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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html><head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>4.3.8. Environment</title><link rel="stylesheet" href="site.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.65.1"><link rel="home" href="manual.html" title="Jalopy User Manual"><link rel="up" href="printer.html" title="4.3. Printer"><link rel="previous" href="imports.html" title="4.3.7. Imports"><link rel="next" href="javadoc.html" title="4.3.9. Javadoc"><link rel="preface" href="dedication.html" title="Dedication"><link rel="preface" href="acknowledge.html" title="Acknowledgements"><link rel="preface" href="introduction.html" title="Introduction"><link rel="part" href="part-core.html" title="Part I. Jalopy core"><link rel="chapter" href="installation.html" title="Chapter 1. Installation"><link rel="chapter" href="build.html" title="Chapter 2. Building"><link rel="chapter" href="usage.html" title="Chapter 3. Usage"><link rel="chapter" href="settings.html" title="Chapter 4. Settings"><link rel="part" href="part-plugins.html" title="Part II. Plug-ins"><link rel="chapter" href="plugin-ant.html" title="Chapter 5. Ant Plug-in task"><link rel="chapter" href="plugin-console.html" title="Chapter 6. Console Application"><link rel="chapter" href="plugin-eclipse.html" title="Chapter 7. Eclipse Plug-in"><link rel="chapter" href="plugin-jbuilder.html" title="Chapter 8. JBuilder OpenTool"><link rel="chapter" href="plugin-jdev.html" title="Chapter 9. JDeveloper Extension"><link rel="chapter" href="plugin-jedit.html" title="Chapter 10. jEdit Plug-in"><link rel="chapter" href="plugin-netbeans.html" title="Chapter 11. NetBeans/Sun ONE Studio module"><link rel="appendix" href="dependencies.html" title="Appendix A. Library Dependencies"><link rel="appendix" href="license-bsd.html" title="Appendix B. The Jalopy BSD License"><link rel="appendix" href="license-antlr.html" title="Appendix C. ANTLR SOFTWARE RIGHTS"><link rel="appendix" href="license-apache.html" title="Appendix D. The Apache Software License, Version 1.1"><link rel="appendix" href="license-gnu.html" title="Appendix E. GNU GENERAL PUBLIC LICENSE Version 2, June 1991"><link rel="appendix" href="license-gnu-doc.html" title="Appendix F. GNU Free Documentation License Version 1.1, March 2000"><link rel="appendix" href="license-common-public.html" title="Appendix G. Common Public License Version 1.0"><link rel="appendix" href="license-sun-public.html" title="Appendix H. SUN PUBLIC LICENSE Version 1.0"><link rel="index" href="ix01.html" title="Index"><link rel="subsection" href="environment.html#environment-user" title="4.3.8.1. User environment variables"><link rel="subsection" href="environment.html#environment-system" title="4.3.8.2. System environment variables"><link rel="subsection" href="environment.html#environment-local" title="4.3.8.3. Local environment variables"><link rel="subsection" href="environment.html#environment-usage" title="4.3.8.4. Usage"> <meta name="description" content="Jalopy Java Source Code Formatter Beautifier Pretty Printer"> <meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" l gen true for "http://jalopy.sf.net" r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://jalopy.sf.net" r (n 0 s 0 v 0 l 0))'> </head><body id="toppage" bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table width="700" border="0" cellpadding="0" cellspacing="0" align="left"><tbody><tr><td><table cellpadding="0" cellspacing="0" width="100%" style="border:1px solid #336699"><tbody><tr><td height="16"></td></tr><tr><td bgcolor="#3399cc" height="1"></td></tr><tr style="border:none"><td style="border:none"><table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td class="logo">JALOPY</td><td class="sublogo" valign="bottom">Java Source Code Formatter Beautifier Pretty Printer</td></tr></tbody></table></td></tr><tr><td bgcolor="#3399cc" height="1"></td></tr><tr><td height="10"></td></tr><tr><td bgcolor="#ff8000" height="4"></td></tr><tr><td height="20" bgcolor="#336699" style="color:#ffffff;padding-left:10px"><a href="./index.html" class="navlink">Overview</a> • <a href="./download.html" class="navlink">Download</a> • <a href="./docs.html" class="navlink">Documentation</a> • <a href="./plugins.html" class="navlink">Plug-ins</a> • <a href="./links.html" class="navlink">Links</a> • <a href="./contact.html" class="navlink">Contact</a></td></tr><tr><td height="1" bgcolor="#ffffff"></td></tr></tbody></table></td></tr><tr valign="top"><td valign="top" bgcolor="#ffffff"><table border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td height="20" bgcolor="#faebd7" style="padding-left:15px"><a href="./features.html" class="navlink2">Features</a> | <a href="./history.html" class="navlink2">History</a> | <a href="./manual.html" class="navlink2">Manual</a> | <a href="./faq.html" class="navlink2">FAQ</a> | <a href="./api/index.html" class="navlink2">Javadoc</a></td></tr><tr><td height="20" bgcolor="#ffffff"></td></tr><tr><td bgcolor="#eeeecc" height="17" align="right" style="font-size:10px;padding-right:3px"> This page generated: <strong>June 8 2004</strong></td></tr></tbody></table><table border="0" width="100%" cellspacing="0" cellpadding="5"><tr><td><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">4.3.8. Environment</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="imports.html">Prev</a> </td><th width="60%" align="center">4.3. Printer</th><td width="20%" align="right"> <a accesskey="n" href="javadoc.html">Next</a></td></tr></table><hr></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="environment"></a>4.3.8. Environment</h3></div></div><div></div></div><a class="indexterm" name="d0e4252"></a><a class="indexterm" name="d0e4257"></a><a class="indexterm" name="d0e4262"></a><a class="indexterm" name="d0e4265"></a><a class="indexterm" name="d0e4268"></a><p>Lets you specify/view environment variables. Environment variables can be usedin headers, footers and Javadoc templates to form variable expressions that willbe resolved during printing. I call this process <span class="emphasis"><em>variable interpolation</em></span>.</p><p>Environment variables are simple key/value pairs. Valid keys take the form<tt class="literal">([a-zA-Z_][a-zA-Z0-9_.])+</tt> and are case-sensitive. Values can befreely choosen.</p><div class="example"><a name="environment-variable-ex"></a><p class="title"><b>Example 4.142. Sample environment variables</b></p><div class="variablelist"><dl><dt></dt><dd>author = <a href="http://jalopy.sf.net/contact.html">Marco Hunsicker</a></dd><dt></dt><dd>project = Jalopy Java Source Code Formatter</dd></dl></div></div><p></p><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="environment-user"></a>4.3.8.1. User environment variables</h4></div></div><div></div></div><p>Lets you specify you're user specific environment variables. Use the<span><b class="guibutton">Add...</b></span> and <span><b class="guibutton">Remove</b></span> buttons toadd or remove items to and from the list.</p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="environment-system"></a>4.3.8.2. System environment variables</h4></div></div><div></div></div><p>All system environment variables are automatically available as well butcannot be changed from within Jalopy.</p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="environment-local"></a>4.3.8.3. Local environment variables</h4></div></div><div></div></div><p>Additionaly, Jalopy provides some local variables that are automatically setdepending on the execution context.</p><p>The current list of valid local variables reads as follows:</p><div class="table"><a name="tab-environment-local"></a><p class="title"><b>Table 4.1. Local environment variables</b></p><table summary="Local environment variables" cellspacing="0" cellpadding="3" border="0" style="border-collapse: collapse;"><colgroup><col><col></colgroup><tbody><tr><td style="">file</td><td style="">The absolute path of the currently processed Java file (e.g. <tt class="filename">/usr/projects/test/MyFile.java</tt>)</td></tr><tr><td style="">fileName</td><td style="">The name of the currently processed Java file (e.g. <tt class="filename">MyFile.java</tt>)</td></tr><tr><td style="">fileFormat</td><td style="">A string represention of the file format that will be used to write a file (e.g. UNIX or DOS)</td></tr><tr><td style="">package</td><td style="">The package name of the currently processed Java file (e.g. com.foo.mypackage)</td></tr><tr><td style="">convention</td><td style="">The name of the currently active code convention (as specified in the settings)</td></tr><tr><td style="">tabSize</td><td style="">The current indentation setting (as specified in the settings)</td></tr><tr><td style="">objectType</td><td style="">Only applies to Javadoc templates: Holds the type name of the class for a constructor.</td></tr><tr><td style="">paramType</td><td style="">Only applies to Javadoc templates: Holds the type name of a parameter.</td></tr><tr><td style="">exceptionType</td><td style="">Only applies to Javadoc templates: Holds the type name of a throws clause.</td></tr></tbody></table></div></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="environment-usage"></a>4.3.8.4. Usage</h4></div></div><div></div></div><p>Once defined, variables can then be enclosed with the dollar sign to form variable expressions.Variable expressions thus take the form <tt class="literal">$([a-zA-Z_][a-zA-Z0-9_.]+)$</tt>.</p><p>During printing these expressions will be interpolated andthe value of the variable inserted into the output file.</p><div class="example"><a name="ex-environment-header-before"></a><p class="title"><b>Example 4.143. Header template with environment variable expressions</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">//==============================================================================// file : $fileName$// project: $project$//// last change: date: $Date$// by: $Author$// revision: $Revision$//------------------------------------------------------------------------------// copyright: BSJT Software License (see class documentation)//==============================================================================</pre></td></tr></table></div><p></p><div class="example"><a name="ex-environment-header-after"></a><p class="title"><b>Example 4.144. Header after interpolation</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">//==============================================================================// file : Byte.java// project: bsjt-rt//// last change: date: $Date$// by: $Author$// revision: $Revision$//------------------------------------------------------------------------------// copyright: BSJT Software License (see class documentation)//==============================================================================</pre></td></tr></table></div><p>As you see with the above example, if a variable is not defined, Jalopy won'ttouch the expression and simply preserve the original content. This way Jalopyworks nicely with other source code tools and SCM products.</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="imports.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="printer.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="javadoc.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">4.3.7. Imports </td><td width="20%" align="center"><a accesskey="h" href="manual.html">Home</a></td><td width="40%" align="right" valign="top"> 4.3.9. Javadoc</td></tr></table></div></td></tr></table></td></tr><tr><td bgcolor="#eeeecc" height="17" style="font-size:9px;padding-left:5px"><a href="#toppage">to top</a></td></tr><tr><td height="30"><br></td></tr><tr><td height="3"></td></tr><tr><td bgcolor="#336699" height="1"></td></tr><tr><td height="1"></td></tr><tr><td bgcolor="#336699" height="16"></td></tr><tr><td bgcolor="#ff9966" height="4"></td></tr><tr><td class="footer" align="center" height="15" valign="middle"> Copyright © 2001-2004, <a class="footer" href="./contact.html">Marco Hunsicker</a>. All rights reserved. Hosted by <a href="http://sourceforge.net">SourceForge.net</a></td></tr></tbody></table><img src="http://sourceforge.net/sflogo.php?group_id=45216&type=1" width="1" height="1" border="0" hspace="0" vspace="0" alt=""></body></html>?? 快捷鍵說明
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