org.xwiki.rendering.block.match.CounterBlockMatcher Maven / Gradle / Ivy
/*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.xwiki.rendering.block.match;
import org.xwiki.rendering.block.Block;
/**
* Implementation of {@link BlockMatcher} which match any {@link Block} with the provided class.
*
* @version $Id: 00e8c5819c658c08bb5a3604984468cc9b06b3d5 $
* @since 10.10RC1
*/
public class CounterBlockMatcher implements BlockMatcher
{
private long count = -1;
private Block stopBlock;
/**
* Count all blocks.
*/
public CounterBlockMatcher()
{
}
/**
* Find the index of the passed block.
*
* @param stopBlock the block where to stop counting
*/
public CounterBlockMatcher(Block stopBlock)
{
this.stopBlock = stopBlock;
}
@Override
public boolean match(Block block)
{
++this.count;
return this.stopBlock == block;
}
/**
* @return the count
*/
public long getCount()
{
return count;
}
}