code: package it.unibz.inf.vig_options.core;
  import it.unibz.inf.vig_options.ranges.StringRange;
  
  /************************************************************************************************
  Copyright (c) 2008-2010, Niklas Sorensson
  
  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
  associated documentation files (the "Software"), to deal in the Software without restriction,
  including without limitation the rights to use, copy, modify, merge, publish, distribute,
  sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all copies or
  substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
  NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
  OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  **************************************************************************************************/
  
  public class StringOptionWithRange extends StringOption {
  
  	private StringRange range;
  	
  	public StringOptionWithRange(
  			String name, String description,
  			String category, String value,
  			StringRange range) {
  		super(name, description, category, value);
  		
  		this.range = range;
  	}
  	
  	/**
  	 *  Does it match with --optName=valueInRange ?
  	 */
  	@Override
  	public boolean parseImpl(String toParse) {
  		
  		String temp = toParse.trim(); // Eliminate whitespaces
  		
  		if( temp.startsWith(name+"=") ){
  			String value = temp.substring(name.length() + 1);
  			
  			if( range.isInRange(value) ){
  				this.value = value;
  			}			
  			else{
  				System.err.println("ERROR! Value out of range for the option "+ this.name);
  				System.exit(1);
  			}
  			return true;
  		}
  		// Not name=... 
  		return false;
  	}
  	
  	@Override
  	public String help(boolean verbose) {
  		StringBuilder builder = new StringBuilder();
  		
  		builder.append(this.name);
  		builder.append(printSpace(this.name));
  		builder.append(this.typeName);
  		builder.append(printSpace(this.typeName));
  		builder.append("[");
  		builder.append(range.toString());
  		builder.append("]");
  		builder.append(printHugeColSpace("["+range.toString()+"]"));
  		builder.append("(default: ");
  		builder.append(value == null ? "NULL" : value);
  		builder.append(")");
  		
  		if( verbose ){
  			builder.append(printSpace("(default: "+ (value == null ? "NULL" : value) + ")"));
  			builder.append(this.description);
  		}
  		
  		return builder.toString();
  	}
  }
  