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[32/50] incubator-freemarker-site git commit: 2.3.26-nightly docs
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http://git-wip-us.apache.org/repos/asf/incubator-freemarker-site/blob/52c070a9/builds/2.3.26-nightly/pgui_datamodel_scalar.html
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diff --git a/builds/2.3.26-nightly/pgui_datamodel_scalar.html b/builds/2.3.26-nightly/pgui_datamodel_scalar.html
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@@ -0,0 +1,154 @@
+<!doctype html>
+<!-- Generated by FreeMarker/Docgen from DocBook -->
+<html lang="en" class="page-type-section">
+<head prefix="og: http://ogp.me/ns#">
+<meta charset="utf-8">
+<title>Scalars - Apache FreeMarker Manual</title>
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width,initial-scale=1">
+<meta name="format-detection" content="telephone=no">
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+<meta property="og:title" content="Scalars">
+<meta property="og:locale" content="en_US">
+<meta property="og:url" content="http://freemarker.org/docs/pgui_datamodel_scalar.html">
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+ <meta itemprop="url" content="http://freemarker.org/docs/">
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+
+ <!--[if lte IE 9]>
+ <div style="background-color: #C00; color: #fff; padding: 12px 24px;">Please use a modern browser to view this website.</div>
+ <![endif]--><div class="header-top-bg"><div class="site-width header-top"><a class="logo" href="http://freemarker.org" role="banner"> <img itemprop="image" src="logo.png" alt="FreeMarker">
+</a><ul class="tabs"><li><a href="http://freemarker.org/">Home</a></li><li class="current"><a href="index.html">Manual</a></li><li><a class="external" href="api/index.html">Java API</a></li></ul><ul class="secondary-tabs"><li><a class="tab icon-heart" href="http://freemarker.org/contribute.html" title="Contribute"><span>Contribute</span></a></li><li><a class="tab icon-bug" href="https://issues.apache.org/jira/browse/FREEMARKER/" title="Report a Bug"><span>Report a Bug</span></a></li><li><a class="tab icon-download" href="http://freemarker.org/freemarkerdownload.html" title="Download"><span>Download</span></a></li></ul></div></div><div class="header-bottom-bg"><div class="site-width search-row"><a href="index.html" class="navigation-header">Manual</a><div class="navigation-header"></div><form method="get" class="search-form" action="search-results.html"><fieldset><legend class="sr-only">Search form</legend><label for="search-field" class="sr-only">Search query</label><input id="searc
h-field" name="q" type="search" class="search-input" placeholder="Search" spellcheck="false" autocorrect="off" autocomplete="off"><button type="submit" class="search-btn"><span class="sr-only">Search</span></button></fieldset></form></div><div class="site-width breadcrumb-row"><ul class="breadcrumb" itemscope itemtype="http://schema.org/BreadcrumbList"><li class="step-0" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="index.html"><span itemprop="name">Apache FreeMarker Manual</span></a></li><li class="step-1" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="pgui.html"><span itemprop="name">Programmer's Guide</span></a></li><li class="step-2" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="pgui_datamodel.html"><span itemprop="name">The Data Model</span></a></li><li class="step-3" itempr
op="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="pgui_datamodel_scalar.html"><span itemprop="name">Scalars</span></a></li></ul><div class="bookmarks" title="Bookmarks"><span class="sr-only">Bookmarks:</span><ul class="bookmark-list"><li><a href="alphaidx.html">Alpha. index</a></li><li><a href="gloss.html">Glossary</a></li><li><a href="dgui_template_exp.html#exp_cheatsheet">Expressions</a></li><li><a href="ref_builtins_alphaidx.html">?builtins</a></li><li><a href="ref_directive_alphaidx.html">#directives</a></li><li><a href="ref_specvar.html">.spec_vars</a></li><li><a href="app_faq.html">FAQ</a></li></ul></div></div></div> <div class="main-content site-width">
+ <div class="content-wrapper">
+ <div id="table-of-contents-wrapper" class="col-left">
+ <script>var breadcrumb = ["Apache FreeMarker Manual","Programmer\'s Guide","The Data Model","Scalars"];</script>
+ <script src="toc.js?1489402528979"></script>
+ <script src="docgen-resources/main.min.js?1489402528979"></script>
+ </div>
+<div class="col-right"><div class="page-content"><div class="page-title"><div class="pagers top"><a class="paging-arrow previous" href="pgui_datamodel_basics.html"><span>Previous</span></a><a class="paging-arrow next" href="pgui_datamodel_parent.html"><span>Next</span></a></div><div class="title-wrapper">
+<h1 class="content-header header-section1" id="pgui_datamodel_scalar" itemprop="headline">Scalars</h1>
+</div></div><p>There are 4 scalar types:</p><ul>
+ <li>
+ Boolean
+ </li>
+
+ <li>
+ Number
+ </li>
+
+ <li>
+ String
+ </li>
+
+ <li>
+ Date-like (subtypes: date (no time part), time or
+ date-time)
+ </li>
+ </ul><p>For each scalar type is a
+ <code class="inline-code">Template<em class="code-color">Type</em>Model</code>
+ interface, where <code class="inline-code"><em class="code-color">Type</em></code> is
+ the name of the type. These interfaces define only one method:
+ <code class="inline-code"><em class="code-color">type</em>
+ getAs<em class="code-color">Type</em>();</code>. This returns the
+ value of the variable with the Java type (<code class="inline-code">boolean</code>,
+ <code class="inline-code">Number</code>, <code class="inline-code">String</code> and
+ <code class="inline-code">Date</code> respectively).</p> <div class="callout note">
+ <strong class="callout-label">Note:</strong>
+
+ <p>For historical reasons the interface for string scalars is
+ called <code class="inline-code">TemplateScalarModel</code>, not
+ <code class="inline-code">TemplateStringModel</code>. (It's because in early
+ FreeMarker strings were the only kind of scalars.)</p>
+ </div>
+<p>A trivial implementation of these interfaces are available in
+ <code class="inline-code">freemarker.template</code> package with
+ <code class="inline-code">Simple<em class="code-color">Type</em></code> class name.
+ However, there is no <code class="inline-code">SimpleBooleanModel</code>; to
+ represent the boolean values you can use the
+ <code class="inline-code">TemplateBooleanModel.TRUE</code> and
+ <code class="inline-code">TemplateBooleanModel.FALSE</code> singletons.</p> <div class="callout note">
+ <strong class="callout-label">Note:</strong>
+
+ <p>For historical reasons the class for string scalars is called
+ <code class="inline-code">SimpleScalar</code>, not
+ <code class="inline-code">SimpleString</code>.</p>
+ </div>
+<p>Scalars are immutable within FTL. When you set the value of a
+ variable in a template, then you replace the
+ <code class="inline-code">Template<em class="code-color">Type</em>Model</code>
+ instance with another instance, and don't change the value stored in
+ the original instance.</p>
+
+
+
+
+<h2 class="content-header header-section2" id="autoid_31">Difficulties with the "date-like" types</h2>
+
+
+
+
+
+
+ <p>There is a complication around date-like types, because Java
+ API usually does not differentiate
+ <code class="inline-code">java.util.Date</code>-s that store only the date part
+ (April 4, 2003), only the time part (10:19:18 PM), or both (April 4,
+ 2003 10:19:18 PM). To display the value as text correctly (or to do
+ certain other operations), FreeMarker must know what parts of the
+ <code class="inline-code">java.util.Date</code> stores meaningful information, and
+ what parts are unused (usually 0-ed out). Unfortunately, this
+ information is usually only available when the value comes from a
+ database, because most databases have separate date, time and
+ date-time (aka. timestap) types, and <code class="inline-code">java.sql</code> has
+ 3 corresponding <code class="inline-code">java.util.Date</code> subclasses for
+ them.</p>
+
+ <p><code class="inline-code">TemplateDateModel</code> interface has two
+ methods: <code class="inline-code">java.util.Date getAsDate()</code> and
+ <code class="inline-code">int getDateType()</code>. A typical implementation of
+ this interface, stores a <code class="inline-code">java.util.Date</code> object,
+ plus an integer that tells the subtype. The value of this integer
+ must be a constant from the <code class="inline-code">TemplateDateModel</code>
+ interface: <code class="inline-code">DATE</code>, <code class="inline-code">TIME</code>,
+ <code class="inline-code">DATETIME</code> and <code class="inline-code">UNKNOWN</code>.</p>
+
+ <p>About <code class="inline-code">UNKNOWN</code>: <code class="inline-code">java.lang</code>
+ and <code class="inline-code">java.util</code> classes are usually converted
+ automatically into <code class="inline-code">TemplateModel</code> implementations
+ be the <code class="inline-code">ObjectWrapper</code> (see object wrapping
+ earlier). If the object wrapper has to wrap a
+ <code class="inline-code">java.util.Date</code>, that is not an instance of a
+ <code class="inline-code">java.sql</code> date class, it can't decide what the
+ subtype is, so it uses <code class="inline-code">UNKNOWN</code>. Later, if the
+ template has to use this variable, and the subtype is needed for the
+ operation, it will stop with error. To prevent this, for the
+ problematic variables the template author must specify the subtype
+ explicitly using the <a href="ref_builtins_date.html#ref_builtin_date_datetype"><code>date</code>,
+ <code>time</code> or <code>datetime</code>
+ built-ins</a> (like <code class="inline-code">lastUpdated?datetime</code>).
+ Note that if you use <code class="inline-code">string</code> built-in with format
+ parameter, as <code class="inline-code">foo?string["MM/dd/yyyy"]</code>, then
+ FreeMarker doesn't need to know the subtype.</p>
+ <div class="bottom-pagers-wrapper"><div class="pagers bottom"><a class="paging-arrow previous" href="pgui_datamodel_basics.html"><span>Previous</span></a><a class="paging-arrow next" href="pgui_datamodel_parent.html"><span>Next</span></a></div></div></div></div> </div>
+ </div>
+<div class="site-footer"><div class="site-width"><div class="footer-top"><div class="col-left sitemap"><div class="column"><h3 class="column-header">Overview</h3><ul><li><a href="http://freemarker.org/">What is FreeMarker?</a></li><li><a href="http://freemarker.org/freemarkerdownload.html">Download</a></li><li><a href="app_versions.html">Version history</a></li><li><a href="http://freemarker.org/history.html">About us</a></li><li><a itemprop="license" href="app_license.html">License</a></li></ul></div><div class="column"><h3 class="column-header">Handy stuff</h3><ul><li><a href="http://freemarker-online.kenshoo.com/">Try template online</a></li><li><a href="dgui_template_exp.html#exp_cheatsheet">Expressions cheatsheet</a></li><li><a href="ref_directive_alphaidx.html">#directives</a></li><li><a href="ref_builtins_alphaidx.html">?built_ins</a></li><li><a href="ref_specvar.html">.special_vars</a></li></ul></div><div class="column"><h3 class="column-header">Community</h3><ul><li><a href
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+Last generated:
+<time itemprop="dateModified" datetime="2017-03-13T10:55:28Z" title="Monday, March 13, 2017 10:55:28 AM GMT">2017-03-13 10:55:28 GMT</time>, for Freemarker 2.3.26 </p>
+<p class="copyright">
+� <span itemprop="copyrightYear">1999</span>\u20132017
+<a itemtype="http://schema.org/Organization" itemprop="copyrightHolder" href="http://apache.org/">The Apache Software Foundation</a>. Apache FreeMarker, FreeMarker, Apache Incubator, Apache, the Apache FreeMarker logo are trademarks of The Apache Software Foundation. </p>
+</div></div></div></body>
+</html>
http://git-wip-us.apache.org/repos/asf/incubator-freemarker-site/blob/52c070a9/builds/2.3.26-nightly/pgui_misc.html
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diff --git a/builds/2.3.26-nightly/pgui_misc.html b/builds/2.3.26-nightly/pgui_misc.html
new file mode 100644
index 0000000..ba79263
--- /dev/null
+++ b/builds/2.3.26-nightly/pgui_misc.html
@@ -0,0 +1,55 @@
+<!doctype html>
+<!-- Generated by FreeMarker/Docgen from DocBook -->
+<html lang="en" class="page-type-chapter">
+<head prefix="og: http://ogp.me/ns#">
+<meta charset="utf-8">
+<title>Miscellaneous - Apache FreeMarker Manual</title>
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width,initial-scale=1">
+<meta name="format-detection" content="telephone=no">
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+(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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+<body itemscope itemtype="https://schema.org/Code">
+ <meta itemprop="url" content="http://freemarker.org/docs/">
+ <meta itemprop="name" content="Apache FreeMarker Manual">
+
+ <!--[if lte IE 9]>
+ <div style="background-color: #C00; color: #fff; padding: 12px 24px;">Please use a modern browser to view this website.</div>
+ <![endif]--><div class="header-top-bg"><div class="site-width header-top"><a class="logo" href="http://freemarker.org" role="banner"> <img itemprop="image" src="logo.png" alt="FreeMarker">
+</a><ul class="tabs"><li><a href="http://freemarker.org/">Home</a></li><li class="current"><a href="index.html">Manual</a></li><li><a class="external" href="api/index.html">Java API</a></li></ul><ul class="secondary-tabs"><li><a class="tab icon-heart" href="http://freemarker.org/contribute.html" title="Contribute"><span>Contribute</span></a></li><li><a class="tab icon-bug" href="https://issues.apache.org/jira/browse/FREEMARKER/" title="Report a Bug"><span>Report a Bug</span></a></li><li><a class="tab icon-download" href="http://freemarker.org/freemarkerdownload.html" title="Download"><span>Download</span></a></li></ul></div></div><div class="header-bottom-bg"><div class="site-width search-row"><a href="index.html" class="navigation-header">Manual</a><div class="navigation-header"></div><form method="get" class="search-form" action="search-results.html"><fieldset><legend class="sr-only">Search form</legend><label for="search-field" class="sr-only">Search query</label><input id="searc
h-field" name="q" type="search" class="search-input" placeholder="Search" spellcheck="false" autocorrect="off" autocomplete="off"><button type="submit" class="search-btn"><span class="sr-only">Search</span></button></fieldset></form></div><div class="site-width breadcrumb-row"><ul class="breadcrumb" itemscope itemtype="http://schema.org/BreadcrumbList"><li class="step-0" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="index.html"><span itemprop="name">Apache FreeMarker Manual</span></a></li><li class="step-1" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="pgui.html"><span itemprop="name">Programmer's Guide</span></a></li><li class="step-2" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="pgui_misc.html"><span itemprop="name">Miscellaneous</span></a></li></ul><div class="bookmarks" tit
le="Bookmarks"><span class="sr-only">Bookmarks:</span><ul class="bookmark-list"><li><a href="alphaidx.html">Alpha. index</a></li><li><a href="gloss.html">Glossary</a></li><li><a href="dgui_template_exp.html#exp_cheatsheet">Expressions</a></li><li><a href="ref_builtins_alphaidx.html">?builtins</a></li><li><a href="ref_directive_alphaidx.html">#directives</a></li><li><a href="ref_specvar.html">.spec_vars</a></li><li><a href="app_faq.html">FAQ</a></li></ul></div></div></div> <div class="main-content site-width">
+ <div class="content-wrapper">
+ <div id="table-of-contents-wrapper" class="col-left">
+ <script>var breadcrumb = ["Apache FreeMarker Manual","Programmer\'s Guide","Miscellaneous"];</script>
+ <script src="toc.js?1489402528979"></script>
+ <script src="docgen-resources/main.min.js?1489402528979"></script>
+ </div>
+<div class="col-right"><div class="page-content"><div class="page-title"><div class="pagers top"><a class="paging-arrow previous" href="pgui_config_incompatible_improvements.html"><span>Previous</span></a><a class="paging-arrow next" href="pgui_misc_var.html"><span>Next</span></a></div><div class="title-wrapper">
+<h1 class="content-header header-chapter" id="pgui_misc" itemprop="headline">Miscellaneous</h1>
+</div></div><div class="page-menu">
+<div class="page-menu-title">Section Contents</div>
+<ul><li><a class="page-menu-link" href="pgui_misc_var.html" data-menu-target="pgui_misc_var">Variables, scopes</a></li><li><a class="page-menu-link" href="pgui_misc_charset.html" data-menu-target="pgui_misc_charset">Charset issues</a></li><li><a class="page-menu-link" href="pgui_misc_multithreading.html" data-menu-target="pgui_misc_multithreading">Multithreading</a></li><li><a class="page-menu-link" href="pgui_misc_beanwrapper.html" data-menu-target="pgui_misc_beanwrapper">Bean wrapper</a></li><li><a class="page-menu-link" href="pgui_misc_logging.html" data-menu-target="pgui_misc_logging">Logging</a></li><li><a class="page-menu-link" href="pgui_misc_servlet.html" data-menu-target="pgui_misc_servlet">Using FreeMarker with servlets</a></li><li><a class="page-menu-link" href="pgui_misc_secureenv.html" data-menu-target="pgui_misc_secureenv">Configuring security policy for FreeMarker</a></li><li><a class="page-menu-link" href="pgui_misc_xml_legacy.html" data-menu-target="pgui_misc_xml_le
gacy">Legacy XML wrapper implementation</a></li><li><a class="page-menu-link" href="pgui_misc_ant.html" data-menu-target="pgui_misc_ant">Using FreeMarker with Ant</a></li><li><a class="page-menu-link" href="pgui_misc_jythonwrapper.html" data-menu-target="pgui_misc_jythonwrapper">Jython wrapper</a></li></ul> </div><p>This is just an introductory guide. See the <a href="api/index.html">FreeMarker Java API documentation</a> for the
+ details.</p><div class="bottom-pagers-wrapper"><div class="pagers bottom"><a class="paging-arrow previous" href="pgui_config_incompatible_improvements.html"><span>Previous</span></a><a class="paging-arrow next" href="pgui_misc_var.html"><span>Next</span></a></div></div></div></div> </div>
+ </div>
+<div class="site-footer"><div class="site-width"><div class="footer-top"><div class="col-left sitemap"><div class="column"><h3 class="column-header">Overview</h3><ul><li><a href="http://freemarker.org/">What is FreeMarker?</a></li><li><a href="http://freemarker.org/freemarkerdownload.html">Download</a></li><li><a href="app_versions.html">Version history</a></li><li><a href="http://freemarker.org/history.html">About us</a></li><li><a itemprop="license" href="app_license.html">License</a></li></ul></div><div class="column"><h3 class="column-header">Handy stuff</h3><ul><li><a href="http://freemarker-online.kenshoo.com/">Try template online</a></li><li><a href="dgui_template_exp.html#exp_cheatsheet">Expressions cheatsheet</a></li><li><a href="ref_directive_alphaidx.html">#directives</a></li><li><a href="ref_builtins_alphaidx.html">?built_ins</a></li><li><a href="ref_specvar.html">.special_vars</a></li></ul></div><div class="column"><h3 class="column-header">Community</h3><ul><li><a href
="https://github.com/freemarker/freemarker">FreeMarker on Github</a></li><li><a href="https://twitter.com/freemarker">Follow us on Twitter</a></li><li><a href="https://issues.apache.org/jira/browse/FREEMARKER/">Report a bug</a></li><li><a href="http://stackoverflow.com/questions/ask?tags=freemarker">Ask a question</a></li><li><a href="http://freemarker.org/mailing-lists.html">Mailing lists</a></li></ul></div></div><div class="col-right"><ul class="social-icons"><li><a class="github" href="https://github.com/freemarker/freemarker">Github</a></li><li><a class="twitter" href="https://twitter.com/freemarker">Twitter</a></li><li><a class="stack-overflow" href="http://stackoverflow.com/questions/ask?tags=freemarker">Stack Overflow</a></li></ul><a class="xxe" href="http://www.xmlmind.com/xmleditor/" rel="nofollow" title="Edited with XMLMind XML Editor"><span>Edited with XMLMind XML Editor</span></a></div></div><div class="footer-bottom"> <p class="last-generated">
+Last generated:
+<time itemprop="dateModified" datetime="2017-03-13T10:55:28Z" title="Monday, March 13, 2017 10:55:28 AM GMT">2017-03-13 10:55:28 GMT</time>, for Freemarker 2.3.26 </p>
+<p class="copyright">
+� <span itemprop="copyrightYear">1999</span>\u20132017
+<a itemtype="http://schema.org/Organization" itemprop="copyrightHolder" href="http://apache.org/">The Apache Software Foundation</a>. Apache FreeMarker, FreeMarker, Apache Incubator, Apache, the Apache FreeMarker logo are trademarks of The Apache Software Foundation. </p>
+</div></div></div></body>
+</html>
http://git-wip-us.apache.org/repos/asf/incubator-freemarker-site/blob/52c070a9/builds/2.3.26-nightly/pgui_misc_ant.html
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diff --git a/builds/2.3.26-nightly/pgui_misc_ant.html b/builds/2.3.26-nightly/pgui_misc_ant.html
new file mode 100644
index 0000000..3aac258
--- /dev/null
+++ b/builds/2.3.26-nightly/pgui_misc_ant.html
@@ -0,0 +1,111 @@
+<!doctype html>
+<!-- Generated by FreeMarker/Docgen from DocBook -->
+<html lang="en" class="page-type-section">
+<head prefix="og: http://ogp.me/ns#">
+<meta charset="utf-8">
+<title>Using FreeMarker with Ant - Apache FreeMarker Manual</title>
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width,initial-scale=1">
+<meta name="format-detection" content="telephone=no">
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+<meta property="og:locale" content="en_US">
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+<link rel="stylesheet" type="text/css" href="http://fonts.googleapis.com/css?family=Roboto:500,700,400,300|Droid+Sans+Mono">
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+</head>
+<body itemscope itemtype="https://schema.org/Code">
+ <meta itemprop="url" content="http://freemarker.org/docs/">
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+
+ <!--[if lte IE 9]>
+ <div style="background-color: #C00; color: #fff; padding: 12px 24px;">Please use a modern browser to view this website.</div>
+ <![endif]--><div class="header-top-bg"><div class="site-width header-top"><a class="logo" href="http://freemarker.org" role="banner"> <img itemprop="image" src="logo.png" alt="FreeMarker">
+</a><ul class="tabs"><li><a href="http://freemarker.org/">Home</a></li><li class="current"><a href="index.html">Manual</a></li><li><a class="external" href="api/index.html">Java API</a></li></ul><ul class="secondary-tabs"><li><a class="tab icon-heart" href="http://freemarker.org/contribute.html" title="Contribute"><span>Contribute</span></a></li><li><a class="tab icon-bug" href="https://issues.apache.org/jira/browse/FREEMARKER/" title="Report a Bug"><span>Report a Bug</span></a></li><li><a class="tab icon-download" href="http://freemarker.org/freemarkerdownload.html" title="Download"><span>Download</span></a></li></ul></div></div><div class="header-bottom-bg"><div class="site-width search-row"><a href="index.html" class="navigation-header">Manual</a><div class="navigation-header"></div><form method="get" class="search-form" action="search-results.html"><fieldset><legend class="sr-only">Search form</legend><label for="search-field" class="sr-only">Search query</label><input id="searc
h-field" name="q" type="search" class="search-input" placeholder="Search" spellcheck="false" autocorrect="off" autocomplete="off"><button type="submit" class="search-btn"><span class="sr-only">Search</span></button></fieldset></form></div><div class="site-width breadcrumb-row"><ul class="breadcrumb" itemscope itemtype="http://schema.org/BreadcrumbList"><li class="step-0" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="index.html"><span itemprop="name">Apache FreeMarker Manual</span></a></li><li class="step-1" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="pgui.html"><span itemprop="name">Programmer's Guide</span></a></li><li class="step-2" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="pgui_misc.html"><span itemprop="name">Miscellaneous</span></a></li><li class="step-3" itemprop="it
emListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="pgui_misc_ant.html"><span itemprop="name">Using FreeMarker with Ant</span></a></li></ul><div class="bookmarks" title="Bookmarks"><span class="sr-only">Bookmarks:</span><ul class="bookmark-list"><li><a href="alphaidx.html">Alpha. index</a></li><li><a href="gloss.html">Glossary</a></li><li><a href="dgui_template_exp.html#exp_cheatsheet">Expressions</a></li><li><a href="ref_builtins_alphaidx.html">?builtins</a></li><li><a href="ref_directive_alphaidx.html">#directives</a></li><li><a href="ref_specvar.html">.spec_vars</a></li><li><a href="app_faq.html">FAQ</a></li></ul></div></div></div> <div class="main-content site-width">
+ <div class="content-wrapper">
+ <div id="table-of-contents-wrapper" class="col-left">
+ <script>var breadcrumb = ["Apache FreeMarker Manual","Programmer\'s Guide","Miscellaneous","Using FreeMarker with Ant"];</script>
+ <script src="toc.js?1489402528979"></script>
+ <script src="docgen-resources/main.min.js?1489402528979"></script>
+ </div>
+<div class="col-right"><div class="page-content"><div class="page-title"><div class="pagers top"><a class="paging-arrow previous" href="pgui_misc_xml_legacy.html"><span>Previous</span></a><a class="paging-arrow next" href="pgui_misc_jythonwrapper.html"><span>Next</span></a></div><div class="title-wrapper">
+<h1 class="content-header header-section1" id="pgui_misc_ant" itemprop="headline">Using FreeMarker with Ant</h1>
+</div></div><p>There are two "FreeMarker Ant tasks" that we know
+ about:</p><ul>
+ <li>
+ <p><code class="inline-code">FreemarkerXmlTask</code>: It comes with the
+ FreeMarker distribution, packed into the
+ <code class="inline-code">freemarker.jar</code>. This is a lightweight,
+ easy-to-use Ant task for transforming XML documents with
+ FreeMarker templates. Its approach is that the source files (input
+ files) are XML files, which are rendered to corresponding output
+ files, by a single template. That is, for each XML file, the
+ template will be executed (with the XML document in the
+ data-model), and the template output will be written into a file
+ of similar name than the name of the XML file. Thus, the template
+ file plays a similar role as an XSLT style sheet, but it is FTL,
+ not XSLT.</p>
+ </li>
+
+ <li>
+ <p> FMPP: It's a more heavyweight, less XML centric,
+ third party Ant task (and standalone command-line tool). Its
+ primary approach is that the source files (input files) are
+ template files that generate the corresponding output files
+ themselves, but it also supports the approach of
+ <code class="inline-code">FreemarkerXmlTask</code> for the source files that are
+ XML-s. Also, it has extra features over the
+ <code class="inline-code">FreemarkerXmlTask</code>. What's its drawback then? As
+ it is more complex and more generalized, it's harder to learn and
+ use it.</p>
+ </li>
+ </ul><p>This section introduces the
+ <code class="inline-code">FreemarkerXmlTask</code>. For more information about FMPP
+ visit its homepage: <a href="http://fmpp.sourceforge.net/">http://fmpp.sourceforge.net/</a>.</p><p>In order to use the <code class="inline-code">FreemarkerXmlTask</code>, you
+ must first define the
+ <code class="inline-code">freemarker.ext.ant.FreemarkerXmlTask</code> inside your
+ Ant buildfile, then call the task. Suppose you want to transform
+ several XML documents to HTML using the hypothetical "xml2html.ftl"
+ template, with XML documents located in the directory "xml" and HTML
+ documents generated into directory "html". You would write something
+ like:</p>
+
+<div class="code-wrapper"><pre class="code-block code-unspecified"><taskdef name="freemarker" classname="freemarker.ext.ant.FreemarkerXmlTask">
+ <classpath>
+ <pathelement location="freemarker.jar" />
+ </classpath>
+</taskdef>
+<mkdir dir="html" />
+<freemarker basedir="xml" destdir="html" includes="**/*.xml" template="xml2html.ftl" /></pre></div><p>The task would invoke the template for every XML document. Every
+ document would be parsed into a DOM tree, then wrapped as a FreeMarker
+ node variable. When template processing begins, the special variable,
+ <code class="inline-code">.node</code>, is set to the root node of the XML
+ document.</p><p>Note that if you are using the legacy (FreeMarker 2.2.x and
+ earlier) XML adapter implementation, that still works, and the root of
+ the XML tree is placed in the data-model as the variable
+ <code class="inline-code">document</code>. That contains an instance of the legacy
+ <code class="inline-code">freemarker.ext.xml.NodeListModel</code> class.</p><p>Note that all properties defined by the build file would be made
+ available as a hash model named "properties". Several other models are
+ made available; for detailed description of what variables are made
+ available to templates as well as what other attributes can the task
+ accept, see the JavaDoc for
+ <code class="inline-code">freemarker.ext.ant.FreemarkerXmlTask</code>.</p><div class="bottom-pagers-wrapper"><div class="pagers bottom"><a class="paging-arrow previous" href="pgui_misc_xml_legacy.html"><span>Previous</span></a><a class="paging-arrow next" href="pgui_misc_jythonwrapper.html"><span>Next</span></a></div></div></div></div> </div>
+ </div>
+<div class="site-footer"><div class="site-width"><div class="footer-top"><div class="col-left sitemap"><div class="column"><h3 class="column-header">Overview</h3><ul><li><a href="http://freemarker.org/">What is FreeMarker?</a></li><li><a href="http://freemarker.org/freemarkerdownload.html">Download</a></li><li><a href="app_versions.html">Version history</a></li><li><a href="http://freemarker.org/history.html">About us</a></li><li><a itemprop="license" href="app_license.html">License</a></li></ul></div><div class="column"><h3 class="column-header">Handy stuff</h3><ul><li><a href="http://freemarker-online.kenshoo.com/">Try template online</a></li><li><a href="dgui_template_exp.html#exp_cheatsheet">Expressions cheatsheet</a></li><li><a href="ref_directive_alphaidx.html">#directives</a></li><li><a href="ref_builtins_alphaidx.html">?built_ins</a></li><li><a href="ref_specvar.html">.special_vars</a></li></ul></div><div class="column"><h3 class="column-header">Community</h3><ul><li><a href
="https://github.com/freemarker/freemarker">FreeMarker on Github</a></li><li><a href="https://twitter.com/freemarker">Follow us on Twitter</a></li><li><a href="https://issues.apache.org/jira/browse/FREEMARKER/">Report a bug</a></li><li><a href="http://stackoverflow.com/questions/ask?tags=freemarker">Ask a question</a></li><li><a href="http://freemarker.org/mailing-lists.html">Mailing lists</a></li></ul></div></div><div class="col-right"><ul class="social-icons"><li><a class="github" href="https://github.com/freemarker/freemarker">Github</a></li><li><a class="twitter" href="https://twitter.com/freemarker">Twitter</a></li><li><a class="stack-overflow" href="http://stackoverflow.com/questions/ask?tags=freemarker">Stack Overflow</a></li></ul><a class="xxe" href="http://www.xmlmind.com/xmleditor/" rel="nofollow" title="Edited with XMLMind XML Editor"><span>Edited with XMLMind XML Editor</span></a></div></div><div class="footer-bottom"> <p class="last-generated">
+Last generated:
+<time itemprop="dateModified" datetime="2017-03-13T10:55:28Z" title="Monday, March 13, 2017 10:55:28 AM GMT">2017-03-13 10:55:28 GMT</time>, for Freemarker 2.3.26 </p>
+<p class="copyright">
+� <span itemprop="copyrightYear">1999</span>\u20132017
+<a itemtype="http://schema.org/Organization" itemprop="copyrightHolder" href="http://apache.org/">The Apache Software Foundation</a>. Apache FreeMarker, FreeMarker, Apache Incubator, Apache, the Apache FreeMarker logo are trademarks of The Apache Software Foundation. </p>
+</div></div></div></body>
+</html>
http://git-wip-us.apache.org/repos/asf/incubator-freemarker-site/blob/52c070a9/builds/2.3.26-nightly/pgui_misc_beanwrapper.html
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diff --git a/builds/2.3.26-nightly/pgui_misc_beanwrapper.html b/builds/2.3.26-nightly/pgui_misc_beanwrapper.html
new file mode 100644
index 0000000..5b2032c
--- /dev/null
+++ b/builds/2.3.26-nightly/pgui_misc_beanwrapper.html
@@ -0,0 +1,666 @@
+<!doctype html>
+<!-- Generated by FreeMarker/Docgen from DocBook -->
+<html lang="en" class="page-type-section">
+<head prefix="og: http://ogp.me/ns#">
+<meta charset="utf-8">
+<title>Bean wrapper - Apache FreeMarker Manual</title>
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width,initial-scale=1">
+<meta name="format-detection" content="telephone=no">
+<meta property="og:site_name" content="Apache FreeMarker Manual">
+<meta property="og:title" content="Bean wrapper">
+<meta property="og:locale" content="en_US">
+<meta property="og:url" content="http://freemarker.org/docs/pgui_misc_beanwrapper.html">
+<link rel="canonical" href="http://freemarker.org/docs/pgui_misc_beanwrapper.html">
+<link rel="icon" href="favicon.png" type="image/png">
+<link rel="stylesheet" type="text/css" href="http://fonts.googleapis.com/css?family=Roboto:500,700,400,300|Droid+Sans+Mono">
+<link rel="stylesheet" type="text/css" href="docgen-resources/docgen.min.css?1489402528979">
+<script>
+(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
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+})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
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+ga('send', 'pageview');
+</script>
+</head>
+<body itemscope itemtype="https://schema.org/Code">
+ <meta itemprop="url" content="http://freemarker.org/docs/">
+ <meta itemprop="name" content="Apache FreeMarker Manual">
+
+ <!--[if lte IE 9]>
+ <div style="background-color: #C00; color: #fff; padding: 12px 24px;">Please use a modern browser to view this website.</div>
+ <![endif]--><div class="header-top-bg"><div class="site-width header-top"><a class="logo" href="http://freemarker.org" role="banner"> <img itemprop="image" src="logo.png" alt="FreeMarker">
+</a><ul class="tabs"><li><a href="http://freemarker.org/">Home</a></li><li class="current"><a href="index.html">Manual</a></li><li><a class="external" href="api/index.html">Java API</a></li></ul><ul class="secondary-tabs"><li><a class="tab icon-heart" href="http://freemarker.org/contribute.html" title="Contribute"><span>Contribute</span></a></li><li><a class="tab icon-bug" href="https://issues.apache.org/jira/browse/FREEMARKER/" title="Report a Bug"><span>Report a Bug</span></a></li><li><a class="tab icon-download" href="http://freemarker.org/freemarkerdownload.html" title="Download"><span>Download</span></a></li></ul></div></div><div class="header-bottom-bg"><div class="site-width search-row"><a href="index.html" class="navigation-header">Manual</a><div class="navigation-header"></div><form method="get" class="search-form" action="search-results.html"><fieldset><legend class="sr-only">Search form</legend><label for="search-field" class="sr-only">Search query</label><input id="searc
h-field" name="q" type="search" class="search-input" placeholder="Search" spellcheck="false" autocorrect="off" autocomplete="off"><button type="submit" class="search-btn"><span class="sr-only">Search</span></button></fieldset></form></div><div class="site-width breadcrumb-row"><ul class="breadcrumb" itemscope itemtype="http://schema.org/BreadcrumbList"><li class="step-0" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="index.html"><span itemprop="name">Apache FreeMarker Manual</span></a></li><li class="step-1" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="pgui.html"><span itemprop="name">Programmer's Guide</span></a></li><li class="step-2" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="pgui_misc.html"><span itemprop="name">Miscellaneous</span></a></li><li class="step-3" itemprop="it
emListElement" itemscope itemtype="http://schema.org/ListItem"><a class="label" itemprop="item" href="pgui_misc_beanwrapper.html"><span itemprop="name">Bean wrapper</span></a></li></ul><div class="bookmarks" title="Bookmarks"><span class="sr-only">Bookmarks:</span><ul class="bookmark-list"><li><a href="alphaidx.html">Alpha. index</a></li><li><a href="gloss.html">Glossary</a></li><li><a href="dgui_template_exp.html#exp_cheatsheet">Expressions</a></li><li><a href="ref_builtins_alphaidx.html">?builtins</a></li><li><a href="ref_directive_alphaidx.html">#directives</a></li><li><a href="ref_specvar.html">.spec_vars</a></li><li><a href="app_faq.html">FAQ</a></li></ul></div></div></div> <div class="main-content site-width">
+ <div class="content-wrapper">
+ <div id="table-of-contents-wrapper" class="col-left">
+ <script>var breadcrumb = ["Apache FreeMarker Manual","Programmer\'s Guide","Miscellaneous","Bean wrapper"];</script>
+ <script src="toc.js?1489402528979"></script>
+ <script src="docgen-resources/main.min.js?1489402528979"></script>
+ </div>
+<div class="col-right"><div class="page-content"><div class="page-title"><div class="pagers top"><a class="paging-arrow previous" href="pgui_misc_multithreading.html"><span>Previous</span></a><a class="paging-arrow next" href="pgui_misc_logging.html"><span>Next</span></a></div><div class="title-wrapper">
+<h1 class="content-header header-section1" id="pgui_misc_beanwrapper" itemprop="headline">Bean wrapper</h1>
+</div></div><div class="page-menu">
+<div class="page-menu-title">Page Contents</div>
+<ul><li><a class="page-menu-link" href="#beanswrapper_hash" data-menu-target="beanswrapper_hash">TemplateHashModel functionality</a></li><li><a class="page-menu-link" href="#autoid_54" data-menu-target="autoid_54">A word on security</a></li><li><a class="page-menu-link" href="#autoid_55" data-menu-target="autoid_55">TemplateScalarModel functionality</a></li><li><a class="page-menu-link" href="#autoid_56" data-menu-target="autoid_56">TemplateNumberModel functionality</a></li><li><a class="page-menu-link" href="#autoid_57" data-menu-target="autoid_57">TemplateCollectionModel functionality</a></li><li><a class="page-menu-link" href="#autoid_58" data-menu-target="autoid_58">TemplateSequenceModel functionality</a></li><li><a class="page-menu-link" href="#beanswrapper_method" data-menu-target="beanswrapper_method">TemplateMethodModel functionality</a></li><li><a class="page-menu-link" href="#autoid_59" data-menu-target="autoid_59">Unwrapping rules</a></li><li><a class="page-menu-link" hre
f="#autoid_60" data-menu-target="autoid_60">Accessing static methods</a></li><li><a class="page-menu-link" href="#jdk_15_enums" data-menu-target="jdk_15_enums">Accessing enums</a></li></ul> </div> <div class="callout note">
+ <strong class="callout-label">Note:</strong>
+
+ <p>Using <code class="inline-code">BeansWrapper</code> directly is not
+ recommended anymore. Use its subclass,
+ <code class="inline-code">DefaultObjectWrapper</code> instead, though by ensuring
+ that its <code class="inline-code">incompatibleImprovements</code> property is at
+ least 2.3.22. <code class="inline-code">DefaultObjectWrapper</code> gives cleaner
+ data-model (less confusing multi-type FTL values) and is usually
+ faster. <a href="pgui_datamodel_objectWrapper.html#pgui_datamodel_defaultObjectWrapper">See more
+ about DefaultObjectWrapper here...</a></p>
+ </div>
+<p>The <code class="inline-code">freemarker.ext.beans.BeansWrapper</code> is an
+ <a href="pgui_datamodel_objectWrapper.html">object wrapper</a>
+ that was originally added to FreeMarker so arbitrary POJO-s (Plain Old
+ Java Objects) can be wrapped into <code class="inline-code">TemplateModel</code>
+ interfaces. Since then it has became the normal way of doing things,
+ and in fact the <code class="inline-code">DefaultObjectWrapper</code> itself is a
+ <code class="inline-code">BeansWrapper</code> extension. So everything described
+ here goes for the <code class="inline-code">DefaultObjectWrapper</code> too, except
+ that the <code class="inline-code">DefaultObjectWrapper</code> will wrap
+ <code class="inline-code">String</code>, <code class="inline-code">Number</code>,
+ <code class="inline-code">Date</code>, <code class="inline-code">array</code>,
+ <code class="inline-code">Collection</code> (like <code class="inline-code">List</code>),
+ <code class="inline-code">Map</code>, <code class="inline-code">Boolean</code> and
+ <code class="inline-code">Iterator</code> objects with the
+ <code class="inline-code">freemarker.template.Simple<em class="code-color">Xxx</em></code>
+ classes, and W3C DOM nodes with
+ <code class="inline-code">freemarker.ext.dom.NodeModel</code> (<a href="xgui.html">more about wrapped W3C DOM...</a>), so for those the
+ above described rules doesn't apply.</p><p>You will want to use <code class="inline-code">BeansWrapper</code> instead of
+ <code class="inline-code">DefaultObjectWrapper</code> when any of these
+ stands:</p><ul>
+ <li>
+ <p>The <code class="inline-code">Collection</code>-s and
+ <code class="inline-code">Map</code>-s of the model should be allowed to be
+ modified during template execution.
+ (<code class="inline-code">DefaultObjectWrapper</code> prevents that, since it
+ creates a copy of the collections when they are wrapped, and the
+ copies will be read-only.)</p>
+ </li>
+
+ <li>
+ <p>If the identity of the <code class="inline-code">array</code>,
+ <code class="inline-code">Collection</code> and <code class="inline-code">Map</code> objects
+ must be kept when they are passed to a wrapped object's method in
+ the template. That is, if those methods must get exactly the same
+ object that was earlier wrapped.</p>
+ </li>
+
+ <li>
+ <p>If the Java API of the earlier listed classes
+ (<code class="inline-code">String</code>, <code class="inline-code">Map</code>,
+ <code class="inline-code">List</code> ...etc) should be visible for the
+ templates. Even with <code class="inline-code">BeansWrapper</code>, they are not
+ visible by default, but it can be achieved by setting the exposure
+ level (see later). Note that this is usually a bad practice; try
+ to use <a href="ref_builtins.html">the built-ins</a> (like
+ <code class="inline-code">foo?size</code>, <code class="inline-code">foo?upper_case</code>,
+ <code class="inline-code">foo?replace('_', '-')</code> ...etc) instead of the
+ Java API.</p>
+ </li>
+ </ul><p>Below is a summary of the <code class="inline-code">TemplateModel</code>-s
+ that the <code class="inline-code">BeansWrapper</code> creates. Let's assume that
+ the object is called <code class="inline-code">obj</code> before wrapping, and
+ <code class="inline-code">model</code> after wrapping for the sake of the following
+ discussion.</p>
+
+
+
+
+<h2 class="content-header header-section2" id="beanswrapper_hash">TemplateHashModel functionality</h2>
+
+
+ <p>Every object will be wrapped into a
+ <code class="inline-code">TemplateHashModel</code> that will expose JavaBeans
+ properties and methods of the object. This way, you can use
+ <code class="inline-code">model.foo</code> in the template to invoke
+ <code class="inline-code">obj.getFoo()</code> or <code class="inline-code">obj.isFoo()</code>
+ methods. (Note that public fields are not visible directly; you must
+ write a getter method for them.) Public methods are also retrievable
+ through the hash model as template method models, therefore you can
+ use the <code class="inline-code">model.doBar()</code> to invoke
+ <code class="inline-code">object.doBar()</code>. More on this on discussion of
+ method model functionality.</p>
+
+ <p>If the requested key can not be mapped to a bean property or
+ method, the framework will attempt to locate the so-called "generic
+ get method", that is a method with signature public
+ <code class="inline-code"><em class="code-color">any-return-type</em>
+ get(String)</code> or public
+ <code class="inline-code"><em class="code-color">any-return-type</em>
+ get(Object)</code> and invoke that method with the requested key.
+ Note that this allows convenient access to mappings in a
+ <code class="inline-code">java.util.Map</code> and similar classes - as long as
+ the keys of the map are <code class="inline-code">String</code>s and some property
+ or method name does not shadow the mapping. (There is a solution to
+ avoid shadowing, read on.) Also note that the models for
+ <code class="inline-code">java.util.ResourceBundle</code> objects use the
+ <code class="inline-code">getObject(String)</code> as the generic get
+ method.</p>
+
+ <p>If you call <code class="inline-code">setExposeFields(true)</code> on a
+ <code class="inline-code">BeansWrapper</code> instance, it will also expose
+ public, non-static fields of classes as hash keys and values. I.e.
+ if <code class="inline-code">foo</code> is a public, non-static field of the class
+ <code class="inline-code">Bar</code>, and <code class="inline-code">bar</code> is a template
+ variable wrapping an instance of <code class="inline-code">Bar</code>, then
+ <code class="inline-code">bar.foo</code> expression will evaluate as the value of
+ the field <code class="inline-code">foo</code> of the <code class="inline-code">bar</code>
+ object. The public fields in all superclasses of the class are also
+ exposed.</p>
+
+
+
+
+
+<h2 class="content-header header-section2" id="autoid_54">A word on security</h2>
+
+
+ <p>By default, you will not be able to access several methods
+ that are considered not safe for templating. For instance, you can't
+ use synchronization methods (<code class="inline-code">wait</code>,
+ <code class="inline-code">notify</code>, <code class="inline-code">notifyAll</code>), thread and
+ thread group management methods (<code class="inline-code">stop</code>,
+ <code class="inline-code">suspend</code>, <code class="inline-code">resume</code>,
+ <code class="inline-code">setDaemon</code>, <code class="inline-code">setPriority</code>),
+ reflection (<code class="inline-code">Field</code>
+ <code class="inline-code">set<em class="code-color">Xxx</em></code> methods,
+ <code class="inline-code">Method.invoke</code>,
+ <code class="inline-code">Constructor.newInstance</code>,
+ <code class="inline-code">Class.newInstance</code>,
+ <code class="inline-code">Class.getClassLoader</code> etc.) and various dangerous
+ methods in <code class="inline-code">System</code> and <code class="inline-code">Runtime</code>
+ classes (<code class="inline-code">exec</code>, <code class="inline-code">exit</code>,
+ <code class="inline-code">halt</code>, <code class="inline-code">load</code>, etc.). The
+ <code class="inline-code">BeansWrapper</code> has several security levels (called
+ "levels of method exposure"), and the default called
+ <code class="inline-code">EXPOSE_SAFE</code> is probably suited for most
+ applications. There is a no-safeguard level called
+ <code class="inline-code">EXPOSE_ALL</code> that allows you to call even the above
+ unsafe methods, and a strict level
+ <code class="inline-code">EXPOSE_PROPERTIES_ONLY</code> that will expose only bean
+ property getters. Finally, there is a level named
+ <code class="inline-code">EXPOSE_NOTHING</code> that will expose no properties and
+ no methods. The only data you will be able to access through hash
+ model interface in this case are items in maps and resource bundles,
+ as well as objects returned from a call to generic
+ <code class="inline-code">get(Object)</code> or <code class="inline-code">get(String)</code>
+ methods - provided the affected objects have such method.</p>
+
+
+
+
+
+<h2 class="content-header header-section2" id="autoid_55">TemplateScalarModel functionality</h2>
+
+
+ <p>Models for <code class="inline-code">java.lang.String</code> objects will
+ implement <code class="inline-code">TemplateScalarModel</code> whose
+ <code class="inline-code">getAsString()</code> method simply delegates to
+ <code class="inline-code">toString()</code>. Note that wrapping
+ <code class="inline-code">String</code> objects into Bean wrappers provides much
+ more functionality than just them being scalars: because of the hash
+ interface described above, the models that wrap
+ <code class="inline-code">String</code>s also provide access to all
+ <code class="inline-code">String</code> methods (<code class="inline-code">indexOf</code>,
+ <code class="inline-code">substring</code>, etc.), though most of them has native
+ FreeMarker equivalent which are better to use
+ (<code class="inline-code">s?index_of(n)</code>,
+ <code class="inline-code">s[start..<end]</code>, etc).</p>
+
+
+
+
+
+<h2 class="content-header header-section2" id="autoid_56">TemplateNumberModel functionality</h2>
+
+
+ <p>Model wrappers for objects that are instances of
+ <code class="inline-code">java.lang.Number</code> implement
+ <code class="inline-code">TemplateNumberModel</code> whose
+ <code class="inline-code">getAsNumber()</code> method returns the wrapped number
+ object. Note that wrapping <code class="inline-code">Number</code> objects into
+ Bean wrappers provides much more functionality than just them being
+ number models: because of the hash interface described above, the
+ models that wrap <code class="inline-code">Number</code>s also provide access to
+ all their methods.</p>
+
+
+
+
+
+<h2 class="content-header header-section2" id="autoid_57">TemplateCollectionModel functionality</h2>
+
+
+ <p>Model wrappers for native Java arrays and all classes that
+ implement <code class="inline-code">java.util.Collection</code> will implement
+ <code class="inline-code">TemplateCollectionModel</code> and thus gain the
+ additional capability of being usable through
+ <code class="inline-code">list</code> directive.</p>
+
+
+
+
+
+<h2 class="content-header header-section2" id="autoid_58">TemplateSequenceModel functionality</h2>
+
+
+ <p>Model wrappers for native Java arrays and all classes that
+ implement <code class="inline-code">java.util.List</code> will implement
+ <code class="inline-code">TemplateSequenceModel</code> and thus their elements
+ will be accessible by index using the <code class="inline-code">model[i]</code>
+ syntax. You can also query the length of the array or the size of
+ the list using the <code class="inline-code">model?size</code> built-in.</p>
+
+ <p>Also, every method that takes a single parameter that is
+ assignable through reflective method invocation from a
+ <code class="inline-code">java.lang.Integer</code> (these are
+ <code class="inline-code">int</code>, <code class="inline-code">long</code>,
+ <code class="inline-code">float</code>, <code class="inline-code">double</code>,
+ <code class="inline-code">java.lang.Object</code>,
+ <code class="inline-code">java.lang.Number</code>, and
+ <code class="inline-code">java.lang.Integer</code>) also implements this
+ interface. What this means is that you have a convenient way for
+ accessing the so-called indexed bean properties:
+ <code class="inline-code">model.foo[i]</code> will translate into
+ <code class="inline-code">obj.getFoo(i)</code>.</p>
+
+
+
+
+
+<h2 class="content-header header-section2" id="beanswrapper_method">TemplateMethodModel functionality</h2>
+
+
+ <p>All methods of an object are represented as
+ <code class="inline-code">TemplateMethodModelEx</code> objects accessible using a
+ hash key with method name on their object's model. When you call a
+ method using
+ <code class="inline-code">model.<em class="code-color">method</em>(<em class="code-color">arg1</em>,
+ <em class="code-color">arg2</em>,
+ <em class="code-color">...</em>)</code> the arguments are passed
+ to the method as template models. The method will first try to
+ unwrap them - see below for details about unwrapping. These
+ unwrapped arguments are then used for the actual method call. In
+ case the method is overloaded, the most specific method will be
+ selected using the same rules that are used by the Java compiler to
+ select a method from several overloaded methods. In case that no
+ method signature matches the passed parameters, or that no method
+ can be chosen without ambiguity, a
+ <code class="inline-code">TemplateModelException</code> is thrown.</p>
+
+ <p>Methods of return type <code class="inline-code">void</code> return
+ <code class="inline-code">TemplateModel.NOTHING</code>, so they can be safely
+ called with the <code class="inline-code">${obj.method(args)}</code>
+ syntax.</p>
+
+ <p>Models for instances of <code class="inline-code">java.util.Map</code> also
+ implement <code class="inline-code">TemplateMethodModelEx</code> as a means for
+ invoking their <code class="inline-code">get()</code> method. As it was discussed
+ previously, you can use the hash functionality to access the "get"
+ method as well, but it has several drawbacks: it's slower because
+ first property and method names are checked for the key; keys that
+ conflict with property and method names will be shadowed by them;
+ finally you can use <code class="inline-code">String</code> keys only with that
+ approach. In contrast, invoking <code class="inline-code">model(key)</code>
+ translates to <code class="inline-code">model.get(key)</code> directly: it's
+ faster because there's no property and method name lookup; it is
+ subject to no shadowing; and finally it works for non-String keys
+ since the argument is unwrapped just as with ordinary method calls.
+ In effect, <code class="inline-code">model(key)</code> on a <code class="inline-code">Map</code>
+ is equal to <code class="inline-code">model.get(key)</code>, only shorter to
+ write.</p>
+
+ <p>Models for <code class="inline-code">java.util.ResourceBundle</code> also
+ implement <code class="inline-code">TemplateMethodModelEx</code> as a convenient
+ way of resource access and message formatting. A single-argument
+ call to a bundle will retrieve the resource with the name that
+ corresponds to the <code class="inline-code">toString()</code> value of the
+ unwrapped argument. A multiple-argument call to a bundle will also
+ retrieve the resource with the name that corresponds to the
+ <code class="inline-code">toString()</code> value of the unwrapped argument, but
+ it will use it as a format pattern and pass it to
+ <code class="inline-code">java.text.MessageFormat</code> using the unwrapped
+ values of second and later arguments as formatting parameters.
+ <code class="inline-code">MessageFormat</code> objects will be initialized with
+ the locale of the bundle that originated them.</p>
+
+
+
+
+
+<h2 class="content-header header-section2" id="autoid_59">Unwrapping rules</h2>
+
+
+ <p>When invoking a Java method from a template, its arguments
+ need to be converted from template models back to Java objects.
+ Assuming that the target type (the declared type of the method's
+ formal parameter) is denoted as <code class="inline-code">T</code>, the following
+ rules are tried in the following order:</p>
+
+ <ul>
+ <li>
+ <p>If the model is the null model for this wrapper, Java
+ <code class="inline-code">null</code> is returned.</p>
+ </li>
+
+ <li>
+ <p>If the model implements
+ <code class="inline-code">AdapterTemplateModel</code>, the result of
+ <code class="inline-code">model.getAdaptedObject(T)</code> is returned if it
+ is instance of <code class="inline-code">T</code> or it is a number and can be
+ converted to <code class="inline-code">T</code> using numeric coercion as
+ described three bullets lower. <span class="marked-for-programmers">All
+ models created by the BeansWrapper are themselves
+ AdapterTemplateModel implementations, so unwrapping a model that
+ was created by BeansWrapper for an underlying Java object always
+ yields the original Java object.</span></p>
+ </li>
+
+ <li>
+ <p>If the model implements the deprecated
+ <code class="inline-code">WrapperTemplateModel</code>, the result of
+ <code class="inline-code">model.getWrappedObject()</code> is returned if it is
+ instance of <code class="inline-code">T</code> or it is a number and can be
+ converted to <code class="inline-code">T</code> using numeric coercion as
+ described two bullets lower.</p>
+ </li>
+
+ <li>
+ <p>If <code class="inline-code">T</code> is
+ <code class="inline-code">java.lang.String</code>, then if model implements
+ <code class="inline-code">TemplateScalarModel</code> its string value is
+ returned. <span class="marked-for-programmers">Note that if the model
+ doesn't implement TemplateScalarModel we don't attempt to
+ automatically convert the model to string using
+ String.valueOf(model). You'll have to use the ?string built-in
+ explicitly to pass non-scalars as strings.</span></p>
+ </li>
+
+ <li>
+ <p>If <code class="inline-code">T</code> is a primitive numeric type or
+ <code class="inline-code">java.lang.Number</code> is assignable from
+ <code class="inline-code">T</code>, and model implements
+ <code class="inline-code">TemplateNumberModel</code>, then its numeric value
+ is returned if it is instance of <code class="inline-code">T</code> or its
+ boxing type (if <code class="inline-code">T</code> is primitive type).
+ Otherwise, if <code class="inline-code">T</code> is a built-in Java numeric
+ type (primitive type or a standard subclass of
+ <code class="inline-code">java.lang.Number</code>, including
+ <code class="inline-code">BigInteger</code> and <code class="inline-code">BigDecimal</code>)
+ a new object of class <code class="inline-code">T</code> or its boxing type is
+ created with the number model's appropriately coerced
+ value.</p>
+ </li>
+
+ <li>
+ <p>If <code class="inline-code">T</code> is <code class="inline-code">boolean</code> or
+ <code class="inline-code">java.lang.Boolean</code>, and model implements
+ <code class="inline-code">TemplateBooleanModel</code>, then its boolean value
+ is returned.</p>
+ </li>
+
+ <li>
+ <p>If <code class="inline-code">T</code> is
+ <code class="inline-code">java.util.Map</code> and the model implements
+ <code class="inline-code">TemplateHashModel</code>, then a special Map
+ representation of the hash model is returned.</p>
+ </li>
+
+ <li>
+ <p>If <code class="inline-code">T</code> is
+ <code class="inline-code">java.util.List</code> and the model implements
+ <code class="inline-code">TemplateSequenceModel</code>, then a special List
+ representation of the sequence model is returned.</p>
+ </li>
+
+ <li>
+ <p>If <code class="inline-code">T</code> is
+ <code class="inline-code">java.util.Set</code> and the model implements
+ <code class="inline-code">TemplateCollectionModel</code>, then a special Set
+ representation of the collection model is returned.</p>
+ </li>
+
+ <li>
+ <p>If <code class="inline-code">T</code> is
+ <code class="inline-code">java.util.Collection</code> or
+ <code class="inline-code">java.lang.Iterable</code> and the model implements
+ either <code class="inline-code">TemplateCollectionModel</code> or
+ <code class="inline-code">TemplateSequenceModel</code>, then a special Set or
+ List representation of the collection or sequence model
+ (respectively) is returned.</p>
+ </li>
+
+ <li>
+ <p>If <code class="inline-code">T</code> is a Java array type and the model
+ implements <code class="inline-code">TemplateSequenceModel</code>, then a new
+ array of the specified type is created and its elements
+ unwrapped into the array recursively using the array's component
+ type as <code class="inline-code">T</code>.</p>
+ </li>
+
+ <li>
+ <p>If <code class="inline-code">T</code> is <code class="inline-code">char</code> or
+ <code class="inline-code">java.lang.Character</code>, and model implements
+ <code class="inline-code">TemplateScalarModel</code>, and its string
+ representation contains exactly one character, then a
+ <code class="inline-code">java.lang.Character</code> with that value is
+ retured.</p>
+ </li>
+
+ <li>
+ <p>If <code class="inline-code">java.util.Date</code> is assignable from
+ <code class="inline-code">T</code>, and model implements
+ <code class="inline-code">TemplateDateModel</code>, and its date value is
+ instance of <code class="inline-code">T</code>, then its date value is
+ returned.</p>
+ </li>
+
+ <li>
+ <p>If model is a number model, and its numeric value is
+ instance of <code class="inline-code">T</code>, the numeric value is returned.
+ <span class="marked-for-programmers">You can have a custom subclass of
+ java.lang.Number that implements a custom interface, and T might
+ be that interface. (*)</span></p>
+ </li>
+
+ <li>
+ <p>If model is a date model, and its date value is instance
+ of <code class="inline-code">T</code>, the date value is returned. <span class="marked-for-programmers">Similar consideration as for
+ (*)</span></p>
+ </li>
+
+ <li>
+ <p>If model is a scalar model, and <code class="inline-code">T</code> is
+ assignable from <code class="inline-code">java.lang.String</code>, the string
+ value is returned. <span class="marked-for-programmers">This covers
+ cases when T is java.lang.Object, java.lang.Comparable, and
+ java.io.Serializable (**)</span></p>
+ </li>
+
+ <li>
+ <p>If model is a boolean model, and <code class="inline-code">T</code> is
+ assignable from <code class="inline-code">java.lang.Boolean</code>, the
+ boolean value is returned. <span class="marked-for-programmers">Same as
+ (**)</span></p>
+ </li>
+
+ <li>
+ <p>If model is a hash model, and <code class="inline-code">T</code> is
+ assignable from
+ <code class="inline-code">freemarker.ext.beans.HashAdapter</code>, a hash
+ adapter is returned. <span class="marked-for-programmers">Same as
+ (**)</span></p>
+ </li>
+
+ <li>
+ <p>If model is a sequence model, and <code class="inline-code">T</code> is
+ assignable from
+ <code class="inline-code">freemarker.ext.beans.SequenceAdapter</code>, a
+ sequence adapter is returned. <span class="marked-for-programmers">Same
+ as (**)</span></p>
+ </li>
+
+ <li>
+ <p>If model is a collection model, and <code class="inline-code">T</code>
+ is assignable from
+ <code class="inline-code">freemarker.ext.beans.SetAdapter</code>, a set
+ adapter for the collection is returned. <span class="marked-for-programmers">Same as (**)</span></p>
+ </li>
+
+ <li>
+ <p>If the model is instance of <code class="inline-code">T</code>, the
+ model itself is returned. <span class="marked-for-programmers">This
+ covers the case where the method explicitly declared a
+ FreeMarker-specific model interface, as well as allows returning
+ directive, method and transform models when java.lang.Object is
+ requested.</span></p>
+ </li>
+
+ <li>
+ <p>An exception signifying no conversion is possible is
+ thrown.</p>
+ </li>
+ </ul>
+
+
+
+
+
+<h2 class="content-header header-section2" id="autoid_60">Accessing static methods</h2>
+
+
+
+
+ <p>The <code class="inline-code">TemplateHashModel</code> returned from
+ <code class="inline-code">BeansWrapper.getStaticModels()</code> can be used to
+ create hash models for accessing static methods and fields of an
+ arbitrary class.</p>
+
+
+
+<div class="code-wrapper"><pre class="code-block code-unspecified">BeansWrapper wrapper = BeansWrapper.getDefaultInstance();
+TemplateHashModel staticModels = wrapper.getStaticModels();
+TemplateHashModel fileStatics =
+ (TemplateHashModel) staticModels.get("java.io.File");</pre></div>
+
+ <p>And you will get a template hash model that exposes all static
+ methods and static fields (both final and non-final) of the
+ <code class="inline-code">java.lang.System</code> class as hash keys. Suppose that
+ you put the previous model in your root model:</p>
+
+
+
+<div class="code-wrapper"><pre class="code-block code-unspecified">root.put("File", fileStatics);</pre></div>
+
+ <p>From now on, you can use <code class="inline-code">${File.SEPARATOR}</code>
+ to insert the file separator character into your template, or you
+ can even list all roots of your file system by:</p>
+
+
+
+<div class="code-wrapper"><pre class="code-block code-template"><#list File.listRoots() as fileSystemRoot>...</#list></pre></div>
+
+ <p>Of course, you must be aware of the potential security issues
+ this model brings.</p>
+
+ <p>You can even give the template authors complete freedom over
+ which classes' static methods they use by placing the static models
+ hash into your template root model with</p>
+
+
+
+<div class="code-wrapper"><pre class="code-block code-unspecified">root.put("statics", BeansWrapper.getDefaultInstance().getStaticModels());</pre></div>
+
+ <p>This object exposes just about any class' static methods if
+ it's used as a hash with class name as the key. You can then use
+ expression like
+ <code class="inline-code">${statics["java.lang.System"].currentTimeMillis()}</code>
+ in your template. Note, however that this has even more security
+ implications, as someone could even invoke
+ <code class="inline-code">System.exit()</code> using this model if the method
+ exposure level is weakened to <code class="inline-code">EXPOSE_ALL</code>.</p>
+
+ <p>Note that in above examples, we always use the default
+ <code class="inline-code">BeansWrapper</code> instance. This is a convenient
+ static wrapper instance that you can use in most cases. You are also
+ free to create your own <code class="inline-code">BeansWrapper</code> instances
+ and use them instead especially when you want to modify some of its
+ characteristics (like model caching, security level, or the null
+ model representation).</p>
+
+
+
+
+
+<h2 class="content-header header-section2" id="jdk_15_enums">Accessing enums</h2>
+
+
+
+
+ <p>The <code class="inline-code">TemplateHashModel</code> returned from
+ <code class="inline-code">BeansWrapper.getEnumModels()</code> can be used to
+ create hash models for accessing values of enums on JRE 1.5 or
+ later. (An attempt to invoke this method on an earlier JRE will
+ result in an
+ <code class="inline-code">UnsupportedOperationException</code>.)</p>
+
+
+
+<div class="code-wrapper"><pre class="code-block code-unspecified">BeansWrapper wrapper = BeansWrapper.getDefaultInstance();
+TemplateHashModel enumModels = wrapper.getEnumModels();
+TemplateHashModel roundingModeEnums =
+ (TemplateHashModel) enumModels.get("java.math.RoundingMode");</pre></div>
+
+ <p>And you will get a template hash model that exposes all enum
+ values of the <code class="inline-code">java.math.RoundingMode</code> class as
+ hash keys. Suppose that you put the previous model in your root
+ model:</p>
+
+
+
+<div class="code-wrapper"><pre class="code-block code-unspecified">root.put("RoundingMode", roundingModeEnums);</pre></div>
+
+ <p>From now on, you can use <code class="inline-code">RoundingMode.UP</code> as
+ an expression to reference the <code class="inline-code">UP</code> enum value in
+ your template.</p>
+
+ <p>You can even give the template authors complete freedom over
+ which enum classes they use by placing the enum models hash into
+ your template root model with</p>
+
+
+
+<div class="code-wrapper"><pre class="code-block code-unspecified">root.put("enums", BeansWrapper.getDefaultInstance().getEnumModels());</pre></div>
+
+ <p>This object exposes any enum class if it's used as a hash with
+ class name as the key. You can then use expression like
+ <code class="inline-code">${enums["java.math.RoundingMode"].UP}</code> in your
+ template.</p>
+
+ <p>The exposed enum values can be used as scalars (they'll
+ delegate to their <code class="inline-code">toString()</code> method), and can be
+ used in equality and inequality comparisons as well.</p>
+
+ <p>Note that in above examples, we always use the default
+ <code class="inline-code">BeansWrapper</code> instance. This is a convenient
+ static wrapper instance that you can use in most cases. You are also
+ free to create your own <code class="inline-code">BeansWrapper</code> instances
+ and use them instead especially when you want to modify some of its
+ characteristics (like model caching, security level, or the null
+ model representation).</p>
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