channellistmaker.dataextractor.AbstractAllEPGFileExtractor.java Source code

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Here is the source code for channellistmaker.dataextractor.AbstractAllEPGFileExtractor.java

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/*
 * Copyright (C) 2016 normal
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package channellistmaker.dataextractor;

import java.lang.invoke.MethodHandles;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.commons.collections4.keyvalue.MultiKey;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.w3c.dom.Document;

/**
 * ?????XML???????
 *
 * @author dosdiaopfhj
 * @param <T> EPGData??
 * @param <U> ??
 */
public abstract class AbstractAllEPGFileExtractor<T extends EpgData, U extends AbstractEPGFileExtractor<T>> {

    private static final Log LOG;

    static {
        final Class<?> myClass = MethodHandles.lookup().lookupClass();
        LOG = LogFactory.getLog(myClass);
    }
    private final Set<Document> EPGXMLs;

    /**
     * @param EPGXMLs ??EPG XML?
     */
    public AbstractAllEPGFileExtractor(Set<Document> EPGXMLs) {
        this.EPGXMLs = EPGXMLs;
    }

    /**
     * XML???????getAllEPGRecords()??
     *
     * @param doc ??XML
     * @return ??
     */
    protected abstract U getExtractor(Document doc);

    /**
     * ????XML?? getExtractor()?????????????
     *
     * @return ???
     */
    public final synchronized Map<MultiKey<Integer>, T> getAllEPGRecords() {
        Map<MultiKey<Integer>, T> temp1 = new ConcurrentHashMap<>();
        LOG.info("XML? = " + this.EPGXMLs.size());
        for (Document D : this.EPGXMLs) {
            Map<MultiKey<Integer>, T> temp2;
            temp2 = this.getExtractor(D).makeMap();
            temp1.putAll(temp2);
        }
        return Collections.unmodifiableMap(temp1);
    }
}