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<ul class="subNavList">
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<li>Summary: </li>
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<div class="subTitle">com.comphenix.protocol.reflect</div>
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<h2 title="Class MethodUtils" class="title">Class MethodUtils</h2>
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<ul class="inheritance">
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<li>java.lang.Object</li>
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<li>com.comphenix.protocol.reflect.MethodUtils</li>
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<pre>public class <span class="strong">MethodUtils</span>
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extends java.lang.Object</pre>
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<div class="block"><p> Utility reflection methods focussed on methods in general rather than properties in particular. </p>
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<h3>Known Limitations</h3>
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<h4>Accessing Public Methods In A Default Access Superclass</h4>
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<p>There is an issue when invoking public methods contained in a default access superclass.
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Reflection locates these methods fine and correctly assigns them as public.
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However, an <code>IllegalAccessException</code> is thrown if the method is invoked.</p>
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<p><code>MethodUtils</code> contains a workaround for this situation.
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It will attempt to call <code>setAccessible</code> on this method.
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If this call succeeds, then the method can be invoked as normal.
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This call will only succeed when the application has sufficient security privilages.
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If this call fails then a warning will be logged and the method may fail.</p></div>
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<dl><dt><span class="strong">Author:</span></dt>
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<dd>Craig R. McClanahan, Ralph Schaer, Chris Audley, Rey François, Gregor Raýman, Jan Sorensen, Robert Burrell Donkin</dd></dl>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#MethodUtils()">MethodUtils</a></strong>()</code> </td>
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<h3>Method Summary</h3>
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<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
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<caption><span>Methods</span><span class="tabEnd"> </span></caption>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#clearCache()">clearCache</a></strong>()</code>
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<div class="block">Clear the method cache.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.lang.reflect.Method</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#getAccessibleMethod(java.lang.Class, java.lang.reflect.Method)">getAccessibleMethod</a></strong>(java.lang.Class clazz,
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java.lang.reflect.Method method)</code>
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<div class="block">Return an accessible method (that is, one that can be invoked via
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reflection) that implements the specified Method.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static java.lang.reflect.Method</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#getAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])">getAccessibleMethod</a></strong>(java.lang.Class clazz,
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java.lang.String methodName,
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java.lang.Class[] parameterTypes)</code>
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<div class="block">Return an accessible method (that is, one that can be invoked via
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reflection) with given name and parameters.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.lang.reflect.Method</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#getAccessibleMethod(java.lang.reflect.Method)">getAccessibleMethod</a></strong>(java.lang.reflect.Method method)</code>
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<div class="block">Return an accessible method (that is, one that can be invoked via
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reflection) that implements the specified Method.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static java.lang.reflect.Method</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#getMatchingAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])">getMatchingAccessibleMethod</a></strong>(java.lang.Class clazz,
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java.lang.String methodName,
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java.lang.Class[] parameterTypes)</code>
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<div class="block">Find an accessible method that matches the given name and has compatible parameters.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.lang.Class</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#getPrimitiveType(java.lang.Class)">getPrimitiveType</a></strong>(java.lang.Class wrapperType)</code>
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<div class="block">Gets the class for the primitive type corresponding to the primitive wrapper class given.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static java.lang.Class</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#getPrimitiveWrapper(java.lang.Class)">getPrimitiveWrapper</a></strong>(java.lang.Class primitiveType)</code>
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<div class="block">Gets the wrapper object class for the given primitive type class.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object)">invokeExactMethod</a></strong>(java.lang.Object object,
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java.lang.String methodName,
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java.lang.Object arg)</code>
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<div class="block">Invoke a method whose parameter type matches exactly the object
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type.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[])">invokeExactMethod</a></strong>(java.lang.Object object,
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java.lang.String methodName,
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java.lang.Object[] args)</code>
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<div class="block">Invoke a method whose parameter types match exactly the object
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types.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])">invokeExactMethod</a></strong>(java.lang.Object object,
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java.lang.String methodName,
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java.lang.Object[] args,
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java.lang.Class[] parameterTypes)</code>
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<div class="block">Invoke a method whose parameter types match exactly the parameter
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types given.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object)">invokeExactStaticMethod</a></strong>(java.lang.Class objectClass,
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java.lang.String methodName,
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java.lang.Object arg)</code>
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<div class="block">Invoke a static method whose parameter type matches exactly the object
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type.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])">invokeExactStaticMethod</a></strong>(java.lang.Class objectClass,
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java.lang.String methodName,
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java.lang.Object[] args)</code>
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<div class="block">Invoke a static method whose parameter types match exactly the object
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types.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])">invokeExactStaticMethod</a></strong>(java.lang.Class objectClass,
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java.lang.String methodName,
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java.lang.Object[] args,
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java.lang.Class[] parameterTypes)</code>
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<div class="block">Invoke a static method whose parameter types match exactly the parameter
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types given.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object)">invokeMethod</a></strong>(java.lang.Object object,
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java.lang.String methodName,
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java.lang.Object arg)</code>
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<div class="block">Invoke a named method whose parameter type matches the object type.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[])">invokeMethod</a></strong>(java.lang.Object object,
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java.lang.String methodName,
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java.lang.Object[] args)</code>
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<div class="block">Invoke a named method whose parameter type matches the object type.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])">invokeMethod</a></strong>(java.lang.Object object,
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java.lang.String methodName,
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java.lang.Object[] args,
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java.lang.Class[] parameterTypes)</code>
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<div class="block">Invoke a named method whose parameter type matches the object type.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object)">invokeStaticMethod</a></strong>(java.lang.Class objectClass,
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java.lang.String methodName,
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java.lang.Object arg)</code>
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<div class="block">Invoke a named static method whose parameter type matches the object type.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])">invokeStaticMethod</a></strong>(java.lang.Class objectClass,
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java.lang.String methodName,
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java.lang.Object[] args)</code>
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<div class="block">Invoke a named static method whose parameter type matches the object type.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static java.lang.Object</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])">invokeStaticMethod</a></strong>(java.lang.Class objectClass,
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java.lang.String methodName,
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java.lang.Object[] args,
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java.lang.Class[] parameterTypes)</code>
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<div class="block">Invoke a named static method whose parameter type matches the object type.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static boolean</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#isAssignmentCompatible(java.lang.Class, java.lang.Class)">isAssignmentCompatible</a></strong>(java.lang.Class parameterType,
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java.lang.Class parameterization)</code>
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<div class="block">Determine whether a type can be used as a parameter in a method invocation.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#setCacheMethods(boolean)">setCacheMethods</a></strong>(boolean cacheMethods)</code>
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<div class="block">Set whether methods should be cached for greater performance or not,
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default is <code>true</code>.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.lang.Class</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#toNonPrimitiveClass(java.lang.Class)">toNonPrimitiveClass</a></strong>(java.lang.Class clazz)</code>
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<div class="block">Find a non primitive representation for given primitive class.</div>
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</td>
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<h3>Methods inherited from class java.lang.Object</h3>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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</ul>
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<a name="MethodUtils()">
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<h4>MethodUtils</h4>
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<pre>public MethodUtils()</pre>
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<h3>Method Detail</h3>
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<h4>setCacheMethods</h4>
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<pre>public static void setCacheMethods(boolean cacheMethods)</pre>
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<div class="block">Set whether methods should be cached for greater performance or not,
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default is <code>true</code>.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>cacheMethods</code> - <code>true</code> if methods should be
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cached for greater performance, otherwise <code>false</code></dd><dt><span class="strong">Since:</span></dt>
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<dd>1.8.0</dd></dl>
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<h4>clearCache</h4>
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<pre>public static int clearCache()</pre>
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<div class="block">Clear the method cache.</div>
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<dl><dt><span class="strong">Returns:</span></dt><dd>the number of cached methods cleared</dd><dt><span class="strong">Since:</span></dt>
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<dd>1.8.0</dd></dl>
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<h4>invokeMethod</h4>
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<pre>public static java.lang.Object invokeMethod(java.lang.Object object,
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java.lang.String methodName,
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java.lang.Object arg)
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throws java.lang.NoSuchMethodException,
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java.lang.IllegalAccessException,
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java.lang.reflect.InvocationTargetException</pre>
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<div class="block"><p>Invoke a named method whose parameter type matches the object type.</p>
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|
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<p>The behaviour of this method is less deterministic
|
|
than <code>invokeExactMethod()</code>.
|
|
It loops through all methods with names that match
|
|
and then executes the first it finds with compatable parameters.</p>
|
|
|
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<p>This method supports calls to methods taking primitive parameters
|
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via passing in wrapping classes. So, for example, a <code>Boolean</code> class
|
|
would match a <code>boolean</code> primitive.</p>
|
|
|
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<p> This is a convenient wrapper for
|
|
<a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[])"><code>invokeMethod(Object object,String methodName,Object [] args)</code></a>.
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</p></div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>arg</code> - use this argument</dd>
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<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
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<dt><span class="strong">Throws:</span></dt>
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<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
|
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<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
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method invoked</dd>
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<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
|
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via reflection</dd></dl>
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<h4>invokeMethod</h4>
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<pre>public static java.lang.Object invokeMethod(java.lang.Object object,
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java.lang.String methodName,
|
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java.lang.Object[] args)
|
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throws java.lang.NoSuchMethodException,
|
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java.lang.IllegalAccessException,
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java.lang.reflect.InvocationTargetException</pre>
|
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<div class="block"><p>Invoke a named method whose parameter type matches the object type.</p>
|
|
|
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<p>The behaviour of this method is less deterministic
|
|
than <a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[])"><code>invokeExactMethod(Object object,String methodName,Object [] args)</code></a>.
|
|
It loops through all methods with names that match
|
|
and then executes the first it finds with compatable parameters.</p>
|
|
|
|
<p>This method supports calls to methods taking primitive parameters
|
|
via passing in wrapping classes. So, for example, a <code>Boolean</code> class
|
|
would match a <code>boolean</code> primitive.</p>
|
|
|
|
<p> This is a convenient wrapper for
|
|
<a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeMethod(Object object,String methodName,Object [] args,Class[] parameterTypes)</code></a>.
|
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</p></div>
|
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd>
|
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<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
|
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<dt><span class="strong">Throws:</span></dt>
|
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<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
|
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<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
|
|
method invoked</dd>
|
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<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
|
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via reflection</dd></dl>
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</li>
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</ul>
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<h4>invokeMethod</h4>
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<pre>public static java.lang.Object invokeMethod(java.lang.Object object,
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java.lang.String methodName,
|
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java.lang.Object[] args,
|
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java.lang.Class[] parameterTypes)
|
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throws java.lang.NoSuchMethodException,
|
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java.lang.IllegalAccessException,
|
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java.lang.reflect.InvocationTargetException</pre>
|
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<div class="block"><p>Invoke a named method whose parameter type matches the object type.</p>
|
|
|
|
<p>The behaviour of this method is less deterministic
|
|
than <a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeExactMethod(Object object,String methodName,Object [] args,Class[] parameterTypes)</code></a>.
|
|
It loops through all methods with names that match
|
|
and then executes the first it finds with compatable parameters.</p>
|
|
|
|
<p>This method supports calls to methods taking primitive parameters
|
|
via passing in wrapping classes. So, for example, a <code>Boolean</code> class
|
|
would match a <code>boolean</code> primitive.</p></div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd><dd><code>parameterTypes</code> - match these parameters - treat null as empty array</dd>
|
|
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
|
|
<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
|
|
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
|
|
method invoked</dd>
|
|
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
|
|
via reflection</dd></dl>
|
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</li>
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</ul>
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<a name="invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object)">
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<h4>invokeExactMethod</h4>
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<pre>public static java.lang.Object invokeExactMethod(java.lang.Object object,
|
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java.lang.String methodName,
|
|
java.lang.Object arg)
|
|
throws java.lang.NoSuchMethodException,
|
|
java.lang.IllegalAccessException,
|
|
java.lang.reflect.InvocationTargetException</pre>
|
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<div class="block"><p>Invoke a method whose parameter type matches exactly the object
|
|
type.</p>
|
|
|
|
<p> This is a convenient wrapper for
|
|
<a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[])"><code>invokeExactMethod(Object object,String methodName,Object [] args)</code></a>.
|
|
</p></div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>arg</code> - use this argument</dd>
|
|
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
|
|
<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
|
|
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
|
|
method invoked</dd>
|
|
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
|
|
via reflection</dd></dl>
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</ul>
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<h4>invokeExactMethod</h4>
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<pre>public static java.lang.Object invokeExactMethod(java.lang.Object object,
|
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java.lang.String methodName,
|
|
java.lang.Object[] args)
|
|
throws java.lang.NoSuchMethodException,
|
|
java.lang.IllegalAccessException,
|
|
java.lang.reflect.InvocationTargetException</pre>
|
|
<div class="block"><p>Invoke a method whose parameter types match exactly the object
|
|
types.</p>
|
|
|
|
<p> This uses reflection to invoke the method obtained from a call to
|
|
<code>getAccessibleMethod()</code>.</p></div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd>
|
|
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
|
|
<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
|
|
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
|
|
method invoked</dd>
|
|
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
|
|
via reflection</dd></dl>
|
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</li>
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</ul>
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<a name="invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])">
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<h4>invokeExactMethod</h4>
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<pre>public static java.lang.Object invokeExactMethod(java.lang.Object object,
|
|
java.lang.String methodName,
|
|
java.lang.Object[] args,
|
|
java.lang.Class[] parameterTypes)
|
|
throws java.lang.NoSuchMethodException,
|
|
java.lang.IllegalAccessException,
|
|
java.lang.reflect.InvocationTargetException</pre>
|
|
<div class="block"><p>Invoke a method whose parameter types match exactly the parameter
|
|
types given.</p>
|
|
|
|
<p>This uses reflection to invoke the method obtained from a call to
|
|
<code>getAccessibleMethod()</code>.</p></div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd><dd><code>parameterTypes</code> - match these parameters - treat null as empty array</dd>
|
|
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
|
|
<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
|
|
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
|
|
method invoked</dd>
|
|
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
|
|
via reflection</dd></dl>
|
|
</li>
|
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</ul>
|
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<a name="invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])">
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<h4>invokeExactStaticMethod</h4>
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<pre>public static java.lang.Object invokeExactStaticMethod(java.lang.Class objectClass,
|
|
java.lang.String methodName,
|
|
java.lang.Object[] args,
|
|
java.lang.Class[] parameterTypes)
|
|
throws java.lang.NoSuchMethodException,
|
|
java.lang.IllegalAccessException,
|
|
java.lang.reflect.InvocationTargetException</pre>
|
|
<div class="block"><p>Invoke a static method whose parameter types match exactly the parameter
|
|
types given.</p>
|
|
|
|
<p>This uses reflection to invoke the method obtained from a call to
|
|
<a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#getAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])"><code>getAccessibleMethod(Class, String, Class[])</code></a>.</p></div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd><dd><code>parameterTypes</code> - match these parameters - treat null as empty array</dd>
|
|
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
|
|
<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
|
|
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
|
|
method invoked</dd>
|
|
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
|
|
via reflection</dd><dt><span class="strong">Since:</span></dt>
|
|
<dd>1.8.0</dd></dl>
|
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</li>
|
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</ul>
|
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<a name="invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object)">
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<h4>invokeStaticMethod</h4>
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<pre>public static java.lang.Object invokeStaticMethod(java.lang.Class objectClass,
|
|
java.lang.String methodName,
|
|
java.lang.Object arg)
|
|
throws java.lang.NoSuchMethodException,
|
|
java.lang.IllegalAccessException,
|
|
java.lang.reflect.InvocationTargetException</pre>
|
|
<div class="block"><p>Invoke a named static method whose parameter type matches the object type.</p>
|
|
|
|
<p>The behaviour of this method is less deterministic
|
|
than <a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeExactMethod(Object, String, Object[], Class[])</code></a>.
|
|
It loops through all methods with names that match
|
|
and then executes the first it finds with compatable parameters.</p>
|
|
|
|
<p>This method supports calls to methods taking primitive parameters
|
|
via passing in wrapping classes. So, for example, a <code>Boolean</code> class
|
|
would match a <code>boolean</code> primitive.</p>
|
|
|
|
<p> This is a convenient wrapper for
|
|
<a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])"><code>invokeStaticMethod(Class objectClass,String methodName,Object [] args)</code></a>.
|
|
</p></div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>arg</code> - use this argument</dd>
|
|
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
|
|
<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
|
|
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
|
|
method invoked</dd>
|
|
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
|
|
via reflection</dd><dt><span class="strong">Since:</span></dt>
|
|
<dd>1.8.0</dd></dl>
|
|
</li>
|
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</ul>
|
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<a name="invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])">
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<h4>invokeStaticMethod</h4>
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<pre>public static java.lang.Object invokeStaticMethod(java.lang.Class objectClass,
|
|
java.lang.String methodName,
|
|
java.lang.Object[] args)
|
|
throws java.lang.NoSuchMethodException,
|
|
java.lang.IllegalAccessException,
|
|
java.lang.reflect.InvocationTargetException</pre>
|
|
<div class="block"><p>Invoke a named static method whose parameter type matches the object type.</p>
|
|
|
|
<p>The behaviour of this method is less deterministic
|
|
than <a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[])"><code>invokeExactMethod(Object object,String methodName,Object [] args)</code></a>.
|
|
It loops through all methods with names that match
|
|
and then executes the first it finds with compatable parameters.</p>
|
|
|
|
<p>This method supports calls to methods taking primitive parameters
|
|
via passing in wrapping classes. So, for example, a <code>Boolean</code> class
|
|
would match a <code>boolean</code> primitive.</p>
|
|
|
|
<p> This is a convenient wrapper for
|
|
<a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeStaticMethod(Class objectClass,String methodName,Object [] args,Class[] parameterTypes)</code></a>.
|
|
</p></div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd>
|
|
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
|
|
<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
|
|
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
|
|
method invoked</dd>
|
|
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
|
|
via reflection</dd><dt><span class="strong">Since:</span></dt>
|
|
<dd>1.8.0</dd></dl>
|
|
</li>
|
|
</ul>
|
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<a name="invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])">
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<h4>invokeStaticMethod</h4>
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<pre>public static java.lang.Object invokeStaticMethod(java.lang.Class objectClass,
|
|
java.lang.String methodName,
|
|
java.lang.Object[] args,
|
|
java.lang.Class[] parameterTypes)
|
|
throws java.lang.NoSuchMethodException,
|
|
java.lang.IllegalAccessException,
|
|
java.lang.reflect.InvocationTargetException</pre>
|
|
<div class="block"><p>Invoke a named static method whose parameter type matches the object type.</p>
|
|
|
|
<p>The behaviour of this method is less deterministic
|
|
than <a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeExactStaticMethod(Class objectClass,String methodName,Object [] args,Class[] parameterTypes)</code></a>.
|
|
It loops through all methods with names that match
|
|
and then executes the first it finds with compatable parameters.</p>
|
|
|
|
<p>This method supports calls to methods taking primitive parameters
|
|
via passing in wrapping classes. So, for example, a <code>Boolean</code> class
|
|
would match a <code>boolean</code> primitive.</p></div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd><dd><code>parameterTypes</code> - match these parameters - treat null as empty array</dd>
|
|
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
|
|
<dt><span class="strong">Throws:</span></dt>
|
|
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
|
|
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
|
|
method invoked</dd>
|
|
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
|
|
via reflection</dd><dt><span class="strong">Since:</span></dt>
|
|
<dd>1.8.0</dd></dl>
|
|
</li>
|
|
</ul>
|
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<a name="invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object)">
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<h4>invokeExactStaticMethod</h4>
|
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<pre>public static java.lang.Object invokeExactStaticMethod(java.lang.Class objectClass,
|
|
java.lang.String methodName,
|
|
java.lang.Object arg)
|
|
throws java.lang.NoSuchMethodException,
|
|
java.lang.IllegalAccessException,
|
|
java.lang.reflect.InvocationTargetException</pre>
|
|
<div class="block"><p>Invoke a static method whose parameter type matches exactly the object
|
|
type.</p>
|
|
|
|
<p> This is a convenient wrapper for
|
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<a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])"><code>invokeExactStaticMethod(Class objectClass,String methodName,Object [] args)</code></a>.
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</p></div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>arg</code> - use this argument</dd>
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<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
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<dt><span class="strong">Throws:</span></dt>
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<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
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<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
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method invoked</dd>
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<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
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via reflection</dd><dt><span class="strong">Since:</span></dt>
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<dd>1.8.0</dd></dl>
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</li>
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</ul>
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<a name="invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])">
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<h4>invokeExactStaticMethod</h4>
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<pre>public static java.lang.Object invokeExactStaticMethod(java.lang.Class objectClass,
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java.lang.String methodName,
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java.lang.Object[] args)
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throws java.lang.NoSuchMethodException,
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java.lang.IllegalAccessException,
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java.lang.reflect.InvocationTargetException</pre>
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<div class="block"><p>Invoke a static method whose parameter types match exactly the object
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types.</p>
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<p> This uses reflection to invoke the method obtained from a call to
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<a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#getAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])"><code>getAccessibleMethod(Class, String, Class[])</code></a>.</p></div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd>
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<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
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<dt><span class="strong">Throws:</span></dt>
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<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
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<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
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method invoked</dd>
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<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
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via reflection</dd><dt><span class="strong">Since:</span></dt>
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<dd>1.8.0</dd></dl>
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</li>
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</ul>
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<a name="getAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])">
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<h4>getAccessibleMethod</h4>
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<pre>public static java.lang.reflect.Method getAccessibleMethod(java.lang.Class clazz,
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java.lang.String methodName,
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java.lang.Class[] parameterTypes)</pre>
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<div class="block"><p>Return an accessible method (that is, one that can be invoked via
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reflection) with given name and parameters. If no such method
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can be found, return <code>null</code>.
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This is just a convenient wrapper for
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<a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#getAccessibleMethod(java.lang.reflect.Method)"><code>getAccessibleMethod(Method method)</code></a>.</p></div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>clazz</code> - get method from this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>parameterTypes</code> - with these parameters types</dd>
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<dt><span class="strong">Returns:</span></dt><dd>The accessible method</dd></dl>
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</li>
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</ul>
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<a name="getAccessibleMethod(java.lang.reflect.Method)">
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<h4>getAccessibleMethod</h4>
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<pre>public static java.lang.reflect.Method getAccessibleMethod(java.lang.reflect.Method method)</pre>
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<div class="block"><p>Return an accessible method (that is, one that can be invoked via
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|
reflection) that implements the specified Method. If no such method
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can be found, return <code>null</code>.</p></div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>method</code> - The method that we wish to call</dd>
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<dt><span class="strong">Returns:</span></dt><dd>The accessible method</dd></dl>
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</li>
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</ul>
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<a name="getAccessibleMethod(java.lang.Class, java.lang.reflect.Method)">
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<h4>getAccessibleMethod</h4>
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<pre>public static java.lang.reflect.Method getAccessibleMethod(java.lang.Class clazz,
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java.lang.reflect.Method method)</pre>
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<div class="block"><p>Return an accessible method (that is, one that can be invoked via
|
|
reflection) that implements the specified Method. If no such method
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can be found, return <code>null</code>.</p></div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>clazz</code> - The class of the object</dd><dd><code>method</code> - The method that we wish to call</dd>
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<dt><span class="strong">Returns:</span></dt><dd>The accessible method</dd><dt><span class="strong">Since:</span></dt>
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<dd>1.8.0</dd></dl>
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</li>
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</ul>
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<a name="getMatchingAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])">
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<h4>getMatchingAccessibleMethod</h4>
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<pre>public static java.lang.reflect.Method getMatchingAccessibleMethod(java.lang.Class clazz,
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java.lang.String methodName,
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java.lang.Class[] parameterTypes)</pre>
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<div class="block"><p>Find an accessible method that matches the given name and has compatible parameters.
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Compatible parameters mean that every method parameter is assignable from
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the given parameters.
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In other words, it finds a method with the given name
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that will take the parameters given.<p>
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<p>This method is slightly undeterminstic since it loops
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|
through methods names and return the first matching method.</p>
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<p>This method is used by
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<a href="../../../../com/comphenix/protocol/reflect/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeMethod(Object object,String methodName,Object [] args,Class[] parameterTypes)</code></a>.
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<p>This method can match primitive parameter by passing in wrapper classes.
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For example, a <code>Boolean</code> will match a primitive <code>boolean</code>
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parameter.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>clazz</code> - find method in this class</dd><dd><code>methodName</code> - find method with this name</dd><dd><code>parameterTypes</code> - find method with compatible parameters</dd>
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<dt><span class="strong">Returns:</span></dt><dd>The accessible method</dd></dl>
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</li>
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</ul>
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<a name="isAssignmentCompatible(java.lang.Class, java.lang.Class)">
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<h4>isAssignmentCompatible</h4>
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<pre>public static final boolean isAssignmentCompatible(java.lang.Class parameterType,
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java.lang.Class parameterization)</pre>
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<div class="block"><p>Determine whether a type can be used as a parameter in a method invocation.
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|
This method handles primitive conversions correctly.</p>
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<p>In order words, it will match a <code>Boolean</code> to a <code>boolean</code>,
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a <code>Long</code> to a <code>long</code>,
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a <code>Float</code> to a <code>float</code>,
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a <code>Integer</code> to a <code>int</code>,
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and a <code>Double</code> to a <code>double</code>.
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Now logic widening matches are allowed.
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For example, a <code>Long</code> will not match a <code>int</code>.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>parameterType</code> - the type of parameter accepted by the method</dd><dd><code>parameterization</code> - the type of parameter being tested</dd>
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<dt><span class="strong">Returns:</span></dt><dd>true if the assignement is compatible.</dd></dl>
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</li>
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</ul>
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<a name="getPrimitiveWrapper(java.lang.Class)">
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<h4>getPrimitiveWrapper</h4>
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<pre>public static java.lang.Class getPrimitiveWrapper(java.lang.Class primitiveType)</pre>
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<div class="block">Gets the wrapper object class for the given primitive type class.
|
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For example, passing <code>boolean.class</code> returns <code>Boolean.class</code></div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>primitiveType</code> - the primitive type class for which a match is to be found</dd>
|
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<dt><span class="strong">Returns:</span></dt><dd>the wrapper type associated with the given primitive
|
|
or null if no match is found</dd></dl>
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</li>
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</ul>
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<a name="getPrimitiveType(java.lang.Class)">
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<h4>getPrimitiveType</h4>
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<pre>public static java.lang.Class getPrimitiveType(java.lang.Class wrapperType)</pre>
|
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<div class="block">Gets the class for the primitive type corresponding to the primitive wrapper class given.
|
|
For example, an instance of <code>Boolean.class</code> returns a <code>boolean.class</code>.</div>
|
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>wrapperType</code> - the</dd>
|
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<dt><span class="strong">Returns:</span></dt><dd>the primitive type class corresponding to the given wrapper class,
|
|
null if no match is found</dd></dl>
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</li>
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</ul>
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<a name="toNonPrimitiveClass(java.lang.Class)">
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<h4>toNonPrimitiveClass</h4>
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<pre>public static java.lang.Class toNonPrimitiveClass(java.lang.Class clazz)</pre>
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<div class="block">Find a non primitive representation for given primitive class.</div>
|
|
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>clazz</code> - the class to find a representation for, not null</dd>
|
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<dt><span class="strong">Returns:</span></dt><dd>the original class if it not a primitive. Otherwise the wrapper class. Not null</dd></dl>
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</li>
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</ul>
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</li>
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</ul>
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