de.uzk.hki.da.convert.PublishAudioConversionStrategy.java Source code

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Here is the source code for de.uzk.hki.da.convert.PublishAudioConversionStrategy.java

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/*
  DA-NRW Software Suite | ContentBroker
  Copyright (C) 2013 Historisch-Kulturwissenschaftliche Informationsverarbeitung
  Universitt zu Kln
    
  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 de.uzk.hki.da.convert;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang.ArrayUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import de.uzk.hki.da.format.KnownFormatCmdLineErrors;
import de.uzk.hki.da.model.AudioRestriction;
import de.uzk.hki.da.model.ConversionInstruction;
import de.uzk.hki.da.model.DAFile;
import de.uzk.hki.da.model.Event;
import de.uzk.hki.da.model.Object;
import de.uzk.hki.da.model.WorkArea;
import de.uzk.hki.da.utils.CommandLineConnector;
import de.uzk.hki.da.utils.Path;
import de.uzk.hki.da.utils.ProcessInformation;
import de.uzk.hki.da.utils.StringUtilities;

/**
 * The Class PublishAudioConversionStrategy.
 * @author Daniel M. de Oliveira
 */
public class PublishAudioConversionStrategy extends PublishConversionStrategyBase {

    /** The logger. */
    private static Logger logger = LoggerFactory.getLogger(PublishAudioConversionStrategy.class);

    /** The cli connector. */
    private CommandLineConnector cliConnector;

    /* (non-Javadoc)
     * @see de.uzk.hki.da.convert.ConversionStrategy#convertFile(de.uzk.hki.da.model.ConversionInstruction)
     */
    @Override
    public List<Event> convertFile(WorkArea wa, ConversionInstruction ci) throws FileNotFoundException {
        if (object == null)
            throw new IllegalStateException("object not set");

        if (cliConnector == null)
            throw new IllegalStateException("cliConnector not set");

        Path.makeFile(wa.dataPath(), pips, "public", ci.getTarget_folder()).mkdirs();
        Path.makeFile(wa.dataPath(), pips, "institution", ci.getTarget_folder()).mkdirs();

        List<Event> results = new ArrayList<Event>();

        for (String audience : audiences) {

            Path source = Path.make(wa.toFile(ci.getSource_file()).getAbsolutePath());
            Path target = Path.make(wa.dataPath(), pips, audience.toLowerCase(), ci.getTarget_folder(),
                    FilenameUtils.getBaseName(wa.toFile(ci.getSource_file()).getAbsolutePath()) + ".mp3");
            logger.debug("source:" + FilenameUtils.getBaseName(wa.toFile(ci.getSource_file()).getAbsolutePath()));

            String cmdPUBLIC[] = new String[] { "sox", source.toString(), target.toString() };
            logger.debug("source:" + source);
            logger.debug("target:" + target);
            ProcessInformation pi = null;
            try {
                pi = cliConnector.runCmdSynchronously(
                        (String[]) ArrayUtils.addAll(cmdPUBLIC, getDurationRestrictionsForAudience(audience)));
            } catch (IOException e1) {
                throw new RuntimeException("command not succeeded, not found!");
            }
            if (pi.getExitValue() != 0)
                throw new RuntimeException("command not succeeded");

            DAFile f1 = new DAFile(pips + "/" + audience.toLowerCase(),
                    StringUtilities.slashize(ci.getTarget_folder())
                            + FilenameUtils.getBaseName(wa.toFile(ci.getSource_file()).getAbsolutePath()) + ".mp3");

            Event e = new Event();
            e.setType("CONVERT");
            e.setSource_file(ci.getSource_file());
            e.setTarget_file(f1);
            e.setDetail(StringUtilities.createString(cmdPUBLIC));
            e.setDate(new Date());
            results.add(e);
        }

        return results;
    }

    /**
     * Gets the duration restrictions for audience.
     *
     * @param audience the audience
     * @return the duration restrictions for audience
     */
    private String[] getDurationRestrictionsForAudience(String audience) {

        if (getPublicationRightForAudience(audience) == null)
            return new String[] {};

        AudioRestriction audioRestriction = getPublicationRightForAudience(audience).getAudioRestriction();

        if (audioRestriction != null && audioRestriction.getDuration() != null) {
            String duration = audioRestriction.getDuration().toString();

            logger.debug("duration restriction for audience " + audience + ": " + duration + " Adding \"trim 0 "
                    + duration + "\" to command ");
            if (!duration.isEmpty())
                return new String[] { "trim", "0", duration };
        }

        logger.debug("No resize information found for audience " + audience);

        return new String[] {};
    }

    /* (non-Javadoc)
     * @see de.uzk.hki.da.convert.ConversionStrategy#setParam(java.lang.String)
     */
    @Override
    public void setParam(String param) {
    }

    /* (non-Javadoc)
     * @see de.uzk.hki.da.convert.ConversionStrategy#setCLIConnector(de.uzk.hki.da.convert.CLIConnector)
     */
    @Override
    public void setCLIConnector(CommandLineConnector cliConnector) {
        this.cliConnector = cliConnector;
    }

    /* (non-Javadoc)
     * @see de.uzk.hki.da.convert.ConversionStrategy#setObject(de.uzk.hki.da.model.Object)
     */
    @Override
    public void setObject(Object obj) {
        this.object = obj;
    }

    @Override
    public void setPruneErrorOrWarnings(boolean prune) {

    }

    @Override
    public void setKnownFormatCommandLineErrors(KnownFormatCmdLineErrors knownErrors) {

    }

}