TextFilter.java

/*
 * Copyright (C) 2011 Andrea Schweer
 *
 * This file is part of the Digital Parrot. 
 *
 * The Digital Parrot is free software; you can redistribute it and/or modify
 * it under the terms of the Eclipse Public License as published by the Eclipse
 * Foundation or its Agreement Steward, either version 1.0 of the License, or
 * (at your option) any later version.
 *
 * The Digital Parrot 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 Eclipse Public License for
 * more details.
 *
 * You should have received a copy of the Eclipse Public License along with the
 * Digital Parrot. If not, see http://www.eclipse.org/legal/epl-v10.html. 
 *
 */

package net.schweerelos.parrot.model.filters;

import java.util.HashSet;
import java.util.Set;

import net.schweerelos.parrot.model.NodeWrapper;
import net.schweerelos.parrot.model.ParrotModel;
import net.schweerelos.parrot.model.SearchFailedException;

public class TextFilter extends SimpleFilter {

	private String query;
	private int numberOfMatches = 0;

	public TextFilter(String queryString) {
		query = queryString;
	}

	@Override
	protected Set<NodeWrapper> extractApplicableNodeWrappers(
			ParrotModel parrotModel) {
		Set<NodeWrapper> result = null;
		try {
			result = parrotModel.searchNodeWrappers(query);
			numberOfMatches = result.size();
		} catch (SearchFailedException e) {
			// ignore
			e.printStackTrace();
			result = new HashSet<NodeWrapper>();
		}
		return result;
	}

	@Override
	protected boolean matches(NodeWrapper nodeWrapper) {
		return true;
	}

	public int getNumberOfMatches() {
		return numberOfMatches;
	}

	public String getQueryString() {
		return query;
	}	
	
}