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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/activation/CommandInfo.java
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+/* CommandInfo.java -- Description of the result of a command request.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.activation;
+
+import java.beans.Beans;
+import java.io.Externalizable;
+import java.io.InputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+
+/**
+ * Description of the result of a command request.
+ *
+ * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
+ * @version 1.1
+ */
+public class CommandInfo
+{
+
+ private final String verb;
+ private final String className;
+
+ /**
+ * Constructor.
+ * @param verb the command verb
+ * @param className the command class name
+ */
+ public CommandInfo(String verb, String className)
+ {
+ this.verb = verb;
+ this.className = className;
+ }
+
+ /**
+ * Returns the command verb.
+ */
+ public String getCommandName()
+ {
+ return verb;
+ }
+
+ /**
+ * Returns the command class name.
+ */
+ public String getCommandClass()
+ {
+ return className;
+ }
+
+ /**
+ * Returns the instantiated bean.
+ * If the bean implements <code>CommandObject</code>, its
+ * <code>setCommandContext</code> method will be called.
+ * @param dh the data handler describing the command data
+ * @param loader the class loader used to instantiate the bean
+ */
+ public Object getCommandObject(DataHandler dh, ClassLoader loader)
+ throws IOException, ClassNotFoundException
+ {
+ Object object = Beans.instantiate(loader, className);
+ if (object != null)
+ {
+ if (object instanceof CommandObject)
+ {
+ CommandObject command = (CommandObject)object;
+ command.setCommandContext(verb, dh);
+ }
+ else if (dh != null && (object instanceof Externalizable))
+ {
+ InputStream in = dh.getInputStream();
+ if (in != null)
+ {
+ Externalizable externalizable = (Externalizable)object;
+ externalizable.readExternal(new ObjectInputStream(in));
+ }
+ }
+ }
+ return object;
+ }
+
+}