content: /*
   * Copyright (c) 2017, Andreas Fagschlunger. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   *   - Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   *
   *   - Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  package at.o2xfs.xfs.service.lookup.impl;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Properties;
  
  import at.o2xfs.log.Logger;
  import at.o2xfs.log.LoggerFactory;
  import at.o2xfs.xfs.XfsServiceClass;
  import at.o2xfs.xfs.service.XfsService;
  import at.o2xfs.xfs.service.lookup.XfsServiceLookup;
  
  public class PropertiesXfsServiceLookupImpl extends XfsServiceLookup {
  
  	private static final Logger LOG = LoggerFactory
  			.getLogger(PropertiesXfsServiceLookupImpl.class);
  
  	private final Properties properties;
  
  	private final List<ServiceEntry> serviceEntries;
  
  	public PropertiesXfsServiceLookupImpl() {
  		properties = new Properties();
  		serviceEntries = new ArrayList<XfsServiceLookup.ServiceEntry>();
  		lookup();
  	}
  
  	private void lookup() {
  		loadProperties();
  		parseEntries();
  	}
  
  	private void loadProperties() {
  		File file = new File("service.properties");
  		FileInputStream inStream = null;
  		try {
  			inStream = new FileInputStream(file);
  			properties.load(inStream);
  		} catch (IOException e) {
  			e.printStackTrace();
  		} finally {
  			if (inStream != null) {
  				try {
  					inStream.close();
  				} catch (IOException e) {
  					e.printStackTrace();
  				}
  			}
  		}
  	}
  
  	private void parseEntries() {
  		for (XfsServiceClass serviceClass : XfsServiceClass.values()) {
  			String entry = properties.getProperty(serviceClass.getName());
  			if (entry == null) {
  				continue;
  			}
  			Class<? extends XfsService> xfsService = getServicClass(serviceClass);
  			String[] serviceNames = entry.split(",");
  			for (String serviceName : serviceNames) {
  				serviceName = serviceName.trim();
  				ServiceEntry serviceEntry = new ServiceEntry(serviceName,
  						xfsService);
  				serviceEntries.add(serviceEntry);
  			}
  		}
  	}
  
  	@Override
  	public Iterator<ServiceEntry> iterator() {
  		return serviceEntries.iterator();
  	}
  
  }