java.nio.file.Files,.Path,.FileSystem support -- preliminary

Author: hansonr

sources/net.sf.j2s.java.core/src/java/awt/AWTEvent.java

@@ -90,7 +90,7 @@ public abstract class AWTEvent extends EventObject {
 
 	private static int idnum; // SwingJS for testing
 
-    byte bdata[];
+    public byte bdata[];
 
     /**
      * The event's id.
@@ -605,8 +605,12 @@ protected boolean isConsumed() {
      * freed when the that is finalized. Upon completion,
      * this event is not changed.
      */
-    void copyPrivateDataInto(AWTEvent that) {
+    
+    // SwingJS allow JSDnD to do this.
+    
+    protected void copyPrivateDataInto(AWTEvent that) {
         that.bdata = bdata;
+        // For JSDnD, we need to also copy over the dispatch() method if it exists.
 //        // Copy canAccessSystemClipboard value from this into that.
 //        if (this instanceof InputEvent && that instanceof InputEvent) {
 ////            Field field = get_InputEvent_CanAccessSystemClipboard();

sources/net.sf.j2s.java.core/src/java/io/File.java

@@ -30,10 +30,13 @@
 
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.nio.file.FileSystems;
+import java.nio.file.Path;
 import java.security.AccessControlException;
 import java.util.ArrayList;
 import java.util.Random;
 
+import swingjs.JSFileSystem.JSPath;
 import swingjs.JSTempFile;
 
 
@@ -139,7 +142,7 @@ public class File
 {
 
 
-	protected byte[] _bytes; // filled in by SwingJS ajax call
+	public byte[] _bytes; // filled in by SwingJS ajax call or drag-drop from JSDnD
 //
 //    /**
 //     * The FileSystem object representing the platform's local file system.
@@ -162,6 +165,7 @@ public class File
     private transient int prefixLength;
 
 	private long lastModified;
+	private Path filePath;
 
     /**
      * Returns the length of this abstract pathname's prefix.
@@ -1983,5 +1987,20 @@ public int hashCode() {
     public String toString() {
         return getPath();
     }
-   
+ 
+    public Path toPath() {
+        Path result = filePath;
+        if (result == null) {
+            synchronized (this) {
+                result = filePath;
+                if (result == null) {
+                    result = FileSystems.getDefault().getPath(path);
+                    ((JSPath) result)._bytes = _bytes;
+                    filePath = result;
+                }
+            }
+        }
+        return result;
+    }
+
 }

sources/net.sf.j2s.java.core/src/java/nio/channels/Channels.java

@@ -42,6 +42,7 @@
 import sun.nio.ch.ChannelInputStream;
 import sun.nio.cs.StreamDecoder;
 import sun.nio.cs.StreamEncoder;
+import swingjs.JSFileSystem;
 
 
 /**
@@ -122,7 +123,8 @@ private static void writeFully(WritableByteChannel ch, ByteBuffer bb)
      */
     public static InputStream newInputStream(ReadableByteChannel ch) {
         checkNotNull(ch, "ch");
-        return new sun.nio.ch.ChannelInputStream(ch);
+        return ((JSFileSystem.JSSeekableByteChannel) ch).getInputStream();
+//        return new sun.nio.ch.ChannelInputStream(ch);
     }
 
     /**