001    /*
002     * Copyright (C) 2012 eXo Platform SAS.
003     *
004     * This is free software; you can redistribute it and/or modify it
005     * under the terms of the GNU Lesser General Public License as
006     * published by the Free Software Foundation; either version 2.1 of
007     * the License, or (at your option) any later version.
008     *
009     * This software is distributed in the hope that it will be useful,
010     * but WITHOUT ANY WARRANTY; without even the implied warranty of
011     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012     * Lesser General Public License for more details.
013     *
014     * You should have received a copy of the GNU Lesser General Public
015     * License along with this software; if not, write to the Free
016     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018     */
019    
020    package org.crsh.processor.term;
021    
022    import org.crsh.plugin.CRaSHPlugin;
023    import org.crsh.shell.Shell;
024    import org.crsh.shell.ShellFactory;
025    import org.crsh.shell.impl.async.AsyncShell;
026    import org.crsh.term.console.ConsoleTerm;
027    import org.crsh.term.spi.TermIO;
028    import org.crsh.term.spi.TermIOHandler;
029    
030    import java.io.Closeable;
031    import java.security.Principal;
032    
033    public class ProcessorIOHandler extends CRaSHPlugin<TermIOHandler> implements TermIOHandler {
034    
035      /** . */
036      private ShellFactory factory;
037    
038      @Override
039      public TermIOHandler getImplementation() {
040        return this;
041      }
042    
043      @Override
044      public void init() {
045        this.factory = getContext().getPlugin(ShellFactory.class);
046      }
047    
048      @Override
049      public void destroy() {
050      }
051    
052      public void handle(final TermIO io, Principal user) {
053        Shell shell = factory.create(user);
054        AsyncShell asyncShell = new AsyncShell(getContext().getExecutor(), shell);
055        ConsoleTerm term = new ConsoleTerm(io);
056        Processor processor = new Processor(term, asyncShell);
057        processor.addListener(io);
058        processor.addListener(asyncShell);
059        if (shell instanceof Closeable) {
060          processor.addListener((Closeable)shell);
061        }
062        processor.run();
063      }
064    }