commandinfo.html

j2ee api,很好的api。我这现在有

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="CommandInfo(java.lang.String, java.lang.String)"><!-- --></A><H3>
CommandInfo</H3>
<PRE>
public <B>CommandInfo</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;verb,
                   <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)</PRE>
<DL>
<DD>The Constructor for CommandInfo.
<P>
<DT><B>Parameters:</B><DD><CODE>verb</CODE> - The command verb this CommandInfo decribes.<DD><CODE>className</CODE> - The command's fully qualified class name.</DL>

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<A NAME="getCommandName()"><!-- --></A><H3>
getCommandName</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getCommandName</B>()</PRE>
<DL>
<DD>Return the command verb.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the command verb.</DL>
</DD>
</DL>
<HR>

<A NAME="getCommandClass()"><!-- --></A><H3>
getCommandClass</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getCommandClass</B>()</PRE>
<DL>
<DD>Return the command's class name. <i>This method MAY return null in
 cases where a CommandMap subclassed CommandInfo for its
 own purposes.</i> In other words, it might not be possible to
 create the correct state in the command by merely knowing
 its class name. <b>DO NOT DEPEND ON THIS METHOD RETURNING
 A VALID VALUE!</b>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>The class name of the command, or <i>null</i></DL>
</DD>
</DL>
<HR>

<A NAME="getCommandObject(javax.activation.DataHandler, java.lang.ClassLoader)"><!-- --></A><H3>
getCommandObject</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getCommandObject</B>(<A HREF="../../javax/activation/DataHandler.html" title="class in javax.activation">DataHandler</A>&nbsp;dh,
                               <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;loader)
                        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></PRE>
<DL>
<DD>Return the instantiated JavaBean component.
 <p>
 Begin by instantiating the component with
 <code>Beans.instantiate()</code>.
 <p>
 If the bean implements the <code>javax.activation.CommandObject</code>
 interface, call its <code>setCommandContext</code> method.
 <p>
 If the DataHandler parameter is null, then the bean is
 instantiated with no data. NOTE: this may be useful
 if for some reason the DataHandler that is passed in
 throws IOExceptions when this method attempts to
 access its InputStream. It will allow the caller to
 retrieve a reference to the bean if it can be
 instantiated.
 <p>
 If the bean does NOT implement the CommandObject interface,
 this method will check if it implements the
 java.io.Externalizable interface. If it does, the bean's
 readExternal method will be called if an InputStream
 can be acquired from the DataHandler.<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dh</CODE> - The DataHandler that describes the data to be
			passed to the command.<DD><CODE>loader</CODE> - The ClassLoader to be used to instantiate the bean.
<DT><B>Returns:</B><DD>The bean
<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>
<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><DT><B>See Also:</B><DD><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/beans/Beans.html#instantiate(java.lang.ClassLoader, java.lang.String)" title="class or interface in java.beans"><CODE>Beans.instantiate(java.lang.ClassLoader, java.lang.String)</CODE></A>, 
<A HREF="../../javax/activation/CommandObject.html" title="interface in javax.activation"><CODE>CommandObject</CODE></A></DL>
</DD>
</DL>
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