Adding and improving javadocs. Removing unused code.

Signed-off-by: Max Lambrecht <maxlambrecht@gmail.com>

java-spiffe-core/src/main/java/spiffe/Algorithm.java

@@ -4,6 +4,9 @@ import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
+/**
+ * Represents JWT Algorithms.
+ */
 public enum Algorithm {
 
     /**
@@ -66,6 +69,9 @@ public enum Algorithm {
         return name;
     }
 
+    /**
+     * Represents families of algorithms.
+     */
     public enum Family {
         RSA("RSA", RS256, RS384, RS512, PS256, PS384, PS512),
         EC("EC", ES256, ES384, ES512),

java-spiffe-core/src/main/java/spiffe/bundle/BundleSource.java

@@ -6,7 +6,7 @@ import spiffe.exception.BundleNotFoundException;
 import spiffe.spiffeid.TrustDomain;
 
 /**
- * A <code>BundleSource</code> represents a source of bundles of type T keyed by trust domain.
+ * Represents a source of bundles of type T keyed by trust domain.
  */
 public interface BundleSource<T> {
 

java-spiffe-core/src/main/java/spiffe/bundle/jwtbundle/JwtBundle.java

@@ -27,7 +27,7 @@ import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
- * A <code>JwtBundle</code> represents a collection of trusted JWT authorities (Public Keys) for a trust domain.
+ * Represents a collection of trusted JWT authorities (Public Keys) for a trust domain.
  */
 @Value
 public class JwtBundle implements BundleSource<JwtBundle> {

java-spiffe-core/src/main/java/spiffe/bundle/jwtbundle/JwtBundleSet.java

@@ -14,7 +14,7 @@ import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
- * A <code>JwtBundleSet</code> represents a set of JWT bundles keyed by trust domain.
+ * Represents a set of JWT bundles keyed by trust domain.
  */
 @Value
 public class JwtBundleSet implements BundleSource<JwtBundle> {

java-spiffe-core/src/main/java/spiffe/bundle/x509bundle/X509Bundle.java

@@ -20,7 +20,7 @@ import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
- * A <code>X509Bundle</code> represents a collection of trusted X.509 authorities for a trust domain.
+ * Represents a collection of trusted X.509 authorities for a trust domain.
  */
 @Value
 public class X509Bundle implements BundleSource<X509Bundle> {

java-spiffe-core/src/main/java/spiffe/bundle/x509bundle/X509BundleSet.java

@@ -14,7 +14,7 @@ import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
- * A <code>X509BundleSet</code> represents a set of X.509 bundles keyed by trust domain.
+ * Represents a set of X.509 bundles keyed by trust domain.
  */
 @Value
 public class X509BundleSet implements BundleSource<X509Bundle> {

java-spiffe-core/src/main/java/spiffe/exception/AuthorityNotFoundException.java

@@ -1,8 +1,8 @@
 package spiffe.exception;
 
 /**
- * Checked exception thrown to indicate that an authority could not be
+ * Checked exception thrown to indicate that an Authority could not be
- * found in the bundle source.
+ * found in the Bundle Source.
  */
 public class AuthorityNotFoundException extends Exception {
     public AuthorityNotFoundException(String message) {

java-spiffe-core/src/main/java/spiffe/exception/BundleNotFoundException.java

@@ -1,8 +1,8 @@
 package spiffe.exception;
 
 /**
- * Checked exception thrown to indicate that a bundle could not be
+ * Checked exception thrown to indicate that a Bundle could not be
- * found in the bundle source.
+ * found in the Bundle Source.
  */
 public class BundleNotFoundException extends Exception {
     public BundleNotFoundException(String message) {

java-spiffe-core/src/main/java/spiffe/exception/JwtBundleException.java

@@ -1,7 +1,7 @@
 package spiffe.exception;
 
 /**
- * Checked exception thrown when there is an error creating a JwtBundle
+ * Checked exception thrown when there is an error creating a JWT Bundle.
  */
 public class JwtBundleException extends Exception {
     public JwtBundleException(String message) {
@@ -11,8 +11,4 @@ public class JwtBundleException extends Exception {
     public JwtBundleException(String message, Throwable cause) {
         super(message, cause);
     }
-
-    public JwtBundleException(Throwable cause) {
-        super(cause);
-    }
 }

java-spiffe-core/src/main/java/spiffe/exception/JwtSourceException.java

@@ -1,7 +1,7 @@
 package spiffe.exception;
 
 /**
- * Checked thrown when there is an error creating or initializing a JWT source
+ * Checked thrown when there is an error creating or initializing a JWT Source.
  */
 public class JwtSourceException extends Exception {
 
@@ -12,8 +12,4 @@ public class JwtSourceException extends Exception {
     public JwtSourceException(String message, Throwable cause) {
         super(message, cause);
     }
-
-    public JwtSourceException(Throwable cause) {
-        super(cause);
-    }
 }

java-spiffe-core/src/main/java/spiffe/exception/JwtSvidException.java

@@ -13,8 +13,4 @@ public class JwtSvidException extends Exception {
     public JwtSvidException(String message, Throwable cause) {
         super(message, cause);
     }
-
-    public JwtSvidException(Throwable cause) {
-        super(cause);
-    }
 }

java-spiffe-core/src/main/java/spiffe/exception/SocketEndpointAddressException.java

@@ -12,8 +12,4 @@ public class SocketEndpointAddressException extends Exception {
     public SocketEndpointAddressException(String message, Throwable cause) {
         super(message, cause);
     }
-
-    public SocketEndpointAddressException(Throwable cause) {
-        super(cause);
-    }
 }

java-spiffe-core/src/main/java/spiffe/exception/X509ContextException.java

@@ -2,7 +2,7 @@ package spiffe.exception;
 
 /**
  * Checked exception thrown when a there was an error retrieving
- * or processing a X509Context.
+ * or processing an X.509 Context.
  */
 public class X509ContextException extends Exception {
     public X509ContextException(String message) {
@@ -12,8 +12,4 @@ public class X509ContextException extends Exception {
     public X509ContextException(String message, Throwable cause) {
         super(message, cause);
     }
-
-    public X509ContextException(Throwable cause) {
-        super(cause);
-    }
 }

java-spiffe-core/src/main/java/spiffe/exception/X509SourceException.java

@@ -1,7 +1,7 @@
 package spiffe.exception;
 
 /**
- * Checked thrown when there is an error creating or initializing a X.509 source
+ * Checked thrown when there is an error creating or initializing a X.509 Source.
  */
 public class X509SourceException extends Exception {
     public X509SourceException(String message) {
@@ -11,8 +11,4 @@ public class X509SourceException extends Exception {
     public X509SourceException(String message, Throwable cause) {
         super(message, cause);
     }
-
-    public X509SourceException(Throwable cause) {
-        super(cause);
-    }
 }

java-spiffe-core/src/main/java/spiffe/exception/X509SvidException.java

@@ -5,7 +5,6 @@ package spiffe.exception;
  * the components of an X.509 SVID.
  */
 public class X509SvidException extends Exception {
-
     public X509SvidException(String message) {
         super(message);
     }
@@ -13,8 +12,4 @@ public class X509SvidException extends Exception {
     public X509SvidException(String message, Throwable cause) {
         super(message, cause);
     }
-
-    public X509SvidException(Throwable cause) {
-        super(cause);
-    }
 }

java-spiffe-core/src/main/java/spiffe/spiffeid/SpiffeId.java

@@ -10,7 +10,7 @@ import java.util.Arrays;
 import java.util.stream.Collectors;
 
 /**
- * A <code>SpiffeId</code> represents a SPIFFE ID as defined in SPIFFE standard.
+ * Represents a SPIFFE ID as defined in SPIFFE standard.
  * <p>
  * @see <a href="https://github.com/spiffe/spiffe/blob/master/standards/SPIFFE-ID.md">https://github.com/spiffe/spiffe/blob/master/standards/SPIFFE-ID.md</a>
  */
@@ -70,15 +70,19 @@ public class SpiffeId {
     }
 
     /**
-     * Returns true if the trust domain of this SPIFFE ID is the same as the given trust domain.
+     * Returns true if the trust domain of this SPIFFE ID is the same as trust domain given as parameter.
      *
-     * @param trustDomain instance of a {@link TrustDomain}
+     * @param trustDomain an instance of a {@link TrustDomain}
      * @return <code>true</code> if the given trust domain equals the trust domain of this object, <code>false</code> otherwise
      */
     public boolean memberOf(final TrustDomain trustDomain) {
         return this.trustDomain.equals(trustDomain);
     }
 
+    /**
+     * Returns the string representation of the SPIFFE ID, concatenating schema, trust domain,
+     * and path segments (e.g. 'spiffe://example.org/path1/path2')
+     */
     @Override
     public String toString() {
         return String.format("%s://%s%s", SPIFFE_SCHEME, this.trustDomain.toString(), this.path);

java-spiffe-core/src/main/java/spiffe/spiffeid/SpiffeIdUtils.java

@@ -1,12 +1,10 @@
 package spiffe.spiffeid;
 
 import lombok.val;
-import org.apache.commons.lang3.StringUtils;
 
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.security.Security;
 import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -22,51 +20,6 @@ public class SpiffeIdUtils {
 
     private static final char DEFAULT_CHAR_SEPARATOR = ',';
 
-    /**
-     * Reads the Accepted SPIFFE IDs from a system property and parses them to {@link SpiffeId} instances.
-     *
-     * @param systemProperty name of the system property that contains a list of SPIFFE IDs separated by a commas.
-     * @return a list of {@link SpiffeId} parsed from the values read from the security property, in case there's no values
-     * in the System property, it returns an emtpy list
-     *
-     * @throws IllegalArgumentException if the given system property is empty or if any of the SPIFFE IDs
-     * cannot be parsed
-     */
-    public static List<SpiffeId> getSpiffeIdsFromSystemProperty(final String systemProperty) {
-        if (isBlank(systemProperty)) {
-            throw new IllegalArgumentException("Argument systemProperty cannot be empty");
-        }
-
-        val spiffeIds = System.getProperty(systemProperty);
-        if (StringUtils.isBlank(spiffeIds)) {
-            return EMPTY_LIST;
-        }
-        return toListOfSpiffeIds(spiffeIds, DEFAULT_CHAR_SEPARATOR);
-    }
-
-    /**
-     * Reads the accepted SPIFFE IDs from a security Property (defined in java.security file) and parses
-     * them to {@link SpiffeId} instances.
-     *
-     * @param securityProperty name of the security property that contains a list of SPIFFE IDs separated by commas.
-     * @return a List of {@link SpiffeId} parsed from the values read from the given security property
-     *
-     * @throws IllegalArgumentException if the security property is empty or if any of the SPIFFE IDs
-     * cannot be parsed
-     */
-    public static List<SpiffeId> getSpiffeIdsFromSecurityProperty(final String securityProperty) {
-        if (isBlank(securityProperty)) {
-            throw new IllegalArgumentException("Argument securityProperty cannot be empty");
-        }
-
-        val spiffeIds = Security.getProperty(securityProperty);
-        if (StringUtils.isBlank(spiffeIds)) {
-            return EMPTY_LIST;
-        }
-
-        return toListOfSpiffeIds(spiffeIds, DEFAULT_CHAR_SEPARATOR);
-    }
-
     /**
      * Reads a file containing a list of SPIFFE IDs and parses them to {@link SpiffeId} instances.
      * <p>
@@ -74,7 +27,6 @@ public class SpiffeIdUtils {
      *
      * @param spiffeIdsFile the path to the file containing a list of SPIFFE IDs
      * @return a List of {@link SpiffeId} parsed from the file provided
-     *
      * @throws IOException              if the given spiffeIdsFile cannot be read
      * @throws IllegalArgumentException if any of the SPIFFE IDs in the file cannot be parsed
      */
@@ -92,9 +44,7 @@ public class SpiffeIdUtils {
      *
      * @param spiffeIds a list of SPIFFE IDs represented in a string
      * @param separator used to separate the SPIFFE IDs in the string.
-     *
      * @return a list of {@link SpiffeId} instances.
-     *
      * @throws IllegalArgumentException is the string provided is blank
      */
     public static List<SpiffeId> toListOfSpiffeIds(final String spiffeIds, final char separator) {
@@ -108,9 +58,17 @@ public class SpiffeIdUtils {
                 .collect(Collectors.toList());
     }
 
+    /**
+     * Return the list of the SPIFFE IDs parsed from the String parameter, using the default separator (comma)
+     *
+     * @param spiffeIds a String representing a list of SPIFFE IDs separeated by comma
+     * @return a list of {@link SpiffeId} instances
+     * @throws IllegalArgumentException is the string provided is blank
+     */
     public static List<SpiffeId> toListOfSpiffeIds(final String spiffeIds) {
         return toListOfSpiffeIds(spiffeIds, DEFAULT_CHAR_SEPARATOR);
     }
 
-    private SpiffeIdUtils() {}
+    private SpiffeIdUtils() {
+    }
 }

java-spiffe-core/src/main/java/spiffe/spiffeid/TrustDomain.java

@@ -12,7 +12,7 @@ import java.net.URISyntaxException;
 import static spiffe.spiffeid.SpiffeId.SPIFFE_SCHEME;
 
 /**
- * A <code>TrustDomain</code> represents a normalized SPIFFE trust domain (e.g. domain.test).
+ * Represents a normalized SPIFFE trust domain (e.g. 'domain.test').
  */
 @Value
 public class TrustDomain {
@@ -28,7 +28,6 @@ public class TrustDomain {
      *
      * @param trustDomain a trust domain represented as a string, must not be blank.
      * @return an instance of a {@link TrustDomain}
-     *
      * @throws IllegalArgumentException if the given string is blank or cannot be parsed
      */
     public static TrustDomain of(@NonNull String trustDomain) {
@@ -50,8 +49,24 @@ public class TrustDomain {
         return new TrustDomain(host);
     }
 
-    public SpiffeId newSpiffeId(String ...path) {
+    /**
-        return SpiffeId.of(this, path);
+     * Creates a SPIFFE ID from this trust domain and the given path segments.
+     *
+     * @param segments path segments
+     * @return a {@link SpiffeId} with the current trust domain and the given path segments
+     */
+    public SpiffeId newSpiffeId(String... segments) {
+        return SpiffeId.of(this, segments);
+    }
+
+    /**
+     * Returns the trust domain as a String.
+     *
+     * @return a String with the trust domain
+     */
+    @Override
+    public String toString() {
+        return name;
     }
 
     private static void validateHost(String host) {
@@ -79,14 +94,4 @@ public class TrustDomain {
         }
         return s;
     }
-
-    /**
-     * Returns the trust domain as a string.
-     *
-     * @return a String with the trust domain
-     */
-    @Override
-    public String toString() {
-        return name;
-    }
 }

java-spiffe-core/src/main/java/spiffe/svid/jwtsvid/JwtSvid.java

@@ -28,33 +28,33 @@ import java.util.List;
 import java.util.Map;
 
 /**
- * A <code>JwtSvid</code> represents a SPIFFE JWT-SVID.
+ * Represents a SPIFFE JWT-SVID.
  */
 @Value
 public class JwtSvid {
 
     /**
-     * SPIFFE ID of the JWT-SVID as present in the 'sub' claim
+     * SPIFFE ID of the JWT-SVID as present in the 'sub' claim.
      */
     SpiffeId spiffeId;
 
     /**
-     * Audience is the intended recipients of JWT-SVID as present in the 'aud' claim
+     * Audience is the intended recipients of JWT-SVID as present in the 'aud' claim.
      */
     List<String> audience;
 
     /**
-     * Expiration time of JWT-SVID as present in 'exp' claim
+     * Expiration time of JWT-SVID as present in 'exp' claim.
      */
     Date expiry;
 
     /**
-     * Parsed claims from token
+     * Parsed claims from token.
      */
     Map<String, Object> claims;
 
     /**
-     * Serialized JWT token
+     * Serialized JWT token.
      */
     String token;
 
@@ -67,13 +67,14 @@ public class JwtSvid {
     }
 
     /**
-     * Parses and validates a JWT-SVID token and returns the
+     * Parses and validates a JWT-SVID token and returns an instance of JwtSvid.
-     * JWT-SVID. The JWT-SVID signature is verified using the JWT bundle source.
+     * <p>
+     * The JWT-SVID signature is verified using the JWT bundle source.
      *
      * @param token           a token as a string that is parsed and validated
      * @param jwtBundleSource an implementation of a {@link BundleSource} that provides the authority to verify the signature
      * @param audience        audience as a List of String used to validate the 'aud' claim
-     * @return an instance of a {@link JwtSvid} with a spiffe id parsed from the 'sub', audience from 'aud', and expiry
+     * @return an instance of a {@link JwtSvid} with a SPIFFE ID parsed from the 'sub', audience from 'aud', and expiry
      * from 'exp' claim.
      * @throws spiffe.exception.JwtSvidException when the token expired or the expiration claim is missing,
      *                                           when the algorithm is not supported, when the header 'kid' is missing, when the signature cannot be verified, or
@@ -118,7 +119,9 @@ public class JwtSvid {
     }
 
     /**
-     * Parses and validates a JWT-SVID token and returns the JWT-SVID. The JWT-SVID signature is not verified.
+     * Parses and validates a JWT-SVID token and returns an instance of a JwtSvid.
+     * <p>
+     * The JWT-SVID signature is not verified.
      *
      * @param token    a token as a string that is parsed and validated
      * @param audience audience as a List of String used to validate the 'aud' claim

java-spiffe-core/src/main/java/spiffe/svid/jwtsvid/JwtSvidSource.java

@@ -4,16 +4,16 @@ import spiffe.exception.JwtSvidException;
 import spiffe.spiffeid.SpiffeId;
 
 /**
- * A <code>JwtSvidSource</code> represents a source of SPIFFE JWT-SVIDs.
+ * Represents a source of SPIFFE JWT-SVIDs.
  */
 public interface JwtSvidSource {
 
     /**
-     * Fetches a JWT-SVID from the source with the given parameters.
+     * Fetches a JWT-SVID from the source with the given subject and audiences.
      *
      * @param subject        a {@link SpiffeId}
      * @param audience       the audience
-     * @param extraAudiences an array of Strings
+     * @param extraAudiences a list of extra audiences as an array of String
      * @return a {@link JwtSvid}
      * @throws JwtSvidException when there is an error fetching the JWT SVID
      */

java-spiffe-core/src/main/java/spiffe/svid/x509svid/X509Svid.java

@@ -21,7 +21,7 @@ import java.util.List;
 import static spiffe.internal.CertificateUtils.*;
 
 /**
- * A <code>X509Svid</code> represents a SPIFFE X.509 SVID.
+ * Represents a SPIFFE X.509 SVID.
  * <p>
  * Contains a SPIFFE ID, a private key and a chain of X.509 certificates.
  */
@@ -33,7 +33,7 @@ public class X509Svid implements X509SvidSource {
     /**
      * The X.509 certificates of the X.509-SVID. The leaf certificate is
      * the X.509-SVID certificate. Any remaining certificates (if any) chain
-     * the X.509-SVID certificate back to a X.509 root for the trust domain.
+     * the X.509-SVID certificate back to an X.509 root for the trust domain.
      */
     List<X509Certificate> chain;
 
@@ -88,7 +88,7 @@ public class X509Svid implements X509SvidSource {
     }
 
     /**
-     * Return the chain of certificates as an array.
+     * Return the chain of certificates as an array of {@link X509Certificate}
      */
     public X509Certificate[] getChainArray() {
         return chain.toArray(new X509Certificate[0]);

java-spiffe-core/src/main/java/spiffe/svid/x509svid/X509SvidSource.java

@@ -1,7 +1,7 @@
 package spiffe.svid.x509svid;
 
 /**
- * A <code>X509SvidSource</code> represents a source of X.509 SVIDs.
+ * Represents a source of X.509 SVIDs.
  */
 public interface X509SvidSource {
 

java-spiffe-core/src/main/java/spiffe/svid/x509svid/X509SvidValidator.java

@@ -16,8 +16,7 @@ import java.util.List;
 import java.util.function.Supplier;
 
 /**
- * A <code>X509SvidValidator</code> provides methods to validate
+ * Provides methods to validate a chain of X.509 certificates using an X.509 bundle source.
- * a chain of X.509 certificates using an X.509 bundle source.
  */
 public class X509SvidValidator {
 

java-spiffe-core/src/main/java/spiffe/workloadapi/Address.java

@@ -27,7 +27,7 @@ public class Address {
 
     /**
      * Returns the default Workload API address hold by the system environment variable
-     * defined by SOCKET_ENV_VARIABLE
+     * defined by SOCKET_ENV_VARIABLE.
      */
     public static String getDefaultAddress() {
         return System.getenv(Address.SOCKET_ENV_VARIABLE);

java-spiffe-core/src/main/java/spiffe/workloadapi/JwtSource.java

@@ -29,8 +29,7 @@ import java.util.logging.Level;
 import static spiffe.workloadapi.internal.ThreadUtils.await;
 
 /**
- * A <code>JwtSource</code> represents a source of SPIFFE JWT SVIDs and JWT bundles
+ * Represents a source of SPIFFE JWT SVIDs and JWT bundles maintained via the Workload API.
- * maintained via the Workload API.
  */
 @Log
 public class JwtSource implements JwtSvidSource, BundleSource<JwtBundle>, Closeable {

java-spiffe-core/src/main/java/spiffe/workloadapi/Watcher.java

@@ -1,7 +1,7 @@
 package spiffe.workloadapi;
 
 /**
- * a <code>Watcher</code> handles updates of type T.
+ * Watches updates of type T.
  *
  * @param <T> is the type of the updates.
  */

java-spiffe-core/src/main/java/spiffe/workloadapi/WorkloadApiClient.java

@@ -36,7 +36,7 @@ import java.util.concurrent.ScheduledExecutorService;
 import java.util.logging.Level;
 
 /**
- * A <code>WorkloadApiClient</code> represents a client to interact with the Workload API.
+ * Represents a client to interact with the Workload API.
  * <p>
  * Supports one-shot calls and watch updates for X.509 and JWT SVIDs and bundles.
  * <p>
@@ -74,7 +74,7 @@ public class WorkloadApiClient implements Closeable {
     }
 
     /**
-     * Creates a new Workload API client.
+     * Creates a new Workload API client configured with the given client options.
      * <p>
      * If the SPIFFE socket endpoint address is not provided in the options, it uses the default address.
      *
@@ -182,6 +182,7 @@ public class WorkloadApiClient implements Closeable {
      * @param audience      the audience of the JWT-SVID
      * @param extraAudience the extra audience for the JWT_SVID
      * @return an instance of a {@link JwtSvid}
+     * @throws JwtSvidException if there is an error fetching or processing the JWT from the Workload API
      */
     public JwtSvid fetchJwtSvid(@NonNull SpiffeId subject, @NonNull String audience, String... extraAudience) throws JwtSvidException {
         List<String> audParam = new ArrayList<>();
@@ -210,8 +211,7 @@ public class WorkloadApiClient implements Closeable {
     }
 
     /**
-     * Validates the JWT-SVID token. The parsed and validated
+     * Validates the JWT-SVID token. The parsed and validated JWT-SVID is returned.
-     * JWT-SVID is returned.
      *
      * @param token    JWT token
      * @param audience audience of the JWT

java-spiffe-core/src/main/java/spiffe/workloadapi/X509Context.java

@@ -8,7 +8,7 @@ import spiffe.svid.x509svid.X509Svid;
 import java.util.List;
 
 /**
- * A <code>X509Context</code> represents the X.509 materials that are fetched from the Workload API.
+ * Represents the X.509 materials that are fetched from the Workload API.
  * <p>
  * Contains a list of {@link X509Svid} and a {@link X509BundleSet}.
  */

java-spiffe-core/src/main/java/spiffe/workloadapi/X509Source.java

@@ -28,8 +28,7 @@ import java.util.logging.Level;
 import static spiffe.workloadapi.internal.ThreadUtils.await;
 
 /**
- * A <code>X509Source</code> represents a source of X.509 SVIDs and X.509 bundles maintained via the
+ * Represents a source of X.509 SVIDs and X.509 bundles maintained via the Workload API.
- * Workload API.
  * <p>
  * It handles a {@link X509Svid} and a {@link X509BundleSet} that are updated automatically
  * whenever there is an update from the Workload API.
@@ -97,7 +96,7 @@ public class X509Source implements X509SvidSource, BundleSource<X509Bundle>, Clo
      * Creates a new X.509 source. It blocks until the initial update
      * has been received from the Workload API or until the timeout configured
      * through the system property `spiffe.newX509Source.timeout` expires.
-     * If no timeout is configured, it blocks until it gets a X.509 update from the Workload API.
+     * If no timeout is configured, it blocks until it gets an X.509 update from the Workload API.
      * <p>
      * The {@link WorkloadApiClient} can be provided in the options, if it is not, a new client is created.
      *

java-spiffe-core/src/main/java/spiffe/workloadapi/retry/BackoffPolicy.java

@@ -7,6 +7,9 @@ import lombok.val;
 import java.time.Duration;
 import java.util.function.UnaryOperator;
 
+/**
+ * Represents a backoff policy for performing retries using exponential increasing delays.
+ */
 @Data
 public class BackoffPolicy {
 
@@ -55,8 +58,8 @@ public class BackoffPolicy {
      * Calculate the nextDelay based on a currentDelay, applying the backoff function
      * If the calculated delay is greater than maxDelay, it returns maxDelay
      *
-     * @param currentDelay
+     * @param currentDelay a {@link Duration} representing the current delay
-     * @return next delay
+     * @return a {@link Duration} representing the next delay
      */
     public Duration nextDelay(Duration currentDelay) {
         val next = backoffFunction.apply(currentDelay);
@@ -71,7 +74,7 @@ public class BackoffPolicy {
      * or if the retriesCount param is lower than the maxRetries
      *
      * @param retriesCount the current number of retries
-     * @return
+     * @return false if the number of retries did not reach the max number of retries, true otherwise
      */
     public boolean didNotReachMaxRetries(int retriesCount) {
         return (maxRetries == UNLIMITED_RETRIES || retriesCount < maxRetries);

java-spiffe-core/src/main/java/spiffe/workloadapi/retry/RetryHandler.java

@@ -5,7 +5,7 @@ import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 
 /**
- * Provides methods to schedule the execution of retries based on a backoff policy
+ * Provides methods to schedule the execution of retries based on a backoff policy.
  */
 public class RetryHandler {
 

java-spiffe-core/src/test/java/spiffe/spiffeid/SpiffeIdUtilsTest.java

@@ -8,96 +8,11 @@ import java.net.URISyntaxException;
 import java.nio.file.NoSuchFileException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.security.Security;
 import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.*;
 
-class piffeIdUtilsTest {
+class SpiffeIdUtilsTest {
-
-    @Test
-    void getSpiffeIdsFromSystemProperty() {
-        System.setProperty("spiffe.property", " spiffe://example.org/workload1, spiffe://example.org/workload2 ");
-
-        List<SpiffeId> spiffeIdList = SpiffeIdUtils.getSpiffeIdsFromSystemProperty("spiffe.property");
-
-        assertNotNull(spiffeIdList);
-        assertEquals(2, spiffeIdList.size());
-        assertEquals(SpiffeId.parse("spiffe://example.org/workload1"), spiffeIdList.get(0));
-        assertEquals(SpiffeId.parse("spiffe://example.org/workload2"), spiffeIdList.get(1));
-    }
-
-    @Test
-    void getSpiffeIdsFromSystemPropertyThatHasNoValue_returnsEmptyList() {
-        System.setProperty("spiffe.property", "");
-
-        List<SpiffeId> spiffeIdList = SpiffeIdUtils.getSpiffeIdsFromSystemProperty("spiffe.property");
-
-        assertNotNull(spiffeIdList);
-        assertEquals(0, spiffeIdList.size());
-    }
-
-    @Test
-    void getSpiffeIdsFromBlankSystemProperty_throwsIllegalArgumentException() {
-        try {
-            SpiffeIdUtils.getSpiffeIdsFromSystemProperty("");
-            fail("should have thrown exception");
-        } catch (IllegalArgumentException e) {
-            //expected
-        }
-    }
-
-    @Test
-    void getSpiffeIdsFromNullSystemProperty_throwsIllegalArgumentException() {
-        try {
-            SpiffeIdUtils.getSpiffeIdsFromSystemProperty(null);
-            fail("should have thrown exception");
-        } catch (IllegalArgumentException e) {
-            //expected
-        }
-    }
-
-    @Test
-    void getSpiffeIdsFromSecurityProperty() {
-        Security.setProperty("spiffe.property", " spiffe://example.org/workload1, spiffe://example.org/workload2 ");
-
-        List<SpiffeId> spiffeIdList = SpiffeIdUtils.getSpiffeIdsFromSecurityProperty("spiffe.property");
-
-        assertNotNull(spiffeIdList);
-        assertEquals(2, spiffeIdList.size());
-        assertEquals(SpiffeId.parse("spiffe://example.org/workload1"), spiffeIdList.get(0));
-        assertEquals(SpiffeId.parse("spiffe://example.org/workload2"), spiffeIdList.get(1));
-    }
-
-    @Test
-    void getSpiffeIdsFromSecurityPropertyThatHasNoValue_returnsEmptyList() {
-        Security.setProperty("spiffe.property", "");
-
-        List<SpiffeId> spiffeIdList = SpiffeIdUtils.getSpiffeIdsFromSecurityProperty("spiffe.property");
-
-        assertNotNull(spiffeIdList);
-        assertEquals(0, spiffeIdList.size());
-    }
-
-    @Test
-    void getSpiffeIdsFromBlankSecurityProperty_throwsIllegalArgumentException() {
-        try {
-            SpiffeIdUtils.getSpiffeIdsFromSecurityProperty("");
-            fail("should have thrown exception");
-        } catch (IllegalArgumentException e) {
-            //expected
-        }
-    }
-
-    @Test
-    void getSpiffeIdsFromNullSecurityProperty_throwsIllegalArgumentException() {
-        try {
-            SpiffeIdUtils.getSpiffeIdsFromSecurityProperty(null);
-            fail("should have thrown exception");
-        } catch (IllegalArgumentException e) {
-            //expected
-        }
-    }
 
     @Test
     void getSpiffeIdListFromFile() throws URISyntaxException {