--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxws/src/share/jaf_classes/javax/activation/CommandInfo.java Tue Mar 06 16:09:35 2012 -0800
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package javax.activation;
+
+import java.io.*;
+import java.beans.Beans;
+
+/**
+ * The CommandInfo class is used by CommandMap implementations to
+ * describe the results of command requests. It provides the requestor
+ * with both the verb requested, as well as an instance of the
+ * bean. There is also a method that will return the name of the
+ * class that implements the command but <i>it is not guaranteed to
+ * return a valid value</i>. The reason for this is to allow CommandMap
+ * implmentations that subclass CommandInfo to provide special
+ * behavior. For example a CommandMap could dynamically generate
+ * JavaBeans. In this case, it might not be possible to create an
+ * object with all the correct state information solely from the class
+ * name.
+ *
+ * @since 1.6
+ */
+
+public class CommandInfo {
+ private String verb;
+ private String className;
+
+ /**
+ * The Constructor for CommandInfo.
+ * @param verb The command verb this CommandInfo decribes.
+ * @param className The command's fully qualified class name.
+ */
+ public CommandInfo(String verb, String className) {
+ this.verb = verb;
+ this.className = className;
+ }
+
+ /**
+ * Return the command verb.
+ *
+ * @return the command verb.
+ */
+ public String getCommandName() {
+ return verb;
+ }
+
+ /**
+ * 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>
+ *
+ * @return The class name of the command, or <i>null</i>
+ */
+ public String getCommandClass() {
+ return className;
+ }
+
+ /**
+ * 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>
+ *
+ * @param dh The DataHandler that describes the data to be
+ * passed to the command.
+ * @param loader The ClassLoader to be used to instantiate the bean.
+ * @return The bean
+ * @see java.beans.Beans#instantiate
+ * @see javax.activation.CommandObject
+ */
+ public Object getCommandObject(DataHandler dh, ClassLoader loader)
+ throws IOException, ClassNotFoundException {
+ Object new_bean = null;
+
+ // try to instantiate the bean
+ new_bean = java.beans.Beans.instantiate(loader, className);
+
+ // if we got one and it is a CommandObject
+ if (new_bean != null) {
+ if (new_bean instanceof CommandObject) {
+ ((CommandObject)new_bean).setCommandContext(verb, dh);
+ } else if (new_bean instanceof Externalizable) {
+ if (dh != null) {
+ InputStream is = dh.getInputStream();
+ if (is != null) {
+ ((Externalizable)new_bean).readExternal(
+ new ObjectInputStream(is));
+ }
+ }
+ }
+ }
+
+ return new_bean;
+ }
+}