/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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. | |
*/ | |
package org.apache.myfaces.buildtools.maven2.plugin.builder.trinidad.util; | |
import java.util.ArrayList; | |
import java.util.Iterator; | |
import java.util.Collections; | |
/** | |
* SortedIterator presents the elements of another iterator in a sorted order. | |
*/ | |
public class SortedIterator implements Iterator | |
{ | |
public SortedIterator( | |
Iterator unsorted) | |
{ | |
// this implementation just pulls the entire contents into a list -- | |
// it will be awkward if the unsorted iterator is infinite | |
ArrayList sortedList = new ArrayList(); | |
while(unsorted.hasNext()) | |
{ | |
sortedList.add(unsorted.next()); | |
} | |
Collections.sort(sortedList); | |
_sorted = sortedList.iterator(); | |
} | |
public boolean hasNext() | |
{ | |
return _sorted.hasNext(); | |
} | |
public Object next() | |
{ | |
return _sorted.next(); | |
} | |
public void remove() | |
{ | |
throw new UnsupportedOperationException(); | |
} | |
private final Iterator _sorted; | |
} |