com.qspin.qtaste.config.XMLConfiguration.java Source code

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Here is the source code for com.qspin.qtaste.config.XMLConfiguration.java

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/*
Copyright 2007-2009 QSpin - www.qspin.be
    
This file is part of QTaste framework.
    
QTaste is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
QTaste is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.
    
You should have received a copy of the GNU Lesser General Public License
along with QTaste. If not, see <http://www.gnu.org/licenses/>.
*/

package com.qspin.qtaste.config;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.tree.ConfigurationNode;

@SuppressWarnings("serial")
public abstract class XMLConfiguration extends org.apache.commons.configuration.XMLConfiguration {

    public XMLConfiguration() {
        super();
    }

    public XMLConfiguration(String file) throws ConfigurationException {
        super(file);
    }

    /**
     * Fetches the specified property. This task is delegated to the associated
     * expression engine.
     *
     * @param key the key to be looked up
     * @return the found value
     */
    @Override
    public List<Object> getProperty(String key) {
        List<?> nodes = fetchNodeList(key);

        if (nodes.size() == 0) {
            return null;
        } else {
            List<Object> list = new ArrayList<Object>();
            for (Iterator<?> it = nodes.iterator(); it.hasNext();) {
                ConfigurationNode node = (ConfigurationNode) it.next();
                if (node.getValue() != null) {
                    list.add(node.getValue());
                }
            }

            if (list.size() < 1) {
                return null;
            } else {
                return list;
            }
        }
    }
}