org.apache.jackrabbit.webdav.DavResourceIteratorImpl Maven / Gradle / Ivy
/*
* 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.jackrabbit.webdav;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Iterator;
import java.util.List;
import java.util.Collections;
/**
* DavResourceIteratorImpl implementation of the {@link DavResourceIterator}
* interface.
* NOTE: {@link #remove()} is not implemented.
*/
public class DavResourceIteratorImpl implements DavResourceIterator {
private static Logger log = LoggerFactory.getLogger(DavResourceIteratorImpl.class);
public static final DavResourceIterator EMPTY = new DavResourceIteratorImpl(Collections.emptyList());
private Iterator it;
private int size;
/**
* Create a new DavResourceIterator from the specified list.
* @param list
*/
public DavResourceIteratorImpl(List list) {
it = list.iterator();
size = list.size();
}
/**
* @see DavResourceIterator#hasNext()
*/
public boolean hasNext() {
return it.hasNext();
}
/**
* @see DavResourceIterator#next()
*/
public DavResource next() {
return it.next();
}
/**
* @see DavResourceIterator#nextResource()
*/
public DavResource nextResource() {
return next();
}
/**
* Returns the size of the initial list.
*
* @see DavResourceIterator#size()
*/
public int size() {
return size;
}
/**
* @see DavResourceIterator#remove()
*/
public void remove() {
throw new UnsupportedOperationException("Remove not allowed with DavResourceIteratorImpl");
}
}