ConditionalLabelAction.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.labels;

import de.l3s.boilerpipe.conditions.TextBlockCondition;
import de.l3s.boilerpipe.document.TextBlock;

/**
 * Adds labels to a {@link TextBlock} if the given criteria are met.
 * 
 * @author Christian Kohlschütter
 */
public final class ConditionalLabelAction extends LabelAction {

    private final TextBlockCondition condition;

    public ConditionalLabelAction(TextBlockCondition condition,
            String... labels) {
        super(labels);
        this.condition = condition;
    }

    public void addTo(final TextBlock tb) {
        if (condition.meetsCondition(tb)) {
            addLabelsTo(tb);
        }
    }
}