Minor exception messages improvements.

Signed-off-by: Max Lambrecht <maxlambrecht@gmail.com>

java-spiffe-core/src/main/java/io/spiffe/internal/JwtSignatureAlgorithm.java

@@ -97,7 +97,7 @@ public enum JwtSignatureAlgorithm {
             } else if (s.equals(EC.getName())) {
                 family = EC;
             } else {
-                throw new IllegalArgumentException("Unsupported JWT token family algorithm: " + s);
+                throw new IllegalArgumentException("Unsupported JWT family algorithm: " + s);
             }
             return family;
         }
@@ -124,7 +124,7 @@ public enum JwtSignatureAlgorithm {
         } else if (s.equals(PS512.getName())) {
             algorithm = PS512;
         } else {
-            throw new IllegalArgumentException("Unsupported JWT token algorithm: " + s);
+            throw new IllegalArgumentException("Unsupported JWT algorithm: " + s);
         }
         return algorithm;
     }

java-spiffe-core/src/test/java/io/spiffe/bundle/jwtbundle/JwtBundleTest.java

@@ -165,7 +165,7 @@ class JwtBundleTest {
             JwtBundle.load(trustDomain, path);
             fail("should have thrown exception");
         } catch (JwtBundleException e) {
-            assertEquals("Unsupported JWT token family algorithm: OKP", e.getCause().getMessage());
+            assertEquals("Unsupported JWT family algorithm: OKP", e.getCause().getMessage());
         }
     }
 

java-spiffe-core/src/test/java/io/spiffe/svid/jwtsvid/JwtSignatureAlgorithmTest.java

@@ -77,7 +77,7 @@ class JwtSignatureAlgorithmTest {
             JwtSignatureAlgorithm.Family.parse("unknown family");
             fail();
         } catch (IllegalArgumentException e) {
-            assertEquals("Unsupported JWT token family algorithm: unknown family", e.getMessage());
+            assertEquals("Unsupported JWT family algorithm: unknown family", e.getMessage());
         }
     }
 
@@ -87,7 +87,7 @@ class JwtSignatureAlgorithmTest {
             JwtSignatureAlgorithm.parse("HS256");
             fail();
         } catch (IllegalArgumentException e) {
-            assertEquals("Unsupported JWT token algorithm: HS256", e.getMessage());
+            assertEquals("Unsupported JWT algorithm: HS256", e.getMessage());
         }
     }
 }

java-spiffe-core/src/test/java/io/spiffe/svid/jwtsvid/JwtSvidParseAndValidateTest.java

@@ -154,7 +154,7 @@ class JwtSvidParseAndValidateTest {
                         .jwtBundle(jwtBundle)
                         .expectedAudience(Collections.singleton("audience"))
                         .generateToken(() -> HS256TOKEN)
-                        .expectedException(new JwtSvidException("Unsupported JWT token algorithm: HS256"))
+                        .expectedException(new JwtSvidException("Unsupported JWT algorithm: HS256"))
                         .build()),
                 Arguments.of(TestCase.builder()
                         .name("5. missing subject")

java-spiffe-core/src/test/java/io/spiffe/svid/jwtsvid/JwtSvidParseInsecureTest.java

@@ -156,7 +156,7 @@ class JwtSvidParseInsecureTest {
                         .name("unsupported algorithm")
                         .expectedAudience(Collections.singleton("audience"))
                         .generateToken(() -> HS256TOKEN)
-                        .expectedException(new JwtSvidException("Unsupported JWT token algorithm: HS256"))
+                        .expectedException(new JwtSvidException("Unsupported JWT algorithm: HS256"))
                         .build())
         );
     }