| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <!-- NewPage --> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (1.8.0_144) on Sun May 10 12:47:45 MST 2020 --> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>ReflectionUtil (Apache Log4j Core 2.13.3 API)</title> |
| <meta name="date" content="2020-05-10"> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| <script type="text/javascript" src="../../../../../../script.js"></script> |
| </head> |
| <body> |
| <script type="text/javascript"><!-- |
| try { |
| if (location.href.indexOf('is-external=true') == -1) { |
| parent.document.title="ReflectionUtil (Apache Log4j Core 2.13.3 API)"; |
| } |
| } |
| catch(err) { |
| } |
| //--> |
| var methods = {"i0":9,"i1":9,"i2":9,"i3":9,"i4":9,"i5":9,"i6":9,"i7":9,"i8":9}; |
| var tabs = {65535:["t0","All Methods"],1:["t1","Static Methods"],8:["t4","Concrete Methods"]}; |
| var altColor = "altColor"; |
| var rowColor = "rowColor"; |
| var tableTab = "tableTab"; |
| var activeTableTab = "activeTableTab"; |
| </script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="topNav"><a name="navbar.top"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.top.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="class-use/ReflectionUtil.html">Use</a></li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../../org/apache/logging/log4j/core/util/Patterns.html" title="class in org.apache.logging.log4j.core.util"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../../../../../org/apache/logging/log4j/core/util/SecretKeyProvider.html" title="interface in org.apache.logging.log4j.core.util"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../../index.html?org/apache/logging/log4j/core/util/ReflectionUtil.html" target="_top">Frames</a></li> |
| <li><a href="ReflectionUtil.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_top"> |
| <li><a href="../../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_top"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.top"> |
| <!-- --> |
| </a></div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <div class="subTitle">org.apache.logging.log4j.core.util</div> |
| <h2 title="Class ReflectionUtil" class="title">Class ReflectionUtil</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.logging.log4j.core.util.ReflectionUtil</li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <hr> |
| <br> |
| <pre>public final class <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/ReflectionUtil.html#line.33">ReflectionUtil</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Utility class for performing common reflective operations.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.1</dd> |
| </dl> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <T> <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Constructor.html?is-external=true" title="class or interface in java.lang.reflect">Constructor</a><T></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/ReflectionUtil.html#getDefaultConstructor-java.lang.Class-">getDefaultConstructor</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><T> clazz)</code> |
| <div class="block">Gets the default (no-arg) constructor for a given class.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/ReflectionUtil.html#getFieldValue-java.lang.reflect.Field-java.lang.Object-">getFieldValue</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect">Field</a> field, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> instance)</code> |
| <div class="block">Gets the value of a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect"><code>Field</code></a>, making it accessible if required.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/ReflectionUtil.html#getStaticFieldValue-java.lang.reflect.Field-">getStaticFieldValue</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect">Field</a> field)</code> |
| <div class="block">Gets the value of a static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect"><code>Field</code></a>, making it accessible if required.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <T> T</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/ReflectionUtil.html#instantiate-java.lang.Class-">instantiate</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><T> clazz)</code> |
| <div class="block">Constructs a new <code>T</code> object using the default constructor of its class.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/AccessibleObject.html?is-external=true" title="class or interface in java.lang.reflect">AccessibleObject</a> & <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Member.html?is-external=true" title="class or interface in java.lang.reflect">Member</a>><br>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/ReflectionUtil.html#isAccessible-T-">isAccessible</a></span>(T member)</code> |
| <div class="block">Indicates whether or not a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Member.html?is-external=true" title="class or interface in java.lang.reflect"><code>Member</code></a> is both public and is contained in a public class.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/ReflectionUtil.html#makeAccessible-java.lang.reflect.Field-">makeAccessible</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect">Field</a> field)</code> |
| <div class="block">Makes a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect"><code>Field</code></a> <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/AccessibleObject.html?is-external=true#isAccessible--" title="class or interface in java.lang.reflect"><code>accessible</code></a> if it is not public or if it is final.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static <T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/AccessibleObject.html?is-external=true" title="class or interface in java.lang.reflect">AccessibleObject</a> & <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Member.html?is-external=true" title="class or interface in java.lang.reflect">Member</a>><br>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/ReflectionUtil.html#makeAccessible-T-">makeAccessible</a></span>(T member)</code> |
| <div class="block">Makes a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Member.html?is-external=true" title="class or interface in java.lang.reflect"><code>Member</code></a> <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/AccessibleObject.html?is-external=true#isAccessible--" title="class or interface in java.lang.reflect"><code>accessible</code></a> if the member is not public.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/ReflectionUtil.html#setFieldValue-java.lang.reflect.Field-java.lang.Object-java.lang.Object-">setFieldValue</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect">Field</a> field, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> instance, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</code> |
| <div class="block">Sets the value of a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect"><code>Field</code></a>, making it accessible if required.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/ReflectionUtil.html#setStaticFieldValue-java.lang.reflect.Field-java.lang.Object-">setStaticFieldValue</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect">Field</a> field, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</code> |
| <div class="block">Sets the value of a static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect"><code>Field</code></a>, making it accessible if required.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="isAccessible-java.lang.reflect.AccessibleObject-"> |
| <!-- --> |
| </a><a name="isAccessible-T-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isAccessible</h4> |
| <pre>public static <T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/AccessibleObject.html?is-external=true" title="class or interface in java.lang.reflect">AccessibleObject</a> & <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Member.html?is-external=true" title="class or interface in java.lang.reflect">Member</a>> boolean <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/ReflectionUtil.html#line.45">isAccessible</a>(T member)</pre> |
| <div class="block">Indicates whether or not a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Member.html?is-external=true" title="class or interface in java.lang.reflect"><code>Member</code></a> is both public and is contained in a public class.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - type of the object whose accessibility to test</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>member</code> - the Member to check for public accessibility (must not be <code>null</code>).</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><code>true</code> if <code>member</code> is public and contained in a public class.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if <code>member</code> is <code>null</code>.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="makeAccessible-java.lang.reflect.AccessibleObject-"> |
| <!-- --> |
| </a><a name="makeAccessible-T-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>makeAccessible</h4> |
| <pre>public static <T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/AccessibleObject.html?is-external=true" title="class or interface in java.lang.reflect">AccessibleObject</a> & <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Member.html?is-external=true" title="class or interface in java.lang.reflect">Member</a>> void <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/ReflectionUtil.html#line.57">makeAccessible</a>(T member)</pre> |
| <div class="block">Makes a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Member.html?is-external=true" title="class or interface in java.lang.reflect"><code>Member</code></a> <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/AccessibleObject.html?is-external=true#isAccessible--" title="class or interface in java.lang.reflect"><code>accessible</code></a> if the member is not public.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - type of the object to make accessible</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>member</code> - the Member to make accessible (must not be <code>null</code>).</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if <code>member</code> is <code>null</code>.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="makeAccessible-java.lang.reflect.Field-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>makeAccessible</h4> |
| <pre>public static void <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/ReflectionUtil.html#line.72">makeAccessible</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect">Field</a> field)</pre> |
| <div class="block">Makes a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect"><code>Field</code></a> <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/AccessibleObject.html?is-external=true#isAccessible--" title="class or interface in java.lang.reflect"><code>accessible</code></a> if it is not public or if it is final. |
| |
| <p>Note that using this method to make a <code>final</code> field writable will most likely not work very well due to |
| compiler optimizations and the like.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>field</code> - the Field to make accessible (must not be <code>null</code>).</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if <code>field</code> is <code>null</code>.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getFieldValue-java.lang.reflect.Field-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getFieldValue</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/ReflectionUtil.html#line.89">getFieldValue</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect">Field</a> field, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> instance)</pre> |
| <div class="block">Gets the value of a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect"><code>Field</code></a>, making it accessible if required.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>field</code> - the Field to obtain a value from (must not be <code>null</code>).</dd> |
| <dd><code>instance</code> - the instance to obtain the field value from or <code>null</code> only if the field is static.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the value stored by the field.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if <code>field</code> is <code>null</code>, or if <code>instance</code> is <code>null</code> but |
| <code>field</code> is not <code>static</code>.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true#get-java.lang.Object-" title="class or interface in java.lang.reflect"><code>Field.get(Object)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getStaticFieldValue-java.lang.reflect.Field-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getStaticFieldValue</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/ReflectionUtil.html#line.109">getStaticFieldValue</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect">Field</a> field)</pre> |
| <div class="block">Gets the value of a static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect"><code>Field</code></a>, making it accessible if required.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>field</code> - the Field to obtain a value from (must not be <code>null</code>).</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the value stored by the static field.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if <code>field</code> is <code>null</code>, or if <code>field</code> is not <code>static</code>.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true#get-java.lang.Object-" title="class or interface in java.lang.reflect"><code>Field.get(Object)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setFieldValue-java.lang.reflect.Field-java.lang.Object-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setFieldValue</h4> |
| <pre>public static void <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/ReflectionUtil.html#line.123">setFieldValue</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect">Field</a> field, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> instance, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</pre> |
| <div class="block">Sets the value of a <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect"><code>Field</code></a>, making it accessible if required.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>field</code> - the Field to write a value to (must not be <code>null</code>).</dd> |
| <dd><code>instance</code> - the instance to write the value to or <code>null</code> only if the field is static.</dd> |
| <dd><code>value</code> - the (possibly wrapped) value to write to the field.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if <code>field</code> is <code>null</code>, or if <code>instance</code> is <code>null</code> but |
| <code>field</code> is not <code>static</code>.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true#set-java.lang.Object-java.lang.Object-" title="class or interface in java.lang.reflect"><code>Field.set(Object, Object)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setStaticFieldValue-java.lang.reflect.Field-java.lang.Object-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setStaticFieldValue</h4> |
| <pre>public static void <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/ReflectionUtil.html#line.143">setStaticFieldValue</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect">Field</a> field, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</pre> |
| <div class="block">Sets the value of a static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect"><code>Field</code></a>, making it accessible if required.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>field</code> - the Field to write a value to (must not be <code>null</code>).</dd> |
| <dd><code>value</code> - the (possibly wrapped) value to write to the field.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - if <code>field</code> is <code>null</code>, or if <code>field</code> is not <code>static</code>.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true#set-java.lang.Object-java.lang.Object-" title="class or interface in java.lang.reflect"><code>Field.set(Object, Object)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDefaultConstructor-java.lang.Class-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDefaultConstructor</h4> |
| <pre>public static <T> <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Constructor.html?is-external=true" title="class or interface in java.lang.reflect">Constructor</a><T> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/ReflectionUtil.html#line.155">getDefaultConstructor</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><T> clazz)</pre> |
| <div class="block">Gets the default (no-arg) constructor for a given class.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - the type made by the constructor</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - the class to find a constructor for</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the default constructor for the given class</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - if no default constructor can be found</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="instantiate-java.lang.Class-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>instantiate</h4> |
| <pre>public static <T> T <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/ReflectionUtil.html#line.184">instantiate</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><T> clazz)</pre> |
| <div class="block">Constructs a new <code>T</code> object using the default constructor of its class. Any exceptions thrown by the |
| constructor will be rethrown by this method, possibly wrapped in an |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/UndeclaredThrowableException.html?is-external=true" title="class or interface in java.lang.reflect"><code>UndeclaredThrowableException</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - the type of the object to construct.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - the class to use for instantiation.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new instance of T made from its default constructor.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if the given class is abstract, an interface, an array class, a primitive type, |
| or void</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - if access is denied to the constructor, or there are no default constructors</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <!-- ========= END OF CLASS DATA ========= --> |
| <!-- ======= START OF BOTTOM NAVBAR ====== --> |
| <div class="bottomNav"><a name="navbar.bottom"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.bottom.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="class-use/ReflectionUtil.html">Use</a></li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../../org/apache/logging/log4j/core/util/Patterns.html" title="class in org.apache.logging.log4j.core.util"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../../../../../org/apache/logging/log4j/core/util/SecretKeyProvider.html" title="interface in org.apache.logging.log4j.core.util"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../../index.html?org/apache/logging/log4j/core/util/ReflectionUtil.html" target="_top">Frames</a></li> |
| <li><a href="ReflectionUtil.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_bottom"> |
| <li><a href="../../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_bottom"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.bottom"> |
| <!-- --> |
| </a></div> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| <p class="legalCopy"><small><p align="center">Copyright © 1999-2020 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All Rights Reserved.<br /> Apache Logging, Apache Log4j, Log4j, Apache, the Apache feather logo, the Apache Logging project logo, and the Apache Log4j logo are trademarks of The Apache Software Foundation.</p></small></p> |
| </body> |
| </html> |