caching underlying client

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

@@ -15,13 +15,21 @@ import com.fasterxml.jackson.jaxrs.json.JacksonJsonProvider;
  */
 public abstract class Client {
 	
+	private final Object sync = new Object();
+	private javax.ws.rs.client.Client client;
+	
 	protected abstract ClientConfiguration getConfig();
 	
 	/**
 	 * @return A pre-configured JAX-RS client (no URL) with configured authorization.
 	 */
 	public final javax.ws.rs.client.Client getClient() {
-		return this.getClient(null);
+		synchronized (this.sync) {
+			if (this.client == null)
+				this.client = this.buildClient(null);
+		}
+
+		return this.client;
 	}
 	
 	/**
@@ -29,6 +37,18 @@ public abstract class Client {
 	 * @return A pre-configured JAX-RS client (no URL) with the specified authorization.
 	 */
 	public javax.ws.rs.client.Client getClient(AuthorizationFilter authFilter) {
+		if (authFilter == null) {
+			return this.getClient();
+		} else {
+			return this.buildClient(authFilter);
+		}
+	}
+	
+	/**
+	 * @param authFilter A dynamic authorization filter.
+	 * @return A pre-configured JAX-RS client (no URL) with the specified authorization.
+	 */
+	public javax.ws.rs.client.Client buildClient(AuthorizationFilter authFilter) {
 		JacksonJsonProvider provider = new JacksonJaxbJsonProvider();
 
 		if (this.getConfig().isWrapRootValueEnabled())
@@ -52,7 +72,8 @@ public abstract class Client {
 	 * @return A pre-configured JAX-RS target (client w/ base URL) with configured authorization.
 	 */
 	public final WebTarget getTarget() {
-		return this.getTarget(null);
+		return this.getClient()
+				.target(this.getConfig().getBaseUrl());
 	}
 
 	/**
@@ -60,8 +81,12 @@ public abstract class Client {
 	 * @return A pre-configured JAX-RS target (client w/ base URL) with the specified authorization.
 	 */
 	public WebTarget getTarget(AuthorizationFilter authFilter) {
-		return this.getClient(authFilter)
-				.target(this.getConfig().getBaseUrl());
+		if (authFilter == null) {
+			return this.getTarget();
+		} else {
+			return this.getClient(authFilter)
+					.target(this.getConfig().getBaseUrl());
+		}
 	}
 	
 	/**