Use a singleton pattern on token generation rather regeneration

src/main/java/com/ekotrope/maven/CodeArtifactTokenManager.java

@@ -0,0 +1,44 @@
+package com.ekotrope.maven;
+
+import com.amazonaws.services.codeartifact.AWSCodeArtifact;
+import com.amazonaws.services.codeartifact.AWSCodeArtifactClientBuilder;
+import com.amazonaws.services.codeartifact.model.GetAuthorizationTokenRequest;
+
+import java.time.Duration;
+import java.time.temporal.ChronoUnit;
+import java.util.Random;
+
+public class CodeArtifactTokenManager {
+    private static CodeArtifactTokenManager instance;
+    private String cachedToken = "";
+
+    private CodeArtifactTokenManager() {
+        // Private constructor to prevent instantiation from outside the class.
+    }
+
+    public static synchronized CodeArtifactTokenManager getInstance() {
+        if (instance == null) {
+            instance = new CodeArtifactTokenManager();
+        }
+        return instance;
+    }
+
+    public synchronized String getToken(String domain, String owner)
+    {
+        if (cachedToken.isEmpty()) {
+            setUpCodeArtifactToken(domain, owner);
+        }
+        return cachedToken;
+    }
+
+    private void setUpCodeArtifactToken(String domain, String owner)
+    {
+        AWSCodeArtifact codeartifact = AWSCodeArtifactClientBuilder.defaultClient();
+
+        cachedToken = codeartifact.getAuthorizationToken(new GetAuthorizationTokenRequest()
+            .withDomain(domain)
+            .withDomainOwner(owner)
+            .withDurationSeconds(Duration.of(8, ChronoUnit.HOURS).getSeconds())
+        ).getAuthorizationToken();
+    }
+}

src/main/java/com/ekotrope/maven/CodeArtifactWagon.java

@@ -29,6 +29,8 @@ public class CodeArtifactWagon extends HttpWagon
     // "/" is not an acceptable character in either the domain or repository name, and owner is strictly numeric, so it's a safe delimiter
     private static final Pattern URL_FORMAT = Pattern.compile("codeartifact:(?<domain>.*)/(?<owner>.*)/(?<repositoryName>.*)");
 
+
+
     @Override
     public void connect(Repository repository, AuthenticationInfo authenticationInfo, ProxyInfoProvider proxyInfoProvider ) throws AuthenticationException, ConnectionException
     {
@@ -43,11 +45,13 @@ public void connect(Repository repository, AuthenticationInfo authenticationInfo
                 String owner = urlPartsMatcher.group("owner");
                 String repositoryName = urlPartsMatcher.group("repositoryName");
 
+
                 repository.setUrl(getCodeArtifactEndpoint(domain, owner, repositoryName));
 
                 authenticationInfo = new AuthenticationInfo();
                 authenticationInfo.setUserName("aws");
-                authenticationInfo.setPassword(getCodeArtifactToken(domain, owner));
+                authenticationInfo.setPassword(CodeArtifactTokenManager.getInstance().getToken(domain, owner));
+                //System.out.println("token used: " + CodeArtifactTokenManager.getInstance().getToken(domain, owner));
             }
             else
             {
@@ -58,17 +62,6 @@ public void connect(Repository repository, AuthenticationInfo authenticationInfo
         super.connect(repository, authenticationInfo, proxyInfoProvider);
     }
 
-    private String getCodeArtifactToken(String domain, String owner)
-    {
-        AWSCodeArtifact codeartifact = AWSCodeArtifactClientBuilder.defaultClient();
-
-        return codeartifact.getAuthorizationToken(new GetAuthorizationTokenRequest()
-                .withDomain(domain)
-                .withDomainOwner(owner)
-                .withDurationSeconds(Duration.of(8, HOURS).getSeconds())
-            ).getAuthorizationToken();
-    }
-
     private String getCodeArtifactEndpoint(String domain, String owner, String repositoryName)
     {
         AWSCodeArtifact codeartifact = AWSCodeArtifactClientBuilder.defaultClient();