ConfigurationProviderIterator.java

package greymerk.roguelike.config;


import java.util.Iterator;
import java.util.Map;
import java.util.NoSuchElementException;


/**
 *	An iterator which traverses the configurations
 *	contained in a ConfigurationProvider in an
 *	unspecified order.
 */
public class ConfigurationProviderIterator implements Iterator<Configuration> {


	private Iterator<Map.Entry<String,String>> inner;
	
	
	/**
	 *	\cond
	 */
	
	
	public ConfigurationProviderIterator (Iterator<Map.Entry<String,String>> inner) {
	
		this.inner=inner;
	
	}
	
	
	/**
	 *	\endcond
	 */
	 
	
	public boolean hasNext () {
	
		return inner.hasNext();
	
	}
	
	
	public Configuration next () throws NoSuchElementException {
	
		Map.Entry<String,String> next=inner.next();
		
		return new Configuration(
			next.getKey(),
			next.getValue()
		);
	
	}
	
	
	/**
	 *	This method is not supported.
	 */
	public void remove () throws UnsupportedOperationException {
	
		//	Operation not supported,
		//	unconditional throw
		throw new UnsupportedOperationException();
	
	}


}