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/**
* Copyright 2015 Santhosh Kumar Tekuri
*
* The JLibs authors license 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 jlibs.core.graph;
import java.lang.reflect.Array;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
/**
* @author Santhosh Kumar T
*/
public class SequenceUtil{
public static int indexOf(Sequence seq, E elem){
if(elem==null)
return -1;
for(E item; (item=seq.next())!=null;){
if(elem.equals(item))
break;
}
return seq.index();
}
public static > C addAll(C collection, Sequence seq){
for(E elem; (elem=seq.next())!=null;)
collection.add(elem);
return collection;
}
@SuppressWarnings("unchecked")
public static C[] toArray(Class clazz, Sequence seq){
List list = addAll(new LinkedList(), seq);
return list.toArray((C[])Array.newInstance(clazz, list.size()));
}
}