--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/macosx/native/apple/applescript/NS_Java_ConversionUtils.m	Tue Mar 06 20:34:38 2012 +0000
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#import "NS_Java_ConversionUtils.h"
+
+#import <Cocoa/Cocoa.h>
+
+
+@interface JavaAppleScriptBaseConverter : NSObject <JNFTypeCoercion>
+@end
+
+@interface JavaAppleScriptImageConverter : NSObject <JNFTypeCoercion>
+@end
+
+@interface JavaAppleScriptVersionConverter : NSObject <JNFTypeCoercion>
+@end
+
+@interface JavaAppleScriptNullConverter : NSObject <JNFTypeCoercion>
+@end
+
+
+@implementation JavaAppleScriptEngineCoercion
+
+static JNFTypeCoercer *appleScriptCoercer = nil;
+
++ (JNFTypeCoercer *) coercer {
+    if (appleScriptCoercer) return appleScriptCoercer;
+
+    id asSpecificCoercions = [[JNFDefaultCoercions defaultCoercer] deriveCoercer];
+    [asSpecificCoercions addCoercion:[[[JavaAppleScriptImageConverter alloc] init] autorelease] forNSClass:[NSImage class] javaClass:@"java/awt/Image"];
+    [asSpecificCoercions addCoercion:[[[JavaAppleScriptVersionConverter alloc] init] autorelease] forNSClass:[NSAppleEventDescriptor class] javaClass:nil];
+    [asSpecificCoercions addCoercion:[[[JavaAppleScriptNullConverter alloc] init] autorelease] forNSClass:[NSNull class] javaClass:nil];
+
+    return appleScriptCoercer = [asSpecificCoercions retain];
+}
+
+@end
+
+
+// [NSObject description] <-> java.lang.Object.toString()
+@implementation JavaAppleScriptBaseConverter
+
+// by default, bizzare NSObjects will have -description called on them, and passed back to Java like that
+- (jobject) coerceNSObject:(id)obj withEnv:(JNIEnv *)env usingCoercer:(JNFTypeCoercion *)coercer {
+    return JNFNSToJavaString(env, [obj description]);
+}
+
+// by default, bizzare Java objects will be toString()'d and passed to AppleScript like that
+- (id) coerceJavaObject:(jobject)obj withEnv:(JNIEnv *)env usingCoercer:(JNFTypeCoercion *)coercer {
+    return JNFObjectToString(env, obj);
+}
+
+@end
+
+
+// NSImage <-> apple.awt.CImage
+@implementation JavaAppleScriptImageConverter
+
+static JNF_CLASS_CACHE(jc_CImage, "apple/awt/CImage");
+static JNF_STATIC_MEMBER_CACHE(jm_CImage_getCreator, jc_CImage, "getCreator", "()Lapple/awt/CImage$Creator;");
+static JNF_MEMBER_CACHE(jm_CImage_getNSImage, jc_CImage, "getNSImage", "()J");
+
+static JNF_CLASS_CACHE(jc_CImage_Generator, "apple/awt/CImage$Creator");
+static JNF_MEMBER_CACHE(jm_CImage_Generator_createImageFromPtr, jc_CImage_Generator, "createImage", "(J)Ljava/awt/image/BufferedImage;");
+static JNF_MEMBER_CACHE(jm_CImage_Generator_createImageFromImg, jc_CImage_Generator, "createImage", "(Ljava/awt/Image;)Lapple/awt/CImage;");
+
+- (jobject) coerceNSObject:(id)obj withEnv:(JNIEnv *)env usingCoercer:(JNFTypeCoercion *)coercer {
+    NSImage *img = (NSImage *)obj;
+    CFRetain(img);
+    jobject creator = JNFCallStaticObjectMethod(env, jm_CImage_getCreator);
+    jobject jobj = JNFCallObjectMethod(env, creator, jm_CImage_Generator_createImageFromPtr, ptr_to_jlong(img));
+    return jobj;
+}
+
+- (id) coerceJavaObject:(jobject)obj withEnv:(JNIEnv *)env usingCoercer:(JNFTypeCoercion *)coercer {
+    jobject cimage = obj;
+    if (!JNFIsInstanceOf(env, obj, &jc_CImage)) {
+        jobject creator = JNFCallStaticObjectMethod(env, jm_CImage_getCreator);
+        cimage = JNFCallObjectMethod(env, creator, jm_CImage_Generator_createImageFromImg, obj);
+    }
+
+    jlong nsImagePtr = JNFCallLongMethod(env, cimage, jm_CImage_getNSImage);
+
+    NSImage *img = (NSImage *)jlong_to_ptr(nsImagePtr);
+    return [[img retain] autorelease];
+}
+
+@end
+
+
+// NSAppleEventDescriptor('vers') -> java.lang.String
+@implementation JavaAppleScriptVersionConverter
+
+- (jobject) coerceNSObject:(id)obj withEnv:(JNIEnv *)env usingCoercer:(JNFTypeCoercion *)coercer {
+    NSAppleEventDescriptor *desc = (NSAppleEventDescriptor *)obj;
+
+    const AEDesc *aeDesc = [desc aeDesc];
+    if (aeDesc->descriptorType == typeNull) {
+        return NULL;
+    }
+
+    return JNFNSToJavaString(env, [obj description]);
+}
+
+- (id) coerceJavaObject:(jobject)obj withEnv:(JNIEnv *)env usingCoercer:(JNFTypeCoercion *)coercer {
+    return nil; // there is no Java object that represents a "version"
+}
+
+@end
+
+
+// NSNull <-> null
+@implementation JavaAppleScriptNullConverter
+
+- (jobject) coerceNSObject:(id)obj withEnv:(JNIEnv *)env usingCoercer:(JNFTypeCoercion *)coercer {
+    return NULL;
+}
+
+- (id) coerceJavaObject:(jobject)obj withEnv:(JNIEnv *)env usingCoercer:(JNFTypeCoercion *)coercer {
+    return nil;
+}
+
+@end