docs: update javadoc sample code comments to render correctly in Clou…

google-oauth-client-appengine/src/main/java/com/google/api/client/extensions/appengine/auth/oauth2/AbstractAppEngineAuthorizationCodeCallbackServlet.java

@@ -43,7 +43,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * public class ServletCallbackSample extends AbstractAppEngineAuthorizationCodeCallbackServlet {
  *
  * &#64;Override
@@ -77,7 +77,7 @@
  * "https://server.example.com/authorize").setCredentialStore(new AppEngineCredentialStore())
  * .build();
  * }
- * </pre>
+ * }</pre>
  *
  * @since 1.7
  * @author Yaniv Inbar

google-oauth-client-appengine/src/main/java/com/google/api/client/extensions/appengine/auth/oauth2/AbstractAppEngineAuthorizationCodeServlet.java

@@ -43,7 +43,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * public class ServletSample extends AbstractAppEngineAuthorizationCodeServlet {
  *
  * &#64;Override
@@ -71,7 +71,7 @@
  * .build();
  * }
  * }
- * </pre>
+ * }</pre>
  *
  * @since 1.7
  * @author Yaniv Inbar

google-oauth-client-appengine/src/main/java/com/google/api/client/extensions/appengine/auth/oauth2/AppEngineCredentialStore.java

@@ -84,14 +84,14 @@ public boolean load(String userId, Credential credential) {
    *
    * <p>Sample usage:
    *
-   * <pre>
+   * <pre>{@code
    * public static AppEngineDataStore migrate(AppEngineCredentialStore credentialStore)
    * throws IOException {
    * AppEngineDataStore dataStore = new AppEngineDataStore();
    * credentialStore.migrateTo(dataStore);
    * return dataStore;
    * }
-   * </pre>
+   * }</pre>
    *
    * @param dataStoreFactory App Engine data store factory
    * @since 1.16

google-oauth-client-appengine/src/main/java/com/google/api/client/extensions/appengine/auth/oauth2/jakarta/AbstractAppEngineAuthorizationCodeCallbackServlet.java

@@ -43,7 +43,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * public class ServletCallbackSample extends AbstractAppEngineAuthorizationCodeCallbackServlet {
  *
  * &#64;Override
@@ -77,7 +77,7 @@
  * "https://server.example.com/authorize").setCredentialStore(new AppEngineCredentialStore())
  * .build();
  * }
- * </pre>
+ * }</pre>
  *
  * @since 1.36.0
  */

google-oauth-client-appengine/src/main/java/com/google/api/client/extensions/appengine/auth/oauth2/jakarta/AbstractAppEngineAuthorizationCodeServlet.java

@@ -43,7 +43,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * public class ServletSample extends AbstractAppEngineAuthorizationCodeServlet {
  *
  * &#64;Override
@@ -71,7 +71,7 @@
  * .build();
  * }
  * }
- * </pre>
+ * }</pre>
  *
  * @since 1.36.0
  */

google-oauth-client-java6/src/main/java/com/google/api/client/extensions/java6/auth/oauth2/FileCredentialStore.java

@@ -174,14 +174,14 @@ private void save() throws IOException {
    *
    * <p>Sample usage:
    *
-   * <pre>
+   * <pre>{@code
    * public static FileDataStore migrate(FileCredentialStore credentialStore, File dataDirectory)
    * throws IOException {
    * FileDataStore dataStore = new FileDataStore(dataDirectory);
    * credentialStore.migrateTo(dataStore);
    * return dataStore;
    * }
-   * </pre>
+   * }</pre>
    *
    * @param dataStoreFactory file data store factory
    * @throws IOException

google-oauth-client-servlet/src/main/java/com/google/api/client/extensions/servlet/auth/oauth2/AbstractAuthorizationCodeCallbackServlet.java

@@ -40,7 +40,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * public class ServletCallbackSample extends AbstractAuthorizationCodeCallbackServlet {
  *
  * &#64;Override
@@ -81,7 +81,7 @@
  * // return user ID
  * }
  * }
- * </pre>
+ * }</pre>
  *
  * @since 1.7
  * @author Yaniv Inbar

google-oauth-client-servlet/src/main/java/com/google/api/client/extensions/servlet/auth/oauth2/AbstractAuthorizationCodeServlet.java

@@ -49,7 +49,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * public class ServletSample extends AbstractAuthorizationCodeServlet {
  *
  * &#64;Override
@@ -83,7 +83,7 @@
  * // return user ID
  * }
  * }
- * </pre>
+ * }</pre>
  *
  * @since 1.7
  * @author Yaniv Inbar

google-oauth-client-servlet/src/main/java/com/google/api/client/extensions/servlet/auth/oauth2/jakarta/AbstractAuthorizationCodeCallbackServlet.java

@@ -40,7 +40,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * public class ServletCallbackSample extends AbstractAuthorizationCodeCallbackServlet {
  *
  * &#64;Override
@@ -81,7 +81,7 @@
  * // return user ID
  * }
  * }
- * </pre>
+ * }</pre>
  *
  * @since 1.36.0
  */

google-oauth-client-servlet/src/main/java/com/google/api/client/extensions/servlet/auth/oauth2/jakarta/AbstractAuthorizationCodeServlet.java

@@ -49,7 +49,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * public class ServletSample extends AbstractAuthorizationCodeServlet {
  *
  * &#64;Override
@@ -83,7 +83,7 @@
  * // return user ID
  * }
  * }
- * </pre>
+ * }</pre>
  *
  * @since 1.36.0
  */

google-oauth-client/src/main/java/com/google/api/client/auth/oauth/OAuthParameters.java

@@ -41,13 +41,13 @@
  *
  * <p>Sample usage, taking advantage that this class implements {@link HttpRequestInitializer}:
  *
- * <pre>
+ * <pre>{@code
  * public static HttpRequestFactory createRequestFactory(HttpTransport transport) {
  * OAuthParameters parameters = new OAuthParameters();
  * // ...
  * return transport.createRequestFactory(parameters);
  * }
- * </pre>
+ * }</pre>
  *
  * <p>If you have a custom request initializer, take a look at the sample usage for {@link
  * HttpExecuteInterceptor}, which this class also implements.

google-oauth-client/src/main/java/com/google/api/client/auth/oauth2/AuthorizationCodeFlow.java

@@ -174,15 +174,15 @@ protected AuthorizationCodeFlow(Builder builder) {
    * the {@link #getAuthorizationServerEncodedUrl()}, {@link #getClientId()}, and {@link
    * #getScopes()}. Sample usage:
    *
-   * <pre>
+   * <pre>{@code
    * private AuthorizationCodeFlow flow;
    *
    * public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
    * String url = flow.newAuthorizationUrl().setState("xyz")
    * .setRedirectUri("https://client.example.com/rd").build();
    * response.sendRedirect(url);
    * }
-   * </pre>
+   * }</pre>
    */
   public AuthorizationCodeRequestUrl newAuthorizationUrl() {
     AuthorizationCodeRequestUrl url =

google-oauth-client/src/main/java/com/google/api/client/auth/oauth2/AuthorizationCodeRequestUrl.java

@@ -31,14 +31,14 @@
  *
  * <p>Sample usage for a web application:
  *
- * <pre>
+ * <pre>{@code
  * public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
  * String url =
  * new AuthorizationCodeRequestUrl("https://server.example.com/authorize", "s6BhdRkqt3")
  * .setState("xyz").setRedirectUri("https://client.example.com/rd").build();
  * response.sendRedirect(url);
  * }
- * </pre>
+ * }</pre>
  *
  * <p>Implementation is not thread-safe.
  *

google-oauth-client/src/main/java/com/google/api/client/auth/oauth2/AuthorizationCodeResponseUrl.java

@@ -27,7 +27,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
  * StringBuffer fullUrlBuf = request.getRequestURL();
  * if (request.getQueryString() != null) {
@@ -42,7 +42,7 @@
  * // request access token using authResponse.getCode()...
  * }
  * }
- * </pre>
+ * }</pre>
  *
  * <p>Implementation is not thread-safe.
  *

google-oauth-client/src/main/java/com/google/api/client/auth/oauth2/AuthorizationCodeTokenRequest.java

@@ -34,7 +34,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * static void requestAccessToken() throws IOException {
  * try {
  * TokenResponse response =
@@ -58,7 +58,7 @@
  * }
  * }
  * }
- * </pre>
+ * }</pre>
  *
  * <p>Some OAuth 2.0 providers don't support {@link BasicAuthentication} but instead support {@link
  * ClientParametersAuthentication}. In the above sample code, simply replace the class name and it

google-oauth-client/src/main/java/com/google/api/client/auth/oauth2/AuthorizationRequestUrl.java

@@ -27,14 +27,14 @@
  *
  * <p>Sample usage for a web application:
  *
- * <pre>
+ * <pre>{@code
  * public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
  * String url = new AuthorizationRequestUrl(
  * "https://server.example.com/authorize", "s6BhdRkqt3", Arrays.asList("code")).setState("xyz")
  * .setRedirectUri("https://client.example.com/rd").build();
  * response.sendRedirect(url);
  * }
- * </pre>
+ * }</pre>
  *
  * <p>Implementation is not thread-safe.
  *

google-oauth-client/src/main/java/com/google/api/client/auth/oauth2/BrowserClientRequestUrl.java

@@ -27,14 +27,14 @@
  *
  * <p>Sample usage for a web application:
  *
- * <pre>
+ * <pre>{@code
  * public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
  * String url = new BrowserClientRequestUrl(
  * "https://server.example.com/authorize", "s6BhdRkqt3").setState("xyz")
  * .setRedirectUri("https://client.example.com/cb").build();
  * response.sendRedirect(url);
  * }
- * </pre>
+ * }</pre>
  *
  * <p>Implementation is not thread-safe.
  *

google-oauth-client/src/main/java/com/google/api/client/auth/oauth2/ClientCredentialsTokenRequest.java

@@ -32,7 +32,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * static void requestAccessToken() throws IOException {
  * try {
  * TokenResponse response =
@@ -56,7 +56,7 @@
  * }
  * }
  * }
- * </pre>
+ * }</pre>
  *
  * <p>Some OAuth 2.0 providers don't support {@link BasicAuthentication} but instead support {@link
  * ClientParametersAuthentication}. In the above sample code, simply replace the class name and it

google-oauth-client/src/main/java/com/google/api/client/auth/oauth2/ClientParametersAuthentication.java

@@ -33,7 +33,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * static void requestAccessToken() throws IOException {
  * try {
  * TokenResponse response = new AuthorizationCodeTokenRequest(new NetHttpTransport(),
@@ -56,7 +56,7 @@
  * }
  * }
  * }
- * </pre>
+ * }</pre>
  *
  * <p>Implementation is immutable and thread-safe.
  *

google-oauth-client/src/main/java/com/google/api/client/auth/oauth2/Credential.java

@@ -43,7 +43,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * public static Credential createCredentialWithAccessTokenOnly(
  * HttpTransport transport, JsonFactory jsonFactory, TokenResponse tokenResponse) {
  * return new Credential(BearerToken.authorizationHeaderAccessMethod()).setFromTokenResponse(
@@ -61,7 +61,7 @@
  * .build()
  * .setFromTokenResponse(tokenResponse);
  * }
- * </pre>
+ * }</pre>
  *
  * <p>If you need to persist the access token in a data store, use {@link DataStoreFactory} and
  * {@link Builder#addRefreshListener(CredentialRefreshListener)} with {@link

google-oauth-client/src/main/java/com/google/api/client/auth/oauth2/DataStoreCredentialRefreshListener.java

@@ -28,14 +28,14 @@
  * <p>It needs to be added as a refresh listener using {@link
  * Credential.Builder#addRefreshListener}. Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * static void addDataStoreCredentialRefreshListener(
  * Credential.Builder credentialBuilder, String userId, DataStoreFactory dataStoreFactory)
  * throws IOException {
  * credentialBuilder.addRefreshListener(
  * new DataStoreCredentialRefreshListener(userId, dataStoreFactory));
  * }
- * </pre>
+ * }</pre>
  *
  * @since 1.6
  * @author Yaniv Inbar

google-oauth-client/src/main/java/com/google/api/client/auth/oauth2/PasswordTokenRequest.java

@@ -35,7 +35,7 @@
  *
  * <p>Sample usage:
  *
- * <pre>
+ * <pre>{@code
  * static void requestAccessToken() throws IOException {
  * try {
  * TokenResponse response =
@@ -59,7 +59,7 @@
  * }
  * }
  * }
- * </pre>
+ * }</pre>
  *
  * <p>Some OAuth 2.0 providers don't support {@link BasicAuthentication} but instead support {@link
  * ClientParametersAuthentication}. In the above sample code, simply replace the class name and it