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Diffstat (limited to 'libjava/classpath/javax/activation/CommandInfo.java')
-rw-r--r-- | libjava/classpath/javax/activation/CommandInfo.java | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/libjava/classpath/javax/activation/CommandInfo.java b/libjava/classpath/javax/activation/CommandInfo.java new file mode 100644 index 000000000..c0b81e62c --- /dev/null +++ b/libjava/classpath/javax/activation/CommandInfo.java @@ -0,0 +1,116 @@ +/* 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; + } + +} |