/*
 
* Java GPX Library (@__identifier__@).
 
* Copyright (c) @__year__@ Franz Wilhelmstötter
 
*
 
* Licensed under the Apache License, Version 2.0 (the "License");
 
* you may not use this file except in compliance with the License.
 
* You may obtain a copy of the License at
 
*
 
*
      
http://www.apache.org/licenses/LICENSE-2.0
 
*
 
* Unless required by applicable law or agreed to in writing, software
 
* distributed under the License is distributed on an "AS IS" BASIS,
 
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
* See the License for the specific language governing permissions and
 
* limitations under the License.
 
*
 
* Author:
 
*
    
Franz Wilhelmstötter (franz.wilhelmstoetter@gmail.com)
 
*/
package io.jenetics.jpx;

import static java.util.Objects.requireNonNull;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.IntStream;

import io.jenetics.jpx.GPX.Version;

/**
 
* XMLWriter collection for different GPX versions.
 
*
 
* @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
 
* @version 1.3
 
* @since 1.3
 
*/

final class XMLWriters<T> {

	
private final List<Version> _versions = new ArrayList<>();
	
private final List<XMLWriter<T>> _writers = new ArrayList<>();


	
XMLWriters<T> v00(final XMLWriter<T> writer) {
		
requireNonNull(writer);
		
_versions.add(null);
		
_writers.add(writer);
		
return this;
	
}

	
XMLWriters<T> v10(final XMLWriter<T> writer) {
		
requireNonNull(writer);
		
_versions.add(Version.V10);
		
_writers.add(writer);
		
return this;
	
}

	
XMLWriters<T> v11(final XMLWriter<T> writer) {
		
requireNonNull(writer);
		
_versions.add(Version.V11);
		
_writers.add(writer);
		
return this;
	
}

	
@SuppressWarnings("unchecked")
	
XMLWriter<T>[] writers(final Version version) {
		
return IntStream.range(0, _versions.size())
			
.filter(i -> _versions.get(i) == null || _versions.get(i) == version)
			
.mapToObj(_writers::get)
			
.toArray(XMLWriter[]::new);
	
}

}