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<div class="subTitle">org.apache.tools.ant.util</div>
<h2 title="Class ReflectUtil" class="title">Class ReflectUtil</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<ul class="inheritance">
<li>org.apache.tools.ant.util.ReflectUtil</li>
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<pre>public class <span class="strong">ReflectUtil</span>
extends java.lang.Object</pre>
<div class="block">Utility class to handle reflection on java objects.
 The class contains static methods to call reflection
 methods, catch any exceptions, converting them
 to BuildExceptions.</div>
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<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/util/ReflectUtil.html#getField(java.lang.Object, java.lang.String)">getField</a></strong>(java.lang.Object&nbsp;obj,
        java.lang.String&nbsp;fieldName)</code>
<div class="block">Get the value of a field in an object.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/util/ReflectUtil.html#invoke(java.lang.Object, java.lang.String)">invoke</a></strong>(java.lang.Object&nbsp;obj,
      java.lang.String&nbsp;methodName)</code>
<div class="block">Call a method on the object with no parameters.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/util/ReflectUtil.html#invoke(java.lang.Object, java.lang.String, java.lang.Class, java.lang.Object)">invoke</a></strong>(java.lang.Object&nbsp;obj,
      java.lang.String&nbsp;methodName,
      java.lang.Class&nbsp;argType,
      java.lang.Object&nbsp;arg)</code>
<div class="block">Call a method on the object with one argument.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/util/ReflectUtil.html#invoke(java.lang.Object, java.lang.String, java.lang.Class, java.lang.Object, java.lang.Class, java.lang.Object)">invoke</a></strong>(java.lang.Object&nbsp;obj,
      java.lang.String&nbsp;methodName,
      java.lang.Class&nbsp;argType1,
      java.lang.Object&nbsp;arg1,
      java.lang.Class&nbsp;argType2,
      java.lang.Object&nbsp;arg2)</code>
<div class="block">Call a method on the object with two argument.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/util/ReflectUtil.html#invokeStatic(java.lang.Object, java.lang.String)">invokeStatic</a></strong>(java.lang.Object&nbsp;obj,
            java.lang.String&nbsp;methodName)</code>
<div class="block">Call a method on the object with no parameters.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/util/ReflectUtil.html#newInstance(java.lang.Class, java.lang.Class[], java.lang.Object[])">newInstance</a></strong>(java.lang.Class&nbsp;ofClass,
           java.lang.Class[]&nbsp;argTypes,
           java.lang.Object[]&nbsp;args)</code>
<div class="block">Create an instance of a class using the constructor matching
 the given arguments.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/util/ReflectUtil.html#respondsTo(java.lang.Object, java.lang.String)">respondsTo</a></strong>(java.lang.Object&nbsp;o,
          java.lang.String&nbsp;methodName)</code>
<div class="block">A method to test if an object responds to a given
 message (method call)</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/util/ReflectUtil.html#throwBuildException(java.lang.Exception)">throwBuildException</a></strong>(java.lang.Exception&nbsp;t)</code>
<div class="block">A method to convert an invocationTargetException to
 a buildexception and throw it.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/tools/ant/BuildException.html" title="class in org.apache.tools.ant">BuildException</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/util/ReflectUtil.html#toBuildException(java.lang.Exception)">toBuildException</a></strong>(java.lang.Exception&nbsp;t)</code>
<div class="block">A method to convert an invocationTargetException to
 a buildexception.</div>
</td>
</tr>
</table>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>newInstance</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;newInstance(java.lang.Class&nbsp;ofClass,
                           java.lang.Class[]&nbsp;argTypes,
                           java.lang.Object[]&nbsp;args)</pre>
<div class="block">Create an instance of a class using the constructor matching
 the given arguments.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>Ant 1.8.0</dd></dl>
</li>
</ul>
<a name="invoke(java.lang.Object, java.lang.String)">
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<h4>invoke</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invoke(java.lang.Object&nbsp;obj,
                      java.lang.String&nbsp;methodName)</pre>
<div class="block">Call a method on the object with no parameters.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>obj</code> - the object to invoke the method on.</dd><dd><code>methodName</code> - the name of the method to call</dd>
<dt><span class="strong">Returns:</span></dt><dd>the object returned by the method</dd></dl>
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<h4>invokeStatic</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeStatic(java.lang.Object&nbsp;obj,
                            java.lang.String&nbsp;methodName)</pre>
<div class="block">Call a method on the object with no parameters.
 Note: Unlike the invoke method above, this
 calls class or static methods, not instance methods.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>obj</code> - the object to invoke the method on.</dd><dd><code>methodName</code> - the name of the method to call</dd>
<dt><span class="strong">Returns:</span></dt><dd>the object returned by the method</dd></dl>
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<h4>invoke</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invoke(java.lang.Object&nbsp;obj,
                      java.lang.String&nbsp;methodName,
                      java.lang.Class&nbsp;argType,
                      java.lang.Object&nbsp;arg)</pre>
<div class="block">Call a method on the object with one argument.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>obj</code> - the object to invoke the method on.</dd><dd><code>methodName</code> - the name of the method to call</dd><dd><code>argType</code> - the type of argument.</dd><dd><code>arg</code> - the value of the argument.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the object returned by the method</dd></dl>
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<h4>invoke</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invoke(java.lang.Object&nbsp;obj,
                      java.lang.String&nbsp;methodName,
                      java.lang.Class&nbsp;argType1,
                      java.lang.Object&nbsp;arg1,
                      java.lang.Class&nbsp;argType2,
                      java.lang.Object&nbsp;arg2)</pre>
<div class="block">Call a method on the object with two argument.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>obj</code> - the object to invoke the method on.</dd><dd><code>methodName</code> - the name of the method to call</dd><dd><code>argType1</code> - the type of the first argument.</dd><dd><code>arg1</code> - the value of the first argument.</dd><dd><code>argType2</code> - the type of the second argument.</dd><dd><code>arg2</code> - the value of the second argument.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the object returned by the method</dd></dl>
</li>
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<a name="getField(java.lang.Object, java.lang.String)">
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<h4>getField</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;getField(java.lang.Object&nbsp;obj,
                        java.lang.String&nbsp;fieldName)
                                 throws <a href="../../../../../org/apache/tools/ant/BuildException.html" title="class in org.apache.tools.ant">BuildException</a></pre>
<div class="block">Get the value of a field in an object.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>obj</code> - the object to look at.</dd><dd><code>fieldName</code> - the name of the field in the object.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value of the field.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/tools/ant/BuildException.html" title="class in org.apache.tools.ant">BuildException</a></code> - if there is an error.</dd></dl>
</li>
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<h4>throwBuildException</h4>
<pre>public static&nbsp;void&nbsp;throwBuildException(java.lang.Exception&nbsp;t)
                                throws <a href="../../../../../org/apache/tools/ant/BuildException.html" title="class in org.apache.tools.ant">BuildException</a></pre>
<div class="block">A method to convert an invocationTargetException to
 a buildexception and throw it.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>t</code> - the invocation target exception.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/tools/ant/BuildException.html" title="class in org.apache.tools.ant">BuildException</a></code> - the converted exception.</dd></dl>
</li>
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<a name="toBuildException(java.lang.Exception)">
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<h4>toBuildException</h4>
<pre>public static&nbsp;<a href="../../../../../org/apache/tools/ant/BuildException.html" title="class in org.apache.tools.ant">BuildException</a>&nbsp;toBuildException(java.lang.Exception&nbsp;t)</pre>
<div class="block">A method to convert an invocationTargetException to
 a buildexception.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>t</code> - the invocation target exception.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the converted exception.</dd><dt><span class="strong">Since:</span></dt>
  <dd>ant 1.7.1</dd></dl>
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<h4>respondsTo</h4>
<pre>public static&nbsp;boolean&nbsp;respondsTo(java.lang.Object&nbsp;o,
                 java.lang.String&nbsp;methodName)
                          throws <a href="../../../../../org/apache/tools/ant/BuildException.html" title="class in org.apache.tools.ant">BuildException</a></pre>
<div class="block">A method to test if an object responds to a given
 message (method call)</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>o</code> - the object</dd><dd><code>methodName</code> - the method to check for</dd>
<dt><span class="strong">Returns:</span></dt><dd>true if the object has the method.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/tools/ant/BuildException.html" title="class in org.apache.tools.ant">BuildException</a></code> - if there is a problem.</dd></dl>
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