--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/dnd/FileTransfer.d	Sat Aug 09 17:00:02 2008 +0200
@@ -0,0 +1,196 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2006 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *     Outhink - support for typeFileURL
+ *******************************************************************************/
+module dwt.dnd;
+
+import java.io.*;
+import dwt.internal.carbon.*;
+ 
+/**
+ * The class <code>FileTransfer</code> provides a platform specific mechanism 
+ * for converting a list of files represented as a java <code>String[]</code> to a 
+ * platform specific representation of the data and vice versa.  
+ * Each <code>String</code> in the array contains the absolute path for a single 
+ * file or directory.
+ * See <code>Transfer</code> for additional information.
+ * 
+ * <p>An example of a java <code>String[]</code> containing a list of files is shown 
+ * below:</p>
+ * 
+ * <code><pre>
+ *     File file1 = new File("C:\temp\file1");
+ *     File file2 = new File("C:\temp\file2");
+ *     String[] fileData = new String[2];
+ *     fileData[0] = file1.getAbsolutePath();
+ *     fileData[1] = file2.getAbsolutePath();
+ * </code></pre>
+ */
+public class FileTransfer : ByteArrayTransfer {
+    
+    static FileTransfer _instance = new FileTransfer();
+    static final String HFS = "hfs "; //$NON-NLS-1$
+    static final String FURL = "furl"; //$NON-NLS-1$
+    static final int HFSID = registerType(HFS);
+    static final int FURLID = registerType(FURL);
+    
+FileTransfer() {}
+
+/**
+ * Returns the singleton instance of the FileTransfer class.
+ *
+ * @return the singleton instance of the FileTransfer class
+ */
+public static FileTransfer getInstance () {
+    return _instance;
+}
+
+/**
+ * This implementation of <code>javaToNative</code> converts a list of file names
+ * represented by a java <code>String[]</code> to a platform specific representation.
+ * Each <code>String</code> in the array contains the absolute path for a single 
+ * file or directory.  For additional information see 
+ * <code>Transfer#javaToNative</code>.
+ * 
+ * @param object a java <code>String[]</code> containing the file names to be 
+ * converted
+ * @param transferData an empty <code>TransferData</code> object; this
+ *  object will be filled in on return with the platform specific format of the data
+ */
+public void javaToNative(Object object, TransferData transferData) {
+    if (!checkFile(object) || !isSupportedType(transferData)) {
+        DND.error(DND.ERROR_INVALID_DATA);
+    }
+    String[] files = (String[])object;
+    transferData.result = -1;
+    byte[][] data = new byte[files.length][];
+    for (int i = 0; i < data.length; i++) {
+        File file = new File(files[i]);
+        bool isDirectory = file.isDirectory();
+        String fileName = files[i];
+        char [] chars = new char [fileName.length ()];
+        fileName.getChars (0, chars.length, chars, 0);
+        int cfString = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, chars, chars.length);
+        if (cfString is 0) return;
+        try {
+            int url = OS.CFURLCreateWithFileSystemPath(OS.kCFAllocatorDefault, cfString, OS.kCFURLPOSIXPathStyle, isDirectory);
+            if (url is 0) return;
+            try {
+                if (transferData.type is HFSID) {
+                    byte[] fsRef = new byte[80];
+                    if (!OS.CFURLGetFSRef(url, fsRef)) return;
+                    byte[] fsSpec = new byte[70];
+                    if (OS.FSGetCatalogInfo(fsRef, 0, null, null, fsSpec, null) !is OS.noErr) return;
+                    byte[] hfsflavor = new byte[10 + fsSpec.length];
+                    byte[] finfo = new byte[16];
+                    OS.FSpGetFInfo(fsSpec, finfo);
+                    System.arraycopy(finfo, 0, hfsflavor, 0, 10);
+                    System.arraycopy(fsSpec, 0, hfsflavor, 10, fsSpec.length);
+                    data[i] = hfsflavor;
+                }
+                if (transferData.type is FURLID) {
+                    int encoding = OS.CFStringGetSystemEncoding();
+                    int theData = OS.CFURLCreateData(OS.kCFAllocatorDefault, url, encoding, true);
+                    if (theData is 0) return;
+                    try {
+                        int length = OS.CFDataGetLength(theData);
+                        byte[] buffer = new byte[length];
+                        CFRange range = new CFRange();
+                        range.length = length;
+                        OS.CFDataGetBytes(theData, range, buffer);
+                        data[i] = buffer;
+                    } finally {
+                        OS.CFRelease(theData);
+                    }
+                }
+            } finally {
+                OS.CFRelease(url);
+            }
+        } finally {
+            OS.CFRelease(cfString);
+        }
+    }
+    transferData.data = data;
+    transferData.result = 0;
+}
+/**
+ * This implementation of <code>nativeToJava</code> converts a platform specific 
+ * representation of a list of file names to a java <code>String[]</code>.  
+ * Each String in the array contains the absolute path for a single file or directory. 
+ * For additional information see <code>Transfer#nativeToJava</code>.
+ * 
+ * @param transferData the platform specific representation of the data to be 
+ * been converted
+ * @return a java <code>String[]</code> containing a list of file names if the 
+ * conversion was successful; otherwise null
+ */
+public Object nativeToJava(TransferData transferData) {
+    if (!isSupportedType(transferData) || transferData.data is null) return null;
+    if (transferData.data.length is 0) return null;
+    int count = transferData.data.length;
+    String[] fileNames = new String[count];
+    for (int i=0; i<count; i++) {
+        byte[] data = transferData.data[i];
+        int url = 0;
+        if (transferData.type is HFSID) {
+            byte[] fsspec = new byte[data.length - 10];
+            System.arraycopy(data, 10, fsspec, 0, fsspec.length);
+            byte[] fsRef = new byte[80];
+            if (OS.FSpMakeFSRef(fsspec, fsRef) !is OS.noErr) return null;
+            url = OS.CFURLCreateFromFSRef(OS.kCFAllocatorDefault, fsRef);
+            if (url is 0) return null;
+        }
+        if (transferData.type is FURLID) {
+            int encoding = OS.kCFStringEncodingUTF8;
+            url = OS.CFURLCreateWithBytes(OS.kCFAllocatorDefault, data, data.length, encoding, 0);
+            if (url is 0) return null;
+        }
+        try {
+            int path = OS.CFURLCopyFileSystemPath(url, OS.kCFURLPOSIXPathStyle);
+            if (path is 0) return null;
+            try {
+                int length = OS.CFStringGetLength(path);
+                if (length is 0) return null;
+                char[] buffer= new char[length];
+                CFRange range = new CFRange();
+                range.length = length;
+                OS.CFStringGetCharacters(path, range, buffer);
+                fileNames[i] = new String(buffer);
+            } finally {
+                OS.CFRelease(path);
+            }
+        } finally {
+            OS.CFRelease(url);
+        }
+    }
+    return fileNames;
+}
+
+protected int[] getTypeIds(){
+    return new int[] {FURLID, HFSID};
+}
+
+protected String[] getTypeNames(){
+    return new String[] {FURL, HFS};
+}
+
+bool checkFile(Object object) {
+    if (object is null || !(object instanceof String[]) || ((String[])object).length is 0) return false;
+    String[] Strings = (String[])object;
+    for (int i = 0; i < Strings.length; i++) {
+        if (Strings[i] is null || Strings[i].length() is 0) return false;
+    }
+    return true;
+}
+
+protected bool validate(Object object) {
+    return checkFile(object);
+}
+}