XMLProcessorImpl.java
/*
* Copyright (C) 2003-2011 eXo Platform SAS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.exoplatform.social.common.xmlprocessor;
import java.util.Iterator;
import java.util.LinkedList;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
/**
* Implementation of {@link XMLProcessor}.
*
* @author Ly Minh Phuong - http://phuonglm.net
*/
public class XMLProcessorImpl implements XMLProcessor {
/**
* The linked list for all filters.
*/
private LinkedList<Filter> filters;
/**
* Constructor
*/
public XMLProcessorImpl() {
filters = new LinkedList<Filter>();
}
/**
* {@inheritDoc}
*/
@Override
public void addFilter(Filter filter) {
filters.add(filter);
}
/**
* {@inheritDoc}
*/
@Override
public void removeFilter(Filter addedFilter) {
filters.remove(addedFilter);
}
/**
* {@inheritDoc}
*/
@Override
public void addFilterPlugin(BaseXMLFilterPlugin filterComponentPlugin) {
addFilter(filterComponentPlugin);
}
/**
* {@inheritDoc}
*/
@Override
public void removeFilterPlugin(BaseXMLFilterPlugin filterComponentPlugin) {
removeFilter(filterComponentPlugin);
}
/**
* {@inheritDoc}
*/
public Object process(Object input) {
if (input == null) return input;
for (Iterator<Filter> filterIterator = filters.iterator();
filterIterator.hasNext();
) {
Filter filter = filterIterator.next();
input = filter.doFilter(input);
}
return input;
}
}