### Eclipse Workspace Patch 1.0
#P org.eclipse.update.core
Index: src/org/eclipse/update/internal/core/JarDeltaInstallHandler.java
===================================================================
RCS file: /home/eclipse/org.eclipse.update.core/src/org/eclipse/update/internal/core/JarDeltaInstallHandler.java,v
retrieving revision 1.1
diff -u -r1.1 JarDeltaInstallHandler.java
--- src/org/eclipse/update/internal/core/JarDeltaInstallHandler.java	15 Nov 2005 06:01:07 -0000	1.1
+++ src/org/eclipse/update/internal/core/JarDeltaInstallHandler.java	20 Apr 2006 21:25:32 -0000
@@ -18,7 +18,6 @@
 import java.io.InputStream;
 import java.net.URI;
 import java.net.URISyntaxException;
-import java.nio.channels.FileChannel;
 import java.util.Date;
 import java.util.Enumeration;
 import java.util.jar.JarFile;
@@ -90,15 +89,42 @@
 			newJarFile.delete();
 			
 			newJarFile.createNewFile();
-			
-			FileChannel in = new FileInputStream(tempFile).getChannel();
-			FileChannel out = new FileOutputStream(newJarFile).getChannel();
-			in.transferTo( 0, in.size(), out);
-			
-			in.close();
-			out.close();
+
+			copyFile(tempFile, newJarFile);
 	}
 	
+	public static void copyFile(File src, File dst) throws IOException {
+		try {
+			NioHelper.copyFile(src, dst);
+			return;
+		} catch (IOException e) {
+			throw e;
+		} catch (NoSuchMethodError e1) {
+			// fall through
+		} catch (NoClassDefFoundError e2) {
+			// fall through
+		} catch (Exception e3) {
+			// fall through
+		}
+		
+		FileInputStream in=null;
+		FileOutputStream out=null;
+		try {
+			in = new FileInputStream(src);
+			out = new FileOutputStream(dst);		
+			byte[] buffer = new byte[4096];
+			int len;
+			while ((len=in.read(buffer)) != -1) {
+				out.write(buffer, 0, len);
+			}
+		} finally {
+			if (in != null)
+				in.close();
+			if (out != null)
+				out.close();
+		}
+	}
+
 	public static void addToJar(JarOutputStream jos, JarFile jf) throws IOException {
 		Enumeration e = jf.entries();
 		
Index: src/org/eclipse/update/internal/core/NioHelper.java
===================================================================
RCS file: src/org/eclipse/update/internal/core/NioHelper.java
diff -N src/org/eclipse/update/internal/core/NioHelper.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ src/org/eclipse/update/internal/core/NioHelper.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,41 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 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
+ *******************************************************************************/
+
+package org.eclipse.update.internal.core;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.channels.FileChannel;
+
+
+public class NioHelper {
+	// This method must be in a seperate class file otherwise a NIO class not found error
+	//  will be thrown loading the calling class.  We put it in it's own class so the
+	//  caller can catch the error/exception.
+	static void copyFile(File src, File dst) throws IOException {
+		FileChannel in = null;
+		FileChannel out = null; 
+		
+		try {
+			in = new FileInputStream(src).getChannel();
+			out = new FileOutputStream(dst).getChannel();
+			in.transferTo( 0, in.size(), out);
+		} finally {
+			if (in != null)
+				in.close();
+			if (out != null) 
+				out.close();
+		}
+	}
+
+
+}