v2.0.5-cxf pom

README.md

@@ -1,7 +1,7 @@
 
 # Common ReST Client Library
 
-This project provides a library for Spring and POJO-based REST client instantiation.  It includes special classes for the Jersey JAXRS-based client frameworks.
+This project provides a library for Spring and POJO-based REST client instantiation.  It includes special classes with classifiers for two popular JAXRS-based client frameworks: Apache CXF and Jersey.
 
 ## Usage
 
@@ -15,7 +15,8 @@ First, you will need to include the library in your project.
         <dependency>
             <groupId>com.inteligr8</groupId>
             <artifactId>common-rest-client</artifactId>
-            <version>...-jersey</version>
+            <classifier>...</classifier>
+            <version>...</version>
         </dependency>
         ...
     </dependencies>
@@ -23,6 +24,8 @@ First, you will need to include the library in your project.
 </project>
 ```
 
+Valid `classifier` values are `cxf` or `jersey`.
+
 ### Spring Framework
 
 #### Single Client
@@ -33,27 +36,29 @@ If you will only be declaring a single client in your Spring context, this is ea
 @Component
 public class ... {
     @Autowired
-    @Qualifier("client.jersey")  // may be optional
+    @Qualifier("client.cxf")  // may be optional
     private Client client;
 }
 ```
 
-Next, you need to configure that client.  You can do that by providing a single implementation of the `ClientConfiguration` (or `ClientJerseyConfiguration`) interface.
+Next, you need to configure that client.  You can do that by providing a single implementation of the `ClientConfiguration` (or `ClientCxfConfiguration`) interface.
 
 ```java
 @Configuration
-public class ... implements ClientJerseyConfiguration {
+public class ... implements ClientCxfConfiguration {
     ...
 }
 ```
 
+For Jersey implementations, just use `client.jersey` and `ClientJerseyConfiguration`.  If you want to provide one of each, then follow the instructions for multiple clients below.
+
 #### Multiple Clients
 
 If you will or may have multiple clients in your Spring context, there is an extra step.  You will still need to define a `ClientConfiguration` for each.  On top of that, you will need to create specialized implementations of each client.  That special implementation will reference the configuration directly.  An example is below.
 
 ```java
 @Component("my.client")
-public class MyClient extends ClientJerseyImpl {
+public class MyClient extends ClientCxfImpl {
     @Autowired
     public MyClient(MyClientConfiguration config) {
         super(config);
@@ -82,6 +87,6 @@ You do not have to use the Spring framework to use these classes.  You can insta
 ```java
 MyClientConfiguration config = new MyClientConfiguration();
 ...
-ClientJerseyImpl client = new ClientJerseyImpl(config);
+ClientCxfImpl client = new ClientCxfImpl(config);
 MyJaxRsApi api = client.getApi(MyJaxRsApi.class);
 ```

pom.xml

@@ -6,11 +6,11 @@
 	
 	<groupId>com.inteligr8</groupId>
 	<artifactId>common-rest-client</artifactId>
-	<version>3.0.3-jersey</version>
+	<version>2.0.5-cxf</version>
 	<packaging>jar</packaging>
 
 	<name>ReST API Client for Java</name>
-	<description>A common library for building Jersey REST API clients</description>
+	<description>A common library for building CXF REST API clients</description>
 	<url>https://bitbucket.org/inteligr8/common-rest-client</url>
 
 	<licenses>
@@ -40,21 +40,16 @@
 
 	<properties>
 		<project.build.sourceEncoding>utf-8</project.build.sourceEncoding>
-		<maven.compiler.source>11</maven.compiler.source>
-		<maven.compiler.target>11</maven.compiler.target>
+		<maven.compiler.source>8</maven.compiler.source>
+		<maven.compiler.target>8</maven.compiler.target>
 
-		<junit.version>5.12.0</junit.version>
-		<spring.version>6.0.23</spring.version>
-		<jackson.version>2.17.3</jackson.version>
-		<jersey.version>3.1.10</jersey.version>
+		<junit.version>5.7.2</junit.version>
+		<spring.version>5.3.27</spring.version>
+		<jackson.version>2.15.1</jackson.version>
+		<cxf.version>3.5.6</cxf.version>
 	</properties>
 
 	<dependencies>
-		<dependency>
-			<groupId>jakarta.annotation</groupId>
-			<artifactId>jakarta.annotation-api</artifactId>
-			<version>2.1.1</version>
-		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-context</artifactId>
@@ -66,8 +61,8 @@
 			<version>${jackson.version}</version>
 		</dependency>
 		<dependency>
-			<groupId>com.fasterxml.jackson.jakarta.rs</groupId>
-			<artifactId>jackson-jakarta-rs-json-provider</artifactId>
+			<groupId>com.fasterxml.jackson.jaxrs</groupId>
+			<artifactId>jackson-jaxrs-json-provider</artifactId>
 			<version>${jackson.version}</version>
 		</dependency>
 		<dependency>
@@ -75,20 +70,15 @@
 			<artifactId>jackson-datatype-jsr310</artifactId>
 			<version>${jackson.version}</version>
 		</dependency>
-		<dependency>
-			<groupId>org.apache.commons</groupId>
-			<artifactId>commons-lang3</artifactId>
-			<version>3.17.0</version>
-		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
-			<version>2.0.17</version>
+			<version>1.7.36</version>
 		</dependency>
 		<dependency>
 			<groupId>jakarta.ws.rs</groupId>
 			<artifactId>jakarta.ws.rs-api</artifactId>
-			<version>3.1.0</version>
+			<version>2.1.6</version>
 		</dependency>
 		<dependency>
 			<groupId>org.junit.jupiter</groupId>
@@ -109,33 +99,11 @@
 			<scope>test</scope>
 		</dependency>
 		
-		<!-- Jersey libraries -->
+		<!-- Apache CXF libraries -->
 		<dependency>
-			<groupId>org.glassfish.jersey.ext</groupId>
-			<artifactId>jersey-proxy-client</artifactId>
-			<version>${jersey.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>org.glassfish.jersey.core</groupId>
-			<artifactId>jersey-client</artifactId>
-			<version>${jersey.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>org.glassfish.jersey.media</groupId>
-			<artifactId>jersey-media-multipart</artifactId>
-			<version>${jersey.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>org.glassfish.jersey.inject</groupId>
-			<artifactId>jersey-hk2</artifactId>
-			<version>${jersey.version}</version>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.glassfish.jersey.media</groupId>
-			<artifactId>jersey-media-json-jackson</artifactId>
-			<version>${jersey.version}</version>
-			<scope>test</scope>
+			<groupId>org.apache.cxf</groupId>
+			<artifactId>cxf-rt-rs-client</artifactId>
+			<version>${cxf.version}</version>
 		</dependency>
 	</dependencies>
 	
@@ -151,7 +119,7 @@
 						<goals><goal>add-source</goal></goals>
 						<configuration>
 							<sources>
-								<source>src/main/jersey</source>
+								<source>src/main/cxf</source>
 							</sources>
 						</configuration>
 					</execution>
@@ -160,7 +128,7 @@
 						<goals><goal>add-test-source</goal></goals>
 						<configuration>
 							<sources>
-								<source>src/test/jersey</source>
+								<source>src/test/cxf</source>
 							</sources>
 						</configuration>
 					</execution>
@@ -168,7 +136,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>3.4.0</version>
+				<version>3.1.0</version>
 				<dependencies>
 					<dependency>
 						<groupId>org.junit.jupiter</groupId>
@@ -179,7 +147,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-failsafe-plugin</artifactId>
-				<version>3.4.0</version>
+				<version>3.1.0</version>
 				<dependencies>
 					<dependency>
 						<groupId>org.junit.jupiter</groupId>
@@ -235,7 +203,7 @@
 					<plugin>
 						<groupId>org.sonatype.plugins</groupId>
 						<artifactId>nexus-staging-maven-plugin</artifactId>
-						<version>1.6.14</version>
+						<version>1.6.13</version>
 						<configuration>
 							<serverId>ossrh</serverId>
 							<nexusUrl>https://s01.oss.sonatype.org/</nexusUrl>

src/main/cxf/com/inteligr8/rs/ClientCxfConfiguration.java

@@ -14,22 +14,35 @@
  */
 package com.inteligr8.rs;
 
+import org.apache.cxf.jaxrs.client.WebClient;
+
 /**
- * This interface defines additional configurations specific to the Jersey
- * Jakarta RS library and its nuances.
+ * This interface defines additional configurations specific to the Apache CXF
+ * JAX-RS library and its nuances.
  * 
  * @author brian@inteligr8.com
  */
-public interface ClientJerseyConfiguration extends ClientConfiguration {
+public interface ClientCxfConfiguration extends ClientConfiguration {
 	
 	/**
-	 * Jersey is automatically strict in its adherence to the ReST API
-	 * specifications.  It requires a body to PUT calls by default.
+	 * Apache CXF uses a global bus configuration where interceptors could
+	 * wreck havoc on your implementation.  This method allows you to
+	 * explicitly by-pass the default bus.
 	 * 
-	 * @return true to require body in PUT calls; false to make it optional
+	 * See https://cxf.apache.org/docs/bus-configuration.html.
+	 * 
+	 * @return true to use the default bus; false otherwise.
 	 */
-	default boolean isPutBodyRequired() {
+	default boolean isDefaultBusEnabled() {
 		return true;
 	}
 
+    /**
+     * A Jackson provider, logging filter, and authentication filter are already registered.
+     * 
+     * @param client A CXF client to configure.
+     */
+	default void configureClient(WebClient client) {
+	}
+
 }

src/main/cxf/com/inteligr8/rs/ClientCxfImpl.java

@@ -0,0 +1,172 @@
+/*
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.inteligr8.rs;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import javax.annotation.PostConstruct;
+import javax.ws.rs.ext.RuntimeDelegate;
+
+import org.apache.cxf.BusFactory;
+import org.apache.cxf.jaxrs.client.JAXRSClientFactory;
+import org.apache.cxf.jaxrs.client.WebClient;
+import org.apache.cxf.jaxrs.impl.RuntimeDelegateImpl;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import com.fasterxml.jackson.jaxrs.json.JacksonJaxbJsonProvider;
+
+/**
+ * A class that provides pre-configured JAX-RS Client &amp; WebTarget &amp;
+ * CXF WebClient objects.
+ * 
+ * @author brian@inteligr8.com
+ */
+@Component("client.cxf")
+public class ClientCxfImpl extends Client {
+	
+	private final Logger logger = LoggerFactory.getLogger(ClientCxfImpl.class);
+
+    private final Object sync = new Object();
+	private ClientCxfConfiguration config;
+    private WebClient client;
+	
+	/**
+	 * This constructor is for Spring or POJO use.
+	 * @param config The client configuration.
+	 */
+	@Autowired
+	public ClientCxfImpl(ClientCxfConfiguration config) {
+		this.config = config;
+	}
+	
+	/**
+	 * This method registers the Apache CXF library as the default provider for
+	 * the JAX-RS specification.
+	 */
+	@PostConstruct
+	public void register() {
+		if (RuntimeDelegate.getInstance() == null) {
+			this.logger.info("Setting JAX-RS runtime delegate to the CXF library");
+			RuntimeDelegate.setInstance(new RuntimeDelegateImpl());
+		} else if (RuntimeDelegate.getInstance() instanceof RuntimeDelegateImpl) {
+			this.logger.info("JAX-RS runtime delegate already the CXF library");
+		} else {
+			this.logger.warn("Setting JAX-RS runtime delegate to the CXF library; was: " + RuntimeDelegate.getInstance().getClass().getName());
+			RuntimeDelegate.setInstance(new RuntimeDelegateImpl());
+		}
+		
+		if (this.logger.isInfoEnabled())
+			this.logger.info("API Base URL: " + this.getConfig().getBaseUrl());
+	}
+	
+	/**
+	 * @return A CXF client (not JAX-RS).
+	 */
+	public WebClient getCxfClient() {
+        synchronized (this.sync) {
+            if (this.client == null)
+                this.client = this.buildCxfClient(null);
+        }
+
+        return this.client;
+	}
+    
+    /**
+     * @param authFilter A dynamic authorization filter.
+     * @return A pre-configured CXF client (no URL) with the specified authorization.
+     */
+    public WebClient getCxfClient(AuthorizationFilter authFilter) {
+        if (authFilter == null) {
+            return this.getCxfClient();
+        } else {
+            return this.buildCxfClient(authFilter);
+        }
+    }
+	
+	/**
+	 * @param authFilter A post-configuration authorization filter.
+	 * @return A CXF client (not JAX-RS).
+	 */
+	public WebClient buildCxfClient(AuthorizationFilter authFilter) {
+        ObjectMapper om = new ObjectMapper();
+        om.registerModules(new JavaTimeModule());
+        this.getConfig().configureJacksonMapper(om);
+
+        JacksonJaxbJsonProvider jacksonProvider = new JacksonJaxbJsonProvider(om, JacksonJaxbJsonProvider.DEFAULT_ANNOTATIONS);
+        this.getConfig().configureJacksonProvider(jacksonProvider);
+        
+		List<Object> providersAndFilters = new LinkedList<Object>();
+		providersAndFilters.add(jacksonProvider);
+		providersAndFilters.add(new CxfLoggingFilter());
+		providersAndFilters.add(new CxfMultipartProvider());
+		
+		if (authFilter == null)
+			authFilter = this.getConfig().createAuthorizationFilter();
+		if (authFilter != null)
+			providersAndFilters.add(authFilter);
+		
+		this.addProvidersAndFilters(providersAndFilters);
+
+		// we can't use JAXRSClientFactory with a JAXRS client (duh!)
+		// so we need to create a CXF client
+		WebClient client = WebClient.create(this.getConfig().getBaseUrl(), providersAndFilters);
+
+		if (!this.getConfig().isDefaultBusEnabled()) {
+			// Some applications (like ACS) add interceptors to the default bus
+			// those interceptors may treat all messages as SOAP messages (like ACS), resulting in ClassCastExceptions
+			// we need to ignore the default bus
+			org.apache.cxf.jaxrs.client.ClientConfiguration config = WebClient.getConfig(client);
+			config.setBus(BusFactory.newInstance().createBus());
+		}
+		
+		this.config.configureClient(client);
+		
+		return client;
+	}
+	
+	/**
+	 * @param providersAndFilters A list of JAX-RS and CXF providers.
+	 */
+	public void addProvidersAndFilters(List<Object> providersAndFilters) {
+		// for extension purposes
+	}
+	
+	/**
+	 * @return The client configuration.
+	 */
+	public ClientCxfConfiguration getConfig() {
+		return this.config;
+	}
+
+	/**
+	 * This method retrieves a JAX-RS implementation of the specified API with
+	 * the specified authorization.
+	 * 
+	 * @param authFilter A dynamic authorization filter.
+	 * @param apiClass A JAX-RS annotation API class.
+	 * @return An instance of the API class.
+	 */
+	@Override
+	public <T> T getApi(AuthorizationFilter authFilter, Class<T> apiClass) {
+		return JAXRSClientFactory.fromClient(this.getCxfClient(authFilter), apiClass);
+	}
+
+}

src/main/cxf/com/inteligr8/rs/CxfLoggingFilter.java

@@ -0,0 +1,52 @@
+/*
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.inteligr8.rs;
+
+import java.io.IOException;
+import java.util.LinkedList;
+import java.util.List;
+
+import javax.ws.rs.client.ClientRequestContext;
+import javax.ws.rs.core.MediaType;
+
+import org.apache.cxf.jaxrs.ext.multipart.Attachment;
+import org.apache.cxf.jaxrs.ext.multipart.MultipartBody;
+import org.slf4j.Logger;
+
+/**
+ * This is a CXF specific handling of the logging of multipart requests, which
+ * would otherwise be ignored by the base LoggingFilter.  It is meant to be
+ * used for debugging purposes.  When used, it will write to 'jaxrs.request' and
+ * 'jaxrs.response' loggers at the 'trace' level.
+ * 
+ * @author brian@inteligr8.com
+ */
+public class CxfLoggingFilter extends LoggingFilter {
+	
+	@Override
+	protected void logUnhandledRequest(ClientRequestContext requestContext, Logger logger) throws IOException {
+		if (MediaType.MULTIPART_FORM_DATA_TYPE.equals(requestContext.getMediaType())) {
+			if (requestContext.getEntity() instanceof MultipartBody) {
+				List<String> attIds = new LinkedList<>();
+				for (Attachment att : ((MultipartBody)requestContext.getEntity()).getAllAttachments())
+					attIds.add(att.getContentId());
+				logger.trace("request: {} {}: {}", requestContext.getMethod(), requestContext.getUri(), attIds);
+			} else {
+				logger.trace("request: {} {}: failed to output form", requestContext.getMethod(), requestContext.getUri());
+			}
+		}
+	}
+
+}

src/main/cxf/com/inteligr8/rs/CxfMultipartProvider.java

@@ -0,0 +1,49 @@
+/*
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.inteligr8.rs;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.ext.Provider;
+
+import org.apache.cxf.jaxrs.ext.multipart.MultipartBody;
+import org.apache.cxf.jaxrs.provider.MultipartProvider;
+
+/**
+ * This implements a JAX-RS provider that adds support for the handling of CXF
+ * MultipartBody.
+ * 
+ * @author brian@inteligr8.com
+ */
+@Consumes(MediaType.MULTIPART_FORM_DATA)
+@Produces(MediaType.MULTIPART_FORM_DATA)
+@Provider
+public class CxfMultipartProvider extends MultipartProvider {
+	
+	@Override
+	public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
+		return MultipartBody.class.isAssignableFrom(type) || super.isReadable(type, genericType, annotations, mediaType);
+	}
+	
+	@Override
+	public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
+		return MultipartBody.class.isAssignableFrom(type) || super.isWriteable(type, genericType, annotations, mediaType);
+	}
+
+}

src/main/java/com/inteligr8/rs/AuthorizationFilter.java

@@ -14,7 +14,7 @@
  */
 package com.inteligr8.rs;
 
-import jakarta.ws.rs.client.ClientRequestFilter;
+import javax.ws.rs.client.ClientRequestFilter;
 
 /**
  * This is a marker that allows the developer to segregate, restrict, or limit

src/main/java/com/inteligr8/rs/BasicAuthorizationFilter.java

@@ -17,10 +17,8 @@ package com.inteligr8.rs;
 import java.io.UnsupportedEncodingException;
 import java.util.Base64;
 
-import jakarta.ws.rs.client.ClientRequestContext;
-import jakarta.ws.rs.core.HttpHeaders;
-
-import org.apache.commons.lang3.StringUtils;
+import javax.ws.rs.client.ClientRequestContext;
+import javax.ws.rs.core.HttpHeaders;
 
 /**
  * This class implements a simple 2-credential (username & password) based
@@ -34,14 +32,12 @@ public class BasicAuthorizationFilter implements AuthorizationFilter {
 	private final String password;
 	
 	/**
-	 * This constructor instantiates the filter with required fields.
-	 * 
 	 * @param username A username or access key.
 	 * @param password A password or secret key.
 	 */
 	public BasicAuthorizationFilter(String username, String password) {
-		this.username = StringUtils.trimToNull(username);
-		this.password = StringUtils.trimToNull(password);
+		this.username = username;
+		this.password = password;
 	}
 	
 	/**

src/main/java/com/inteligr8/rs/BearerTokenAuthorizationFilter.java

@@ -14,8 +14,8 @@
  */
 package com.inteligr8.rs;
 
-import jakarta.ws.rs.client.ClientRequestContext;
-import jakarta.ws.rs.core.HttpHeaders;
+import javax.ws.rs.client.ClientRequestContext;
+import javax.ws.rs.core.HttpHeaders;
 
 /**
  * This class implements a simple long living or proxied token-based
@@ -32,8 +32,6 @@ public class BearerTokenAuthorizationFilter implements AuthorizationFilter {
 	private final String token;
 	
 	/**
-	 * This constructor instantiates the filter with required fields.
-	 * 
 	 * @param token A 'Bearer' token.
 	 */
 	public BearerTokenAuthorizationFilter(String token) {

src/main/java/com/inteligr8/rs/Client.java

@@ -14,41 +14,34 @@
  */
 package com.inteligr8.rs;
 
-import java.util.concurrent.TimeUnit;
-
-import jakarta.ws.rs.client.ClientBuilder;
-import jakarta.ws.rs.client.WebTarget;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.WebTarget;
 
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
-import com.fasterxml.jackson.jakarta.rs.json.JacksonJsonProvider;
+import com.fasterxml.jackson.jaxrs.json.JacksonJaxbJsonProvider;
 
 /**
- * A class that provides pre-configured Jakarta RS Client & WebTarget objects.
+ * A class that provides pre-configured JAX-RS Client & WebTarget objects.
  * 
  * @author brian@inteligr8.com
  */
 public abstract class Client {
 	
 	private final Object sync = new Object();
-	private jakarta.ws.rs.client.Client client;
+	private javax.ws.rs.client.Client client;
 	
 	/**
-	 * This method retrieves the configuration for the client.
-	 * 
 	 * @return The client configuration.
 	 */
 	public abstract ClientConfiguration getConfig();
 	
 	/**
-	 * This method retrieves an anonymous cached instance of the underlying
-	 * Jakarta RS client.
-	 * 
-	 * @return A pre-configured Jakarta RS client (no URL) with configured authorization.
+	 * @return A pre-configured JAX-RS client (no URL) with configured authorization.
 	 */
-	public final jakarta.ws.rs.client.Client getClient() {
+	public final javax.ws.rs.client.Client getClient() {
 		synchronized (this.sync) {
 			if (this.client == null)
 				this.client = this.buildClient((AuthorizationFilter)null);
@@ -58,13 +51,10 @@ public abstract class Client {
 	}
 	
 	/**
-	 * This method retrieves either an anonymous cached instance or builds an
-	 * authorized instance of the underlying Jakarta RS client.
-	 * 
 	 * @param authFilter A dynamic authorization filter.
-	 * @return A pre-configured Jakarta RS client (no URL) with the specified authorization.
+	 * @return A pre-configured JAX-RS client (no URL) with the specified authorization.
 	 */
-	public jakarta.ws.rs.client.Client getClient(AuthorizationFilter authFilter) {
+	public javax.ws.rs.client.Client getClient(AuthorizationFilter authFilter) {
 		if (authFilter == null) {
 			return this.getClient();
 		} else {
@@ -73,17 +63,18 @@ public abstract class Client {
 	}
 	
 	/**
-	 * This method builds a new Jakarta RS client with optional authorization.
-	 * 
 	 * @param authFilter A dynamic authorization filter.
-	 * @return A pre-configured Jakarta RS client (no URL) with the specified authorization.
+	 * @return A pre-configured JAX-RS client (no URL) with the specified authorization.
 	 */
-	public final jakarta.ws.rs.client.Client buildClient(AuthorizationFilter authFilter) {
+	public final javax.ws.rs.client.Client buildClient(AuthorizationFilter authFilter) {
 	    ObjectMapper om = new ObjectMapper();
 	    om.registerModules(new JavaTimeModule());
 	    this.getConfig().configureJacksonMapper(om);
 	    
-	    JacksonJsonProvider provider = new JacksonJsonProvider(om, JacksonJsonProvider.BASIC_ANNOTATIONS);
+	    JacksonJaxbJsonProvider provider = new JacksonJaxbJsonProvider(om, JacksonJaxbJsonProvider.DEFAULT_ANNOTATIONS);
+        provider.enable(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL);
+	    provider.disable(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_USING_DEFAULT_VALUE);
+	    
 		this.getConfig().configureJacksonProvider(provider);
         
 		if (this.getConfig().isWrapRootValueEnabled())
@@ -94,36 +85,27 @@ public abstract class Client {
 		ClientBuilder clientBuilder = ClientBuilder.newBuilder()
 				.register(provider)
 				.register(new LoggingFilter());
-		
-		if (this.getConfig().getConnectTimeoutInMillis() != null)
-		    clientBuilder.connectTimeout(this.getConfig().getConnectTimeoutInMillis(), TimeUnit.MILLISECONDS);
-        if (this.getConfig().getResponseTimeoutInMillis() != null)
-            clientBuilder.readTimeout(this.getConfig().getResponseTimeoutInMillis(), TimeUnit.MILLISECONDS);
 
 		if (authFilter == null)
 			authFilter = this.getConfig().createAuthorizationFilter();
 		if (authFilter != null)
 			clientBuilder.register(authFilter);
 		this.buildClient(clientBuilder);
+		
 		this.getConfig().configureClient(clientBuilder);
 		
 		return clientBuilder.build();
 	}
     
     /**
-	 * This method allows sub-classes to extend the Jakarta RS client builder
-	 * before the client is built.
-	 * 
-     * @param clientBuilder A Jakarta RS client builder.
+     * @param clientBuilder A client builder
      */
     public void buildClient(ClientBuilder clientBuilder) {
         // for extension purposes
     }
 
 	/**
-	 * This method builds an anonymous Jakarta RS target.
-	 * 
-	 * @return A pre-configured Jakarta RS target (client w/ base URL) with configured authorization.
+	 * @return A pre-configured JAX-RS target (client w/ base URL) with configured authorization.
 	 */
 	public final WebTarget getTarget() {
 		return this.getClient()
@@ -131,10 +113,8 @@ public abstract class Client {
 	}
 
 	/**
-	 * This method builds an authorized Jakarta RS target.
-	 * 
 	 * @param authFilter A dynamic authorization filter.
-	 * @return A pre-configured Jakarta RS target (client w/ base URL) with the specified authorization.
+	 * @return A pre-configured JAX-RS target (client w/ base URL) with the specified authorization.
 	 */
 	public WebTarget getTarget(AuthorizationFilter authFilter) {
 		if (authFilter == null) {
@@ -146,10 +126,10 @@ public abstract class Client {
 	}
 	
 	/**
-	 * This method retrieves a Jakarta RS implementation of the specified API.
+	 * This method retrieves a JAX-RS implementation of the specified API.
 	 * 
-	 * @param <T> A Jakarta RS annotated API class.
-	 * @param apiClass A Jakarta RS annotated API class.
+	 * @param <T> A JAX-RS annotated API class.
+	 * @param apiClass A JAX-RS annotated API class.
 	 * @return An instance of the API class.
 	 */
 	public final <T> T getApi(Class<T> apiClass) {
@@ -157,12 +137,12 @@ public abstract class Client {
 	}
 
 	/**
-	 * This method retrieves a Jakarta RS implementation of the specified API with
+	 * This method retrieves a JAX-RS implementation of the specified API with
 	 * the specified authorization.
 	 * 
-	 * @param <T> A Jakarta RS annotated API class.
+	 * @param <T> A JAX-RS annotated API class.
 	 * @param authFilter A dynamic authorization filter.
-	 * @param apiClass A Jakarta RS annotated API class.
+	 * @param apiClass A JAX-RS annotated API class.
 	 * @return An instance of the API class.
 	 */
 	public abstract <T> T getApi(AuthorizationFilter authFilter, Class<T> apiClass);

src/main/java/com/inteligr8/rs/ClientConfiguration.java

@@ -16,10 +16,10 @@ package com.inteligr8.rs;
 
 import java.net.URI;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.jakarta.rs.json.JacksonJsonProvider;
+import javax.ws.rs.client.ClientBuilder;
 
-import jakarta.ws.rs.client.ClientBuilder;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.jaxrs.json.JacksonJaxbJsonProvider;
 
 /**
  * This interface defines the configurable parameters of the clients; primarily
@@ -30,189 +30,120 @@ import jakarta.ws.rs.client.ClientBuilder;
 public interface ClientConfiguration {
 	
 	/**
-	 * This method retrieves the base/root URL of the client service.
-	 * 
-	 * @return The URL.
+	 * @return The base or root URL of the service.
 	 */
 	String getBaseUrl();
 	
 	/**
-	 * This method retrieves the username to use in HTTP BASIC authentication/authorization.
-	 * 
-	 * @return A username.
+	 * @return The username for BASIC authentication.
 	 */
 	default String getBasicAuthUsername() {
 		return null;
 	}
 
 	/**
-	 * This method retrieves the password to use in HTTP BASIC authentication/authorization.
-	 * 
-	 * @return The corresponding password for the username.
+	 * @return The corresponding password for the username in BASIC authentication.
 	 */
 	default String getBasicAuthPassword() {
 		return null;
 	}
 	
 	/**
-	 * This method retrieves the client identifier to use in Client Enforcement authorization.
-	 * 
-	 * @return A client identifier.
+	 * @return The client ID for Client Enforcement authentication.
 	 */
 	default String getClientId() {
 		return null;
 	}
 
 	/**
-	 * This method retrieves the client secret to use in Client Enforcement authorization.
-	 * 
-	 * @return The corresponding client secret for the client identifier.
+	 * @return The corresponding client secret for the client ID in Client Enforcement authentication.
 	 */
 	default String getClientSecret() {
 		return null;
 	}
 	
 	/**
-	 * This method retrieves the token to use in HTTP BEARER authorization.
-	 * This is provided in a response to the token URL.
-	 * 
-	 * @return An access token.
+	 * @return The token for BEARER authorization.
 	 */
 	default String getBearerToken() {
 		return null;
 	}
 	
 	/**
-	 * This method retrieves the token URL to use for OAuth authorization.
-	 * The value can be pulled from OAuth endpoint well-known meta-data.  That
-	 * endpoint or the token URL itself may also be provided OAuth IdP
-	 * administrator.
-	 * 
-	 * @return An OAuth token URL.
+	 * @return The token URL for OAuth authorization.
 	 */
 	default String getOAuthTokenUrl() {
 		return null;
 	}
 	
 	/**
-	 * This method retrieves the client identifier to use in OAuth
-	 * authorization.  This is provided by the OAuth IdP administrator or
-	 * tooling.
-	 * 
-	 * @return A client identifier.
+	 * @return The client ID provided by the OAuth IdP administrator.
 	 */
 	default String getOAuthClientId() {
 		return this.getClientId();
 	}
 
 	/**
-	 * This method retrieves the client secret to use in OAuth authorization.
-	 * This is provided by the OAuth IdP administrator or tooling.
-	 * 
-	 * @return The corresponding client secret for the client identifier.
+	 * @return The corresponding client secret for the client ID provided by the OAuth IdP administrator.
 	 */
 	default String getOAuthClientSecret() {
 		return this.getClientSecret();
 	}
 	
 	/**
-	 * This method retrieves the authorization code to use in OAuth
-	 * Authorization Code flow.  This is provided by the OAuth IdP
-	 * administrator or tooling.
-	 * 
-	 * @return An authorization code.
+	 * @return The authorization code used in the OAuth Authorization Code flow.
 	 */
 	default String getOAuthAuthCode() {
 		return null;
 	}
 	
 	/**
-	 * This method retrieves the redirect URL to use in OAuth Authorization
-	 * Code flow.  This has meaning to the client-side web application.
-	 * 
-	 * @return A URL for the OAuth flow to redirect to when complete.
+	 * @return The redirect URL used in the OAuth Authorization Code flow.
 	 */
 	default String getOAuthAuthRedirectUri() {
 		return null;
 	}
 	
 	/**
-	 * This method retrieves the username to use in OAuth Password Grant flow.
-	 * This is provided by the OAuth IdP administrator or tooling.
-	 * 
-	 * @return A username.
+	 * @return The username used in the OAuth Password Grant flow.
 	 */
 	default String getOAuthUsername() {
 		return null;
 	}
 	
 	/**
-	 * This method retrieves the password to use in OAuth Password Grant flow.
-	 * This is provided by the OAuth IdP administrator or tooling.
-	 * 
-	 * @return The corresponding password for the username.
+	 * @return The corresponding password for the username used in the OAuth Password Grant flow.
 	 */
 	default String getOAuthPassword() {
 		return null;
 	}
 	
 	
-	
-	/**
-	 * This method retrieves the connection (before request sent) timeout for
-	 * the client.
-	 * 
-	 * @return A timeout in milliseconds.
-	 */
-	default Integer getConnectTimeoutInMillis() {
-	    return null;
-	}
-	
-	/**
-	 * This method retrieves the response (after request sent) timeout for the
-	 * client.
-	 * 
-	 * @return A timeout in milliseconds.
-	 */
-	default Integer getResponseTimeoutInMillis() {
-	    return null;
-	}
-	
-	
 
 	/**
-	 * This method enables/disables the JackSON UNWRAP_ROOT_VALUE feature.
-	 * 
-	 * @return `true` to enable; `false` otherwise.
+	 * @return true to enable Jackson UNWRAP_ROOT_VALUE feature; false otherwise.
 	 */
 	default boolean isUnwrapRootValueEnabled() {
 		return false;
 	}
 
 	/**
-	 * This method enables/disables the JackSON WRAP_ROOT_VALUE feature.
-	 * 
-	 * @return `true` to enable; `false` otherwise.
+	 * @return true to enable Jackson WRAP_ROOT_VALUE feature; false otherwise.
 	 */
 	default boolean isWrapRootValueEnabled() {
 		return false;
 	}
     
     /**
-	 * This method allows sub-classes to extend the JackSON mapper
-	 * configuration and behavior.
-	 * 
-     * @param mapper A JackSON object mapper.
+     * @param mapper A Jackson object mapper to configure.
      */
     default void configureJacksonMapper(ObjectMapper mapper) {
     }
 	
 	/**
-	 * This method allows sub-classes to extend the JackSON JSON provider.
-	 * 
-	 * @param provider A JackSON Jakarta RS provider.
+	 * @param provider A Jackson JAX-RS provider to configure.
 	 */
-	default void configureJacksonProvider(JacksonJsonProvider provider) {
+	default void configureJacksonProvider(JacksonJaxbJsonProvider provider) {
 	}
 	
 	

src/main/java/com/inteligr8/rs/ClientEnforcementAuthorizationFilter.java

@@ -14,9 +14,7 @@
  */
 package com.inteligr8.rs;
 
-import jakarta.ws.rs.client.ClientRequestContext;
-
-import org.apache.commons.lang3.StringUtils;
+import javax.ws.rs.client.ClientRequestContext;
 
 /**
  * This class is the base for implementations of client authorization similar
@@ -47,8 +45,8 @@ public class ClientEnforcementAuthorizationFilter implements AuthorizationFilter
 	 * @param clientSecret A secret corresponding to the client ID.
 	 */
 	public ClientEnforcementAuthorizationFilter(String clientId, String clientSecret) {
-		this.clientId = StringUtils.trimToNull(clientId);
-		this.clientSecret = StringUtils.trimToNull(clientSecret);
+		this.clientId = clientId;
+		this.clientSecret = clientSecret;
 	}
 
 	/**

src/main/java/com/inteligr8/rs/ClientImpl.java

@@ -1,66 +0,0 @@
-/*
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.
- * 
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- * 
- * You should have received a copy of the GNU General Public License along
- * with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-package com.inteligr8.rs;
-
-import jakarta.annotation.PostConstruct;
-import jakarta.ws.rs.client.ClientBuilder;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * A class that provides pre-configured Jakarta RS Client &amp; WebTarget
- * objects.
- * 
- * @author brian@inteligr8.com
- */
-public class ClientImpl extends Client {
-	
-	private final Logger logger = LoggerFactory.getLogger(ClientImpl.class);
-	
-	private ClientConfiguration config;
-	
-	/**
-	 * This constructor is for Spring or POJO use.
-	 * 
-	 * @param config The client configuration.
-	 */
-	public ClientImpl(ClientConfiguration config) {
-		this.config = config;
-	}
-
-	/**
-	 * This method is a placeholder.
-	 */
-	@PostConstruct
-	public void register() {
-		this.logger.info("API Base URL: {}", this.getConfig().getBaseUrl());
-	}
-	
-	@Override
-	public void buildClient(ClientBuilder clientBuilder) {
-	}
-	
-	@Override
-	public ClientConfiguration getConfig() {
-		return this.config;
-	}
-
-	@Override
-	public <T> T getApi(AuthorizationFilter authFilter, Class<T> apiClass) {
-		throw new UnsupportedOperationException();
-	}
-
-}

src/main/java/com/inteligr8/rs/ForwardingAuthorizationFilter.java

@@ -14,8 +14,8 @@
  */
 package com.inteligr8.rs;
 
-import jakarta.ws.rs.client.ClientRequestContext;
-import jakarta.ws.rs.core.HttpHeaders;
+import javax.ws.rs.client.ClientRequestContext;
+import javax.ws.rs.core.HttpHeaders;
 
 /**
  * This class implements a proxied or forwarded authorization header based
@@ -32,8 +32,6 @@ public class ForwardingAuthorizationFilter implements AuthorizationFilter {
 	private final String authorizationHeaderValue;
 	
 	/**
-	 * This constructor instantiates the filter with required fields.
-	 * 
 	 * @param authorizationHeaderValue A previously used or formulated 'Authorization' header.
 	 */
 	public ForwardingAuthorizationFilter(String authorizationHeaderValue) {

src/main/java/com/inteligr8/rs/HeaderAuthorizationFilter.java

@@ -1,68 +0,0 @@
-/*
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.
- * 
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- * 
- * You should have received a copy of the GNU General Public License along
- * with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-package com.inteligr8.rs;
-
-import java.io.UnsupportedEncodingException;
-import java.util.List;
-import java.util.Map.Entry;
-
-import org.springframework.util.LinkedMultiValueMap;
-import org.springframework.util.MultiValueMap;
-
-import jakarta.ws.rs.client.ClientRequestContext;
-
-/**
- * This class implements a header-based authorization filter.
- *  
- * @author brian@inteligr8.com
- */
-public class HeaderAuthorizationFilter implements AuthorizationFilter {
-	
-	private final MultiValueMap<String, Object> headers = new LinkedMultiValueMap<>();
-	
-	/**
-	 * This constructor instantiates the filter with required fields.
-	 * 
-	 * @param headerName A header name.
-	 * @param headerValue A header value.
-	 */
-    public HeaderAuthorizationFilter(String headerName, Object headerValue) {
-	    this.headers.add(headerName, headerValue);
-	}
-    
-	/**
-	 * This method adds another header name/value to outgoing requests.
-	 * 
-	 * @param headerName A header name.
-	 * @param headerValue A header value.
-	 * @return This class for fluent chaining.
-	 */
-    public HeaderAuthorizationFilter add(String headerName, Object headerValue) {
-        this.headers.add(headerName, headerValue);
-        return this;
-    }
-	
-	/**
-	 * This method applies the 'Authorization' header to the {@link ClientRequestContext}.
-	 * 
-	 * @param requestContext A request context.
-	 */
-	@Override
-	public void filter(ClientRequestContext requestContext) throws UnsupportedEncodingException {
-	    for (Entry<String, List<Object>> header : this.headers.entrySet())
-	        requestContext.getHeaders().put(header.getKey(), header.getValue());
-	}
-
-}

src/main/java/com/inteligr8/rs/LoggingFilter.java

@@ -16,12 +16,12 @@ package com.inteligr8.rs;
 
 import java.io.IOException;
 
-import jakarta.ws.rs.client.ClientRequestContext;
-import jakarta.ws.rs.client.ClientRequestFilter;
-import jakarta.ws.rs.client.ClientResponseContext;
-import jakarta.ws.rs.client.ClientResponseFilter;
-import jakarta.ws.rs.core.Form;
-import jakarta.ws.rs.core.MediaType;
+import javax.ws.rs.client.ClientRequestContext;
+import javax.ws.rs.client.ClientRequestFilter;
+import javax.ws.rs.client.ClientResponseContext;
+import javax.ws.rs.client.ClientResponseFilter;
+import javax.ws.rs.core.Form;
+import javax.ws.rs.core.MediaType;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -58,7 +58,7 @@ public class LoggingFilter implements ClientRequestFilter, ClientResponseFilter
 				logger.trace("request: {} {}: {}", requestContext.getMethod(), requestContext.getUri(),
 						((Form)requestContext.getEntity()).asMap());
 			} else {
-				logger.trace("request: {} {}: failed to output form", requestContext.getMethod(), requestContext.getUri());
+				this.loggerRequest.trace("request: {} {}: failed to output form", requestContext.getMethod(), requestContext.getUri());
 			}
 		} else {
 			this.logUnhandledRequest(requestContext, logger);

src/main/java/com/inteligr8/rs/OAuthAuthorizationCodeAuthorizationFilter.java

@@ -16,11 +16,7 @@ package com.inteligr8.rs;
 
 import java.net.URI;
 
-import jakarta.ws.rs.core.Form;
-
-import org.apache.commons.lang3.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import javax.ws.rs.core.Form;
 
 /**
  * This class implements the OAuth Authorization Code flow as an authorization
@@ -29,8 +25,6 @@ import org.slf4j.LoggerFactory;
  * @author brian@inteligr8.com
  */
 public class OAuthAuthorizationCodeAuthorizationFilter extends OAuthAuthorizationFilter {
-    
-    private final Logger logger = LoggerFactory.getLogger(this.getClass());
 	
 	private final String code;
 	private final URI redirectUri;
@@ -74,22 +68,17 @@ public class OAuthAuthorizationCodeAuthorizationFilter extends OAuthAuthorizatio
 	public OAuthAuthorizationCodeAuthorizationFilter(String tokenUrl, String clientId, String clientSecret, String code, URI redirectUri) {
 		super(tokenUrl, clientId, clientSecret);
 		
-		this.code = StringUtils.trimToNull(code);
+		this.code = code;
 		this.redirectUri = redirectUri;
 	}
 	
 	@Override
 	protected Form createForm() {
-        this.logger.debug("Using OAuth grant_type 'authorization_code'");
-		Form form = new Form().param("grant_type", "authorization_code");
+		Form form = new Form().param("grant_type", "authorization_code")
+				.param("code", this.code);
 		if (this.redirectUri != null)
 			form.param("redirect_uri", this.redirectUri.toString());
 		return form;
 	}
-	
-	@Override
-	protected void extendFormSensitive(Form form) {
-	    form.param("code", this.code);
-	}
 
 }

src/main/java/com/inteligr8/rs/OAuthAuthorizationFilter.java

@@ -16,22 +16,15 @@ package com.inteligr8.rs;
 
 import java.util.Map;
 
-import jakarta.ws.rs.WebApplicationException;
-import jakarta.ws.rs.client.Client;
-import jakarta.ws.rs.client.ClientBuilder;
-import jakarta.ws.rs.client.ClientRequestContext;
-import jakarta.ws.rs.client.Entity;
-import jakarta.ws.rs.client.WebTarget;
-import jakarta.ws.rs.core.Form;
-import jakarta.ws.rs.core.HttpHeaders;
-import jakarta.ws.rs.core.Response;
-import jakarta.ws.rs.core.Response.Status.Family;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.ClientRequestContext;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.Form;
+import javax.ws.rs.core.HttpHeaders;
 
-import org.apache.commons.lang3.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.fasterxml.jackson.jakarta.rs.json.JacksonJsonProvider;
+import com.fasterxml.jackson.jaxrs.json.JacksonJaxbJsonProvider;
 
 /**
  * This class is the base for implementations of OAuth authorization flows.
@@ -40,8 +33,6 @@ import com.fasterxml.jackson.jakarta.rs.json.JacksonJsonProvider;
  */
 public abstract class OAuthAuthorizationFilter implements AuthorizationFilter {
 	
-    private final Logger logger = LoggerFactory.getLogger(this.getClass());
-    
 	private final String tokenUrl;
 	private final String clientId;
 	private final String clientSecret;
@@ -49,7 +40,6 @@ public abstract class OAuthAuthorizationFilter implements AuthorizationFilter {
 	private String accessToken;
 	private long expiration;
 	private String refreshToken;
-	private Long refreshTokenExpiration;
 	
 	/**
 	 * This constructor creates an OAuth-based authorization filter using the
@@ -89,9 +79,9 @@ public abstract class OAuthAuthorizationFilter implements AuthorizationFilter {
 	 */
 	public OAuthAuthorizationFilter(String tokenUrl, String clientId, String clientSecret, String scope) {
 		this.tokenUrl = tokenUrl;
-		this.clientId = StringUtils.trimToNull(clientId);
-		this.clientSecret = StringUtils.trimToNull(clientSecret);
-		this.scope = StringUtils.trimToNull(scope);
+		this.clientId = clientId;
+		this.clientSecret = clientSecret;
+		this.scope = scope;
 	}
 
 	/**
@@ -101,29 +91,8 @@ public abstract class OAuthAuthorizationFilter implements AuthorizationFilter {
 	 */
 	@Override
 	public void filter(ClientRequestContext requestContext) {
-		if (this.accessToken == null) {
-		    this.requestToken();
-		} else if (System.currentTimeMillis() >= this.expiration) {
-            this.logger.trace("Access token expired; retrieving new one with refresh token");
-            
-		    if (this.refreshTokenExpiration != null && System.currentTimeMillis() >= this.refreshTokenExpiration.longValue()) {
-                this.logger.debug("Refresh token expired; performing full authentication");
-                this.refreshToken = null;
-                this.requestToken();
-		    } else {
-    		    try {
-    		        this.requestToken();
-                } catch (WebApplicationException wae) {
-                    if (wae.getResponse().getStatusInfo().getFamily() == Family.CLIENT_ERROR) {
-                        this.logger.debug("Received OAuth response {} using refresh token; performing full authentication", wae.getResponse().getStatus());
-                        this.refreshToken = null;
-                        this.requestToken();
-                    } else {
-                        throw wae;
-                    }
-                }
-		    }
-		}
+		if (this.accessToken == null || System.currentTimeMillis() > this.expiration)
+			this.requestToken();
 		
 		requestContext.getHeaders().add(HttpHeaders.AUTHORIZATION, "Bearer " + this.accessToken);
 	}
@@ -142,53 +111,29 @@ public abstract class OAuthAuthorizationFilter implements AuthorizationFilter {
 		}
 
 		form.param("client_id", this.clientId);
+		if (this.clientSecret != null)
+			form.param("client_secret", this.clientSecret);
 		if (this.scope != null)
 			form.param("scope", this.scope);
-		
-		this.logger.trace("Sending OAuth request: {}", form);
-		
-		if (this.refreshToken != null) {
-		    this.extendRefreshFormSensitive(form);
-		} else {
-            this.extendFormSensitive(form);
-		}
-
-        if (this.clientSecret != null)
-            form.param("client_secret", this.clientSecret);
+		this.extendRefreshTokenForm(form);
 		
 		Entity<Form> entity = Entity.form(form);
 		
-		Client client = ClientBuilder.newBuilder()
-                .register(new JacksonJsonProvider())
-                .build();
-		WebTarget target = client.target(this.tokenUrl);
-		
-		long requestSendTime = System.currentTimeMillis();
+		WebTarget target = ClientBuilder.newBuilder()
+				.register(new JacksonJaxbJsonProvider())
+				.build()
+				.target(this.tokenUrl);
 
-		Response response = target.request().post(entity);
+		@SuppressWarnings("unchecked")
+		Map<String, Object> response = target.request().post(entity, Map.class);
 		
-        this.logger.debug("Received OAuth response: {}", response.getStatus());
-
-        @SuppressWarnings("unchecked")
-        Map<String, Object> responseMap = response.readEntity(Map.class);
-
-        this.logger.trace("Received OAuth response: {}", responseMap);
+		if (response.containsKey("error"))
+			throw new WebApplicationException((String)response.get("error"), 400);
 		
-		if (response.getStatusInfo().getFamily() != Family.SUCCESSFUL) {
-            String code = (String) responseMap.get("error");
-            if (code != null) {
-                String description = (String) responseMap.get("error_description");
-    			throw new WebApplicationException(code + ": " + description, response.getStatus());
-            } else {
-                throw new WebApplicationException(response);
-            }
-		}
-		
-		this.accessToken = (String)responseMap.get("access_token");
-		this.expiration = requestSendTime + ((Number)responseMap.get("expires_in")).longValue() * 1000L;
-		this.refreshToken = (String)responseMap.get("refresh_token");
-		if (responseMap.containsKey("refresh_token_expires_in"))
-		    this.refreshTokenExpiration = requestSendTime + ((Number)responseMap.get("refresh_token_expires_in")).longValue() * 1000L;
+		this.accessToken = (String)response.get("access_token");
+		this.expiration = System.currentTimeMillis() + ((Number)response.get("expires_in")).longValue() * 1000L;
+		this.refreshToken = (String)response.get("refresh_token");
+		this.extendRefreshTokenResponse(response);
 	}
 	
 	protected Form createRefreshForm() {
@@ -198,9 +143,10 @@ public abstract class OAuthAuthorizationFilter implements AuthorizationFilter {
 	
 	protected abstract Form createForm();
 	
-	protected void extendRefreshFormSensitive(Form form) {
+	protected void extendRefreshTokenForm(Form form) {
+	}
+	
+	protected void extendRefreshTokenResponse(Map<String, Object> response) {
 	}
 
-    protected abstract void extendFormSensitive(Form form);
-
 }

src/main/java/com/inteligr8/rs/OAuthClientCredentialAuthorizationFilter.java

@@ -14,10 +14,7 @@
  */
 package com.inteligr8.rs;
 
-import jakarta.ws.rs.core.Form;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import javax.ws.rs.core.Form;
 
 /**
  * This class implements the OAuth Client Credential flow as an authorization
@@ -26,8 +23,6 @@ import org.slf4j.LoggerFactory;
  * @author brian@inteligr8.com
  */
 public class OAuthClientCredentialAuthorizationFilter extends OAuthAuthorizationFilter {
-    
-    private final Logger logger = LoggerFactory.getLogger(this.getClass());
 
 	/**
 	 * @param tokenUrl The URL to the OAuth IdP token service.
@@ -40,12 +35,7 @@ public class OAuthClientCredentialAuthorizationFilter extends OAuthAuthorization
 	
 	@Override
 	protected Form createForm() {
-        this.logger.debug("Using OAuth grant_type 'client_credentials'");
 		return new Form().param("grant_type", "client_credentials");
 	}
-	
-	@Override
-	protected void extendFormSensitive(Form form) {
-	}
 
 }

src/main/java/com/inteligr8/rs/OAuthPasswordGrantAuthorizationFilter.java

@@ -14,11 +14,7 @@
  */
 package com.inteligr8.rs;
 
-import jakarta.ws.rs.core.Form;
-
-import org.apache.commons.lang3.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import javax.ws.rs.core.Form;
 
 /**
  * This class implements the OAuth Password Grant flow as an authorization
@@ -27,8 +23,6 @@ import org.slf4j.LoggerFactory;
  * @author brian@inteligr8.com
  */
 public class OAuthPasswordGrantAuthorizationFilter extends OAuthAuthorizationFilter {
-    
-    private final Logger logger = LoggerFactory.getLogger(this.getClass());
 	
 	private final String username;
 	private final String password;
@@ -52,20 +46,15 @@ public class OAuthPasswordGrantAuthorizationFilter extends OAuthAuthorizationFil
 	 */
 	public OAuthPasswordGrantAuthorizationFilter(String tokenUrl, String clientId, String clientSecret, String username, String password) {
 		super(tokenUrl, clientId, clientSecret);
-		this.username = StringUtils.trimToNull(username);
-		this.password = StringUtils.trimToNull(password);
+		this.username = username;
+		this.password = password;
 	}
 	
 	@Override
 	protected Form createForm() {
-        this.logger.debug("Using OAuth grant_type 'password': {}", this.username);
 		return new Form().param("grant_type", "password")
-				.param("username", this.username);
-	}
-	
-	@Override
-	protected void extendFormSensitive(Form form) {
-	    form.param("password", this.password);
+				.param("username", this.username)
+				.param("password", this.password);
 	}
 
 }

src/main/jersey/com/inteligr8/rs/ClientJerseyImpl.java

@@ -1,101 +0,0 @@
-/*
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.
- * 
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- * 
- * You should have received a copy of the GNU General Public License along
- * with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-package com.inteligr8.rs;
-
-import jakarta.annotation.PostConstruct;
-import jakarta.ws.rs.client.ClientBuilder;
-import jakarta.ws.rs.ext.RuntimeDelegate;
-
-import org.glassfish.jersey.client.ClientProperties;
-import org.glassfish.jersey.client.proxy.WebResourceFactory;
-import org.glassfish.jersey.internal.RuntimeDelegateImpl;
-import org.glassfish.jersey.media.multipart.MultiPartFeature;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * A class that provides pre-configured JAX-RS Client &amp; WebTarget objects
- * for Jersey.
- * 
- * @author brian@inteligr8.com
- */
-public class ClientJerseyImpl extends Client {
-	
-	private final Logger logger = LoggerFactory.getLogger(ClientJerseyImpl.class);
-	
-	private ClientJerseyConfiguration config;
-	
-	/**
-	 * This constructor is for Spring or POJO use.
-	 * @param config The client configuration.
-	 */
-	public ClientJerseyImpl(ClientJerseyConfiguration config) {
-		this.config = config;
-	}
-
-	/**
-	 * This method registers the Jersey library as the default provider for the
-	 * Jakarta RS specification.
-	 */
-	@PostConstruct
-	public void register() {
-		if (RuntimeDelegate.getInstance() == null) {
-			this.logger.info("Setting Jakarta RS runtime delegate to the Jersey library");
-			RuntimeDelegate.setInstance(new RuntimeDelegateImpl());
-		} else if (RuntimeDelegate.getInstance() instanceof RuntimeDelegateImpl) {
-			this.logger.info("Jakarta RS runtime delegate already the Jersey library");
-		} else {
-			this.logger.warn("Setting Jakarta RS runtime delegate to the Jersey library; was: " + RuntimeDelegate.getInstance().getClass().getName());
-			RuntimeDelegate.setInstance(new RuntimeDelegateImpl());
-		}
-		
-		if (this.logger.isInfoEnabled())
-			this.logger.info("API Base URL: " + this.getConfig().getBaseUrl());
-	}
-	
-	/**
-	 * @param clientBuilder A client builder.
-	 */
-	@Override
-	public void buildClient(ClientBuilder clientBuilder) {
-		clientBuilder.register(MultiPartFeature.class);
-
-		if (!this.getConfig().isPutBodyRequired()) {
-			// allow PUT operations without body data
-			clientBuilder.property(ClientProperties.SUPPRESS_HTTP_COMPLIANCE_VALIDATION, true);
-		}
-	}
-	
-	/**
-	 * @return The client configuration.
-	 */
-	public ClientJerseyConfiguration getConfig() {
-		return this.config;
-	}
-
-	/**
-	 * This method retrieves a Jakarta RS implementation of the specified API
-	 * with the specified authorization.
-	 * 
-	 * @param authFilter A dynamic authorization filter.
-	 * @param apiClass A Jakarta RS annotation API class.
-	 * @return An instance of the API class.
-	 */
-	@Override
-	public <T> T getApi(AuthorizationFilter authFilter, Class<T> apiClass) {
-		return WebResourceFactory.newResource(apiClass, this.getTarget(authFilter));
-	}
-
-}