/**
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2016 Maxence Bernard
*
* muCommander is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* muCommander is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.commons.file.archive;
/**
* This class is an implementation of {@link ArchiveEntryIterator} that iterates through a single archive entry
* specified at creation time. The entry passed to the constructor may be <code>null</code> -- the iterator will
* act as an empty one. {@link #close()} is implemented as a no-op.
*
* @author Maxence Bernard
*/
public class SingleArchiveEntryIterator implements ArchiveEntryIterator {
/** The single entry to iterate through */
protected ArchiveEntry entry;
public SingleArchiveEntryIterator(ArchiveEntry entry) {
this.entry = entry;
}
/////////////////////////////////////////
// ArchiveEntryIterator implementation //
/////////////////////////////////////////
public ArchiveEntry nextEntry() {
if(entry==null)
return null;
ArchiveEntry nextEntry = entry;
entry = null;
return nextEntry;
}
/**
* Implemented as a no-op (nothing to close).
*/
public void close() {
}
}