mlet.html

j2ee api,很好的api。我这现在有

<DD><DL>
<DT><B>Parameters:</B><DD><CODE>libdir</CODE> - The directory used by the library loader.<DT><B>See Also:</B><DD><A HREF="../../../javax/management/loading/MLet.html#getLibraryDirectory()"><CODE>getLibraryDirectory()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="preRegister(javax.management.MBeanServer, javax.management.ObjectName)"><!-- --></A><H3>
preRegister</H3>
<PRE>
public <A HREF="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</A> <B>preRegister</B>(<A HREF="../../../javax/management/MBeanServer.html" title="interface in javax.management">MBeanServer</A>&nbsp;server,
                              <A HREF="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</A>&nbsp;name)
                       throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Exception.html" title="class or interface in java.lang">Exception</A></PRE>
<DL>
<DD>Allows the m-let to perform any operations it needs before
 being registered in the MBean server. If the ObjectName is
 null, the m-let provides a default name for its registration
 &lt;defaultDomain&gt;:type=MLet
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/management/MBeanRegistration.html#preRegister(javax.management.MBeanServer, javax.management.ObjectName)">preRegister</A></CODE> in interface <CODE><A HREF="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>server</CODE> - The MBean server in which the m-let will be registered.<DD><CODE>name</CODE> - The object name of the m-let.
<DT><B>Returns:</B><DD>The name of the m-let registered.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Exception.html" title="class or interface in java.lang">Exception</A></CODE> - This exception should be caught by the MBean server and re-thrown
as an MBeanRegistrationException.</DL>
</DD>
</DL>
<HR>

<A NAME="postRegister(java.lang.Boolean)"><!-- --></A><H3>
postRegister</H3>
<PRE>
public void <B>postRegister</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Boolean.html" title="class or interface in java.lang">Boolean</A>&nbsp;registrationDone)</PRE>
<DL>
<DD>Allows the m-let to perform any operations needed after having been
 registered in the MBean server or after the registration has failed.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/management/MBeanRegistration.html#postRegister(java.lang.Boolean)">postRegister</A></CODE> in interface <CODE><A HREF="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>registrationDone</CODE> - Indicates whether or not the m-let has been successfully registered in
 the MBean server. The value false means that either the registration phase
 has failed.</DL>
</DD>
</DL>
<HR>

<A NAME="preDeregister()"><!-- --></A><H3>
preDeregister</H3>
<PRE>
public void <B>preDeregister</B>()
                   throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Exception.html" title="class or interface in java.lang">Exception</A></PRE>
<DL>
<DD>Allows the m-let to perform any operations it needs before being unregistered
 by the MBean server.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/management/MBeanRegistration.html#preDeregister()">preDeregister</A></CODE> in interface <CODE><A HREF="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.langException</CODE> - This exception should be caught by the MBean server and re-thrown
 as an MBeanRegistrationException.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Exception.html" title="class or interface in java.lang">Exception</A></CODE> - This exception will be caught by
 the MBean server and re-thrown as an <A HREF="../../../javax/management/MBeanRegistrationException.html" title="class in javax.management"><CODE>MBeanRegistrationException</CODE></A> or a <A HREF="../../../javax/management/RuntimeMBeanException.html" title="class in javax.management"><CODE>RuntimeMBeanException</CODE></A>.</DL>
</DD>
</DL>
<HR>

<A NAME="postDeregister()"><!-- --></A><H3>
postDeregister</H3>
<PRE>
public void <B>postDeregister</B>()</PRE>
<DL>
<DD>Allows the m-let to perform any operations needed after having been
 unregistered in the MBean server.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/management/MBeanRegistration.html#postDeregister()">postDeregister</A></CODE> in interface <CODE><A HREF="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="writeExternal(java.io.ObjectOutput)"><!-- --></A><H3>
writeExternal</H3>
<PRE>
public void <B>writeExternal</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/ObjectOutput.html" title="class or interface in java.io">ObjectOutput</A>&nbsp;out)
                   throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A>,
                          <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang">UnsupportedOperationException</A></PRE>
<DL>
<DD><p>Save this MLet's contents to the given <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/ObjectOutput.html" title="class or interface in java.io"><CODE>ObjectOutput</CODE></A>.
 Not all implementations support this method.  Those that do not
 throw <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang"><CODE>UnsupportedOperationException</CODE></A>.  A subclass may
 override this method to support it or to change the format of
 the written data.</p>

 <p>The format of the written data is not specified, but if
 an implementation supports <A HREF="../../../javax/management/loading/MLet.html#writeExternal(java.io.ObjectOutput)"><CODE>writeExternal(java.io.ObjectOutput)</CODE></A> it must
 also support <A HREF="../../../javax/management/loading/MLet.html#readExternal(java.io.ObjectInput)"><CODE>readExternal(java.io.ObjectInput)</CODE></A> in such a way that what is
 written by the former can be read by the latter.</p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Externalizable.html#writeExternal(java.io.ObjectOutput)" title="class or interface in java.io">writeExternal</A></CODE> in interface <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Externalizable.html" title="class or interface in java.io">Externalizable</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>out</CODE> - The object output stream to write to.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If a problem occurred while writing.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang">UnsupportedOperationException</A></CODE> - If this
 implementation does not support this operation.</DL>
</DD>
</DL>
<HR>

<A NAME="readExternal(java.io.ObjectInput)"><!-- --></A><H3>
readExternal</H3>
<PRE>
public void <B>readExternal</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/ObjectInput.html" title="class or interface in java.io">ObjectInput</A>&nbsp;in)
                  throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A>,
                         <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ClassNotFoundException.html" title="class or interface in java.lang">ClassNotFoundException</A>,
                         <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang">UnsupportedOperationException</A></PRE>
<DL>
<DD><p>Restore this MLet's contents from the given <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/ObjectInput.html" title="class or interface in java.io"><CODE>ObjectInput</CODE></A>.
 Not all implementations support this method.  Those that do not
 throw <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang"><CODE>UnsupportedOperationException</CODE></A>.  A subclass may
 override this method to support it or to change the format of
 the read data.</p>

 <p>The format of the read data is not specified, but if an
 implementation supports <A HREF="../../../javax/management/loading/MLet.html#readExternal(java.io.ObjectInput)"><CODE>readExternal(java.io.ObjectInput)</CODE></A> it must also
 support <A HREF="../../../javax/management/loading/MLet.html#writeExternal(java.io.ObjectOutput)"><CODE>writeExternal(java.io.ObjectOutput)</CODE></A> in such a way that what is
 written by the latter can be read by the former.</p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Externalizable.html#readExternal(java.io.ObjectInput)" title="class or interface in java.io">readExternal</A></CODE> in interface <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Externalizable.html" title="class or interface in java.io">Externalizable</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>in</CODE> - The object input stream to read from.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if a problem occurred while reading.
<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> - if the class for the object
 being restored cannot be found.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang">UnsupportedOperationException</A></CODE> - if this
 implementation does not support this operation.</DL>
</DD>
</DL>
<HR>

<A NAME="loadClass(java.lang.String, javax.management.loading.ClassLoaderRepository)"><!-- --></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;name,
                       <A HREF="../../../javax/management/loading/ClassLoaderRepository.html" title="interface in javax.management.loading">ClassLoaderRepository</A>&nbsp;clr)
                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 a class, using the given <A HREF="../../../javax/management/loading/ClassLoaderRepository.html" title="interface in javax.management.loading"><CODE>ClassLoaderRepository</CODE></A> if
 the class is not found in this MLet's URLs.  The given
 ClassLoaderRepository can be null, in which case 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> occurs immediately if the class is not
 found in this MLet's URLs.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - The name of the class we want to load.<DD><CODE>clr</CODE> - The ClassLoaderRepository that will be used to search
             for the given class, if it is not found in this 
             ClassLoader.  May be null.
<DT><B>Returns:</B><DD>The resulting Class object.
<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 in this ClassLoader nor in the given
            ClassLoaderRepository.<DT><B>Since:</B></DT>
  <DD>JMX 1.1</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="findClass(java.lang.String)"><!-- --></A><H3>
find