--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxws/src/share/jaxws_classes/com/sun/codemodel/internal/util/UnicodeEscapeWriter.java	Tue Mar 06 16:09:35 2012 -0800
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 1997, 2010, 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.
+ */
+
+package com.sun.codemodel.internal.util;
+
+import java.io.FilterWriter;
+import java.io.IOException;
+import java.io.Writer;
+
+/**
+ * {@link Writer} that escapes non US-ASCII characters into
+ * Java Unicode escape \\uXXXX.
+ *
+ * This process is necessary if the method names or field names
+ * contain non US-ASCII characters.
+ *
+ * @author
+ *      Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
+ */
+public class UnicodeEscapeWriter extends FilterWriter {
+
+    public UnicodeEscapeWriter( Writer next ) {
+        super(next);
+    }
+
+    public final void write(int ch) throws IOException {
+        if(!requireEscaping(ch))  out.write(ch);
+        else {
+            // need to escape
+            out.write("\\u");
+            String s = Integer.toHexString(ch);
+            for( int i=s.length(); i<4; i++ )
+                out.write('0');
+            out.write(s);
+        }
+    }
+
+    /**
+     * Can be overrided. Return true if the character
+     * needs to be escaped.
+     */
+    protected boolean requireEscaping(int ch) {
+        if(ch>=128)     return true;
+
+        // control characters
+        if( ch<0x20 && " \t\r\n".indexOf(ch)==-1 )  return true;
+
+        return false;
+    }
+
+    public final void write(char[] buf, int off, int len) throws IOException {
+        for( int i=0; i<len; i++ )
+            write(buf[off+i]);
+    }
+
+    public final void write(char[] buf) throws IOException {
+        write(buf,0,buf.length);
+    }
+
+    public final void write(String buf, int off, int len) throws IOException {
+        write( buf.toCharArray(), off, len );
+    }
+
+    public final void write(String buf) throws IOException {
+        write( buf.toCharArray(), 0, buf.length() );
+    }
+
+}