--- a/jdk/src/macosx/classes/sun/lwawt/macosx/CFileDialog.java	Tue May 15 15:04:10 2012 +0400
+++ b/jdk/src/macosx/classes/sun/lwawt/macosx/CFileDialog.java	Wed May 16 13:15:27 2012 +0400
@@ -34,6 +34,7 @@
 import java.io.*;
 
 import sun.awt.CausedFocusEvent.Cause;
+import sun.awt.AWTAccessor;
 import sun.java2d.pipe.Region;
 
 class CFileDialog implements FileDialogPeer {
@@ -53,33 +54,40 @@
                     title = " ";
                 }
 
-                String userFileName = nativeRunFileDialog(title,
-                        dialogMode, navigateApps,
+                String[] userFileNames = nativeRunFileDialog(title,
+                        dialogMode,
+                        target.isMultipleMode(),
+                        navigateApps,
                         target.getFilenameFilter() != null,
                         target.getDirectory(),
                         target.getFile());
 
-                File file = null;
-                if (userFileName != null) {
+                String directory = null;
+                String file = null;
+                File[] files = null;
+
+                if (userFileNames != null) {
                     // the dialog wasn't cancelled
-                    file = new File(userFileName);
+                    int filesNumber = userFileNames.length;
+                    files = new File[filesNumber];
+                    for (int i = 0; i < filesNumber; i++) {
+                        files[i] = new File(userFileNames[i]);
+                    }
+
+                    directory = files[0].getParent();
+                    // make sure directory always ends in '/'
+                    if (!directory.endsWith(File.separator)) {
+                        directory = directory + File.separator;
+                    }
+
+                    file = files[0].getName(); // pick any file
                 }
 
-                if (file != null) {
-                    // make sure directory always ends in '/'
-                    String parent = file.getParent();
-                    if (!parent.endsWith(File.separator)) {
-                        parent = parent + File.separator;
-                    }
-
-                    // store results back in component
-                    target.setDirectory(parent);
-                    target.setFile(file.getName());
-                } else {
-                    // setting file name to null is how we tell
-                    // java client that user hit the cancel button
-                    target.setFile(null);
-                }
+                // store results back in component
+                AWTAccessor.FileDialogAccessor accessor = AWTAccessor.getFileDialogAccessor();
+                accessor.setDirectory(target, directory);
+                accessor.setFile(target, file);
+                accessor.setFiles(target, files);
             } finally {
                 // Java2 Dialog waits for hide to let show() return
                 target.dispose();
@@ -133,8 +141,8 @@
         return ret;
     }
 
-    private native String nativeRunFileDialog(String title, int mode,
-            boolean shouldNavigateApps, boolean hasFilenameFilter,
+    private native String[] nativeRunFileDialog(String title, int mode,
+            boolean multipleMode, boolean shouldNavigateApps, boolean hasFilenameFilter,
             String directory, String file);
 
     @Override

--- a/jdk/src/macosx/native/sun/awt/CFileDialog.h	Tue May 15 15:04:10 2012 +0400
+++ b/jdk/src/macosx/native/sun/awt/CFileDialog.h	Wed May 16 13:15:27 2012 +0400
@@ -46,11 +46,14 @@
     // File dialog's mode
     jint fMode;
 
+    // Indicates whether the user can select multiple files
+    BOOL fMultipleMode;
+
     // Should we navigate into apps?
     BOOL fNavigateApps;
 
-    // panel's filename
-    NSString *fReturnedFilename;
+    // Contains the absolute paths of the selected files as URLs
+    NSArray *fURLs;
 }
 
 // Allocator
@@ -60,6 +63,7 @@
             directory:(NSString *)inPath
                  file:(NSString *)inFile
                  mode:(jint)inMode
+         multipleMode:(BOOL)inMultipleMode
        shouldNavigate:(BOOL)inNavigateApps
               withEnv:(JNIEnv*)env;
 
@@ -69,7 +73,7 @@
 // Get dialog return value
 - (BOOL) userClickedOK;
 
-// Filename user chose
-- (NSString *) filename;
+// Returns the absolute paths of the selected files as URLs
+- (NSArray *) URLs;
 
 @end

--- a/jdk/src/macosx/native/sun/awt/CFileDialog.m	Tue May 15 15:04:10 2012 +0400
+++ b/jdk/src/macosx/native/sun/awt/CFileDialog.m	Wed May 16 13:15:27 2012 +0400
@@ -41,6 +41,7 @@
            directory:(NSString *)inPath
                 file:(NSString *)inFile
                 mode:(jint)inMode
+        multipleMode:(BOOL)inMultipleMode
       shouldNavigate:(BOOL)inNavigateApps
              withEnv:(JNIEnv*)env;
 {
@@ -54,6 +55,7 @@
         fTitle = inTitle;
         [fTitle retain];
         fMode = inMode;
+        fMultipleMode = inMultipleMode;
         fNavigateApps = inNavigateApps;
         fPanelResult = NSCancelButton;
     }
@@ -79,8 +81,8 @@
     [fTitle release];
     fTitle = nil;
 
-    [fReturnedFilename release];
-    fReturnedFilename = nil;
+    [fURLs release];
+    fURLs = nil;
 
     [super dealloc];
 }
@@ -105,7 +107,7 @@
 
         if (fMode == java_awt_FileDialog_LOAD) {
             NSOpenPanel *openPanel = (NSOpenPanel *)thePanel;
-            [openPanel setAllowsMultipleSelection:NO];
+            [openPanel setAllowsMultipleSelection:fMultipleMode];
             [openPanel setCanChooseFiles:YES];
             [openPanel setCanChooseDirectories:NO];
             [openPanel setCanCreateDirectories:YES];
@@ -114,8 +116,16 @@
         [thePanel setDelegate:self];
         fPanelResult = [thePanel runModalForDirectory:fDirectory file:fFile];
         [thePanel setDelegate:nil];
-        fReturnedFilename = [thePanel filename];
-        [fReturnedFilename retain];
+
+        if ([self userClickedOK]) {
+            if (fMode == java_awt_FileDialog_LOAD) {
+                NSOpenPanel *openPanel = (NSOpenPanel *)thePanel;
+                fURLs = [openPanel URLs];
+            } else {
+                fURLs = [NSArray arrayWithObject:[thePanel URL]];
+            }
+            [fURLs retain];
+        }
     }
 
     [self disposer];
@@ -158,8 +168,8 @@
     return fPanelResult == NSOKButton;
 }
 
-- (NSString *)filename {
-    return [[fReturnedFilename retain] autorelease];
+- (NSArray *)URLs {
+    return [[fURLs retain] autorelease];
 }
 @end
 
@@ -167,13 +177,14 @@
  * Class:     sun_lwawt_macosx_CFileDialog
  * Method:    nativeRunFileDialog
  * Signature: (Ljava/lang/String;ILjava/io/FilenameFilter;
- *             Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
+ *             Ljava/lang/String;Ljava/lang/String;)[Ljava/lang/String;
  */
-JNIEXPORT jstring JNICALL
+JNIEXPORT jobjectArray JNICALL
 Java_sun_lwawt_macosx_CFileDialog_nativeRunFileDialog
-(JNIEnv *env, jobject peer, jstring title, jint mode, jboolean navigateApps, jboolean hasFilter, jstring directory, jstring file)
+(JNIEnv *env, jobject peer, jstring title, jint mode, jboolean multipleMode,
+ jboolean navigateApps, jboolean hasFilter, jstring directory, jstring file)
 {
-    jstring returnValue = NULL;
+    jobjectArray returnValue = NULL;
 
 JNF_COCOA_ENTER(env);
     NSString *dialogTitle = JNFJavaToNSString(env, title);
@@ -187,6 +198,7 @@
                                                             directory:JNFJavaToNSString(env, directory)
                                                                  file:JNFJavaToNSString(env, file)
                                                                  mode:mode
+                                                         multipleMode:multipleMode
                                                        shouldNavigate:navigateApps
                                                               withEnv:env];
 
@@ -196,8 +208,18 @@
                       waitUntilDone:YES];
 
     if ([dialogDelegate userClickedOK]) {
-        NSString *filename = [dialogDelegate filename];
-        returnValue = JNFNSToJavaString(env, filename);
+        NSArray *urls = [dialogDelegate URLs];
+        jsize count = [urls count];
+
+        jclass stringClass = (*env)->FindClass(env, "java/lang/String");
+        returnValue = (*env)->NewObjectArray(env, count, stringClass, NULL);
+        (*env)->DeleteLocalRef(env, stringClass);
+
+        [urls enumerateObjectsUsingBlock:^(id url, NSUInteger index, BOOL *stop) {
+            jstring filename = JNFNormalizedJavaStringForPath(env, [url path]);
+            (*env)->SetObjectArrayElement(env, returnValue, index, filename);
+            (*env)->DeleteLocalRef(env, filename);
+        }];
     }
 
     [dialogDelegate release];

--- a/jdk/src/share/classes/java/awt/FileDialog.java	Tue May 15 15:04:10 2012 +0400
+++ b/jdk/src/share/classes/java/awt/FileDialog.java	Wed May 16 13:15:27 2012 +0400
@@ -147,8 +147,8 @@
     static {
         AWTAccessor.setFileDialogAccessor(
             new AWTAccessor.FileDialogAccessor() {
-                public void setFiles(FileDialog fileDialog, String directory, String files[]) {
-                    fileDialog.setFiles(directory, files);
+                public void setFiles(FileDialog fileDialog, File files[]) {
+                    fileDialog.setFiles(files);
                 }
                 public void setFile(FileDialog fileDialog, String file) {
                     fileDialog.file = ("".equals(file)) ? null : file;
@@ -446,13 +446,9 @@
      * @see #getFiles
      * @since 1.7
      */
-    private void setFiles(String directory, String files[]) {
+    private void setFiles(File files[]) {
         synchronized (getObjectLock()) {
-            int filesNumber = (files != null) ? files.length : 0;
-            this.files = new File[filesNumber];
-            for (int i = 0; i < filesNumber; i++) {
-                this.files[i] = new File(directory, files[i]);
-            }
+            this.files = files;
         }
     }
 

--- a/jdk/src/share/classes/sun/awt/AWTAccessor.java	Tue May 15 15:04:10 2012 +0400
+++ b/jdk/src/share/classes/sun/awt/AWTAccessor.java	Wed May 16 13:15:27 2012 +0400
@@ -34,6 +34,8 @@
 import java.awt.peer.ComponentPeer;
 import java.security.AccessControlContext;
 
+import java.io.File;
+
 /**
  * The AWTAccessor utility class.
  * The main purpose of this class is to enable accessing
@@ -455,7 +457,7 @@
         /*
          * Sets the files the user selects
          */
-        void setFiles(FileDialog fileDialog, String directory, String files[]);
+        void setFiles(FileDialog fileDialog, File files[]);
 
         /*
          * Sets the file the user selects

--- a/jdk/src/solaris/classes/sun/awt/X11/GtkFileDialogPeer.java	Tue May 15 15:04:10 2012 +0400
+++ b/jdk/src/solaris/classes/sun/awt/X11/GtkFileDialogPeer.java	Wed May 16 13:15:27 2012 +0400
@@ -73,7 +73,7 @@
         if (filenames == null) {
             accessor.setDirectory(fd, null);
             accessor.setFile(fd, null);
-            accessor.setFiles(fd, null, null);
+            accessor.setFiles(fd, null);
         } else {
             // Fix 6987233: add the trailing slash if it's absent
             String with_separator = directory;
@@ -83,7 +83,13 @@
             }
             accessor.setDirectory(fd, with_separator);
             accessor.setFile(fd, filenames[0]);
-            accessor.setFiles(fd, directory, filenames);
+
+            int filesNumber = (filenames != null) ? filenames.length : 0;
+            File[] files = new File[filesNumber];
+            for (int i = 0; i < filesNumber; i++) {
+                files[i] = new File(directory, filenames[i]);
+            }
+            accessor.setFiles(fd, files);
         }
     }
 

--- a/jdk/src/solaris/classes/sun/awt/X11/XFileDialogPeer.java	Tue May 15 15:04:10 2012 +0400
+++ b/jdk/src/solaris/classes/sun/awt/X11/XFileDialogPeer.java	Wed May 16 13:15:27 2012 +0400
@@ -396,11 +396,18 @@
             savedFile = file.substring(index+1);
         }
 
+        String[] fileNames = fileList.getSelectedItems();
+        int filesNumber = (fileNames != null) ? fileNames.length : 0;
+        File[] files = new File[filesNumber];
+        for (int i = 0; i < filesNumber; i++) {
+            files[i] = new File(savedDir, fileNames[i]);
+        }
+
         AWTAccessor.FileDialogAccessor fileDialogAccessor = AWTAccessor.getFileDialogAccessor();
 
         fileDialogAccessor.setDirectory(target, savedDir);
         fileDialogAccessor.setFile(target, savedFile);
-        fileDialogAccessor.setFiles(target, savedDir, fileList.getSelectedItems());
+        fileDialogAccessor.setFiles(target, files);
     }
 
     /**
@@ -419,7 +426,7 @@
 
         fileDialogAccessor.setDirectory(target, null);
         fileDialogAccessor.setFile(target, null);
-        fileDialogAccessor.setFiles(target, null, null);
+        fileDialogAccessor.setFiles(target, null);
 
         handleQuitButton();
     }

--- a/jdk/src/windows/classes/sun/awt/windows/WFileDialogPeer.java	Tue May 15 15:04:10 2012 +0400
+++ b/jdk/src/windows/classes/sun/awt/windows/WFileDialogPeer.java	Wed May 16 13:15:27 2012 +0400
@@ -139,13 +139,16 @@
 
         String jDirectory = null;
         String jFile = null;
-        String jFiles[] = null;
+        File[] jFiles = null;
 
         if (multiple) {
             jDirectory = wFiles[0];
-            jFiles = new String[wFiles.length - 1];
-            System.arraycopy(wFiles, 1, jFiles, 0, jFiles.length);
-            jFile = jFiles[1]; // choose any file
+            int filesNumber = wFiles.length - 1;
+            jFiles = new File[filesNumber];
+            for (int i = 0; i < filesNumber; i++) {
+                jFiles[i] = new File(jDirectory, wFiles[i + 1]);
+        }
+            jFile = wFiles[1]; // choose any file
         } else {
             int index = wFiles[0].lastIndexOf(java.io.File.separatorChar);
             if (index == -1) {
@@ -155,7 +158,7 @@
                 jDirectory = wFiles[0].substring(0, index + 1);
                 jFile = wFiles[0].substring(index + 1);
             }
-            jFiles = new String[] { jFile };
+            jFiles = new File[] { new File(jDirectory, jFile) };
         }
 
         final FileDialog fileDialog = (FileDialog)target;
@@ -163,7 +166,7 @@
 
         fileDialogAccessor.setDirectory(fileDialog, jDirectory);
         fileDialogAccessor.setFile(fileDialog, jFile);
-        fileDialogAccessor.setFiles(fileDialog, jDirectory, jFiles);
+        fileDialogAccessor.setFiles(fileDialog, jFiles);
 
         WToolkit.executeOnEventHandlerThread(fileDialog, new Runnable() {
              public void run() {
@@ -178,7 +181,7 @@
         final FileDialog fileDialog = (FileDialog)target;
 
         AWTAccessor.getFileDialogAccessor().setFile(fileDialog, null);
-        AWTAccessor.getFileDialogAccessor().setFiles(fileDialog, null, null);
+        AWTAccessor.getFileDialogAccessor().setFiles(fileDialog, null);
 
         WToolkit.executeOnEventHandlerThread(fileDialog, new Runnable() {
              public void run() {