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