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.spring;
021    
022    import org.crsh.util.SimpleMap;
023    import org.springframework.beans.factory.ListableBeanFactory;
024    
025    import java.util.ArrayList;
026    import java.util.Arrays;
027    import java.util.Collections;
028    import java.util.Iterator;
029    
030    class SpringMap extends SimpleMap<String, Object> {
031    
032      /** . */
033      private final ListableBeanFactory factory;
034    
035      SpringMap(ListableBeanFactory factory) {
036        this.factory = factory;
037      }
038    
039      @Override
040      protected Iterator<String> keys() {
041        return Arrays.asList(factory.getBeanDefinitionNames()).iterator();
042      }
043    
044      @Override
045      public Object get(Object key) {
046        if (key instanceof String) {
047          return factory.getBean(((String)key));
048        }
049        return null;
050      }
051    }