HeuristicFilterBase.java

/**
 * Copyright (C) 2013 Christian Kohlschütter (ckkohl79@gmail.com)
 *
 * Licensed 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 de.l3s.boilerpipe.filters.english;

import de.l3s.boilerpipe.document.TextBlock;

/**
 * Base class for some heuristics that are used by boilerpipe filters.
 * 
 * @author Christian Kohlschütter
 */
abstract class HeuristicFilterBase {

    protected static int getNumFullTextWords(final TextBlock tb) {
        return getNumFullTextWords(tb, 9);
    }
    protected static int getNumFullTextWords(final TextBlock tb, float minTextDensity) {
        if(tb.getTextDensity() >= minTextDensity) {
            return tb.getNumWords();
        } else {
            return 0;
        }
    }

}