeted JavaDoc
-    Claims setExpiration(Date exp);
+    Claims setExpiration(Instant exp);
 
     /**
      * Returns the JWT <a href="https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-25#section-4.1.5">
@@ -127,13 +127,13 @@ public interface Claims extends Map<String, Object>, ClaimsMutator<Claims> {
      *
      * @return the JWT {@code nbf} value or {@code null} if not present.
      */
-    Date getNotBefore();
+    Instant getNotBefore();
 
     /**
      * {@inheritDoc}
      */
     @Override //only for better/targeted JavaDoc
-    Claims setNotBefore(Date nbf);
+    Claims setNotBefore(Instant nbf);
 
     /**
      * Returns the JWT <a href="https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-25#section-4.1.6">
@@ -143,13 +143,13 @@ public interface Claims extends Map<String, Object>, ClaimsMutator<Claims> {
      *
      * @return the JWT {@code nbf} value or {@code null} if not present.
      */
-    Date getIssuedAt();
+    Instant getIssuedAt();
 
     /**
      * {@inheritDoc}
      */
     @Override //only for better/targeted JavaDoc
-    Claims setIssuedAt(Date iat);
+    Claims setIssuedAt(Instant iat);
 
     /**
      * Returns the JWTs <a href="https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-25#section-4.1.7">

src/main/java/io/jsonwebtoken/ClaimsMutator.java

@@ -15,7 +15,7 @@
  */
 package io.jsonwebtoken;
 
-import java.util.Date;
+import java.time.Instant;
 
 /**
  * Mutation (modifications) to a {@link io.jsonwebtoken.Claims Claims} instance.
@@ -63,7 +63,7 @@ public interface ClaimsMutator<T extends ClaimsMutator> {
      * @param exp the JWT {@code exp} value or {@code null} to remove the property from the JSON map.
      * @return the {@code Claims} instance for method chaining.
      */
-    T setExpiration(Date exp);
+    T setExpiration(Instant exp);
 
     /**
      * Sets the JWT <a href="https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-25#section-4.1.5">
@@ -74,7 +74,7 @@ public interface ClaimsMutator<T extends ClaimsMutator> {
      * @param nbf the JWT {@code nbf} value or {@code null} to remove the property from the JSON map.
      * @return the {@code Claims} instance for method chaining.
      */
-    T setNotBefore(Date nbf);
+    T setNotBefore(Instant nbf);
 
     /**
      * Sets the JWT <a href="https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-25#section-4.1.6">
@@ -85,7 +85,7 @@ public interface ClaimsMutator<T extends ClaimsMutator> {
      * @param iat the JWT {@code iat} value or {@code null} to remove the property from the JSON map.
      * @return the {@code Claims} instance for method chaining.
      */
-    T setIssuedAt(Date iat);
+    T setIssuedAt(Instant iat);
 
     /**
      * Sets the JWT <a href="https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-25#section-4.1.7">

src/main/java/io/jsonwebtoken/Clock.java

@@ -1,6 +1,6 @@
 package io.jsonwebtoken;
 
-import java.util.Date;
+import java.time.Instant;
 
 /**
  * A clock represents a time source that can be used when creating and verifying JWTs.
@@ -14,5 +14,5 @@ public interface Clock {
      *
      * @return the clock's current timestamp at the instant the method is invoked.
      */
-    Date now();
+    Instant now();
 }

src/main/java/io/jsonwebtoken/JwtBuilder.java

@@ -16,7 +16,7 @@
 package io.jsonwebtoken;
 
 import java.security.Key;
-import java.util.Date;
+import java.time.Instant;
 import java.util.Map;
 
 /**
@@ -198,16 +198,16 @@ public interface JwtBuilder extends ClaimsMutator<JwtBuilder> {
      * <p>A JWT obtained after this timestamp should not be used.</p>
      *
      * <p>This is a convenience method.  It will first ensure a Claims instance exists as the JWT body and then set
-     * the Claims {@link Claims#setExpiration(java.util.Date) expiration} field with the specified value.  This allows
+     * the Claims {@link Claims#setExpiration(java.time.Instant) expiration} field with the specified value.  This allows
      * you to write code like this:</p>
      *
      * <pre>
-     * String jwt = Jwts.builder().setExpiration(new Date(System.currentTimeMillis() + 3600000)).compact();
+     * String jwt = Jwts.builder().setExpiration(Instant.ofEpochMilli(System.currentTimeMillis() + 3600000)).compact();
      * </pre>
      *
      * <p>instead of this:</p>
      * <pre>
-     * Claims claims = Jwts.claims().setExpiration(new Date(System.currentTimeMillis() + 3600000));
+     * Claims claims = Jwts.claims().setExpiration(Instant.ofEpochMilli(System.currentTimeMillis() + 3600000));
      * String jwt = Jwts.builder().setClaims(claims).compact();
      * </pre>
      * <p>if desired.</p>
@@ -217,7 +217,7 @@ public interface JwtBuilder extends ClaimsMutator<JwtBuilder> {
      * @since 0.2
      */
     @Override //only for better/targeted JavaDoc
-    JwtBuilder setExpiration(Date exp);
+    JwtBuilder setExpiration(Instant exp);
 
     /**
      * Sets the JWT Claims <a href="https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-25#section-4.1.5">
@@ -226,16 +226,16 @@ public interface JwtBuilder extends ClaimsMutator<JwtBuilder> {
      * <p>A JWT obtained before this timestamp should not be used.</p>
      *
      * <p>This is a convenience method.  It will first ensure a Claims instance exists as the JWT body and then set
-     * the Claims {@link Claims#setNotBefore(java.util.Date) notBefore} field with the specified value.  This allows
+     * the Claims {@link Claims#setNotBefore(java.time.Instant) notBefore} field with the specified value.  This allows
      * you to write code like this:</p>
      *
      * <pre>
-     * String jwt = Jwts.builder().setNotBefore(new Date()).compact();
+     * String jwt = Jwts.builder().setNotBefore(Instant.now()).compact();
      * </pre>
      *
      * <p>instead of this:</p>
      * <pre>
-     * Claims claims = Jwts.claims().setNotBefore(new Date());
+     * Claims claims = Jwts.claims().setNotBefore(Instant.now());
      * String jwt = Jwts.builder().setClaims(claims).compact();
      * </pre>
      * <p>if desired.</p>
@@ -245,7 +245,7 @@ public interface JwtBuilder extends ClaimsMutator<JwtBuilder> {
      * @since 0.2
      */
     @Override //only for better/targeted JavaDoc
-    JwtBuilder setNotBefore(Date nbf);
+    JwtBuilder setNotBefore(Instant nbf);
 
     /**
      * Sets the JWT Claims <a href="https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-25#section-4.1.6">
@@ -254,7 +254,7 @@ public interface JwtBuilder extends ClaimsMutator<JwtBuilder> {
      * <p>The value is the timestamp when the JWT was created.</p>
      *
      * <p>This is a convenience method.  It will first ensure a Claims instance exists as the JWT body and then set
-     * the Claims {@link Claims#setIssuedAt(java.util.Date) issuedAt} field with the specified value.  This allows
+     * the Claims {@link Claims#setIssuedAt(java.time.Instant) issuedAt} field with the specified value.  This allows
      * you to write code like this:</p>
      *
      * <pre>
@@ -263,7 +263,7 @@ public interface JwtBuilder extends ClaimsMutator<JwtBuilder> {
      *
      * <p>instead of this:</p>
      * <pre>
-     * Claims claims = Jwts.claims().setIssuedAt(new Date());
+     * Claims claims = Jwts.claims().setIssuedAt(Instant.now());
      * String jwt = Jwts.builder().setClaims(claims).compact();
      * </pre>
      * <p>if desired.</p>
@@ -273,7 +273,7 @@ public interface JwtBuilder extends ClaimsMutator<JwtBuilder> {
      * @since 0.2
      */
     @Override //only for better/targeted JavaDoc
-    JwtBuilder setIssuedAt(Date iat);
+    JwtBuilder setIssuedAt(Instant iat);
 
     /**
      * Sets the JWT Claims <a href="https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-25#section-4.1.7">

src/main/java/io/jsonwebtoken/JwtParser.java

@@ -18,7 +18,7 @@
 import io.jsonwebtoken.impl.DefaultClock;
 
 import java.security.Key;
-import java.util.Date;
+import java.time.Instant;
 
 /**
  * A parser for reading JWT strings, used to convert them into a {@link Jwt} object representing the expanded JWT.
@@ -87,7 +87,7 @@ public interface JwtParser {
      * @see MissingClaimException
      * @see IncorrectClaimException
      */
-    JwtParser requireIssuedAt(Date issuedAt);
+    JwtParser requireIssuedAt(Instant issuedAt);
 
     /**
      * Ensures that the specified {@code exp} exists in the parsed JWT.  If missing or if the parsed
@@ -99,7 +99,7 @@ public interface JwtParser {
      * @see MissingClaimException
      * @see IncorrectClaimException
      */
-    JwtParser requireExpiration(Date expiration);
+    JwtParser requireExpiration(Instant expiration);
 
     /**
      * Ensures that the specified {@code nbf} exists in the parsed JWT.  If missing or if the parsed
@@ -111,7 +111,7 @@ public interface JwtParser {
      * @see MissingClaimException
      * @see IncorrectClaimException
      */
-    JwtParser requireNotBefore(Date notBefore);
+    JwtParser requireNotBefore(Instant notBefore);
 
     /**
      * Ensures that the specified {@code claimName} exists in the parsed JWT.  If missing or if the parsed

src/main/java/io/jsonwebtoken/impl/DefaultClaims.java

@@ -18,7 +18,7 @@
 import io.jsonwebtoken.Claims;
 import io.jsonwebtoken.RequiredTypeException;
 
-import java.util.Date;
+import java.time.Instant;
 import java.util.Map;
 
 public class DefaultClaims extends JwtMap implements Claims {
@@ -65,35 +65,35 @@ public Claims setAudience(String aud) {
     }
 
     @Override
-    public Date getExpiration() {
-        return get(Claims.EXPIRATION, Date.class);
+    public Instant getExpiration() {
+        return get(Claims.EXPIRATION, Instant.class);
     }
 
     @Override
-    public Claims setExpiration(Date exp) {
-        setDate(Claims.EXPIRATION, exp);
+    public Claims setExpiration(Instant exp) {
+        setInstant(Claims.EXPIRATION, exp);
         return this;
     }
 
     @Override
-    public Date getNotBefore() {
-        return get(Claims.NOT_BEFORE, Date.class);
+    public Instant getNotBefore() {
+        return get(Claims.NOT_BEFORE, Instant.class);
     }
 
     @Override
-    public Claims setNotBefore(Date nbf) {
-        setDate(Claims.NOT_BEFORE, nbf);
+    public Claims setNotBefore(Instant nbf) {
+        setInstant(Claims.NOT_BEFORE, nbf);
         return this;
     }
 
     @Override
-    public Date getIssuedAt() {
-        return get(Claims.ISSUED_AT, Date.class);
+    public Instant getIssuedAt() {
+        return get(Claims.ISSUED_AT, Instant.class);
     }
 
     @Override
-    public Claims setIssuedAt(Date iat) {
-        setDate(Claims.ISSUED_AT, iat);
+    public Claims setIssuedAt(Instant iat) {
+        setInstant(Claims.ISSUED_AT, iat);
         return this;
     }
 
@@ -117,15 +117,15 @@ public <T> T get(String claimName, Class<T> requiredType) {
             Claims.ISSUED_AT.equals(claimName) ||
             Claims.NOT_BEFORE.equals(claimName)
         ) {
-            value = getDate(claimName);
+            value = getInstant(claimName);
         }
 
         return castClaimValue(value, requiredType);
     }
 
     private <T> T castClaimValue(Object value, Class<T> requiredType) {
-        if (requiredType == Date.class && value instanceof Long) {
-            value = new Date((Long)value);
+        if (requiredType == Instant.class && value instanceof Number) {
+            value = Instant.ofEpochSecond(Long.parseLong(value.toString()));
         }
 
         if (value instanceof Integer) {

src/main/java/io/jsonwebtoken/impl/DefaultClock.java

@@ -2,7 +2,7 @@
 
 import io.jsonwebtoken.Clock;
 
-import java.util.Date;
+import java.time.Instant;
 
 /**
  * Default {@link Clock} implementation.
@@ -17,12 +17,12 @@ public class DefaultClock implements Clock {
     public static final Clock INSTANCE = new DefaultClock();
 
     /**
-     * Simply returns <code>new {@link Date}()</code>.
+     * Simply returns <code>new {@link Instant}()</code>.
      *
-     * @return a new {@link Date} instance.
+     * @return a new {@link Instant} instance.
      */
     @Override
-    public Date now() {
-        return new Date();
+    public Instant now() {
+        return Instant.now();
     }
 }