Remove support for listing directory as html page and cleanups

mrm-api/src/main/java/org/codehaus/mojo/mrm/api/AbstractEntry.java

@@ -22,18 +22,10 @@
 /**
  * Abstract implementation of {@link Entry}.
  *
- * @serial
  * @since 1.0
  */
 public abstract class AbstractEntry implements Entry {
 
-    /**
-     * Ensure consistent serialization.
-     *
-     * @since 1.0
-     */
-    private static final long serialVersionUID = 1L;
-
     /**
      * The file system that this entry belongs to.
      *
@@ -69,30 +61,22 @@ protected AbstractEntry(FileSystem fileSystem, DirectoryEntry parent, String nam
         this.name = name;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public FileSystem getFileSystem() {
         return fileSystem;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public DirectoryEntry getParent() {
         return parent;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public String getName() {
         return name;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public boolean equals(Object o) {
         if (this == o) {
             return true;
@@ -112,18 +96,14 @@ public boolean equals(Object o) {
         return Objects.equals(parent, abstractEntry.parent);
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public final int hashCode() {
         int result = name.hashCode();
         result = 31 * result + (parent != null ? parent.hashCode() : 0);
         return result;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public String toString() {
         final StringBuilder sb = new StringBuilder();
         sb.append("Entry[");
@@ -132,9 +112,7 @@ public String toString() {
         return sb.toString();
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public final String toPath() {
         Stack<String> stack = new Stack<>();
         Entry root = getFileSystem().getRoot();

mrm-api/src/main/java/org/codehaus/mojo/mrm/api/BaseFileEntry.java

@@ -22,12 +22,6 @@
  * @since 1.0
  */
 public abstract class BaseFileEntry extends AbstractEntry implements FileEntry {
-    /**
-     * Ensure consistent serialization.
-     *
-     * @since 1.0
-     */
-    private static final long serialVersionUID = 1L;
 
     /**
      * Creates an entry in the specified file system with the specified parent and name.

mrm-api/src/main/java/org/codehaus/mojo/mrm/api/BaseFileSystem.java

@@ -16,38 +16,24 @@
 
 package org.codehaus.mojo.mrm.api;
 
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-
 /**
  * Base implementation of {@link FileSystem} that all implementations should extend from.
  *
  * @since 1.0
  */
 public abstract class BaseFileSystem implements FileSystem {
-    /**
-     * Ensure consistent serialization.
-     *
-     * @since 1.0
-     */
-    private static final long serialVersionUID = 1L;
 
     /**
      * The root entry.
      */
     private final DirectoryEntry root = new DefaultDirectoryEntry(this, null, "");
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public DirectoryEntry getRoot() {
         return root;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public Entry get(String path) {
         if (path.startsWith("/")) {
             path = path.substring(1);
@@ -87,32 +73,4 @@ protected Entry get(DirectoryEntry parent, String name) {
         }
         return null;
     }
-
-    /**
-     * {@inheritDoc}
-     */
-    public DirectoryEntry mkdir(DirectoryEntry parent, String name) {
-        throw new UnsupportedOperationException();
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public FileEntry put(DirectoryEntry parent, String name, InputStream content) throws IOException {
-        throw new UnsupportedOperationException();
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public FileEntry put(DirectoryEntry parent, String name, byte[] content) throws IOException {
-        return put(parent, name, new ByteArrayInputStream(content));
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public void remove(Entry entry) {
-        throw new UnsupportedOperationException();
-    }
 }

mrm-api/src/main/java/org/codehaus/mojo/mrm/api/DefaultDirectoryEntry.java

@@ -24,12 +24,6 @@
  * @since 1.0
  */
 public class DefaultDirectoryEntry extends AbstractEntry implements DirectoryEntry {
-    /**
-     * Ensure consistent serialization.
-     *
-     * @since 1.0
-     */
-    private static final long serialVersionUID = 1L;
 
     /**
      * Creates an entry in the specified file system with the specified parent and name.
@@ -62,9 +56,7 @@ public static DirectoryEntry equivalent(FileSystem target, DirectoryEntry direct
         return new DefaultDirectoryEntry(target, equivalent(target, directory.getParent()), directory.getName());
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public long getLastModified() throws IOException {
         return getFileSystem().getLastModified(this);
     }

mrm-api/src/main/java/org/codehaus/mojo/mrm/api/Entry.java

@@ -16,14 +16,13 @@
 package org.codehaus.mojo.mrm.api;
 
 import java.io.IOException;
-import java.io.Serializable;
 
 /**
  * An entry in the repository.
  *
  * @since 1.0
  */
-public interface Entry extends Serializable {
+public interface Entry {
 
     /**
      * Returns the repository that this entry belongs to.

mrm-api/src/main/java/org/codehaus/mojo/mrm/api/FileSystem.java

@@ -18,14 +18,13 @@
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.Serializable;
 
 /**
  * A repository is just a type of file system.
  *
  * @since 1.0
  */
-public interface FileSystem extends Serializable {
+public interface FileSystem {
     /**
      * Lists the entries in the specified directory. Some implementations may be lazy caching
      * implementations, in which case it is permitted to return either an empty array, or only those entries which
@@ -73,17 +72,6 @@ public interface FileSystem extends Serializable {
      */
     long getLastModified(DirectoryEntry entry) throws IOException;
 
-    /**
-     * Makes the specified child directory.
-     *
-     * @param parent the directory in which the child is to be created.
-     * @param name   the name of the child directory.
-     * @return the child directory entry.
-     * @throws UnsupportedOperationException if the repository is read-only.
-     * @since 1.0
-     */
-    DirectoryEntry mkdir(DirectoryEntry parent, String name);
-
     /**
      * Puts the specified content into a the specified directory.
      *
@@ -96,26 +84,4 @@ public interface FileSystem extends Serializable {
      * @since 1.0
      */
     FileEntry put(DirectoryEntry parent, String name, InputStream content) throws IOException;
-
-    /**
-     * Puts the specified content into a the specified directory.
-     *
-     * @param parent  the directory in which the content is to be created/updated.
-     * @param name    the name of the file.
-     * @param content the content.
-     * @return the {@link FileEntry} that was created/updated.
-     * @throws UnsupportedOperationException if the repository is read-only.
-     * @throws java.io.IOException           if the content could not be read/written.
-     * @since 1.0
-     */
-    FileEntry put(DirectoryEntry parent, String name, byte[] content) throws IOException;
-
-    /**
-     * Removes the specified entry (and if the entry is a directory, all its children).
-     *
-     * @param entry the entry to remove.
-     * @throws UnsupportedOperationException if the repository is read-only.
-     * @since 1.0
-     */
-    void remove(Entry entry);
 }

mrm-api/src/main/java/org/codehaus/mojo/mrm/api/ResolverUtils.java

@@ -13,6 +13,10 @@
  */
 public class ResolverUtils {
 
+    private ResolverUtils() {
+        // utility class
+    }
+
     /**
      * <p>Creates a new {@link org.eclipse.aether.artifact.Artifact} based on an {@link Artifact} object.</p>
      * <p>Future deprecation: This method will be replaced with the new Maven 4

mrm-api/src/main/java/org/codehaus/mojo/mrm/api/maven/Artifact.java

@@ -16,7 +16,6 @@
 
 package org.codehaus.mojo.mrm.api.maven;
 
-import java.io.Serializable;
 import java.text.MessageFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -30,14 +29,7 @@
  * @serial
  * @since 1.0
  */
-public final class Artifact implements Serializable, Comparable<Artifact> {
-
-    /**
-     * Ensure consistent serialization.
-     *
-     * @since 1.0
-     */
-    private static final long serialVersionUID = 1L;
+public final class Artifact implements Comparable<Artifact> {
 
     /**
      * The groupId of the artifact.
@@ -95,15 +87,15 @@ public final class Artifact implements Serializable, Comparable<Artifact> {
      *
      * @since 1.0
      */
-    private transient String name;
+    private String name;
 
     /**
      * The lazy idempotent cache of the artifact's timestamp version string (which will be equal to the {@link #version}
      * for either a release version or a non-timestamped SNAPSHOT.
      *
      * @since 1.0
      */
-    private transient String timestampVersion;
+    private String timestampVersion;
 
     /**
      * Common internal constructor.

mrm-api/src/main/java/org/codehaus/mojo/mrm/api/maven/ArtifactStore.java

@@ -18,7 +18,6 @@
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.Serializable;
 import java.util.Set;
 
 import org.apache.maven.archetype.catalog.ArchetypeCatalog;
@@ -29,7 +28,7 @@
  *
  * @since 1.0
  */
-public interface ArtifactStore extends Serializable {
+public interface ArtifactStore {
 
     /**
      * <p>

mrm-api/src/main/java/org/codehaus/mojo/mrm/api/maven/BaseArtifactStore.java

@@ -21,9 +21,7 @@ public abstract class BaseArtifactStore implements ArtifactStore {
      */
     private static final long serialVersionUID = 1L;
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public void set(Artifact artifact, InputStream content) throws IOException {
         throw new UnsupportedOperationException("Read-only artifact store");
     }
@@ -33,24 +31,18 @@ public void setMetadata(String path, Metadata metadata) throws IOException {
         throw new UnsupportedOperationException("Read-only artifact store");
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public void setArchetypeCatalog(InputStream content) throws IOException {
         throw new UnsupportedOperationException("Read-only artifact store");
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public ArchetypeCatalog getArchetypeCatalog() throws IOException, ArchetypeCatalogNotFoundException {
         throw new ArchetypeCatalogNotFoundException(
                 "Archetype Catalog not available", new UnsupportedOperationException());
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    @Override
     public long getArchetypeCatalogLastModified() throws IOException, ArchetypeCatalogNotFoundException {
         throw new ArchetypeCatalogNotFoundException(
                 "Archetype Catalog not available", new UnsupportedOperationException());

mrm-maven-plugin/src/main/java/org/codehaus/mojo/mrm/plugin/AbstractMRMMojo.java

@@ -68,7 +68,7 @@ public abstract class AbstractMRMMojo extends AbstractMojo {
      * Creates a new instance
      * @param proxyRepo injected proxyRepo
      */
-    public AbstractMRMMojo(ArtifactStoreFactory proxyRepo) {
+    protected AbstractMRMMojo(ArtifactStoreFactory proxyRepo) {
         this.proxyRepo = proxyRepo;
     }
 
@@ -78,6 +78,7 @@ public AbstractMRMMojo(ArtifactStoreFactory proxyRepo) {
      * @throws MojoExecutionException If there is an exception occuring during the execution of the plugin.
      * @throws MojoFailureException If there is an exception occuring during the execution of the plugin.
      */
+    @Override
     public final void execute() throws MojoExecutionException, MojoFailureException {
         if (skip) {
             getLog().info("Skipping invocation per configuration."