/**

  * Distribution License:

  * JSword is free software; you can redistribute it and/or modify it under

  * the terms of the GNU Lesser General Public License, version 2.1 or later

  * as published by the Free Software Foundation. This program 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.

  *

  * The License is available on the internet at:

  *      http://www.gnu.org/copyleft/lgpl.html

  * or by writing to:

  *      Free Software Foundation, Inc.

  *      59 Temple Place - Suite 330

  *      Boston, MA 02111-1307, USA

  *

  * © CrossWire Bible Society, 2013 - 2016

  *

  */

 package org.crosswire.jsword.versification;

 import org.crosswire.common.config.ConfigException;

 import org.crosswire.common.util.KeyValuePair;

 import org.crosswire.common.util.ResourceUtil;

 import java.io.BufferedReader;

 import java.io.IOException;

 import java.io.InputStream;

 import java.io.InputStreamReader;

 import java.util.ArrayList;

 import java.util.List;

 /**

  * This reads a file up front and creates the key value pairs. Because

  * we're not quite using the 'properties' file definition because we allow

  * duplicate keys on either side of the '=' sign, we need to do the processing ourselves.

  *

  * @see gnu.lgpl.License The GNU Lesser General Public License for details.

  * @author Chris Burrell

  */

 public class FileVersificationMapping {

     //unsure what a typical value would be, so leaving at 16 - best to optimize for memory,

     //than speed upon reading the first time.

     private List<KeyValuePair> pairs = new ArrayList<KeyValuePair>(16);

     /**

      * Allow a default initialising if someone wants to create a mapping file dynamically.

      */

     public FileVersificationMapping() {

         //no work to do.

     }

     /**

      * @param versification the name of the versification maps to the expected .properties file

      * @throws IOException     error reading the mapping files

      * @throws ConfigException error parsing the contents of the file

      */

     public FileVersificationMapping(Versification versification) throws IOException, ConfigException {

         //TODO(CJB): deal with Missing Resource Exceptions

         InputStream s = ResourceUtil.getResourceAsStream(getClass(), versification.getName() + ".properties");

         BufferedReader lineReader = new BufferedReader(new InputStreamReader(s));

         String line;

         while ((line = lineReader.readLine()) != null) {

             if (line.length() == 0 || line.charAt(0) == '#') {

                 continue;

             }

             int firstEqual = line.indexOf('=');

             if (firstEqual == -1) {

                 this.addProperty(line, null);

             } else {

                 this.addProperty(line.substring(0, firstEqual), line.substring(firstEqual + 1));

             }

         }

     }

     /**

      * @param key   the key

      * @param value the value

      */

     public void addProperty(String key, String value) {

         pairs.add(new KeyValuePair(key, value));

     }

     public List<KeyValuePair> getMappings() {

         return this.pairs;

     }

 }