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From jmsn...@apache.org
Subject svn commit: r419720 [2/5] - in /incubator/abdera/java/trunk/build: ./ tools/ tools/retroweaver/ tools/retroweaver/docs/ tools/retroweaver/docs/guide/ tools/retroweaver/docs/images/ tools/retroweaver/lib/ tools/retroweaver/release/ tools/retroweaver/src...
Date Thu, 06 Jul 2006 22:08:33 GMT
Added: incubator/abdera/java/trunk/build/tools/retroweaver/docs/guide/retroweaver-guide.html
URL: http://svn.apache.org/viewvc/incubator/abdera/java/trunk/build/tools/retroweaver/docs/guide/retroweaver-guide.html?rev=419720&view=auto
==============================================================================
--- incubator/abdera/java/trunk/build/tools/retroweaver/docs/guide/retroweaver-guide.html (added)
+++ incubator/abdera/java/trunk/build/tools/retroweaver/docs/guide/retroweaver-guide.html Thu Jul  6 15:08:30 2006
@@ -0,0 +1,862 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<HTML>
+<HEAD>
+	<META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=windows-1252">
+	<TITLE></TITLE>
+	<META NAME="GENERATOR" CONTENT="OpenOffice.org 2.0  (Win32)">
+	<META NAME="CREATED" CONTENT="20040324;13083000">
+	<META NAME="CHANGEDBY" CONTENT="Xavier Le Vourch">
+	<META NAME="CHANGED" CONTENT="20060408;16483274">
+	<META NAME="SDENDNOTE" CONTENT="ARABIC">
+	<STYLE>
+	<!--
+		@page { size: 8.5in 11in; margin-left: 1.25in; margin-right: 1.25in; margin-top: 1in; margin-bottom: 1in }
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+		H1.western { font-family: "Arial", sans-serif; font-size: 16pt }
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+		H4.cjk { font-family: "MS Mincho"; font-size: 11pt; font-style: italic }
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+		TD P { margin-bottom: 0.08in }
+		TH P { margin-bottom: 0.08in }
+	-->
+	</STYLE>
+</HEAD>
+<BODY LANG="en-US" DIR="LTR">
+<H1 CLASS="western" ALIGN=CENTER></H1>
+<H1 CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=5 STYLE="font-size: 20pt">Retroweaver
+&ndash; A Developer's Guide</FONT></FONT></H1>
+<P ALIGN=LEFT>    <FONT FACE="Verdana, sans-serif">Gotta Get Back In
+Time</FONT></P>
+<P ALIGN=RIGHT><IMG SRC="retroweaver-guide.jpg" NAME="graphics1" ALIGN=LEFT WIDTH=240 HEIGHT=320 BORDER=0><BR CLEAR=LEFT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><BR><BR>
+</P>
+<P ALIGN=RIGHT><FONT FACE="Verdana, sans-serif">Toby Reyelts</FONT></P>
+<P ALIGN=RIGHT><FONT FACE="Verdana, sans-serif">10/2004</FONT></P>
+<H2 CLASS="western" ALIGN=LEFT STYLE="background: transparent; page-break-before: always">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4 STYLE="font-size: 16pt"><B>Chapter
+1: Getting Started</B></FONT></FONT></H2>
+<P ALIGN=CENTER><BR><BR>
+</P>
+<H3 CLASS="western" STYLE="background: #e6e6e6; font-style: normal; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>Downloading Retroweaver</FONT></FONT></H3>
+<P><FONT FACE="Verdana, sans-serif">If you haven't done so already,
+you should download the latest version of Retroweaver and its
+associated documentation from <A HREF="http://retroweaver.sf.net/">http://retroweaver.sf.net</A>.</FONT></P>
+<P><BR><BR>
+</P>
+<H4 CLASS="western" STYLE="background: #e6e6e6; font-style: normal; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>The Fine Print</FONT></FONT></H4>
+<P><FONT FACE="Verdana, sans-serif">Before you begin using
+Retroweaver, you might like to have your well-paid lawyers review the
+BSD-style license for use. (NB: There's nothing really fine about
+fine print.)</FONT></P>
+<P><BR><BR>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">Copyright
+(c) February 2004, Toby Reyelts</FONT></FONT></P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">All
+rights reserved.</FONT></FONT></P>
+<P><BR><BR>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">Redistribution
+and use in source and binary forms, with or without modification, </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">are
+permitted provided that the following conditions are met:</FONT></FONT></P>
+<P><BR><BR>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">Redistributions
+of source code must retain the above copyright notice, </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">this
+list of conditions and the following disclaimer. </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">Redistributions
+in binary form must reproduce the above copyright notice, </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">this
+list of conditions and the following disclaimer in the documentation </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">and/or
+other materials provided with the distribution. </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">Neither
+the name of Toby Reyelts nor the names of his contributors </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">may
+be used to endorse or promote products derived from this software </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">without
+specific prior written permission. </FONT></FONT>
+</P>
+<P><BR><BR>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">THIS
+SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS
+IS&quot; </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+</FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+</FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">OR
+TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+THE USE OF </FONT></FONT>
+</P>
+<P><FONT FACE="Verdana, sans-serif"><FONT SIZE=1 STYLE="font-size: 8pt">THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</FONT></FONT></P>
+<P><BR><BR>
+</P>
+<P STYLE="font-style: normal; font-weight: medium"><BR><BR>
+</P>
+<H4 CLASS="western" STYLE="background: #e6e6e6; font-style: normal; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>Installation</FONT></FONT></H4>
+<P STYLE="background: transparent; font-style: normal; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Once you've downloaded
+retroweaver-&lt;version&gt;.zip, you can unzip the contents to your
+favorite folder. When you've finished that process, you'll be
+presented with the following set of folders:</FONT></FONT></P>
+<UL>
+	<LI><P STYLE="background: transparent; font-style: normal; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>docs &ndash; All of
+	the documentation for Retroweaver (including the Developer's Guide
+	you're reading right now).</FONT></FONT></P>
+	<LI><P STYLE="background: transparent"><FONT FACE="Verdana, sans-serif">lib
+	&ndash; Third party libraries that Retroweaver needs in order to
+	perform the bytecode weaving. These libraries are only required
+	during weaving, not deployment, of your application.</FONT></P>
+	<LI><P STYLE="background: transparent"><FONT FACE="Verdana, sans-serif">release
+	&ndash; Contains the Retroweaver runtime library, 
+	retroweaver-rt<SPAN STYLE="font-weight: medium"><SPAN STYLE="font-style: normal"><FONT SIZE=3>-&lt;version&gt;</FONT></SPAN></SPAN>.jar,
+	which you must deploy with your application. Contains the full
+	Retroweaver application, retroweaver<SPAN STYLE="font-weight: medium"><SPAN STYLE="font-style: normal"><FONT SIZE=3>-&lt;version&gt;</FONT></SPAN></SPAN>.jar,
+	which you use to weave your application or start the Retroweaver
+	graphical interface. Also contains retroweaver-all<SPAN STYLE="font-weight: medium"><SPAN STYLE="font-style: normal"><FONT SIZE=3>-&lt;version&gt;</FONT></SPAN></SPAN>.jar
+	which includes all Retroweaver classes along with the required
+	libraries. </FONT>
+	</P>
+	<LI><P STYLE="background: transparent"><FONT FACE="Verdana, sans-serif">src
+	&ndash; All of the Java source code for both the bytecode weaver and
+	the runtime library. Feel free to browse through here and send some
+	advice my way.</FONT></P>
+	<LI><P STYLE="background: transparent"><FONT FACE="Verdana, sans-serif">src/com/rc/retroweaver/tests
+	&ndash; The source for a suite of test cases that get executed
+	against Retroweaver. If you're not sure that Retroweaver can handle
+	a particular construct or condition, write a test case. If you're so
+	inclined, send it my way. I'd love to include it in Retroweaver's
+	test suite.</FONT></P>
+	<LI><P STYLE="background: transparent"><FONT FACE="Verdana, sans-serif">release/retroweaver-tests-&lt;version&gt;.jar
+	&ndash; The compiled and retroweaved classes from the test suite.
+	You can run these to give yourself warm fuzzies about Retroweaver's
+	behavior.</FONT></P>
+</UL>
+<P STYLE="margin-left: 0.98in; background: transparent"><BR><BR>
+</P>
+<H2 CLASS="western" ALIGN=LEFT STYLE="background: transparent; page-break-before: always">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4 STYLE="font-size: 16pt"><B>Chapter
+2: An Overview</B></FONT></FONT></H2>
+<H3 CLASS="western" STYLE="background: transparent; font-weight: medium">
+</H3>
+<H3 CLASS="western" STYLE="background: #e6e6e6; font-weight: medium"><FONT FACE="Verdana, sans-serif">Why
+Retroweaver?</FONT></H3>
+<P><FONT FACE="Verdana, sans-serif">Sun has just released their
+latest and greatest version of the Java developer's kit &ndash; JDK
+1.5. There is something that really differentiates this version from
+earlier releases, though &ndash; new language features. </FONT>
+</P>
+<P><BR><BR>
+</P>
+<P><FONT FACE="Verdana, sans-serif">JDK 1.5 has new support for
+generics, autoboxing, static imports, enums, extended for loops,
+annotations, and varargs. The Java language has just undergone its
+largest change ever, and if you're anything like me, you want to take
+advantage of all of these new wonderful enhancements. Unfortunately,
+if you're anything like me, you also have some problems that are
+likely to get in your way:</FONT></P>
+<P><BR><BR>
+</P>
+<UL>
+	<LI><P><FONT FACE="Verdana, sans-serif">JDK 1.5 is a new product,
+	and you or your manager may not be very fond of relying on untested
+	virtual machines.</FONT></P>
+</UL>
+<UL>
+	<LI><P><FONT FACE="Verdana, sans-serif">Your product may rely on
+	other 3<SUP>rd</SUP> party products that aren't supported on 1.5
+	(persistence engines, ui frameworks, and application servers are
+	common examples).</FONT></P>
+</UL>
+<UL>
+	<LI><P><FONT FACE="Verdana, sans-serif">Your clients may not be able
+	to install the latest version of the JVM &ndash; a typical scenario
+	for companies that deploy applets or applications via WebStart.</FONT></P>
+</UL>
+<P><BR><BR>
+</P>
+<P><FONT FACE="Verdana, sans-serif">Retroweaver is  a solution to all
+of these problems. Retroweaver enables you to develop your product
+using the new 1.5 Java language, while retaining binary compatibility
+with previous VMs &ndash; all the way back to JDK 1.2.</FONT></P>
+<P><BR><BR>
+</P>
+<H3 CLASS="western" STYLE="background: transparent; font-weight: medium; page-break-before: always">
+</H3>
+<H3 CLASS="western" STYLE="background: #e6e6e6; font-weight: medium"><FONT FACE="Verdana, sans-serif">Using
+Retroweaver</FONT></H3>
+<P STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif">If
+you've bothered to read this far, you're probably interested in
+learning how to use Retroweaver with your own product. The process is
+surprisingly easy.</FONT></P>
+<OL>
+	<LI><P STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif">Download
+	and install JDK 1.5. (Seriously &ndash; it's very tough to develop
+	Java programs without a Java compiler).</FONT></P>
+	<LI><P STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif">Write
+	your source code using all of those new powerful language features
+	that you love in 1.5.</FONT></P>
+	<LI><P STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif">Compile
+	your code and run Retroweaver against the class files. You can run
+	Retroweaver in a few different ways.</FONT></P>
+</OL>
+<UL>
+	<LI><P STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif">Use
+	the graphical interface. Just double-click on the executable jar
+	file, retroweaver-&lt;version&gt;.jar, or execute java -jar
+	release/retroweaver-&lt;version&gt;.jar. This is a good way to start
+	getting used to Retroweaver.</FONT></P>
+</UL>
+<UL>
+	<LI><P STYLE="background: transparent"><SPAN STYLE="font-weight: medium"><FONT FACE="Verdana, sans-serif">Run
+	Retroweaver from the command line. That looks like:<BR><BR></FONT></SPAN><FONT SIZE=2><FONT FACE="Courier">java
+	-cp
+	release\retroweaver-&lt;version&gt;.jar;lib\asm-2.2.jar;lib\asm-commons-2.2.jar
+	com.rc.retroweaver.Weaver -source classes</FONT></FONT></P>
+	<P STYLE="background: transparent"><FONT FACE="Courier"><FONT SIZE=2>or
+	when weaving a jar file:</FONT></FONT></P>
+	<P STYLE="background: transparent"><FONT FACE="Courier"><FONT SIZE=2>java
+	-cp
+	release\retroweaver-&lt;version&gt;.jar;lib\asm-2.2.jar;lib\asm-commons-2.2.jar
+	com.rc.retroweaver.Weaver -jar input.jar output.jar</FONT></FONT></P>
+	<LI><P STYLE="background: transparent; font-weight: medium; line-height: 100%; page-break-inside: avoid; page-break-before: auto; page-break-after: auto">
+	<FONT FACE="Verdana, sans-serif">Add Retroweaver to your build
+	script. This is the best way to integrate Retroweaver into your day
+	to day development cycle. Retroweaver comes with a built-in Ant task
+	&ndash; com.rc.retroweaver.ant.RetroWeaverTask. See the Appendix for
+	details.</FONT></P>
+	<LI><P STYLE="background: transparent; font-weight: medium; line-height: 100%">
+	<FONT FACE="Verdana, sans-serif">Weave classes on the fly at runtime
+	with WeaveRunner, a custom ClassLoader weaving classes at runtime:</FONT></P>
+	<P STYLE="background: transparent; font-weight: medium; line-height: 100%">
+	<FONT FACE="Courier"><FONT SIZE=2>java -cp
+	release\retroweaver-all-&lt;version&gt;.jar
+	com.rc.retroweaver.WeaveRunner -cp &lt;application class path&gt;
+	&lt;Main Class&gt; &lt;arguments&gt;</FONT></FONT></P>
+</UL>
+<P STYLE="margin-left: 0.49in; background: transparent; font-weight: medium; line-height: 100%; page-break-inside: avoid; page-break-before: auto; page-break-after: auto">
+     
+</P>
+<OL START=4>
+	<LI><P STYLE="background: transparent; font-weight: medium; line-height: 100%; page-break-inside: avoid">
+	<FONT FACE="Verdana, sans-serif">Deploy your application, including
+	the Retroweaver runtime library, retroweaver-rt.jar.</FONT></P>
+</OL>
+<P STYLE="background: transparent; line-height: 100%; page-break-inside: avoid">
+<BR><BR>
+</P>
+<H2 CLASS="western" ALIGN=LEFT STYLE="background: transparent; page-break-before: always">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4 STYLE="font-size: 16pt"><B>Chapter
+3: Reference Verification</B></FONT></FONT></H2>
+<P ALIGN=LEFT STYLE="background: transparent"><BR><BR>
+</P>
+<H3 CLASS="western" ALIGN=LEFT STYLE="background: #e6e6e6; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>Excuse Me?</FONT></FONT></H3>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3>While
+cross-compiling your code to another virtual machine, you need to
+make sure you don't reference runtime code that doesn't exist in your
+target VM. Prior to JDK 1.5, this was most easily achieved by using
+the switch -Xbootclasspath/p, and pointing it to the rt.jar of your
+target VM. The java compiler would complain if you referenced
+classes, methods, or fields that didn't exist in the target VM. For
+lack of a better name, we'll call this process, <I>reference
+verification</I>.</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<H3 CLASS="western" ALIGN=LEFT STYLE="background: #e6e6e6; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>Now What?</FONT></FONT></H3>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3>The
+bad news is that, due to the nature of Retroweaver, it is not
+possible to use the bootclasspath switch to perform reference
+verification in conjunction with Retroweaver. The good news is that
+Retroweaver comes with its own reference verifier. Retroweaver's
+reference verifier will warn you if any of your code references a
+class, method, or field that it can't find in your target VM. To turn
+on Retroweaver's reference verifier, specify the -verifyrefs switch.
+You'll have to pass the classpath that contains your target JDK's
+rt.jar, Retroweaver's runtime library, and all of the classes that
+your application uses. For example,</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="margin-left: 0.49in; background: transparent; font-weight: medium">
+<BR><BR>
+</P>
+<P ALIGN=LEFT STYLE="margin-left: 0.49in; background: transparent; font-weight: medium">
+<FONT FACE="Courier"><FONT SIZE=2>java -cp
+release\retroweaver-&lt;version&gt;.jar;lib\asm-2.2.jar;lib\asm-commons-2.2.jar
+com.rc.retroweaver.Weaver -source classes -verifyrefs
+c:\java\jdk1.4\lib\rt.jar;release\retroweaver-rt-&lt;version&gt;.jar;compiled-classes;lib\lib1.jar;lib\lib2.jar</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3>When
+Retroweaver encounters a reference to a class/method/field that can't
+be located on the classpath specified with -verifyrefs, it issues a
+warning, so you can locate and correct the issue.</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<H2 CLASS="western" ALIGN=LEFT STYLE="background: transparent; page-break-before: always">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4 STYLE="font-size: 16pt"><B>Chapter
+4: The Dirty Details</B></FONT></FONT></H2>
+<P ALIGN=LEFT STYLE="background: transparent"><BR><BR>
+</P>
+<H3 CLASS="western" ALIGN=LEFT STYLE="background: #e6e6e6; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>Why This Chapter?</FONT></FONT></H3>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Since
+Retroweaver functions by bytecode enhancement, it operates
+more-or-less, like a black box. This section strives to assuage any
+concerns that people may have about this technique, by explaining the
+underlying pinnings of Retroweaver, while avoiding the tediousness of
+reviewing the entire source code base.</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<H3 CLASS="western" ALIGN=LEFT STYLE="background: #e6e6e6; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>Why Bytecode
+Enhancement?</FONT></FONT></H3>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3>There
+were a set of design approaches available to achieving Retroweaver's
+end goal &ndash; 1.5 source code running on an earlier virtual
+machine. The top approaches, aside from bytecode enhancement, were:</FONT></FONT></P>
+<UL>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Generate 1.4 source
+	code from 1.5 source code.<BR><BR>While this approach sounds nice,
+	it's simply infeasible. It's just not possible to generate 1.4
+	source code, for all possible language constructs in 1.5. Sun's
+	compiler team has confirmed this, itself.<BR></FONT></FONT><BR><BR>
+	</P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Develop a 1.5 compiler
+	that can target 1.4.<BR><BR>This is definitely a valid approach. In
+	fact, given all the time in the world, this is probably the best
+	approach. The primary problem, here, is that developing a 1.5
+	compiler is a significantly complex task &ndash; much moreso than
+	just the development of Retroweaver. For example, to date, there are
+	still significant bugs in Sun's own 1.5 compiler. Eventually, I
+	believe we will see compilers for 1.5, that also support -target
+	1.4. Until then, there is Retroweaver.</FONT></FONT></P>
+</UL>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<H3 CLASS="western" ALIGN=LEFT STYLE="background: #e6e6e6; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>Step By Step</FONT></FONT></H3>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3>The
+changes that Retroweaver makes to class files, can be roughly divided
+into two categories &ndash; format changes and runtime changes. </FONT></FONT>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Format
+changes are changes which are required due to specification updates
+in the JVM. They include:</FONT></FONT></P>
+<OL>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Replacement of &ldquo;+&rdquo;
+	characters with &ldquo;$&rdquo; characters in identifiers. <BR><BR>The
+	new JDK 1.5 specification has relaxed the rules concerning Java
+	language identifiers, to allow &ldquo;+&rdquo; characters.
+	Retroweaver replaces the &ldquo;+&rdquo; characters with &ldquo;$&rdquo;
+	characters, which are legal in earlier virtual machines. Retroweaver
+	also renames class files which have &ldquo;+&rdquo; characters in
+	their names.<BR></FONT></FONT><BR><BR>
+	</P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Replacement of LDC and
+	LDC_W instructions which have a CONSTANT_Class target. <BR><BR>In
+	JDK 1.5, these two instructions have been updated to work on class
+	literals, for example, String.class. Prior to JDK 1.5, a
+	programmer's use of a class literal resulted in the compiler
+	generation of a method to execute a Class.forName. Retroweaver
+	preserves the older behavior. <BR></FONT></FONT><BR><BR>
+	</P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Replacement of
+	Synthetic access specifiers with Synthetic attributes.<BR><BR>In JDK
+	1.5, Synthetic access specifiers were introduced to replace
+	Synthetic attributes and reduce the size of class files. Retroweaver
+	reverses the operation by replacing Synthetic access specifiers with
+	Synthetic attributes.<BR></FONT></FONT><BR><BR>
+	</P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Removal of JDK 1.5 bit
+	assignments from access specifiers.<BR><BR>The JVM specification
+	(second edition) states that unassigned bits of the access
+	specifiers for classes, methods, and fields should be set to 0 by
+	compilers and bytecode generators. It also states that JVMs must
+	ignore those bits, but to be perfectly compliant, Retroweaver resets
+	them to 0.</FONT></FONT></P>
+</OL>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Runtime
+changes are changes which are required due to the addition of new
+classes to the JDK runtime library. They include:<BR></FONT></FONT><BR><BR>
+</P>
+<OL>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3><SPAN LANG="en-US">Replacement</SPAN>
+	of calls to StringBuilder with StringBuffer. <BR><BR>StringBuilder
+	is a new class introduced into 1.5 as an unsynchronized version of
+	StringBuffer that maintains the same interface as StringBuffer. The
+	JDK 1.5 compiler generates calls to StringBuilder, when you use the
+	&ldquo;+&rdquo; operator on Strings. Retroweaver replaces those
+	calls to StringBuilder, with calls to StringBuffer. <BR></FONT></FONT><BR><BR>
+	</P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Replacement of calls
+	to &lt;PrimitiveWrapper&gt;.valueOf( &lt;primitive&gt; )
+	methods.<BR><BR>In JDK 1.5, the new autoboxing specification
+	prompted the introduction of new valueOf() methods to the primitive
+	wrapper classes, for example, Long.valueOf( long ). These methods
+	facilitate autoboxing, not only by boxing a primitive value, but by
+	supporting other features of the autoboxing specification (i.e.
+	mandated/optional caching behavior). Retroweaver replaces calls to
+	these methods with calls to its own runtime library, which
+	implements autoboxing according to the specification.<BR></FONT></FONT><BR><BR>
+	</P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Replacement of
+	references to java.lang.Enum.<BR><BR>The new support for first class
+	enumerations in JDK 1.5 requires a base enum class, java.lang.Enum.
+	Retroweaver replaces references to java.lang.Enum with
+	com.rc.retroweaver.runtime.Enum_, which is primarily a clone of
+	java.lang.Enum. This means that enum values are made subclasses of
+	Enum_, and methods which would operate on Enum, operate on Enum_,
+	instead. Enum_ implements the enum behavior specified in the
+	enumeration specification, including guaranteed singleton behavior,
+	even in the face of serialization.<BR></FONT></FONT><BR><BR>
+	</P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Replacement of
+	references to java.lang.Iterable.<BR><BR>The new extended for loop
+	syntax in JDK 1.5 required a new interface, java.lang.Iterable.
+	Retroweaver replaces references to java.lang.Iterable with its own
+	runtime class, com.rc.retroweaver.runtime.Iterable_. This allows
+	developers to continue to use the extended for loop and to even
+	create implementations of Iterable, as they would with JDK 1.5.<BR></FONT></FONT><BR><BR>
+	</P>
+</OL>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<H3 CLASS="western" ALIGN=LEFT STYLE="background: #e6e6e6; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>Other Features</FONT></FONT></H3>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">&ldquo;<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Wait,&rdquo;,
+you say, &ldquo;I thought Retroweaver also supports static imports,
+varargs, and generics, but I saw no mention of them, here.&rdquo;<BR><BR>It
+is true that Retroweaver does support these features, it's just that
+these features require no special support from Retroweaver. <BR><BR>The
+new static import language feature is just a compiler directive. It
+has no effect whatsoever on generated class files. <BR><BR>The new
+varargs language feature introduces a new access specifier, but that
+access specifier is used only by JDK 1.5 compilers and ignored by
+earlier compilers. Vararg methods will appear as vararg under 1.5,
+while appearing with array arguments under previous compilers, as you
+would expect. For example,</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=3><BR><FONT FACE="Courier, monospace">public
+void foo( String... ) {</FONT></FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Courier, monospace"><FONT SIZE=3>}
+</FONT></FONT>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3>would
+appear as</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Courier, monospace"><FONT SIZE=3>public
+void foo( String[] ) {</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3><FONT FACE="Courier, monospace">}<BR></FONT><BR></FONT></FONT><BR><BR>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3>The
+addition of generics requires a new Signature attribute, which,
+again, is only used by JDK 1.5 compilers and ignored by earlier
+compilers. Generic methods appear generic under 1.5, but appear as
+their type-erased equivalents under previous compilers. For example,</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Courier, monospace"><FONT SIZE=3>public
+class Foo&lt;T extends Comparable&gt; {</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"> 
+<FONT FACE="Courier, monospace"><FONT SIZE=3>public void foo( T t ) {</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"> 
+<FONT FACE="Courier, monospace"><FONT SIZE=3>}</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Courier, monospace"><FONT SIZE=3>}</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3>would
+appear as </FONT></FONT>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Courier, monospace"><FONT SIZE=3>public
+class Foo {</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"> 
+<FONT FACE="Courier, monospace"><FONT SIZE=3>public void foo(
+Comparable t ) {</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"> 
+<FONT FACE="Courier, monospace"><FONT SIZE=3>}</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Courier, monospace"><FONT SIZE=3>}</FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<H2 CLASS="western" ALIGN=LEFT STYLE="background: transparent; page-break-before: always">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4 STYLE="font-size: 16pt"><B>Chapter
+5: Pitfall Harry</B></FONT></FONT></H2>
+<P ALIGN=LEFT STYLE="background: transparent"><BR><BR>
+</P>
+<H3 CLASS="western" ALIGN=LEFT STYLE="background: #e6e6e6; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>Frequently Asked
+Questions</FONT></FONT></H3>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<UL>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Why am I getting a
+	NoClassDefFoundError/ClassNotFoundException?<BR><BR>It depends. <BR><BR>Is
+	it for a class that is in com.rc.retroweaver.runtime? You should
+	make sure you're including retroweaver-rt-&lt;version&gt;.jar in
+	your application class path.<BR><BR>Is it for one of the JDK
+	classes? If you're using a class that is new to JDK 1.5, stop.
+	Retroweaver has support for a few special classes (java.lang.Enum,
+	java.lang.Iterable, and java.lang.StringBuilder), but that's it. You
+	can't use any other classes that are new to JDK 1.5. You can turn on
+	the -verifyrefs option on Retroweaver to receive warnings when you
+	reference classes, fields, or methods that don't exist in the VM
+	that you are targetting.<BR></FONT></FONT><BR><BR>
+	</P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Why am I getting a
+	NoSuchMethodException/Error or a NoSuchFieldException/Error?<BR><BR>Most
+	likely, you're using a class that did exist prior to JDK 1.5, but a
+	new method/field for that class that didn't exist prior to JDK 1.5.
+	You can't use new JDK 1.5 classes/methods/fields in an earlier JVM.
+	You can turn on the -verifyref option on Retroweaver to receive
+	warnings when you reference classes, fields, or methods that don't
+	exist in the VM that you are targetting.<BR></FONT></FONT><BR><BR>
+	</P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>How does serialization
+	for enums work?<BR><BR>The new enum specification requires changes
+	to the serialization specification, which are outside of the reach
+	of Retroweaver. This means that serialization of enums behaves
+	correctly, but differently, between 1.5 and earlier VMs. In other
+	words, you can't just naively exchange enums between 1.5 and earlier
+	VMs via serialization.<BR></FONT></FONT><BR><BR>
+	</P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium; page-break-inside: avoid; page-break-before: auto">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Why do I get a
+	java.lang.IncompatibleClassChangeError?<BR><BR>Does it happen when
+	you are using an Iterable? Currently, Retroweaver is unable to
+	handle an assignment of a JDK 1.5 class that implements
+	java.lang.Iterable to a java.lang.Iterable reference. See the test
+	case, ItTest.java for more details. You can workaround this problem
+	by wrapping the reference to the JDK 1.5 class in your own Iterable
+	adapter.</FONT></FONT></P>
+	<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><FONT FACE="Verdana, sans-serif"><FONT SIZE=3><BR><BR></FONT></FONT><BR><BR>
+	</P>
+</UL>
+<H2 CLASS="western" ALIGN=LEFT STYLE="background: transparent; page-break-before: always">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4 STYLE="font-size: 16pt"><B>Chapter
+6: <SPAN LANG="en-US">Appendix</SPAN></B></FONT></FONT></H2>
+<H3 CLASS="western" ALIGN=LEFT STYLE="background: #e6e6e6; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>Ant Task Documentation</FONT></FONT></H3>
+<H2 CLASS="western" ALIGN=LEFT STYLE="background: transparent">Description</H2>
+<P><FONT FACE="Verdana, sans-serif">com.rc.retroweaver.ant.RetroWeaverTask</FONT></P>
+<P><FONT FACE="Verdana, sans-serif">Runs Retroweaver on a directory
+or set of directories to convert classes produced by a JDK 1.5
+compliant compiler to a class file format supported by older JVM's.</FONT></P>
+<H3 CLASS="western"><FONT FACE="Verdana, sans-serif">Parameters</FONT></H3>
+<TABLE WIDTH=576 BORDER=1 CELLPADDING=2 CELLSPACING=0>
+	<COL WIDTH=121>
+	<COL WIDTH=291>
+	<COL WIDTH=150>
+	<TR>
+		<TH WIDTH=121 BGCOLOR="#e6e6e6">
+			<P><FONT FACE="Verdana, sans-serif">Attribute</FONT></P>
+		</TH>
+		<TH WIDTH=291 BGCOLOR="#e6e6e6">
+			<P ALIGN=LEFT><FONT FACE="Verdana, sans-serif">Description</FONT></P>
+		</TH>
+		<TH WIDTH=150 BGCOLOR="#e6e6e6">
+			<P><FONT FACE="Verdana, sans-serif">Required</FONT></P>
+		</TH>
+	</TR>
+	<TR>
+		<TD WIDTH=121>
+			<P><FONT FACE="Verdana, sans-serif">srcdir</FONT></P>
+		</TD>
+		<TD WIDTH=291>
+			<P><FONT FACE="Verdana, sans-serif">The directory containing
+			classes to process.</FONT></P>
+		</TD>
+		<TD WIDTH=150>
+			<P><FONT FACE="Verdana, sans-serif">One of either <I>srcdir,
+			inputjar</I> or a nested fileset element.</FONT></P>
+		</TD>
+	</TR>
+	<TR>
+		<TD WIDTH=121>
+			<P><FONT FACE="Verdana, sans-serif">destdir</FONT></P>
+		</TD>
+		<TD WIDTH=291>
+			<P><FONT FACE="Verdana, sans-serif">The destination directory for
+			the processed classes.</FONT></P>
+		</TD>
+		<TD WIDTH=150>
+			<P><FONT FACE="Verdana, sans-serif">No. If not specified, the
+			processed classes overwrite the source classes.</FONT></P>
+		</TD>
+	</TR>
+	<TR>
+		<TD WIDTH=121>
+			<P><FONT FACE="Verdana, sans-serif">inputjar</FONT></P>
+		</TD>
+		<TD WIDTH=291>
+			<P><FONT FACE="Verdana, sans-serif">The jar file to proces.</FONT></P>
+		</TD>
+		<TD WIDTH=150>
+			<P><FONT FACE="Verdana, sans-serif">One of either <I>srcdir,
+			inputjar</I> or a nested fileset element.</FONT></P>
+		</TD>
+	</TR>
+	<TR>
+		<TD WIDTH=121>
+			<P><FONT FACE="Verdana, sans-serif">outputjar</FONT></P>
+		</TD>
+		<TD WIDTH=291>
+			<P><FONT FACE="Verdana, sans-serif">The jar file for the processed
+			classes.</FONT></P>
+		</TD>
+		<TD WIDTH=150>
+			<P><FONT FACE="Verdana, sans-serif">Yes if inputjar is specified.</FONT></P>
+		</TD>
+	</TR>
+	<TR>
+		<TD WIDTH=121>
+			<P><FONT FACE="Verdana, sans-serif">classpath</FONT></P>
+		</TD>
+		<TD WIDTH=291>
+			<P><FONT FACE="Verdana, sans-serif">The classpath for reference
+			verification. For example,
+			retroweaver-rt<SPAN STYLE="font-weight: medium"><FONT SIZE=3>-&lt;version&gt;</FONT></SPAN>.jar;c:\java\jdk1.4\lib\rt.jar;my-classes</FONT></P>
+		</TD>
+		<TD WIDTH=150>
+			<P><FONT FACE="Verdana, sans-serif">No. If not specified,
+			Retroweaver will not verify references.</FONT></P>
+		</TD>
+	</TR>
+	<TR>
+		<TD WIDTH=121>
+			<P><FONT FACE="Verdana, sans-serif">verify</FONT></P>
+		</TD>
+		<TD WIDTH=291>
+			<P><FONT FACE="Verdana, sans-serif">Indicates whether the verifier
+			should be called. Note that the verifier is skipped if c<I>lasspath
+			</I><SPAN STYLE="font-style: normal">is not defined.</SPAN></FONT></P>
+		</TD>
+		<TD WIDTH=150>
+			<P><FONT FACE="Verdana, sans-serif">No. Defaults to true.</FONT></P>
+		</TD>
+	</TR>
+	<TR>
+		<TD WIDTH=121>
+			<P><FONT FACE="Verdana, sans-serif">target</FONT></P>
+		</TD>
+		<TD WIDTH=291>
+			<P><FONT FACE="Verdana, sans-serif">The target version as either
+			&quot;1.2&quot;, &quot;1.3&quot;, or &quot;1.4&quot;.</FONT></P>
+		</TD>
+		<TD WIDTH=150>
+			<P><FONT FACE="Verdana, sans-serif">No. Defaults to &quot;1.4&quot;.</FONT></P>
+		</TD>
+	</TR>
+	<TR>
+		<TD WIDTH=121>
+			<P><FONT FACE="Verdana, sans-serif">stripSignatures</FONT></P>
+		</TD>
+		<TD WIDTH=291>
+			<P><FONT FACE="Verdana, sans-serif">Indicates whether the generic
+			signatures should be stripped.<BR></FONT><BR>
+			</P>
+		</TD>
+		<TD WIDTH=150>
+			<P><FONT FACE="Verdana, sans-serif">No. Defaults to false.</FONT></P>
+		</TD>
+	</TR>
+	<TR>
+		<TD WIDTH=121>
+			<P><FONT FACE="Verdana, sans-serif">lazy</FONT></P>
+		</TD>
+		<TD WIDTH=291>
+			<P><FONT FACE="Verdana, sans-serif">Indicates if classes that
+			already have the target version should be skipped. If the
+			destination directory is different from the source directory, such
+			classes are copied to the destination with preserved timestamp.</FONT></P>
+		</TD>
+		<TD WIDTH=150>
+			<P><FONT FACE="Verdana, sans-serif">No. Defaults to true.</FONT></P>
+		</TD>
+	</TR>
+	<TR>
+		<TD WIDTH=121>
+			<P><FONT FACE="Verdana, sans-serif">failonerror</FONT></P>
+		</TD>
+		<TD WIDTH=291>
+			<P><FONT FACE="Verdana, sans-serif">Indicates if the build should
+			fail if an error occurs while processing classes. If false, a
+			warning is logged but the build continues.</FONT></P>
+		</TD>
+		<TD WIDTH=150>
+			<P><FONT FACE="Verdana, sans-serif">No. Defaults to true.</FONT></P>
+		</TD>
+	</TR>
+	<TR>
+		<TD WIDTH=121>
+			<P><FONT FACE="Verdana, sans-serif">verbose</FONT></P>
+		</TD>
+		<TD WIDTH=291>
+			<P><FONT FACE="Verdana, sans-serif">Indicates if the names of
+			processed files should be logged.</FONT></P>
+		</TD>
+		<TD WIDTH=150>
+			<P><FONT FACE="Verdana, sans-serif">No. Defaults to false.</FONT></P>
+		</TD>
+	</TR>
+</TABLE>
+<H3 CLASS="western"><FONT FACE="Verdana, sans-serif">Parameters
+specified as nested elements</FONT></H3>
+<H4 CLASS="western"><FONT FACE="Verdana, sans-serif">fileset</FONT></H4>
+<P><FONT FACE="Verdana, sans-serif">One ore more filesets can be
+specified instead of (or in addition to) the <I>srcdir</I> attribute.
+Make sure that the fileset only includes class files.</FONT></P>
+<H3 CLASS="western"><FONT FACE="Verdana, sans-serif">Examples</FONT></H3>
+<H4 CLASS="western"><FONT FACE="Verdana, sans-serif">Declare the
+Retroweaver class. The example assumes that the property
+&quot;retroweaver.home&quot; points to the RetroWeaver installation.</FONT></H4>
+<PRE>  &lt;taskdef name=&quot;retroweaver&quot; classname=&quot;com.rc.retroweaver.ant.RetroWeaverTask&quot;&gt;
+    &lt;classpath&gt;
+      &lt;fileset dir=&quot;${retroweaver.home}/lib&quot; includes=&quot;**/*&quot;/&gt;
+      &lt;pathelement location=&quot;${retroweaver.home}/release/retroweaver-&lt;version&gt;.jar&quot;/&gt;
+    &lt;/classpath&gt;
+  &lt;/taskdef&gt;</PRE><H4 CLASS="western">
+Convert a set of classes in a single directory to JDK 1.4 compatible
+format.</H4>
+<PRE>  &lt;target name=&quot;weave&quot; depends=&quot;compile&quot;&gt;
+    &lt;retroweaver srcdir=&quot;classes&quot;/&gt;
+  &lt;/target&gt;</PRE><H4 CLASS="western">
+Convert a set of classes, using a fileset, to JDK 1.3 compatible
+format in another directory.</H4>
+<PRE>  &lt;target name=&quot;weave&quot; depends=&quot;compile&quot;&gt;
+    &lt;mkdir dir=&quot;classes-13&quot;/&gt;
+    &lt;retroweaver destdir=&quot;classes-13&quot; version=&quot;1.3&quot;&gt;
+      &lt;fileset dir=&quot;classes&quot;&gt;
+        &lt;include name=&quot;**/*.class&quot;/&gt;
+      &lt;/fileset&gt;
+    &lt;/retroweaver&gt;
+  &lt;/target&gt;</PRE><P STYLE="margin-bottom: 0in">
+<BR>
+</P>
+<P STYLE="margin-bottom: 0in; page-break-before: always"><FONT FACE="Verdana, sans-serif"><FONT SIZE=4 STYLE="font-size: 16pt"><B>Chapter
+6: <SPAN LANG="en-US">Acknowledgments</SPAN></B></FONT></FONT></P>
+<P ALIGN=LEFT STYLE="background: transparent"><BR><BR>
+</P>
+<H3 CLASS="western" ALIGN=LEFT STYLE="background: #e6e6e6; font-weight: medium">
+<FONT FACE="Verdana, sans-serif"><FONT SIZE=4>Thanks Go To</FONT></FONT></H3>
+<P ALIGN=LEFT STYLE="background: transparent; font-weight: medium"><BR><BR>
+</P>
+<UL>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>My wife, who
+	continually puts up with my pursuit of all things arcane.</FONT></FONT></P>
+</UL>
+<UL>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Neal Gafter, who was
+	responsible for providing most of the information that made
+	Retroweaver possible. </FONT></FONT>
+	</P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Sean Shubin, who has
+	donated some usability improvements to Retroweaver.</FONT></FONT></P>
+	<LI><P ALIGN=LEFT STYLE="background: transparent; font-weight: medium">
+	<FONT FACE="Verdana, sans-serif"><FONT SIZE=3>Gunnar Grim, who has
+	donated the Ant task.</FONT></FONT></P>
+</UL>
+<UL>
+	<P ALIGN=LEFT STYLE="background: transparent"></P>
+</UL>
+</BODY>
+</HTML>
\ No newline at end of file

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+++ incubator/abdera/java/trunk/build/tools/retroweaver/docs/index.html Thu Jul  6 15:08:30 2006
@@ -0,0 +1,96 @@
+<html>
+
+<head>
+  <title>Retroweaver</title>
+  <style type="text/css">
+    <!--body         { margin: 0; padding: 0 } -->
+  </style>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="0" leftmargin="0">
+
+<div align="center">
+<center>
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+  <tr>
+    <td width="100%" background="images/sliver.jpg"><font face="Arial">
+        <map name="FPMap0">
+          <area href="index.html" coords="300, 75, 357, 94" shape="rect">
+          <area href="news.html" coords="352, 75, 425, 94" shape="rect">
+          <area href="overview.html" coords="425, 75, 520, 94" shape="rect">
+          <area href="documentation.html" coords="520, 75, 630, 93" shape="rect">
+        </map>
+        <img border="0" src="images/seascape.gif" usemap="#FPMap0" width="756" height="133"></font>
+    </td>
+  </tr>
+</table>
+</center>
+</div>
+
+<div align="center">
+<center>
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+  <tr>
+
+    <td width="175" valign="top" background="images/menubg.gif">
+      <font size="2" face="Arial"><img border="0" src="images/headerbitty.gif" width="175" height="64"></font>
+      <p style="margin-left: 20; margin-right: 20"><b><font size="2" face="Arial">Use Generics In 1.4!<br></font></b>
+      <br>
+      <font size="2" face="Arial">
+        Retroweaver supports most 1.5 features while running on 1.4.
+      </font></p>
+      <p style="margin-left: 20; margin-right: 20"><b><font size="2" face="Arial">Develop With 1.5 And Deploy With 1.4!<br></font></b>
+      <br>
+      <font size="2" face="Arial">
+        Transparent bytecode enhancement allows you to develop against 1.5 and seamlessly deploy on 1.4.
+      </font>
+    </td>
+
+    <td>
+      <font size="2" face="Arial"><br><b>Retroweaver: Use the language of the future, now.</b></font>
+      <blockquote>
+      <font size="2" face="Arial">
+        <p>Are you a Java developer who's excited about the new JDK 1.5 language features? Does your heart race when you think about generics and parametric polymorphism? Do extended for loops make you feel warm and fuzzy inside? Do thoughts of autoboxing and static imports permeate your dreams?<p>
+
+      <p>Then let me welcome you to Retroweaver. Retroweaver is a bytecode weaver that enables you to take advantage of the
+      new Java 1.5 language features, while still retaining total binary compatability with 1.4 virtual machines. 
+      Retroweaver operates by transforming Java class files compiled by a 1.5 compiler into version 1.4 class files 
+      which can then be run on any 1.4 virtual machine. </p>
+
+      <p>So, when your favorite vendor tells you that their application server won't be supporting JDK 1.5 until 2007, or your customers won't have JDK 1.5 for years to come, or your manager refuses to begin development on a beta JDK, put Retroweaver to work for you.</p>
+
+      </font>
+
+      <p><font size="2" face="Arial"><a href="http://sourceforge.net/project/showfiles.php?group_id=104240">Download the latest version of Retroweaver now</a></p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      </blockquote>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p align="right"><A href="http://sourceforge.net"> <IMG src="http://sourceforge.net/sflogo.php?group_id=104240&amp;type=5" width="210" height="62" border="0" alt="SourceForge.net Logo"/></A>&nbsp;&nbsp;</p>
+      <p>&nbsp;</p>
+    </td>
+  </tr>
+</table>
+</center>
+</div>
+
+<div align="center">
+<center>
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+<tr>
+<td width="100%" bgcolor="#3999E7">
+<p align="center"><font face="Arial"><font size="2">&nbsp;</font><font size="1">Site design by <a href="http://www.pegaweb.com"><b><font color="#000000">Pegasus Web Design Resources</font></b></a></font></font></td>
+</tr>
+</table>
+</center>
+</div>
+
+<p>&nbsp;</p>
+
+</body>
+
+</html>

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@@ -0,0 +1,102 @@
+<html>
+
+<head>
+  <title>Retroweaver</title>
+  <style type="text/css">
+    <!--body         { margin: 0; padding: 0 } -->
+  </style>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="0" leftmargin="0">
+
+<div align="center">
+<center>
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+  <tr>
+    <td width="100%" background="images/sliver.jpg"><font face="Arial">
+        <map name="FPMap0">
+          <area href="index.html" coords="300, 75, 357, 94" shape="rect">
+          <area href="news.html" coords="352, 75, 425, 94" shape="rect">
+          <area href="overview.html" coords="425, 75, 520, 94" shape="rect">
+          <area href="documentation.html" coords="520, 75, 630, 93" shape="rect">
+        </map>
+        <img border="0" src="images/seascape.gif" usemap="#FPMap0" width="756" height="133"></font>
+    </td>
+  </tr>
+</table>
+</center>
+</div>
+
+<div align="center">
+<center>
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+  <tr>
+
+    <td width="175" valign="top" background="images/menubg.gif">
+      <font size="2" face="Arial"><img border="0" src="images/headerbitty.gif" width="175" height="64"></font>
+    </td>
+
+    <td>
+      <font size="2" face="Arial"><br><b>News</b></font>
+      <ul>
+        <li>
+	<p><font size="2" face="Arial"><b>2/26/2006</b> - Retroweaver 1.2 Released. This marks the merging of retroweaver-ng back into the official project.</p>
+		<p>Changes include: bug fixes, patches, new architecture for byte code generation, new options to weave jar files and WeaveRunner, a new ClassLoader to weave classes at runtime. See the Changelog for details.</font></p>
+	</li>
+        <li>
+        <p><font size="2" face="Arial"><b>1/19/2005</b> - Retroweaver 1.1 Released. This is primarily a new feature release, with support for reference verification, an ant task, and a separate runtime jar.</font></p>
+        </li>
+        <li>
+        <p><font size="2" face="Arial"><b>10/12/2004</b> - Retroweaver 1.0 FCS Released. This is the final 1.0 release of Retroweaver coinciding with the JDK 1.5 FCS release.</font></p>
+        </li>
+        <li>
+        <p><font size="2" face="Arial"><b>3/24/2004</b> - Retroweaver 1.0 RC5 Released. This is a bug fix release.</font></p>
+        </li>
+        <li>
+        <p><font size="2" face="Arial"><b>3/22/2004</b> - Retroweaver 1.0 RC4 Released. This release contains more support for optimization of autoboxing and new support for java.lang.Iterable and java.lang.Enum.</font></p>
+        </li>
+        <li>
+        <p><font size="2" face="Arial"><b>3/17/2004</b> - Retroweaver 1.0 RC3 Released - Release Candidate 3 of Retroweaver Version 1 has just been released.</font></p>
+        </li>
+        <li>
+        <p><font size="2" face="Arial"><b>3/10/2004</b> - Retroweaver 1.0 RC1 Released - Release Candidate 1 of Retroweaver Version 1 has just been released. This first initial release contains support for all JDK1.5 features aside from enumerations and annotations.</font></p>
+        </li>
+      </ul>
+
+      <p><font size="2" face="Arial"><a href="http://sourceforge.net/project/showfiles.php?group_id=104240">Download the latest version of Retroweaver now</a></p>
+
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p align="right"><A href="http://sourceforge.net"> <IMG src="http://sourceforge.net/sflogo.php?group_id=104240&amp;type=5" width="210" height="62" border="0" alt="SourceForge.net Logo"/></A>&nbsp;&nbsp;</p>
+      <p>&nbsp;</p>
+    </td>
+  </tr>
+</table>
+</center>
+</div>
+
+<div align="center">
+<center>
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+<tr>
+<td width="100%" bgcolor="#3999E7">
+<p align="center"><font face="Arial"><font size="2">&nbsp;</font><font size="1">Site design by <a href="http://www.pegaweb.com"><b><font color="#000000">Pegasus Web Design Resources</font></b></a></font></font></td>
+</tr>
+</table>
+</center>
+</div>
+
+<p>&nbsp;</p>
+
+</body>
+
+</html>

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@@ -0,0 +1,121 @@
+<html>
+
+<head>
+  <title>Retroweaver Overview</title>
+  <style type="text/css">
+    <!--body         { margin: 0; padding: 0 } -->
+  </style>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="0" leftmargin="0">
+
+<div align="center">
+<center>
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+  <tr>
+    <td width="100%" background="images/sliver.jpg"><font face="Arial">
+        <map name="FPMap0">
+          <area href="index.html" coords="300, 75, 357, 94" shape="rect">
+          <area href="news.html" coords="352, 75, 425, 94" shape="rect">
+          <area href="overview.html" coords="425, 75, 520, 94" shape="rect">
+          <area href="documentation.html" coords="520, 75, 630, 93" shape="rect">
+        </map>
+        <img border="0" src="images/seascape.gif" usemap="#FPMap0" width="756" height="133"></font>
+    </td>
+  </tr>
+</table>
+</center>
+</div>
+
+<div align="center">
+<center>
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+  <tr>
+
+    <td width="175" valign="top" background="images/menubg.gif">
+      <font size="2" face="Arial"><img border="0" src="images/headerbitty.gif" width="175" height="64"></font>
+    </td>
+
+    <td>
+      <font size="2" face="Arial"><br><b>Overview</b></font>
+      <ul>
+      <font size="2" face="Arial">
+        <li>
+          What is Retroweaver?
+          <p> Retroweaver is a tool that enables you to take advantage of the new Java 1.5 language features in your source code, while still retaining compatability with 1.4 (and older) virtual machines. Retroweaver operates by transforming Java class files compiled by a 1.5 compiler into class files which can be run on an older virtual machine.</p>
+        </li>
+
+        <li>
+        What platforms does the Retroweaver run on? 
+        <p>Any platform Java runs on.</p>
+        </li>
+
+        <li>
+        Where can I get Retroweaver?
+        <p>Retroweaver can be downloaded at <a href="http://sf.net/projects/retroweaver">http://sf.net/projects/retroweaver</a></p>
+        </li>
+
+        <li>
+        How much does Retroweaver cost?
+        <p>Retroweaver is a free, open-source product. The license for use is BSD-derived. The small print follows:</p>
+<pre>
+Copyright (c) February 2004, Toby Reyelts
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, 
+are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, 
+this list of conditions and the following disclaimer. 
+Redistributions in binary form must reproduce the above copyright notice, 
+this list of conditions and the following disclaimer in the documentation 
+and/or other materials provided with the distribution. 
+Neither the name of Toby Reyelts nor the names of his contributors 
+may be used to endorse or promote products derived from this software 
+without specific prior written permission. 
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
+GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+</pre>
+        </li>
+
+        <li>
+        Who can I ask questions of or give comments or feedback to?
+        <p>Tools for the Retroweaver user community are hosted at <a href="http://sf.net/projects/retroweaver">SourceForge</a>. If you go there you can browse through or post to the forums, join the mailing list, or even submit bugs or feature requests. On the other hand, you can just chat with the architect and primary author of Retroweaver, <a href="mailto:toby@reyelts.com">Toby Reyelts</a>, directly.</p>
+        </li>
+      </ul>
+      </font>
+
+      <p>&nbsp;</p>
+      <p>&nbsp;</p>
+      <p align="right"><A href="http://sourceforge.net"> <IMG src="http://sourceforge.net/sflogo.php?group_id=104240&amp;type=5" width="210" height="62" border="0" alt="SourceForge.net Logo"/></A>&nbsp;&nbsp;</p>
+      <p>&nbsp;</p>
+  </tr>
+</table>
+</center>
+</div>
+
+<div align="center">
+<center>
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+<tr>
+<td width="100%" bgcolor="#3999E7">
+<p align="center"><font face="Arial"><font size="2">&nbsp;</font><font size="1">Site design by <a href="http://www.pegaweb.com"><b><font color="#000000">Pegasus Web Design Resources</font></b></a></font></font></td>
+</tr>
+</table>
+</center>
+</div>
+
+<p>&nbsp;</p>
+
+</body>
+
+</html>

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Added: incubator/abdera/java/trunk/build/tools/retroweaver/src/com/rc/retroweaver/NameTranslator.java
URL: http://svn.apache.org/viewvc/incubator/abdera/java/trunk/build/tools/retroweaver/src/com/rc/retroweaver/NameTranslator.java?rev=419720&view=auto
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--- incubator/abdera/java/trunk/build/tools/retroweaver/src/com/rc/retroweaver/NameTranslator.java (added)
+++ incubator/abdera/java/trunk/build/tools/retroweaver/src/com/rc/retroweaver/NameTranslator.java Thu Jul  6 15:08:30 2006
@@ -0,0 +1,222 @@
+package com.rc.retroweaver;
+
+import java.util.HashMap;
+
+import org.objectweb.asm.ClassAdapter;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.FieldVisitor;
+import org.objectweb.asm.Label;
+import org.objectweb.asm.MethodAdapter;
+import org.objectweb.asm.MethodVisitor;
+
+/**
+ * Helper class for translating special class names into their retroweaver
+ * runtime or concurrent backport equivalent.
+ */
+
+public class NameTranslator {
+
+	private static final String BACKPORT_CONCURRENT_PREFIX = "edu/emory/mathcs/backport/";
+	private static final String CONCURRENT_PREFIX = "java/util/concurrent/";
+
+    private NameTranslator() {}
+
+	private static HashMap<String, String> translations = new HashMap<String, String>();
+
+    static {
+		translations.put("java/lang/StringBuilder",
+					"java/lang/StringBuffer");
+
+		translations.put("java/lang/Iterable",
+				"com/rc/retroweaver/runtime/Iterable_");
+		translations.put("java/lang/Enum", "com/rc/retroweaver/runtime/Enum_");
+	}
+
+	/**
+	 * Translate an id or a method signature into its retroweaver runtime or
+	 * concurrent backport equivalent.
+	 * 
+	 * @param name The <code>String</code> to translate.
+	 * @return the translated name.
+	 */
+	protected static String translate(String name) {
+		if (name == null)
+			return null;
+
+		StringBuffer sb = new StringBuffer();
+		translate(name, sb, 0, name.length());
+
+		return sb.toString();
+	}
+
+	private static String translateName(String name) {
+		if (name.startsWith(CONCURRENT_PREFIX))
+			return BACKPORT_CONCURRENT_PREFIX + name;
+
+		String newName = translations.get(name);
+
+		if (newName != null)
+			return newName;
+
+		return name;
+	}
+
+	private static void translate(String in, StringBuffer out, int start, int end) {
+		if (start >= end)
+			return;
+
+		char firstChar = in.charAt(start);
+
+		switch (firstChar) {
+		case 'Z': // boolean
+		case 'B': // byte
+		case 'C': // char
+		case 'S': // short
+		case 'I': // int
+		case 'J': // long
+		case 'F': // float
+		case 'D': // double
+		case '[': // type[]
+		case 'V': // void
+			out.append(firstChar);
+			translate(in, out, start + 1, end);
+			break;
+		case 'L': // L fully-qualified-class;
+			int endName = in.indexOf(';', start + 1);
+			if (endName == -1) {
+				// false positive: it's an id, translate the entire string
+				String name = in.substring(start, end);
+				String newName = translateName(name);
+				out.append(newName);
+			} else {
+				String className = in.substring(start + 1, endName);
+				String newClassName = translateName(className);
+
+				out.append('L').append(newClassName).append(';');
+				translate(in, out, endName + 1, end);
+			}
+			break;
+		case '(': // ( arg-types ) ret-type
+			int endArgs = in.indexOf(')', start + 1);
+			if (endArgs == -1)
+				throw new RetroWeaverException(
+						"Class name parsing error: missing ')' in " + in);
+
+			out.append('(');
+			if (endArgs != start + 1)
+				translate(in, out, start + 1, endArgs);
+			out.append(')');
+			translate(in, out, endArgs + 1, end);
+			break;
+		default:
+			// translate the entire string
+			String name = in.substring(start, end);
+			String newName = translateName(name);
+			out.append(newName);
+		}
+	}
+}
+
+class NameTranslatorClassVisitor extends ClassAdapter {
+
+    public NameTranslatorClassVisitor(final ClassVisitor cv) {
+        super(cv);
+	}
+
+	// Class Visitor methods
+
+    public void visit(
+        final int version,
+        final int access,
+        final String name,
+        final String signature,
+        final String superName,
+        final String[] interfaces)
+    { 
+		// Change the super class name if necessary
+		String newSuperName = NameTranslator.translate(superName);
+		String newInterfaces[] = new String[interfaces.length];
+		for(int i = 0; i < interfaces.length; i++)
+			newInterfaces[i] = NameTranslator.translate(interfaces[i]);
+
+        super.visit(version, access, name, signature, newSuperName, newInterfaces);
+    }
+
+    public FieldVisitor visitField(
+        final int access,
+        final String name,
+        final String desc,
+        final String signature,
+        final Object value)
+    {
+        return super.visitField(access,
+        			name,
+        			NameTranslator.translate(desc),
+                    NameTranslator.translate(signature),
+                    value);
+    }
+
+    public MethodVisitor visitMethod(
+        final int access,
+        final String name,
+        final String desc,
+        final String signature,
+        final String[] exceptions)
+    {
+		return new MethodTranslator(super.visitMethod(access,
+				name,
+				NameTranslator.translate(desc),
+                NameTranslator.translate(signature),
+                exceptions));
+    }
+
+	private class MethodTranslator extends MethodAdapter {
+		MethodTranslator(MethodVisitor mv) {
+			super(mv);
+		}
+
+	    public void visitTypeInsn(final int opcode, final String desc) {
+	        super.visitTypeInsn(opcode, NameTranslator.translate(desc));
+	    }
+
+	    public void visitFieldInsn(
+	        final int opcode,
+	        final String owner,
+	        final String name,
+	        final String desc)
+	    {
+	    	super.visitFieldInsn(opcode, NameTranslator.translate(owner), name, NameTranslator.translate(desc));
+	    }
+
+	    public void visitMethodInsn(
+	        final int opcode,
+	        final String owner,
+	        final String name,
+	        final String desc)
+	    {
+	        super.visitMethodInsn(opcode, NameTranslator.translate(owner), name, NameTranslator.translate(desc));
+	    }
+
+	    public void visitTryCatchBlock(
+	        final Label start,
+	        final Label end,
+	        final Label handler,
+	        final String type)
+	    {
+	    	super.visitTryCatchBlock(start, end, handler, NameTranslator.translate(type));
+	    }
+
+	    public void visitLocalVariable(
+	        final String name,
+	        final String desc,
+	        final String signature,
+	        final Label start,
+	        final Label end,
+	        final int index)
+	    {
+	        super.visitLocalVariable(name, NameTranslator.translate(desc), NameTranslator.translate(signature), start, end, index);
+	    }
+
+	}
+
+}



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