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dchandler d4f8161d2b At Edward's request, the codebase for Java Web Start releases may now 
be specified on the command line via
'ant -Djnlp.codebase="http://foo.bar/baz"'.

This means that dist/ no longer contains .jnlp files; they are created by Ant
instead.
2002-10-25 11:56:38 +00:00

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<!-- @author David Chandler -->
<!-- @date October 20, 2002 -->
<!-- @editor Emacs, baby! -->
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>THDL Tools Build Systems</title>
</head>
<body>
<h1>THDL Tools Build Systems</h1>
<p>
David Chandler has put together a build system for Jskad, Savant,
QuillDriver, the translation tool, and for the fonts. This document
describes them, and should be updated when we put together build
systems for the two diacritics packages and for Wylie Word.
</p>
<p>
What is a <i>build system</i>, you ask? A build system is a set of
clear, repeatable procedures that software developers go by to
compile, run, test, create documentation, and cut releases. Our
build systems are fully automated, which provides a good basis for
collaborative development.
</p>
<h3>Table of Contents</h3>
<ul>
<li>
<a href="#glossary">Glossary</a>
</li>
<li>
<a href="#whyant">Why we chose Apache Ant</a>
</li>
<li>
<a href="#installant">Installing Apache Ant</a>
</li>
<li>
<a href="#cvs">Setting things up to use CVS</a>
</li>
<li>
<a href="#buildingfonts">Building the <code>Fonts</code>
module</a>
</li>
<li>
<a href="#wwwmodule">Building the <code>www</code>
module</a> -- how to publish on this very web site, that is
</li>
<li>
<a href="#diacriticsmodule">Building the <code>Diacritics</code>
module</a>
</li>
<li>
<a href="#wyliewordmodule">Building the <code>WylieWord</code>
module</a>
</li>
<li>
<a href="#jskadmodule">Building the <code>Jskad</code>
module</a>
<ul>
<li>
<a href="#jskadsetup">Setting things up for your first build
of the <code>Jskad</code> module</a>
</li>
<li>
<a href="#daytoday">Day-to-day development activities
with the <code>Jskad</code> module</a>
<ul>
<li>
<a href="#testingjskad">Testing</a>
</li>
</ul>
</li>
<li>
<a href="#webstart">Why we chose Java Web Start and how it
works</a>
</li>
<li>
<a href="#relwebstart">Cutting a Java Web Start release</a>
</li>
</ul>
</li>
</ul>
<h3>Glossary<a name="glossary"></a></h3>
<p>
This document uses the following terms:
</p>
<ul>
<li>
CVS -- "concurrent versions system", a piece of software used by
SourceForge and many others for source code revision control.
</li>
<li>
WinCVS -- a front end for use on Windows that you can use rather
than the command-line cvs tools.
</li>
<li>
<a name="sandbox">sandbox</a> -- a directory on your local machine
that mirrors one in our project's CVS repository. You get one by
using the command <code>'cvs checkout'</code>. It's called a
sandbox because you can safely play in it; your work will not
affect others until you commit your changes to the repository.
(Though if you really wanted to, you could create a CVS branch and
then even your commits (to that branch) wouldn't affect the work
of others on the trunk, or main branch.)
</li>
<li>
ssh, scp, sftp -- the software that SourceForge uses to allow you
to log in to their server without worrying about the security of
your password of the subsequent communications. ssh logs you in,
scp and sftp allow you to copy files to and from
<code>thdltools.sourceforge.net</code>. Windows users should
either get these tools with Cygwin or should install PuTTY; the
latter is probably easier.
</li>
<li>
Ant -- a.k.a. Apache Ant. Software we use to compile and package
Java programs for distrution.
</li>
</ul>
<h3>Why we chose Apache Ant<a name="whyant"></a></h3>
<p>
Ant is built from the ground up as a full-featured, extensible
build system for Java programs. If you use Ant, your
classpath-related headaches disappear (after clearing initial
hurdles), and you can be sure that the build will work the same on
Linux and the Mac as it does on Windows XP, because Ant itself is
a Java program.
</p>
<p>
Although Ant is for Java programs, it has enough features to make
it a viable choice of build system for non-Java stuff like our
Tibetan Machine Web fonts.
</p>
<h3>Installing Apache Ant<a name="installant"></a></h3>
<p>
To install Apache's Jakarta Ant (or "Apache Ant" or simply "Ant"),
see the <a href="http://jakarta.apache.org/ant/"> Apache Ant</a>
website. Their instructions for installation are pretty good, but
you may have trouble if you're on Windows and you don't know how to
set environment variables (try Control
Panel-&gt;System-&gt;Advanced-&gt;Environment Variables) and the like.
</p>
<p>
To test your installation, use cvs to checkout the
<code>Fonts</code> module. It has a simpler Ant build file
(<code>Fonts/build.xml</code>) than the <code>Jskad</code> module
has, so it's better for testing. Change directory to
<code>Fonts</code> and run the following command:
</p>
<blockquote>
<code>ant clean dist</code>
</blockquote>
<p>
If you have any trouble, see Ant's FAQs and then e-mail David
Chandler.
</p>
<p>
Now that you have a good installation of Ant itself, you may want
to install the <a href="http://www.vamphq.com/ant.html"> Vamp Ant
task</a> provided by the <a href="http://www.vamphq.com/"> Venus
Application Publisher</a>. You need this to cut <a
href="http://java.sun.com/products/javawebstart/"> Java Web
Start</a> releases of Jskad, Savant, QuillDriver, and the
translation tool. You <b>do not</b> need it otherwise.
</p>
<p>
Installing Vamp's Ant task is simple enough, and is in fact simpler
than Vamp's web pages of October 1, 2002 imply. That is, if you
have installed Ant 1.5.1 or later, then you can simply drop
<code>vamp.jar</code> into Ant's <code>lib</code> directory and
forget about changing your classpath.
</p>
<h3>Setting things up to use CVS <a
name="cvs"></a></h3>
<p>
If you're working on Windows, it's probably easiest to follow <a
href="http://sourceforge.net/docman/display_doc.php?docid=766&amp;group_id=1">
SourceForge's instructions</a> on using WinCVS and PuTTY. The
instructions there aren't up to date for the latest version of
WinCVS (1.3b8 as of this writing). Instead of telling WinCVS about
<code>plink.exe</code> in the non-existent <code>Ports</code> tab of
the <code>Admin-&gt;Preferences</code> menu, you must click the
Settings button next to the server type (<code>"ssh"</code>) and
click the <code>'If ssh is not in the path'</code> checkbox, and
enter <code>plink.exe</code>'s full path there.
</p>
<p>
Also note that <a href="http://www.computas.com/pub/wincvs-howto/">
this page</a> is very helpful; it's about how to run WinCVS.
</p>
<p>
If you're using WinCVS 1.3b8, note that it has a bug -- it truncates
the output of <code>'cvs diff'</code> (as explained in <a
href="http://sourceforge.net/tracker/index.php?func=detail&amp;aid=622680&amp;group_id=10072&amp;atid=110072">
this bug report</a>). For that reason, you may wish to use what
WinCVS calls an "external diff" program, which is easy to install
and configure. Try using <a
href="http://www.prestosoft.com/examdiff/examdiff.htm">
ExamDiff</a>.
</p>
<p>
If you're on Linux or Unix, SF.net's site docs are excellent. If
you're on a Mac, and SF.net's docs don't do the trick, you're in
trouble.
</p>
<h3>Building the <code>Fonts</code> module<a
name="buildingfonts"></a></h3>
<p>
The <code>Fonts</code> CVS module comes with an Apache Ant build
system. We made this choice because the <code>Jskad</code> CVS
module already has an Apache Ant build system, and because Ant is
more than powerful enough for our needs. For this module, our only
task is to cut releases. There is nothing to compile here; the only
task that a developer will face is updating the associated
documentation and then cutting a new release, ready to go up on
SourceForge's File Release System (FRS).
</p>
<p>
To cut releases for one or both of the Tibetan Machine Web and
Tibetan Machine, do the following:
</p>
<ol>
<li>
use cvs to checkout the <code>Fonts</code> module. If you have
already checked it out, run <code>'cvs -f update -d'</code> (in
WinCVS, hold down the shift key while selecting "Update" and
then be sure the "Create missing directories that exist in the
repository" box is checked).
</li>
<li>
make whatever changes you need to
</li>
<li>
be certain the the release notes (a text or html file, I
believe) are under CVS control. Perhaps you'll reuse an
existing document, or perhaps you'll have to add a file to the
repository. Go to <a
href="http://sourceforge.net/project/showfiles.php?group_id=61934">
our project's download page</a> and see how we've done release
notes in the past.
</li>
<li>
commit those changes to the repository
</li>
<li>
<a href="#installant">install Apache Ant</a>
</li>
<li>
change directory to <code>Fonts</code> and run the following
command:
<blockquote>
<code>ant</code>
</blockquote>
If you have any problems, be sure you're using the correct
version of Ant and then read Ant's FAQs and documentation. Or
you can e-mail David Chandler. If it turns out that the problem
is in the Ant build file <code>Fonts/build.xml</code>, make the
required changes and be sure to commit them to the repository.
Now run the following command to rebuild the releases:
<blockquote>
<code>ant clean dist</code>
</blockquote>
</li>
<li>
after being sure that your Fonts directory is a mirror of the
one in the repository, use cvs to tag this revision that you
wish to release with a name that another developer, years down
the road, will recognize as referring to this release. To do
this, you can run <code>'cvs -f rtag <i>tag-name</i>
Fonts'</code> or (and this is preferred) you can run <code>'cvs
-f tag -c <i>tag-name</i>'</code>. Good tag names are like the
following:
<ul>
<li>
<code>Fonts_1_0</code> (referring to the 1.0 release of the
Fonts module)
</li>
<li>
<code>September_23_2002_release</code> (referring to the
release of the Fonts module made on September 23, 2002
</li>
</ul>
Note that tagging for a release of just the Tibetan Machine Web
fonts and not the Tibetan Machine fonts is <i>no different</i>
than tagging for a simulaneous release of both.
</li>
<li>
Now that you've tagged this release, it will be possible for any
other developer to recreate the same release. This is the heart
of a good build system -- clear, repeatable procedures that
aren't painful to follow.
</li>
</ol>
<h3>Building the <code>www</code> module<a name="wwwmodule"></a></h3>
<p>
<a href="http://thdltools.sourceforge.net/"> Our SourceForge.net
website</a> is entirely under CVS control. This means that we can
freely make changes, knowing that they are never lost. It also
means that downloading our <a
href="http://cvs.sourceforge.net/cvstarballs/thdltools-cvsroot.tar.gz">
nightly CVS repository tarball</a> is all that is necessary to save
a backup copy of our SF.net web site.
</p>
<p>
To change an existing web page or to add a new one, you must do the
following:
</p>
<ul>
<li>
First use cvs to checkout the <code>www</code> module. If you've
already done that, then please use cvs to update (using <code>'cvs
update -d'</code> if you want to create missing directories that
exist in the repository) now.
</li>
<li>
To add a file or directory, use <code>'cvs add'</code>. Change
any files you wish. Now validate your HTML using W3C's <a
href="http://validator.w3.org/"> validator</a>. Once it passes
with no errors, commit your changes.
</li>
<li>
Now you must update the CVS <a href="#sandbox"> sandbox</a> at
<code>thdltools.sourceforge.net:/home/groups/t/th/thdltools/htdocs</code>.
To do so, use PuTTY or another <code>ssh</code> to log in to
<code>thdltools.sourceforge.net</code>. Now change directory
(<code>cd</code>) to
<code>/home/groups/t/th/thdltools/htdocs</code> and run <code>'cvs
-f update -d -P'</code>. You'll see your changes being made to
the "real" website. Surf to <a
href="http://thdltools.sourceforge.net/"> the website</a> and see
for yourself.
</li>
</ul>
<h4>Updating the parts of the website not in the <code>www</code>
module<a name="updateapidocs"></a></h4>
<p>
Not all of the material up at our SF.net <a
href="http://thdltools.sourceforge.net/"> website</a> is in the
<code>www</code> CVS module, but most of it is. Currently, the only
exception is the <a href="http://thdltools.sourceforge.net/api/">
Javadoc API documentation</a> for Jskad, Savant, QuillDriver, and
the translation tool.
</p>
<p>
Here is how to update these API docs:
</p>
<ul>
<li>
<code>http://thdltools.sourceforge.net/api</code> lives at
<code>/home/groups/t/th/thdltools/htdocs/api</code>. To update
it, first commit any changes you've made to the repository.
(This, combined with the date stamp that Ant puts into our
Javadoc docs, will give other developers enough information to
recover the revision of the source files that you used. But
feel free to <code>'cvs tag'</code> the revision explicitly if
you think it's important.)
</li>
<li>
Now simply run <code>'ant private-javadocs-dist'</code> from the
<code>Jskad</code> directory, which creates
<code>Jskad/dist/docs/private-javadocs-DSTAMP.zip</code>.
Examine the output for warnings; resolve them if necessary.
</li>
<li>
Now <code>scp</code> that file over with the command
<blockquote>
<code>scp dist/docs/private-javadocs-WHATEVER.zip
yourUserId@thdltools.sourceforge.net/home/groups/t/th/thdltools/</code>
</blockquote>
or use PuTTY's <code>scp</code> to do something equivalent.
</li>
<li>
Now, shell in to <code>thdltools.sourceforge.net</code> with
<code>'ssh -l yourUserId thdltools.sourceforge.net'</code> or
with PuTTY.
</li>
<li>
Change directory (<code>cd</code>) to
<code>/home/groups/t/th/thdltools/htdocs/</code>.
</li>
<li>
While you're here, do a <code>'cvs -f update -d -P'</code> --
just in case some developer made changes to the web pages but
forgot to update (don't worry about setting the CVSROOT--cvs is
smart enough to determine everything (but your password)
automatically).
</li>
<li>
Anyway, now run <code>'rm -fr api'</code> (from the
<code>htdocs/</code> directory).
</li>
<li>
Now run <code>'mkdir api'</code>.
</li>
<li>
Now run <code>'cd api'</code>.
</li>
<li>
Now run <code>'unzip
../../private-javadocs-WHATEVER.zip'</code>.
</li>
<li>
See if <code>http://thdltools.sourceforge.net/api/</code> looks
up to date (see the date at the very bottom of the page, for
starters). Also, verify that links to J2SE Javadoc
documentation are functioning -- click on a link to
<code>java.lang.Object</code> and be sure that it works. If
everything is fine, delete
<code>../../private-javadocs-WHATEVER.zip</code> and log out.
</li>
<li>
<b>UPDATE THESE INSTRUCTIONS</b> if something above is wrong or
unclear.
</li>
</ul>
<p>
That's all!
</p>
<h3>Building the <code>Diacritics</code> module<a
name="diacriticsmodule"></a></h3>
<p>
We don't yet have source code in this module. Check back here once
we do.
</p>
<h3>Building the <code>WylieWord</code> module<a
name="wyliewordmodule"></a></h3>
<p>
We don't yet have source code in this module. Check back here once
we do.
</p>
<h3>Building the <code>Jskad</code> module<a name="jskadmodule"></a></h3>
<p>
The following sections describe how to use the Ant build system we
have for the <code>Jskad</code> module.
</p>
<p>
The first thing to note is that the <code>Jskad</code> module is
misnamed. We have all our Java code inside this module, including
Jskad, Savant, QuillDriver, and the translation tool.
</p>
<h4>Setting things up for your first build of the <code>Jskad</code>
module<a name="jskadsetup"></a></h4>
<p>
You'll have to first get your computer set up to use CVS. See <a
href="#cvs">above</a>.
</p>
<p>
The next thing you'll need to do is get a CVS <a
href="#sandbox">sandbox</a> -- a <code>Jskad</code> directory on
your local computer. Use <code>'cvs checkout Jskad'</code> or
WinCVS's "Checkout module" command to do so.
</p>
<p>
Now go get the JARs you need. Be sure to note which versions you
get, because you'll need to mention that in the release notes of any
releases you cut. The following are needed:
</p>
<ul>
<li>
We use <a href="http://xml.apache.org/xalan-j/"> Xalan</a> for
XSLT, and its binary distribution contains JARs for Xalan
<i>and</i> <a href="http://xml.apache.org/xerces2-j/index.html">
Xerces</a> -- handy. You only need to download Xerces' JARs
separately if you need a bug fix from a later release than that
included in Xalan's. After downloading, move
<code>xalan.jar</code>, <code>xercesImpl.jar</code>, and
<code>xml-apis.jar</code> to <code>Jskad/extensions/</code>.
</li>
<li>
We also use <code>jdom.jar</code> from <a href="http://jdom.org/">
JDOM.org</a>.
</li>
<li>
We also use (conditional on the <code>thdl.media.player</code>
option) the <a
href="http://java.sun.com/products/java-media/jmf/"> Java(TM)
Media Framework</a>. After it is installed, either change your
CLASSPATH to include its <code>jmf.jar</code>, or avoid the
classpath hassle by copying <code>jmf.jar</code> to
<code>Jskad/extensions/</code>.
</li>
<li>
We also use (conditional on the <code>thdl.media.player</code>
option) <a href="http://www.apple.com/quicktime/"> QuickTime for
Java</a>. Installing it requires installing QuickTime, selecting
a "Custom" install, and checking the box for QuickTime for Java.
After it is installed, either change your CLASSPATH to include its
<code>QTJava.zip</code>, or avoid the classpath hassle by copying
<code>QTJava.zip</code> to <code>Jskad/extensions/drop-ins</code>.
</li>
</ul>
<p>
If you need to add something else to the classpath, be it a .jar
file, a .zip file, or a directory, you have several options. You
can set your CLASSPATH environment variable, or you can call Ant
using <code>'ant -Dadditional.class.path=c:\my.jar'</code>, or you
can drop JAR or ZIP files into
<code>Jskad/extensions/drop-ins</code>.
</p>
<p>
While you're hacking, use our <a href="api/"> API docs on the
web</a>, or <a href="#makeapidocs"> build your own</a>.
</p>
<h4>Day-to-day development activities with the <code>Jskad</code>
module<a name="daytoday"></a></h4>
<p>
This section describes how our build system interacts with your
daily work hacking on Jskad, Savant, QuillDriver, and the
translation tool.
</p>
<h5>Compiling</h5>
<p>
Compiling any of the tools is a simple matter. First, ensure that
you are in the <code>Jskad/</code> directory of your <a
href="#sandbox">sandbox</a>.
</p>
<p>
Now run <code>'ant <i>program</i>-compile'</code> to create a
directory tree <code>Jskad/bin/<i>program</i>/</code> that contains
all the .class files and needed resources (.ini files, .xsl files,
et cetera).
</p>
<p>
Or you may run <code>'ant <i>program</i>-dist'</code> to create a
JAR file <code>Jskad/dist/lib/<i>program</i>-vanilla.jar</code> that
contains all the .class files and needed resources, but does not
contain any third-party JARs.
</p>
<p>
You may also run <code>'ant <i>program</i>-jws'</code> to create a
Java Web Start release. See <a href="#relwebstart">below</a> to
learn more about this.
</p>
<p>
<b>Gotcha:</b> We currently have the build system set up so that it
builds a program, say Jskad, given merely the name of the main
class, say <code>org.thdl.tib.input.Jskad</code>. This means that
our releases include only classes that we're actually using. But it
also means that your changes to any but the main class will not
cause recompilation. You must use <code>'ant clean'</code> before
recompiling. In addition, you should clean after any cvs update.
</p>
<p>
The alternative to specifying just the main class is specifying
every needed class. If you do this, Ant often rebuilds the correct
classes. But you may have to modify <code>build.xml</code> when you
add a new file, and your releases may include vestigial classes.
</p>
<h5>Running</h5>
<p>
Running the tools is easy for a developer. Just run <code>'ant
<i>program</i>-run'</code>, where <i>program</i> is one of
<code>jskad</code>, <code>tt</code>, <code>savant</code>, or
<code>qd</code>. This deals with classpaths and all of that, and it
compiles beforehand if needed. Note the gotcha above if you're
rerunning after changing the source code -- you'll have to use
<code>'ant clean <i>program</i>-run'</code>. If you modify a
resource, such as <code>Jskad/source/options.txt</code>, there are
no gotchas -- Ant is smart enough to handle this.
</p>
<h5>Generating API Documentation<a name="makeapidocs"></a></h5>
<p>
While you're hacking, use our <a href="api/"> API docs on the
web</a>, or build your own Javadoc API docs using <code>'ant
public-javadocs'</code> (to see only protected and public members)
or <code>'ant private-javadocs'</code> (to see all members).
They'll be waiting for you in
<code>Jskad/docs/{public,private}-javadocs/</code>. If you want to
update the API docs on our website, follow <a
href="#updateapidocs">these instructions</a>.
</p>
<h5>Integration with IDEs such as Eclipse</h5>
<p>
Nowadays, any good Java IDE is aware of Ant and will let you use Ant
for the things it is good at while using the IDE for the things it
is good at. Ask David Chandler how he got Eclipse up and running;
he did it without too much trouble.
</p>
<h5>Testing<a name="testingjskad"></a></h5>
<p>
We will soon use <a href="http://junit.org/"> JUnit</a> to provide
automated unit tests. Running them will be as simple as making Ant
aware of JUnit and then running <code>'ant check'</code>. <!-- DLC
FIXME -->
</p>
<p>
To make testing easy, you should use interfaces rather than
hard-wiring in calls to classes that are difficult to instantiate.
For example, if we were to make use of a database class in our
DuffPane class, doing so directly would mean that the database
software would have to be properly installed and up and running in
order to test DuffPane individually. If you create an interface and
use the database only through that interface, then creating a <a
href="http://mockobjects.com"> mock object</a> that pretends to
be that database but returns canned answers is a simple matter.
</p>
<h5>Modifying <code>Jskad/build.xml</code></h5>
<p>
Should you need to modify the Ant build file
<code>Jskad/build.xml</code>, feel free to ask David Chandler to do
it for you. Or just look at the contents of that file and find
something similar to what you're doing. There are a few comments in
the file, and all commonly used functionality is factored out into
targets that are then summoned via <code>antcall</code> tasks.
</p>
<h4>Why we chose Java Web Start and how it works<a name="webstart"></a></h4>
<p>
<a href="http://java.sun.com/products/javawebstart/"> Java Web
Start</a> makes it possible (in theory, anyway) to install a complex
application like Savant with one mouse click of a link in your
favorite web browser and one more click of a "Yes, install Savant"
button in a dialog box (necessary because our applications require
security privileges to read and write from disk etc.). Upon the
second run of the program, Java Web Start asks the user if they want
to create shortcuts on their computer. Also, any time the program
is invoked (from a shortcut or a web link) and a network connection
is found, new versions of the software will be downloaded
automatically, keeping the user up to date.
</p>
<p>
In addition, the <a href="http://www.vamphq.com/"> Venus Application
Publisher</a> provides a mechanism for creating CD-ROM-based
installers that load our Java Web Start code into the user's Web
Start cache directory. Then running the software will check for
updates as described above. (I don't know if we'll ever use this,
and it's kind of ugly, but it's here.)
</p>
<p>
For the above scenario to play out, the user must have installed a
recent (1.2 or later) Java runtime environment. That's it from the
user's point of view.
</p>
<a name="webstartserver"></a>
<p>
The web server that delivers the content must associate the MIME
type application/x-java-jnlp-file with the "jnlp" extension and must
associate the MIME type application/x-java-archive-diff with the
"jardiff" extension. In addition, if you want to be able to serve
up a new release with the least difficulty (simply dropping a .war
file (a Java Web ARchive) into the appropriate directory on the
server), the server must run a J2EE application server such as
Apache's Tomcat.
</p>
<h4>Cutting a Java Web Start release<a name="relwebstart"></a></h4>
<p>
For the reasons stated above, Java Web Start (JWS) is our
distribution mechanism of choice. But cutting a Java Web Start
release is not the easiest thing you've ever done. For one thing,
because our applications require access to the local disk, they must
ask for security privileges. JWS warns users not to grant such
privileges unless they know the software provider is trustworthy.
Trust depends in turn on identity, and identity is proven by public
key cryptography. So to cut a JWS release, you have to sign your
JARs and rejar and sign any third-party JARs. (If signing JARs is
new to you, the J2SE documentation on the subject is okay, but
hopefully reading below will tell you all you need to know.)
</p>
<p>
First, be sure you've installed Vamp's Ant task as described <a
href="#installant"> above</a>.
</p>
<p>
Second, create the release notes and the changelog. These should be
two different text files. Somewhere in one or both, you should
mention the versions of the third-party JARs and APIs that we have
packaged with our release. <b>Most importantly, put in a link to
the web server on which you're going to put the web start
release!</b> Commit these text files to the repository (adding them
first if necessary).
</p>
<p>
Third, commit any changes you've made to the repository. After
being sure that your <code>Jskad</code> directory is a mirror of the
one in the repository, use cvs to tag this revision that you wish to
release with a name that another developer, years down the road,
will recognize as referring to this release. To do this, you can
run <code>'cvs -f rtag <i>tag-name</i> Jskad'</code> or (and this is
preferred) you can run <code>'cvs -f tag -c <i>tag-name</i>'</code>.
Good tag names are like the following:
</p>
<ul>
<li>
<code>thdl_tools_1_0</code> (referring to the 1.0 release of the
Jskad module)
</li>
<li>
<code>September_23_2002_release</code> (referring to the
release of all programs in Fonts module made on September 23, 2002
</li>
</ul>
<p>
As you may have inferred, we release all four programs when we
release any one of them. This is only a half-truth, though--we
release the unified source distribution any time we release a binary
distribution, but we don't necessarily put out all four binary
distributions in unison.
</p>
<p>
Now run
</p>
<blockquote><code>ant -Dkeystore="file:///c:/thdl/sandboxes/Jskad/your.keystore"<br>
&nbsp;&nbsp;&nbsp;&nbsp;-Dkeystore.password=baz<br>
&nbsp;&nbsp;&nbsp;&nbsp;-Ddgkey.password=foo<br>
&nbsp;&nbsp;&nbsp;&nbsp;-Dkey.alias="Johnny Developer"<br>
&nbsp;&nbsp;&nbsp;&nbsp;-Djnlp.codebase="http://your.web.server/THDL_STUFF"<br>
&nbsp;&nbsp;&nbsp;&nbsp;<i>program</i>-jws'</code>
</blockquote>
<p>
where <i>program</i> is one of <code>jskad</code>, <code>tt</code>,
<code>savant</code>, or <code>qd</code>. This cleans first, so your
changes will be respected. This then creates a WAR file
<code>Jskad/dist/java-web-start/<i>program</i>-JWS.war</code>. This
also extracts the signed JAR from inside that WAR, which is handy if
you're deploying to a web server that isn't running a J2EE
application server. More on that below.
</p>
<p>
The argument to <code>-Dkeystore</code> is a URL like
<code>file:///c:/foo/keystore</code>. This should be a keystore
that you've created with keytool. We haven't yet paid the money to
get a real X.509 key, so create your own. Users will see a nasty
warning saying that we may not be who we say we are, but so be it.
Each key in your key store has an associated alias, such as your
name. Specify it as the argument to <code>-Dkey.alias</code>. The
other two arguments are the password for the keystore as a whole
(<code>-Dkeystore.password</code>) and the password for the specific
key whose alias you're giving.
</p>
<p>
Inspect the output for warnings. Ignore the warning about
<code>"[vampwar]
org.apache.velocity.runtime.exception.ReferenceException: reference
: template = html/test.html [line 37,column 14] : $jnlp-url is not a
valid reference."</code> but fix any others.
</p>
<p>
If you wish to deploy to a J2EE application server, such as Apache's
Tomcat, now copy the <code>.war</code> file to the server. You're
done with the binary part of the release.
</p>
<p>
If you're deploying to a plain-vanilla web server, first ensure that
its MIME type associations are correct (see <a
href="#webstartserver">above</a>). Now ignore the <code>.war</code>
file and copy the appropriate <code>.jnlp</code> file(s) and the
appropriate JAR(s) from <code>Jskad/dist/java-web-start/</code> to
the webserver. Those two files are all you need, and you don't need
to edit the <code>.jnlp</code> file because you specified the
<code>jnlp.codebase</code> property.
</p>
<p>
Now put up a source release on SourceForge's File Release System
(FRS). After ensuring that you've made NOT EVEN ONE CHANGE to your
sandbox, and after updating it, and after verifying that this
revision is cvs-tagged appropriately, use <code>'ant
src-dist'</code> to create
<code>Jskad/source/THDL-Tools-src-<i>todays-date</i>.zip</code>.
Now put this zip file up on the FRS with the appropriate release
notes and changelog (which should have been committed and tagged in
the repository).
</p>
<p>
You're done! <b>Except, of course, for the gotcha:</b> At present,
only the translation tool and Jskad have working Java Web Start
releases; Savant's and QuillDriver's are on the way. Savant and
QuillDriver, like Jskad, requires all-permissions security. That
means that <code>xalan.jar</code>, <code>xercesImpl.jar</code>, and
<code>xml-apis.jar</code> need to be jar-signed by the same
certificate as Savant. We don't yet do this automatically <!-- DLC
FIXME -->, but here's how to do this manually:
</p>
<ol>
<li>unjar these jars.</li>
<li>delete their META-INF directory, which i think contains signature info.</li>
<li>rejar, then sign with appropriate certificate.</li>
</ol>
<p>
Now send an e-mail to <a
href="thdltools-announce@lists.sourceforge.net">
thdltools-announce@lists.sourceforge.net</a> telling users where the
JWS binary release is, where the source code distribution is, and
why they should upgrade or try it out.
</p>
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