Code cleanup

build.gradle

@@ -1,7 +1,7 @@
 import org.apache.tools.ant.filters.ReplaceTokens
 
 import java.nio.file.Files
-import java.nio.file.Paths
+import java.nio.file.Path
 
 buildscript {
     apply(from: "dependencies.gradle")
@@ -115,8 +115,9 @@ subprojects {
         retry {
             def failOnPassedAfterRetrySystemProperty = Boolean.parseBoolean(
                     System.getProperty("failOnPassedAfterRetry", "false"));
-            if (!failOnPassedAfterRetrySystemProperty)
+            if (!failOnPassedAfterRetrySystemProperty) {
                 logger.warn("retry: Flaky tests will not make the test run fail because failOnPassedAfterRetry is false.")
+            }
 
             // Configure the retry extension
             failOnPassedAfterRetry = failOnPassedAfterRetrySystemProperty
@@ -199,19 +200,19 @@ cargo {
     }
 
     local {
-        configHomeDir = file(Paths.get(System.getProperty("java.io.tmpdir") + "/uaa-${applicationPort}"))
+        configHomeDir = file(Path.of(System.getProperty("java.io.tmpdir"), "uaa-${applicationPort}"))
         startStopTimeout = Integer.parseInt(System.getProperty("startStopTimeout", "540000"))
         rmiPort = applicationPort + 10
 
         jvmArgs = ""
         jvmArgs = String.format("%s -DCLOUDFOUNDRY_CONFIG_PATH='%s'", jvmArgs, file("scripts/cargo").getAbsolutePath())
         jvmArgs = String.format("%s -Dlogging.config='%s'", jvmArgs, file("scripts/cargo/log4j2.properties").getAbsolutePath())
         jvmArgs = String.format("%s -Dstatsd.enabled=true", jvmArgs)
+
         String activeSpringProfiles = System.getProperty("spring.profiles.active", "").split(',');
         if (activeSpringProfiles.contains("debugs") || Boolean.valueOf(System.getProperty("xdebugs"))) {
             jvmArgs = String.format("%s -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005", jvmArgs)
-        }
-        else if (activeSpringProfiles.contains("debug") || Boolean.valueOf(System.getProperty("xdebug"))) {
+        } else if (activeSpringProfiles.contains("debug") || Boolean.valueOf(System.getProperty("xdebug"))) {
             jvmArgs = String.format("%s -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005", jvmArgs)
         }
 
@@ -222,6 +223,7 @@ cargo {
                         .matching { include 'jacocoagent.jar' }.singleFile)
                 into(layout.buildDirectory.dir("jacoco"))
             }
+
             String jacocoBuildPath = layout.buildDirectory.dir("jacoco").get().asFile.path
             jvmArgs = String.format(
                     "%s -javaagent:%s/jacocoagent.jar=destfile=%s/cargo.exec",
@@ -299,9 +301,9 @@ tasks.register('manifests', Copy) {
 }
 
 tasks.register('cleanCargoConfDir') {
-    delete(file(System.getProperty("java.io.tmpdir") + "/cargo/uaa-${applicationPort}"))
+    delete(Path.of(System.getProperty("java.io.tmpdir"), "cargo", "uaa-${applicationPort}"))
     try {
-        Files.createDirectory(Paths.get(System.getProperty("java.io.tmpdir") + "/uaa-${applicationPort}"))
+        Files.createDirectory(Path.of(System.getProperty("java.io.tmpdir"), "uaa-${applicationPort}"))
     } catch (ignored) {
     }
 }

dependencies.gradle

@@ -66,6 +66,7 @@ libraries.hsqldb = "org.hsqldb:hsqldb"
 libraries.jacksonAnnotations = "com.fasterxml.jackson.core:jackson-annotations:${versions.jacksonVersion}"
 libraries.jacksonDatabind = "com.fasterxml.jackson.core:jackson-databind:${versions.jacksonVersion}"
 libraries.jacksonDataformatYaml = "com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:${versions.jacksonVersion}"
+libraries.jakartaAnnotationApi = "jakarta.annotation:jakarta.annotation-api:1.3.5"
 libraries.javaxServlet = "javax.servlet:jstl"
 libraries.javaxValidationApi = "javax.validation:validation-api"
 libraries.javaxXmlBindApi = "javax.xml.bind:jaxb-api"

k8s/image/tomcat/conf/server.xml

@@ -6,10 +6,10 @@
         <Engine defaultHost='localhost' name='Catalina'>
             <Valve className='org.apache.catalina.valves.RemoteIpValve' protocolHeader='x-forwarded-proto'/>
             <Valve className='org.cloudfoundry.tomcat.logging.access.CloudFoundryAccessLoggingValve'
-                   pattern='[ACCESS] %h %l %u %t &quot;%m %U %H&quot; %s %{Content-Length}i %b &quot;X-Vcap-Request-Id: %{X-Vcap-Request-Id}i&quot; %I'
-                   enabled='${access.logging.enabled}'/>
+                                        pattern='[ACCESS] %h %l %u %t &quot;%m %U %H&quot; %s %{Content-Length}i %b &quot;X-Vcap-Request-Id: %{X-Vcap-Request-Id}i&quot; %I'
+                                        enabled='${access.logging.enabled}'/>
             <Host name='localhost'
-                  failCtxIfServletStartFails='true'>
+                                        failCtxIfServletStartFails='true'>
                 <Listener className='org.cloudfoundry.tomcat.lifecycle.ApplicationStartupFailureDetectingLifecycleListener'/>
                 <Valve className='org.apache.catalina.valves.ErrorReportValve' showReport='false' showServerInfo='false'/>
             </Host>

metrics-data/src/main/java/org/cloudfoundry/identity/uaa/metrics/MetricsQueue.java

@@ -32,20 +32,20 @@
 
 @JsonIgnoreProperties(ignoreUnknown = true)
 @JsonInclude(NON_NULL)
-public class MetricsQueue  {
+public class MetricsQueue {
 
     public static final int MAX_ENTRIES = 5;
 
     private ConcurrentLinkedDeque<RequestMetric> queue;
     private Map<StatusCodeGroup, RequestMetricSummary> statistics;
 
     public MetricsQueue() {
-        this(null,null);
+        this(null, null);
     }
 
     @JsonCreator
     public MetricsQueue(@JsonProperty("lastRequests") ConcurrentLinkedDeque<RequestMetric> queue,
-                        @JsonProperty("detailed") Map<StatusCodeGroup, RequestMetricSummary> statistics) {
+            @JsonProperty("detailed") Map<StatusCodeGroup, RequestMetricSummary> statistics) {
         this.queue = ofNullable(queue).orElse(new ConcurrentLinkedDeque<>());
         this.statistics = ofNullable(statistics).orElse(new ConcurrentHashMap<>());
     }
@@ -64,11 +64,11 @@ public boolean offer(RequestMetric metric) {
         RequestMetricSummary totals = statistics.get(statusCode);
         long time = metric.getRequestCompleteTime() - metric.getRequestStartTime();
         totals.add(time,
-                   time < metric.getUriGroup().getLimit(),
-                   metric.getNrOfDatabaseQueries(),
-                   metric.getDatabaseQueryTime(),
-                   metric.getQueries().stream().filter(QueryMetric::isIntolerable).count(),
-                   metric.getQueries().stream().filter(QueryMetric::isIntolerable).mapToLong(q -> q.getRequestCompleteTime()-q.getRequestStartTime()).sum()
+                time < metric.getUriGroup().getLimit(),
+                metric.getNrOfDatabaseQueries(),
+                metric.getDatabaseQueryTime(),
+                metric.getQueries().stream().filter(QueryMetric::isIntolerable).count(),
+                metric.getQueries().stream().filter(QueryMetric::isIntolerable).mapToLong(q -> q.getRequestCompleteTime() - q.getRequestStartTime()).sum()
         );
         return true;
     }
@@ -111,27 +111,27 @@ public RequestMetricSummary getTotals() {
                     averageDatabaseQueryTime.get(),
                     summary.getDatabaseQueryCount(),
                     summary.getAverageDatabaseQueryTime()
-                    )
+            )
             );
             databaseQueryCount.add(summary.getDatabaseQueryCount());
 
             averageDatabaseIntolerableQueryTime.set(addAverages(databaseIntolerableQueryCount.get(),
                     averageDatabaseIntolerableQueryTime.get(),
                     summary.getDatabaseIntolerableQueryCount(),
                     summary.getAverageDatabaseIntolerableQueryTime()
-                    )
+            )
             );
             databaseIntolerableQueryCount.add(summary.getDatabaseIntolerableQueryCount());
 
         });
         return new RequestMetricSummary(count.get(),
-                                        averageTime.get(),
-                                        intolerableCount.get(),
-                                        averageIntolerableTime.get(),
-                                        databaseQueryCount.get(),
-                                        averageDatabaseQueryTime.get(),
-                                        databaseIntolerableQueryCount.get(),
-                                        averageDatabaseIntolerableQueryTime.get());
+                averageTime.get(),
+                intolerableCount.get(),
+                averageIntolerableTime.get(),
+                databaseQueryCount.get(),
+                averageDatabaseQueryTime.get(),
+                databaseIntolerableQueryCount.get(),
+                averageDatabaseIntolerableQueryTime.get());
     }
 
 }

metrics-data/src/main/java/org/cloudfoundry/identity/uaa/metrics/MetricsUtil.java

@@ -15,7 +15,7 @@
 
 package org.cloudfoundry.identity.uaa.metrics;
 
-public class MetricsUtil {
+public final class MetricsUtil {
     public static final String GLOBAL_GROUP = "uaa.global.metrics";
 
     // Utility classes should not have public constructors
@@ -24,28 +24,28 @@ private MetricsUtil() {
     }
 
     public static double addAverages(double oldCount,
-                                     double oldAverage,
-                                     double newCount,
-                                     double newAverage) {
-        if (newCount==0) {
+            double oldAverage,
+            double newCount,
+            double newAverage) {
+        if (newCount == 0) {
             return oldAverage;
         }
         return
-            ((oldCount) / (newCount + oldCount) * oldAverage) +
-                (newCount / (newCount + oldCount) * newAverage);
+                (oldCount / (newCount + oldCount) * oldAverage) +
+                        (newCount / (newCount + oldCount) * newAverage);
     }
 
     public static double addToAverage(double oldCount,
-                                      double oldAverage,
-                                      double newCount,
-                                      double newTotalTime) {
-        if (newCount==0) {
+            double oldAverage,
+            double newCount,
+            double newTotalTime) {
+        if (newCount == 0) {
             return oldAverage;
         }
         double newAverage = newTotalTime / newCount;
         return
-            ((oldCount) / (newCount + oldCount) * oldAverage) +
-                (newCount / (newCount + oldCount) * newAverage);
+                (oldCount / (newCount + oldCount) * oldAverage) +
+                        (newCount / (newCount + oldCount) * newAverage);
     }
 
     public static class MutableLong {
@@ -69,7 +69,7 @@ public void add(long value) {
 
         @Override
         public String toString() {
-            return Long.valueOf(get()).toString();
+            return Long.toString(get());
         }
     }
 
@@ -94,7 +94,7 @@ public void add(double value) {
 
         @Override
         public String toString() {
-            return Double.valueOf(get()).toString();
+            return Double.toString(get());
         }
     }
 }

metrics-data/src/main/java/org/cloudfoundry/identity/uaa/metrics/RequestMetricSummary.java

@@ -22,27 +22,27 @@
 
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class RequestMetricSummary {
-    long count = 0;
+    long count;
     double averageTime = 0;
-    long intolerableCount = 0;
+    long intolerableCount;
     double averageIntolerableTime = 0;
-    long databaseQueryCount = 0;
+    long databaseQueryCount;
     double averageDatabaseQueryTime = 0;
-    long databaseIntolerableQueryCount = 0;
+    long databaseIntolerableQueryCount;
     double averageDatabaseIntolerableQueryTime = 0;
 
     public RequestMetricSummary() {
     }
 
     @JsonCreator
     public RequestMetricSummary(@JsonProperty("count") long count,
-                                @JsonProperty("averageTime") double averageTime,
-                                @JsonProperty("intolerableCount") long intolerableCount,
-                                @JsonProperty("averageIntolerableTime") double averageIntolerableTime,
-                                @JsonProperty("databaseQueryCount") long databaseQueryCount,
-                                @JsonProperty("averageDatabaseQueryTime") double averageDatabaseQueryTime,
-                                @JsonProperty("databaseIntolerableQueryCount") long databaseIntolerableQueryCount,
-                                @JsonProperty("averageDatabaseIntolerableQueryTime") double averageDatabaseIntolerableQueryTime) {
+            @JsonProperty("averageTime") double averageTime,
+            @JsonProperty("intolerableCount") long intolerableCount,
+            @JsonProperty("averageIntolerableTime") double averageIntolerableTime,
+            @JsonProperty("databaseQueryCount") long databaseQueryCount,
+            @JsonProperty("averageDatabaseQueryTime") double averageDatabaseQueryTime,
+            @JsonProperty("databaseIntolerableQueryCount") long databaseIntolerableQueryCount,
+            @JsonProperty("averageDatabaseIntolerableQueryTime") double averageDatabaseIntolerableQueryTime) {
         this.count = count;
         this.averageTime = averageTime;
         this.intolerableCount = intolerableCount;

metrics-data/src/main/java/org/cloudfoundry/identity/uaa/metrics/StatusCodeGroup.java

@@ -16,11 +16,11 @@
 package org.cloudfoundry.identity.uaa.metrics;
 
 public enum StatusCodeGroup {
-    INFORMATIONAL("1xx",1),
-    SUCCESS("2xx",2),
-    REDIRECT("3xx",3),
-    CLIENT_ERROR("4xx",4),
-    SERVER_ERROR("5xx",5);
+    INFORMATIONAL("1xx", 1),
+    SUCCESS("2xx", 2),
+    REDIRECT("3xx", 3),
+    CLIENT_ERROR("4xx", 4),
+    SERVER_ERROR("5xx", 5);
 
     private final String name;
     private final int value;

metrics-data/src/main/java/org/cloudfoundry/identity/uaa/metrics/UrlGroup.java

@@ -65,7 +65,7 @@ public UrlGroup setCategory(String category) {
     }
 
     @JsonIgnore
-    public Map<String,Object> getMap() {
+    public Map<String, Object> getMap() {
         HashMap<String, Object> map = new HashMap<>();
         map.put("pattern", getPattern());
         map.put("group", getGroup());
@@ -74,11 +74,11 @@ public Map<String,Object> getMap() {
         return map;
     }
 
-    public static UrlGroup from(Map<String,Object> map) {
+    public static UrlGroup from(Map<String, Object> map) {
         return new UrlGroup()
-            .setPattern((String) map.get("pattern"))
-            .setGroup((String) map.get("group"))
-            .setCategory((String) map.get("category"))
-            .setLimit(((Number) map.get("limit")).longValue());
+                .setPattern((String) map.get("pattern"))
+                .setGroup((String) map.get("group"))
+                .setCategory((String) map.get("category"))
+                .setLimit(((Number) map.get("limit")).longValue());
     }
 }

metrics-data/src/main/java/org/cloudfoundry/identity/uaa/util/JsonUtils.java

@@ -22,6 +22,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 import java.io.IOException;
+import java.io.Serial;
 import java.util.Date;
 import java.util.Map;
 
@@ -134,6 +135,7 @@ public static JsonNode readTree(String s) {
     }
 
     public static class JsonUtilException extends RuntimeException {
+        @Serial
         private static final long serialVersionUID = -4804245225960963421L;
 
         public JsonUtilException(Throwable cause) {
@@ -143,13 +145,15 @@ public JsonUtilException(Throwable cause) {
 
     public static String serializeExcludingProperties(Object object, String... propertiesToExclude) {
         String serialized = JsonUtils.writeValueAsString(object);
-        Map<String, Object> properties = JsonUtils.readValue(serialized, new TypeReference<>() {});
+        Map<String, Object> properties = JsonUtils.readValue(serialized, new TypeReference<>() {
+        });
         for (String property : propertiesToExclude) {
             if (property.contains(".")) {
                 String[] split = property.split("\\.", 2);
                 if (properties != null && properties.containsKey(split[0])) {
                     Object inner = properties.get(split[0]);
-                    properties.put(split[0], JsonUtils.readValue(serializeExcludingProperties(inner, split[1]), new TypeReference<Map<String, Object>>() {}));
+                    properties.put(split[0], JsonUtils.readValue(serializeExcludingProperties(inner, split[1]), new TypeReference<Map<String, Object>>() {
+                    }));
                 }
             } else {
                 if (properties != null) {
@@ -190,7 +194,7 @@ public static Map<String, Object> getNodeAsMap(JsonNode node) {
     }
 
     public static boolean hasLength(CharSequence str) {
-        return !(str == null || str.length() == 0);
+        return !(str == null || str.isEmpty());
     }
 
     public static boolean hasText(CharSequence str) {