jdk/src/jdk.jlink/share/classes/jdk/tools/jlink/plugin/ResourcePoolEntry.java

@@ -50,23 +50,27 @@
     /**
      * Type of module data.
      * <li>
      * <ul>CLASS_OR_RESOURCE: A java class or resource file.</ul>
      * <ul>CONFIG: A configuration file.</ul>
-     * <ul>NATIVE_CMD: A native process launcher.</ul>
+     * <ul>HEADER_FILE: A header file.</ul>
+     * <ul>LEGAL_NOTICE: A legal notice.</ul>
+     * <ul>MAN_PAGE: A man page.</ul>
+     * <ul>NATIVE_CMD: A native executable launcher.</ul>
      * <ul>NATIVE_LIB: A native library.</ul>
      * <ul>TOP: A top-level file in the jdk run-time image directory.</ul>
      * <ul>OTHER: Other kind of file.</ul>
      * </li>
      */
     public enum Type {
         CLASS_OR_RESOURCE,
         CONFIG,
-        NATIVE_CMD,
-        NATIVE_LIB,
         HEADER_FILE,
+        LEGAL_NOTICE,
         MAN_PAGE,
+        NATIVE_CMD,
+        NATIVE_LIB,
         TOP,
         OTHER
     }
 
     /**

@@ -103,10 +107,21 @@
      * @return The resource content as an InputStream.
      */
     public InputStream content();
 
     /**
+     * Returns a target linked with this entry.
+     *
+     * @implSpec The default implementation returns {@code null}.
+     *
+     * @return the target ResourcePoolEntry linked with this entry.
+     */
+    public default ResourcePoolEntry linkedTarget() {
+        return null;
+    }
+
+    /**
      * The ResourcePoolEntry content as an array of bytes.
      *
      * @return An Array of bytes.
      */
     public default byte[] contentBytes() {

@@ -197,6 +212,23 @@
      * @return A new ResourcePoolEntry.
      */
     public static ResourcePoolEntry create(String path, Path file) {
         return create(path, Type.CLASS_OR_RESOURCE, file);
     }
+
+    /**
+     * Create a ResourcePoolEntry for a resource the given path and type.
+     * If the target platform supports symbolic links, it will be created
+     * as a symbolic link to the given target entry; otherwise, the
+     * ResourcePoolEntry contains the relative path to the target entry.
+     *
+     * @param path The resource path.
+     * @param type The ResourcePoolEntry type.
+     * @param target The target entry
+     * @return A new ResourcePoolEntry
+     */
+    public static ResourcePoolEntry createSymLink(String path,
+                                                  ResourcePoolEntry.Type type,
+                                                  ResourcePoolEntry target) {
+        return ResourcePoolEntryFactory.createSymbolicLink(path, type, target);
+    }
 }