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<h2 title="Interface TemplateClassResolver" class="title">Interface TemplateClassResolver</h2>
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<dd><a href="../../freemarker/core/OptInTemplateClassResolver.html" title="class in freemarker.core">OptInTemplateClassResolver</a></dd>
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<pre>public interface <span class="typeNameLabel">TemplateClassResolver</span></pre>
<div class="block">Used by built-ins and other template language features that get a class
based on a string. This can be handy both for implementing security
restrictions and for working around local class-loader issues.
The implementation should be thread-safe, unless an
instance is always only used in a single <a href="../../freemarker/core/Environment.html" title="class in freemarker.core"><code>Environment</code></a> object.</div>
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<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.3.17</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../freemarker/core/Configurable.html#setNewBuiltinClassResolver-freemarker.core.TemplateClassResolver-"><code>Configurable.setNewBuiltinClassResolver(TemplateClassResolver)</code></a></dd>
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<td class="colFirst"><code>static <a href="../../freemarker/core/TemplateClassResolver.html" title="interface in freemarker.core">TemplateClassResolver</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../freemarker/core/TemplateClassResolver.html#ALLOWS_NOTHING_RESOLVER">ALLOWS_NOTHING_RESOLVER</a></span></code>
<div class="block">Doesn't allow resolving any classes.</div>
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<td class="colFirst"><code>static <a href="../../freemarker/core/TemplateClassResolver.html" title="interface in freemarker.core">TemplateClassResolver</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../freemarker/core/TemplateClassResolver.html#SAFER_RESOLVER">SAFER_RESOLVER</a></span></code>
<div class="block">Same as <a href="../../freemarker/core/TemplateClassResolver.html#UNRESTRICTED_RESOLVER"><code>UNRESTRICTED_RESOLVER</code></a>, except that it doesn't allow
resolving <a href="../../freemarker/template/utility/ObjectConstructor.html" title="class in freemarker.template.utility"><code>ObjectConstructor</code></a> and <a href="../../freemarker/template/utility/Execute.html" title="class in freemarker.template.utility"><code>Execute</code></a> and <code>freemarker.template.utility.JythonRuntime</code>.</div>
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<td class="colFirst"><code>static <a href="../../freemarker/core/TemplateClassResolver.html" title="interface in freemarker.core">TemplateClassResolver</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../freemarker/core/TemplateClassResolver.html#UNRESTRICTED_RESOLVER">UNRESTRICTED_RESOLVER</a></span></code>
<div class="block">Simply calls <a href="../../freemarker/template/utility/ClassUtil.html#forName-java.lang.String-"><code>ClassUtil.forName(String)</code></a>.</div>
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<td class="colFirst"><code>java.lang.Class</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../freemarker/core/TemplateClassResolver.html#resolve-java.lang.String-freemarker.core.Environment-freemarker.template.Template-">resolve</a></span>(java.lang.String&nbsp;className,
<a href="../../freemarker/core/Environment.html" title="class in freemarker.core">Environment</a>&nbsp;env,
<a href="../../freemarker/template/Template.html" title="class in freemarker.template">Template</a>&nbsp;template)</code>
<div class="block">Gets a <code>Class</code> based on the class name.</div>
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<h4>UNRESTRICTED_RESOLVER</h4>
<pre>static final&nbsp;<a href="../../freemarker/core/TemplateClassResolver.html" title="interface in freemarker.core">TemplateClassResolver</a> UNRESTRICTED_RESOLVER</pre>
<div class="block">Simply calls <a href="../../freemarker/template/utility/ClassUtil.html#forName-java.lang.String-"><code>ClassUtil.forName(String)</code></a>.</div>
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<h4>SAFER_RESOLVER</h4>
<pre>static final&nbsp;<a href="../../freemarker/core/TemplateClassResolver.html" title="interface in freemarker.core">TemplateClassResolver</a> SAFER_RESOLVER</pre>
<div class="block">Same as <a href="../../freemarker/core/TemplateClassResolver.html#UNRESTRICTED_RESOLVER"><code>UNRESTRICTED_RESOLVER</code></a>, except that it doesn't allow
resolving <a href="../../freemarker/template/utility/ObjectConstructor.html" title="class in freemarker.template.utility"><code>ObjectConstructor</code></a> and <a href="../../freemarker/template/utility/Execute.html" title="class in freemarker.template.utility"><code>Execute</code></a> and <code>freemarker.template.utility.JythonRuntime</code>.</div>
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<h4>ALLOWS_NOTHING_RESOLVER</h4>
<pre>static final&nbsp;<a href="../../freemarker/core/TemplateClassResolver.html" title="interface in freemarker.core">TemplateClassResolver</a> ALLOWS_NOTHING_RESOLVER</pre>
<div class="block">Doesn't allow resolving any classes.</div>
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<h4>resolve</h4>
<pre>java.lang.Class&nbsp;resolve(java.lang.String&nbsp;className,
<a href="../../freemarker/core/Environment.html" title="class in freemarker.core">Environment</a>&nbsp;env,
<a href="../../freemarker/template/Template.html" title="class in freemarker.template">Template</a>&nbsp;template)
throws <a href="../../freemarker/template/TemplateException.html" title="class in freemarker.template">TemplateException</a></pre>
<div class="block">Gets a <code>Class</code> based on the class name.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>className</code> - the full-qualified class name</dd>
<dd><code>env</code> - the environment in which the template executes</dd>
<dd><code>template</code> - the template where the operation that require the
class resolution resides in. This is <code>null</code> if the
call doesn't come from a template.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../freemarker/template/TemplateException.html" title="class in freemarker.template">TemplateException</a></code> - if the class can't be found or shouldn't be
accessed from a template for security reasons.</dd>
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