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| <title>Loader (Apache Log4j Core 2.13.2 API)</title> |
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| var methods = {"i0":9,"i1":9,"i2":9,"i3":9,"i4":9,"i5":9,"i6":9,"i7":9,"i8":9,"i9":9,"i10":9,"i11":9,"i12":9,"i13":9}; |
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| <li>Summary: </li> |
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| <li><a href="#method.summary">Method</a></li> |
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| <ul class="subNavList"> |
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| <div class="subTitle">org.apache.logging.log4j.core.util</div> |
| <h2 title="Class Loader" class="title">Class Loader</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.Loader</li> |
| </ul> |
| </li> |
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| <pre>public final class <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.31">Loader</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">Load resources (or images) from various sources.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| </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 <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#getClassLoader--">getClassLoader</a></span>()</code> |
| <div class="block">Returns the ClassLoader to use.</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/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#getClassLoader-java.lang.Class-java.lang.Class-">getClassLoader</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><?> class1, |
| <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><?> class2)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#getResource-java.lang.String-java.lang.ClassLoader-">getResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> resource, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a> defaultLoader)</code> |
| <div class="block">This method will search for <code>resource</code> in different |
| places.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#getResourceAsStream-java.lang.String-java.lang.ClassLoader-">getResourceAsStream</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> resource, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a> defaultLoader)</code> |
| <div class="block">This method will search for <code>resource</code> in different |
| places.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#getThreadContextClassLoader--">getThreadContextClassLoader</a></span>()</code> |
| <div class="block">Returns the ClassLoader of current thread if possible, or falls back to the system ClassLoader if none is |
| available.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static <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><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#initializeClass-java.lang.String-java.lang.ClassLoader-">initializeClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a> loader)</code> |
| <div class="block">Loads and initializes a named Class using a given ClassLoader.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#isClassAvailable-java.lang.String-">isClassAvailable</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className)</code> |
| <div class="block">Determines if a named Class can be loaded or not.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#isJansiAvailable--">isJansiAvailable</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <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><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#loadClass-java.lang.String-">loadClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className)</code> |
| <div class="block">Loads a class by name.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static <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><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#loadClass-java.lang.String-java.lang.ClassLoader-">loadClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a> loader)</code> |
| <div class="block">Loads a named Class using a given ClassLoader.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <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><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#loadSystemClass-java.lang.String-">loadSystemClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className)</code> |
| <div class="block">Load a Class in the <code>java.*</code> namespace by name.</div> |
| </td> |
| </tr> |
| <tr id="i11" 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/Loader.html#newCheckedInstanceOf-java.lang.String-java.lang.Class-">newCheckedInstanceOf</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className, |
| <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">Loads, instantiates, and casts a Class using the default constructor.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static <T> T</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/Loader.html#newCheckedInstanceOfProperty-java.lang.String-java.lang.Class-">newCheckedInstanceOfProperty</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> propertyName, |
| <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">Loads and instantiates a class given by a property name.</div> |
| </td> |
| </tr> |
| <tr id="i13" 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/Loader.html#newInstanceOf-java.lang.String-">newInstanceOf</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className)</code> |
| <div class="block">Loads and instantiates a Class using the default constructor.</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="getClassLoader--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getClassLoader</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.44">getClassLoader</a>()</pre> |
| <div class="block">Returns the ClassLoader to use.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the ClassLoader.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getThreadContextClassLoader--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getThreadContextClassLoader</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.55">getThreadContextClassLoader</a>()</pre> |
| <div class="block">Returns the ClassLoader of current thread if possible, or falls back to the system ClassLoader if none is |
| available.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the TCCL.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><code>LoaderUtil.getThreadContextClassLoader()</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getClassLoader-java.lang.Class-java.lang.Class-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getClassLoader</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.60">getClassLoader</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><?> class1, |
| <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><?> class2)</pre> |
| </li> |
| </ul> |
| <a name="getResource-java.lang.String-java.lang.ClassLoader-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getResource</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.91">getResource</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> resource, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a> defaultLoader)</pre> |
| <div class="block">This method will search for <code>resource</code> in different |
| places. The search order is as follows: |
| |
| <ol> |
| |
| <li>Search for <code>resource</code> using the thread context |
| class loader under Java2. If that fails, search for |
| <code>resource</code> using the class loader that loaded this |
| class (<code>Loader</code>). Under JDK 1.1, only the the class |
| loader that loaded this class (<code>Loader</code>) is used.</li> |
| <li>Try one last time with |
| <code>ClassLoader.getSystemResource(resource)</code>, that is is |
| using the system class loader in JDK 1.2 and virtual machine's |
| built-in class loader in JDK 1.1.</li> |
| </ol></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>resource</code> - The resource to load.</dd> |
| <dd><code>defaultLoader</code> - The default ClassLoader.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A URL to the resource.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getResourceAsStream-java.lang.String-java.lang.ClassLoader-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getResourceAsStream</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.153">getResourceAsStream</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> resource, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a> defaultLoader)</pre> |
| <div class="block">This method will search for <code>resource</code> in different |
| places. The search order is as follows: |
| |
| <ol> |
| <li>Search for <code>resource</code> using the thread context |
| class loader under Java2. If that fails, search for |
| <code>resource</code> using the class loader that loaded this |
| class (<code>Loader</code>). Under JDK 1.1, only the the class |
| loader that loaded this class (<code>Loader</code>) is used.</li> |
| <li>Try one last time with |
| <code>ClassLoader.getSystemResource(resource)</code>, that is is |
| using the system class loader in JDK 1.2 and virtual machine's |
| built-in class loader in JDK 1.1.</li> |
| </ol></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>resource</code> - The resource to load.</dd> |
| <dd><code>defaultLoader</code> - The default ClassLoader.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>An InputStream to read the resouce.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="initializeClass-java.lang.String-java.lang.ClassLoader-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>initializeClass</h4> |
| <pre>public static <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><?> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.226">initializeClass</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a> loader) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre> |
| <div class="block">Loads and initializes a named Class using a given ClassLoader.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>className</code> - The class name.</dd> |
| <dd><code>loader</code> - The class loader.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The class.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code> - if the class could not be found.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="loadClass-java.lang.String-java.lang.ClassLoader-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>loadClass</h4> |
| <pre>public static <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><?> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.239">loadClass</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a> loader) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre> |
| <div class="block">Loads a named Class using a given ClassLoader.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>className</code> - The class name.</dd> |
| <dd><code>loader</code> - The class loader.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The class, or null if loader is null.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code> - if the class could not be found.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="loadSystemClass-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>loadSystemClass</h4> |
| <pre>public static <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><?> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.252">loadSystemClass</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre> |
| <div class="block">Load a Class in the <code>java.*</code> namespace by name. Useful for peculiar scenarios typically involving |
| Google App Engine.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>className</code> - The class name.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The Class.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code> - if the Class could not be found.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="newInstanceOf-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>newInstanceOf</h4> |
| <pre>public static <T> T <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.273">newInstanceOf</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalAccessException.html?is-external=true" title="class or interface in java.lang">IllegalAccessException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InstantiationException.html?is-external=true" title="class or interface in java.lang">InstantiationException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/InvocationTargetException.html?is-external=true" title="class or interface in java.lang.reflect">InvocationTargetException</a></pre> |
| <div class="block">Loads and instantiates a Class using the default constructor.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>className</code> - The class name.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>new instance of the class.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code> - if the class isn't available to the usual ClassLoaders</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalAccessException.html?is-external=true" title="class or interface in java.lang">IllegalAccessException</a></code> - if the class can't be instantiated through a public constructor</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InstantiationException.html?is-external=true" title="class or interface in java.lang">InstantiationException</a></code> - if there was an exception whilst instantiating the class</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</a></code> - if there isn't a no-args constructor on the class</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/InvocationTargetException.html?is-external=true" title="class or interface in java.lang.reflect">InvocationTargetException</a></code> - if there was an exception whilst constructing the class</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="newCheckedInstanceOf-java.lang.String-java.lang.Class-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>newCheckedInstanceOf</h4> |
| <pre>public static <T> T <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.302">newCheckedInstanceOf</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className, |
| <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) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalAccessException.html?is-external=true" title="class or interface in java.lang">IllegalAccessException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/InvocationTargetException.html?is-external=true" title="class or interface in java.lang.reflect">InvocationTargetException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InstantiationException.html?is-external=true" title="class or interface in java.lang">InstantiationException</a></pre> |
| <div class="block">Loads, instantiates, and casts a Class using the default constructor.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - The type to cast it to.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>className</code> - The class name.</dd> |
| <dd><code>clazz</code> - The class to cast it to.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>new instance of the class cast to <code>T</code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code> - if the class isn't available to the usual ClassLoaders</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalAccessException.html?is-external=true" title="class or interface in java.lang">IllegalAccessException</a></code> - if the class can't be instantiated through a public constructor</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InstantiationException.html?is-external=true" title="class or interface in java.lang">InstantiationException</a></code> - if there was an exception whilst instantiating the class</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</a></code> - if there isn't a no-args constructor on the class</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/InvocationTargetException.html?is-external=true" title="class or interface in java.lang.reflect">InvocationTargetException</a></code> - if there was an exception whilst constructing the class</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang">ClassCastException</a></code> - if the constructed object isn't type compatible with <code>T</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="newCheckedInstanceOfProperty-java.lang.String-java.lang.Class-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>newCheckedInstanceOfProperty</h4> |
| <pre>public static <T> T <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.331">newCheckedInstanceOfProperty</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> propertyName, |
| <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) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/InvocationTargetException.html?is-external=true" title="class or interface in java.lang.reflect">InvocationTargetException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InstantiationException.html?is-external=true" title="class or interface in java.lang">InstantiationException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalAccessException.html?is-external=true" title="class or interface in java.lang">IllegalAccessException</a></pre> |
| <div class="block">Loads and instantiates a class given by a property name.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - The type to cast it to.</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>propertyName</code> - The property name to look up a class name for.</dd> |
| <dd><code>clazz</code> - The class to cast it to.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>new instance of the class given in the property or <code>null</code> if the property was unset.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code> - if the class isn't available to the usual ClassLoaders</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalAccessException.html?is-external=true" title="class or interface in java.lang">IllegalAccessException</a></code> - if the class can't be instantiated through a public constructor</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InstantiationException.html?is-external=true" title="class or interface in java.lang">InstantiationException</a></code> - if there was an exception whilst instantiating the class</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</a></code> - if there isn't a no-args constructor on the class</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/InvocationTargetException.html?is-external=true" title="class or interface in java.lang.reflect">InvocationTargetException</a></code> - if there was an exception whilst constructing the class</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang">ClassCastException</a></code> - if the constructed object isn't type compatible with <code>T</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isClassAvailable-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isClassAvailable</h4> |
| <pre>public static boolean <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.350">isClassAvailable</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className)</pre> |
| <div class="block">Determines if a named Class can be loaded or not.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>className</code> - The class name.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><code>true</code> if the class could be found or <code>false</code> otherwise.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isJansiAvailable--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isJansiAvailable</h4> |
| <pre>public static boolean <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.360">isJansiAvailable</a>()</pre> |
| </li> |
| </ul> |
| <a name="loadClass-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>loadClass</h4> |
| <pre>public static <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><?> <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/Loader.html#line.372">loadClass</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> className) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre> |
| <div class="block">Loads a class by name. This method respects the <code>#IGNORE_TCCL_PROPERTY</code> Log4j property. If this property is |
| specified and set to anything besides <code>false</code>, then the default ClassLoader will be used.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>className</code> - The class name.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the Class for the given name.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code> - if the specified class name could not be found</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <!-- ========= END OF CLASS DATA ========= --> |
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| <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> |
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