[ELY-2797] check for null Boolean and return boolean

http/oidc/src/main/java/org/wildfly/security/http/oidc/OidcProviderMetadata.java

@@ -330,7 +330,7 @@ public void setClaimTypesSupported(List<String> claimTypesSupported) {
     }
 
     public Boolean getClaimsParameterSupported() {
-        return claimsParameterSupported;
+        return claimsParameterSupported == null ? false : claimsParameterSupported;
     }
 
     public void setClaimsParameterSupported(Boolean claimsParameterSupported) {
@@ -346,15 +346,15 @@ public void setScopesSupported(List<String> scopesSupported) {
     }
 
     public Boolean getRequestParameterSupported() {
-        return requestParameterSupported;
+        return requestParameterSupported == null ? false : requestParameterSupported;
     }
 
     public void setRequestParameterSupported(Boolean requestParameterSupported) {
         this.requestParameterSupported = requestParameterSupported;
     }
 
     public Boolean getRequestUriParameterSupported() {
-        return requestUriParameterSupported;
+        return requestUriParameterSupported == null ? false : requestUriParameterSupported;
     }
 
     public void setRequestUriParameterSupported(Boolean requestUriParameterSupported) {
@@ -394,11 +394,11 @@ public void setRevocationEndpointAuthSigningAlgValuesSupported(List<String> revo
     }
 
     public Boolean getBackchannelLogoutSupported() {
-        return backchannelLogoutSupported;
+        return backchannelLogoutSupported == null ? false : backchannelLogoutSupported;
     }
 
     public Boolean getBackchannelLogoutSessionSupported() {
-        return backchannelLogoutSessionSupported;
+        return backchannelLogoutSessionSupported == null ? false : backchannelLogoutSessionSupported;
     }
 
     public void setBackchannelLogoutSessionSupported(Boolean backchannelLogoutSessionSupported) {
@@ -417,7 +417,7 @@ public List<String> getCodeChallengeMethodsSupported() {
     // KEYCLOAK-6771 Certificate Bound Token
     // https://tools.ietf.org/html/draft-ietf-oauth-mtls-08#section-6.2
     public Boolean getTlsClientCertificateBoundAccessTokens() {
-        return tlsClientCertificateBoundAccessTokens;
+        return tlsClientCertificateBoundAccessTokens == null ? false : tlsClientCertificateBoundAccessTokens;
     }
 
     public List<String> getRequestObjectEncryptionAlgValuesSupported() {

http/oidc/src/test/java/org/wildfly/security/http/oidc/OidcProviderMetadataTest.java

@@ -0,0 +1,61 @@
+package org.wildfly.security.http.oidc;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Test OIDC json config class properly returns boolean values.
+ */
+public class OidcProviderMetadataTest {
+    private OidcProviderMetadata oidcSecRealm;
+
+    @Before
+    public void setUp() {
+        oidcSecRealm = new OidcProviderMetadata();
+    }
+
+    @Test
+    public void testClaimsParameterSupported() throws Exception {
+        assertFalse(oidcSecRealm.getClaimsParameterSupported());
+        oidcSecRealm.setClaimsParameterSupported(true);
+        assertTrue(oidcSecRealm.getClaimsParameterSupported());
+    }
+
+    @Test
+    public void testRequestParameterSupported() throws Exception {
+        assertFalse(oidcSecRealm.getRequestParameterSupported());
+        oidcSecRealm.setRequestParameterSupported(true);
+        assertTrue(oidcSecRealm.getRequestParameterSupported());
+    }
+
+    @Test
+    public void testRequestUriParameterSupported() throws Exception {
+        assertFalse(oidcSecRealm.getRequestUriParameterSupported());
+        oidcSecRealm.setRequestUriParameterSupported(true);
+        assertTrue(oidcSecRealm.getRequestUriParameterSupported());
+    }
+
+    @Test
+    public void testBackchannelLogoutSupported() throws Exception {
+        assertFalse(oidcSecRealm.getBackchannelLogoutSupported());
+        oidcSecRealm.setBackchannelLogoutSupported(true);
+        assertTrue(oidcSecRealm.getBackchannelLogoutSupported());
+    }
+
+    @Test
+    public void testBackchannelLogoutSessionSupported() throws Exception {
+        assertFalse(oidcSecRealm.getBackchannelLogoutSessionSupported());
+        oidcSecRealm.setBackchannelLogoutSessionSupported(true);
+        assertTrue(oidcSecRealm.getBackchannelLogoutSessionSupported());
+    }
+
+    @Test
+    public void testTlsClientCertificateBoundAccessTokens() throws Exception {
+        assertFalse(oidcSecRealm.getTlsClientCertificateBoundAccessTokens());
+        oidcSecRealm.setTlsClientCertificateBoundAccessTokens(true);
+        assertTrue(oidcSecRealm.getTlsClientCertificateBoundAccessTokens());
+    }
+}