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.cmdline.matcher.impl;
021    
022    import org.crsh.cmdline.ClassDescriptor;
023    import org.crsh.cmdline.CommandCompletion;
024    import org.crsh.cmdline.Delimiter;
025    import org.crsh.cmdline.MethodDescriptor;
026    import org.crsh.cmdline.matcher.CmdCompletionException;
027    import org.crsh.cmdline.spi.ValueCompletion;
028    
029    class MethodCompletion<T> extends Completion {
030    
031      /** . */
032      private final ClassDescriptor<T> descriptor;
033    
034      /** . */
035      private final String mainName;
036    
037      /** . */
038      private final  String prefix;
039    
040      /** . */
041      private final Delimiter delimiter;
042    
043      MethodCompletion(ClassDescriptor<T> descriptor, String mainName, String prefix, Delimiter delimiter) {
044        this.descriptor = descriptor;
045        this.mainName = mainName;
046        this.prefix = prefix;
047        this.delimiter = delimiter;
048      }
049    
050      @Override
051      protected CommandCompletion complete() throws CmdCompletionException {
052        ValueCompletion completions = new ValueCompletion(prefix);
053        for (MethodDescriptor<?> m : descriptor.getMethods()) {
054          String name = m.getName();
055          if (name.startsWith(prefix)) {
056            if (!name.equals(mainName)) {
057              completions.put(name.substring(prefix.length()), true);
058            }
059          }
060        }
061        return new CommandCompletion(delimiter, completions);
062      }
063    }