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    /*
021     * Copyright (C) 2012 eXo Platform SAS.
022     *
023     * This is free software; you can redistribute it and/or modify it
024     * under the terms of the GNU Lesser General Public License as
025     * published by the Free Software Foundation; either version 2.1 of
026     * the License, or (at your option) any later version.
027     *
028     * This software is distributed in the hope that it will be useful,
029     * but WITHOUT ANY WARRANTY; without even the implied warranty of
030     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
031     * Lesser General Public License for more details.
032     *
033     * You should have received a copy of the GNU Lesser General Public
034     * License along with this software; if not, write to the Free
035     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
036     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
037     */
038    
039    package org.crsh.cli.impl.completion;
040    
041    import org.crsh.cli.descriptor.CommandDescriptor;
042    import org.crsh.cli.impl.Delimiter;
043    
044    class CommandCompletion<T> extends Completion {
045    
046      /** . */
047      private final CommandDescriptor<T> descriptor;
048    
049      /** . */
050      private final  String prefix;
051    
052      /** . */
053      private final Delimiter delimiter;
054    
055      CommandCompletion(CommandDescriptor<T> descriptor, String prefix, Delimiter delimiter) {
056        this.descriptor = descriptor;
057        this.prefix = prefix;
058        this.delimiter = delimiter;
059      }
060    
061      @Override
062      public CompletionMatch complete() throws CompletionException {
063        org.crsh.cli.spi.Completion.Builder builder = org.crsh.cli.spi.Completion.builder(prefix);
064        for (CommandDescriptor<?> m : descriptor.getSubordinates().values()) {
065          String name = m.getName();
066          if (name.startsWith(prefix)) {
067            builder.add(name.substring(prefix.length()), true);
068          }
069        }
070        return new CompletionMatch(delimiter, builder.build());
071      }
072    }