classloaderrepository.html

j2ee api,很好的api。我这现在有

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<A NAME="loadClass(java.lang.String)"><!-- --></A><H3>
loadClass</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A> <B>loadClass</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;className)
                throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang">ClassNotFoundException</A></PRE>
<DL>
<DD><p>Load the given class name through the list of class loaders.
 Each ClassLoader in turn from the ClassLoaderRepository is
 asked to load the class via its <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassLoader.html#loadClass(java.lang.String)" title="class or interface in java.lang"><CODE>ClassLoader.loadClass(String)</CODE></A> method.  If it successfully
 returns a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Class.html" title="class or interface in java.lang"><CODE>Class</CODE></A> object, that is the result of this
 method.  If it throws a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang"><CODE>ClassNotFoundException</CODE></A>, the
 search continues with the next ClassLoader.  If it throws
 another exception, the exception is propagated from this
 method.  If the end of the list is reached, a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang"><CODE>ClassNotFoundException</CODE></A> is thrown.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>className</CODE> - The name of the class to be loaded.
<DT><B>Returns:</B><DD>the loaded class.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang">ClassNotFoundException</A></CODE> - The specified class could not be 
            found.</DL>
</DD>
</DL>
<HR>

<A NAME="loadClassWithout(java.lang.ClassLoader, java.lang.String)"><!-- --></A><H3>
loadClassWithout</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A> <B>loadClassWithout</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassLoader.html" title="class or interface in java.lang">ClassLoader</A>&nbsp;exclude,
                              <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;className)
                       throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang">ClassNotFoundException</A></PRE>
<DL>
<DD><p>Load the given class name through the list of class loaders,
 excluding the given one.  Each ClassLoader in turn from the
 ClassLoaderRepository, except <code>exclude</code>, is asked to
 load the class via its <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassLoader.html#loadClass(java.lang.String)" title="class or interface in java.lang"><CODE>ClassLoader.loadClass(String)</CODE></A>
 method.  If it successfully returns a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Class.html" title="class or interface in java.lang"><CODE>Class</CODE></A> object,
 that is the result of this method.  If it throws a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang"><CODE>ClassNotFoundException</CODE></A>, the search continues with the next
 ClassLoader.  If it throws another exception, the exception is
 propagated from this method.  If the end of the list is
 reached, a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang"><CODE>ClassNotFoundException</CODE></A> is thrown.</p>

 <p>Be aware that if a ClassLoader in the ClassLoaderRepository
 calls this method from its <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassLoader.html#loadClass(java.lang.String)" title="class or interface in java.lang"><CODE>loadClass</CODE></A> method, it exposes itself to a deadlock if another
 ClassLoader in the ClassLoaderRepository does the same thing at
 the same time.  The <A HREF="../../../javax/management/loading/ClassLoaderRepository.html#loadClassBefore(java.lang.ClassLoader, java.lang.String)"><CODE>loadClassBefore(java.lang.ClassLoader, java.lang.String)</CODE></A> method is
 recommended to avoid the risk of deadlock.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>className</CODE> - The name of the class to be loaded.<DD><CODE>exclude</CODE> - The class loader to be excluded.  May be null,
 in which case this method is equivalent to <A HREF="../../../javax/management/loading/ClassLoaderRepository.html#loadClass(java.lang.String)"><CODE>loadClass(className)</CODE></A>.
<DT><B>Returns:</B><DD>the loaded class.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang">ClassNotFoundException</A></CODE> - The specified class could not
 be found.</DL>
</DD>
</DL>
<HR>

<A NAME="loadClassBefore(java.lang.ClassLoader, java.lang.String)"><!-- --></A><H3>
loadClassBefore</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A> <B>loadClassBefore</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassLoader.html" title="class or interface in java.lang">ClassLoader</A>&nbsp;stop,
                             <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;className)
                      throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang">ClassNotFoundException</A></PRE>
<DL>
<DD><p>Load the given class name through the list of class loaders,
 stopping at the given one.  Each ClassLoader in turn from the
 ClassLoaderRepository is asked to load the class via its <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassLoader.html#loadClass(java.lang.String)" title="class or interface in java.lang"><CODE>ClassLoader.loadClass(String)</CODE></A> method.  If it successfully
 returns a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Class.html" title="class or interface in java.lang"><CODE>Class</CODE></A> object, that is the result of this
 method.  If it throws a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang"><CODE>ClassNotFoundException</CODE></A>, the
 search continues with the next ClassLoader.  If it throws
 another exception, the exception is propagated from this
 method.  If the search reaches <code>stop</code> or the end of
 the list, a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang"><CODE>ClassNotFoundException</CODE></A> is thrown.</p>

 <p>Typically this method is called from the <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassLoader.html#loadClass(java.lang.String)" title="class or interface in java.lang"><CODE>loadClass</CODE></A> method of
 <code>stop</code>, to consult loaders that appear before it
 in the <code>ClassLoaderRepository</code>.  By stopping the
 search as soon as <code>stop</code> is reached, a potential
 deadlock with concurrent class loading is avoided.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>className</CODE> - The name of the class to be loaded.<DD><CODE>stop</CODE> - The class loader at which to stop.  May be null, in
 which case this method is equivalent to <A HREF="../../../javax/management/loading/ClassLoaderRepository.html#loadClass(java.lang.String)"><CODE>loadClass(className)</CODE></A>.
<DT><B>Returns:</B><DD>the loaded class.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang">ClassNotFoundException</A></CODE> - The specified class could not
 be found.<DT><B>Since:</B></DT>
  <DD>JMX 1.2</DD>
</DL>
</DD>
</DL>
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