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<html>
<head>
<title>File: README</title>
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<td class="file-title" colspan="2"><span class="file-title-prefix">File</span><br />README</td>
<td align="right">
<table border='0' cellspacing="0" cellpadding="2">
<tr>
<td>Path:</td>
<td>doc/README
</td>
</tr>
<tr>
<td>Modified:</td>
<td>Mon Oct 18 09:06:45 MDT 2004</td>
</tr>
</table>
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<div id="content">
<div class="description"><h1><a href="../../classes/Needle.html">Needle</a> Dependency Injection Container</h1>
<p>
<a href="../../classes/Needle.html">Needle</a> is a Dependency Injection
container, similar in goal to <a
href="http://jakarta.apache.org/hivemind">HiveMind</a>, <a
href="http://www.springframework.org">Spring</a>, and <a
href="http://www.picocontainer.org">PicoContainer</a> (in the Java
universe), but vastly different in implementation. It takes advantage of
the dynamic features in Ruby, especially closures and
<tt>instance_eval</tt>.
</p>
<ul>
<li>Project page: <a
href="http://rubyforge.org/projects/needle">rubyforge.org/projects/needle</a>
</li>
<li>User Manual: <a href="http://needle.rubyforge.org">needle.rubyforge.org</a>
</li>
<li>API Documentation: <a
href="http://needle.rubyforge.org/api">needle.rubyforge.org/api</a>
</li>
<li><a href="../../classes/Needle.html">Needle</a> Wiki: <a
href="http://needle.rubyforge.org/wiki/wiki.pl">needle.rubyforge.org/wiki/wiki.pl</a>
</li>
</ul>
<p>
For an excellent overview of dependency injection, have a look at
"Dependency Injection in Ruby" (<a
href="di-in-ruby_rdoc.html">files/doc/di-in-ruby_rdoc.html</a>).
</p>
<h2>Downloading</h2>
<p>
You may download <a href="../../classes/Needle.html">Needle</a> from <a
href="../../classes/Needle.html">Needle</a>’s RubyForge project, at
<a
href="http://rubyforge.org/projects/needle">rubyforge.org/projects/needle</a>.
<a href="../../classes/Needle.html">Needle</a> is distributed both as a <a
href="http://rubygems.rubyforge.org">RubyGem</a>, and as a Ruby library. It
is also available from the <a href="http://rpa-base.rubyforge.org">RPA</a>.
</p>
<h2>Installation</h2>
<p>
<a href="../../classes/Needle.html">Needle</a> is distributed as a gem,
which makes it extremely easy to download, install, and use. However, it
requires that you have <a href="http://rubygems.rubyforge.org">RubyGems</a>
installed, first.
</p>
<p>
Assuming you have RubyGems installed, all you have to do is:
</p>
<pre>
gem --remote-install needle
</pre>
<p>
This will install the latest version of <a
href="../../classes/Needle.html">Needle</a>.
</p>
<p>
<a href="../../classes/Needle.html">Needle</a> is also distributed as a
Ruby library. It’s not as easy to install this way, but it works.
Simply grab the latest <a href="../../classes/Needle.html">Needle</a>
package from the website, untar it, and install it by typing:
</p>
<pre>
ruby setup.rb
</pre>
<p>
Or, if you want a little more control over the installation:
</p>
<pre>
ruby setup.rb --help
</pre>
<p>
This will show you the options that are available to you, and then you can
do each stage of the installation manually:
</p>
<pre>
ruby setup.rb config
ruby setup.rb setup
ruby setup.rb install
</pre>
<h2>Manual</h2>
<p>
For more information about <a href="../../classes/Needle.html">Needle</a>,
such as an overview and tutorials, see the <a
href="../../classes/Needle.html">Needle</a> manual at <a
href="http://needle.rubyforge.org">needle.rubyforge.org</a>.
</p>
<h2>Credits</h2>
<p>
Thanks go to:
</p>
<ul>
<li>Matz, for creating Ruby in the first place.
</li>
<li>Jim Weirich, for his inspirational blog article "Dependency Injection
in Ruby" (<a
href="http://onestepback.org/index.cgi/Tech/Ruby/DependencyInjectionInRuby.rdoc">onestepback.org/index.cgi/Tech/Ruby/DependencyInjectionInRuby.rdoc</a>)
that formed the embryo of what <a
href="../../classes/Needle.html">Needle</a> has eventually become.
</li>
</ul>
<h2>License</h2>
<p>
<a href="../../classes/Needle.html">Needle</a> is copyright © 2004
Jamis Buck. It is open-source software, and may be redistributed under the
terms of the BSD or Ruby licenses. The texts of these licences are included
in the <a href="../../classes/Needle.html">Needle</a> distribution, under
the <tt>doc</tt> subdirectory.
</p>
<p>
The <a href="../../classes/Needle.html">Needle</a> manual and all software
used to build it are distributed under the Attribution-ShareAlike 1.0
Creative Commons license. Distribute it and modify it all you want, but
give me credit and distribute your changes under an identical license.
</p>
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