audiomanagershell.commands.InfoCommand.java Source code

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Here is the source code for audiomanagershell.commands.InfoCommand.java

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/*
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package audiomanagershell.commands;

import audiomanagershell.commands.exceptions.CommandException;
import audiomanagershell.commands.exceptions.FileNotFoundException;
import audiomanagershell.commands.exceptions.NotAFileException;

import java.io.FileInputStream;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.Files;
import java.util.Arrays;
import java.util.List;

import audiomanagershell.commands.exceptions.NotAudioFileException;
import org.apache.commons.io.FilenameUtils;
import org.apache.tika.exception.TikaException;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.mp3.Mp3Parser;
import org.apache.tika.sax.BodyContentHandler;
import org.xml.sax.SAXException;

/**
 *
 * @author ciprian
 */
public class InfoCommand extends Command {
    public InfoCommand(Path reference) {
        super(reference);
    }

    @Override
    public void execute() throws CommandException {
        String OS = System.getProperty("os.name").toLowerCase();
        Path file;
        if (OS.equals("windows"))
            file = Paths.get(this.pathRef.toString() + "\\" + this.arg);
        else
            file = Paths.get(this.pathRef.toString() + "/" + this.arg);
        String fileName = file.getFileName().toString();
        List<String> acceptedExtensions = Arrays.asList("wav", "mp3", "flac");
        List<String> infoWanted = Arrays.asList("title", "xmpDM:artist", "xmpDM:genre", "xmpDM:album",
                "xmpDM:releaseDate");
        if (!Files.exists(file))
            throw new FileNotFoundException(file.getFileName().toString());
        if (Files.isRegularFile(file)) {
            //Get the extension of the file
            String extension = FilenameUtils.getExtension(fileName);

            if (acceptedExtensions.contains(extension)) {
                try {
                    FileInputStream input = new FileInputStream(file.toFile());
                    Metadata metadata = new Metadata();
                    BodyContentHandler handler = new BodyContentHandler();
                    ParseContext pcontext = new ParseContext();

                    //MP3 Parser

                    Mp3Parser AudioParser = new Mp3Parser();
                    AudioParser.parse(input, handler, metadata, pcontext);

                    for (String name : infoWanted) {
                        String[] metadataName = name.split(":");
                        if (metadata.get(name) != null)
                            if (name.equals("title"))
                                System.out.println("TITLE:" + metadata.get(name));
                            else
                                System.out.println(metadataName[1].toUpperCase() + ":" + metadata.get(name));
                    }
                    input.close();
                } catch (IOException | TikaException | SAXException e) {
                    e.printStackTrace();
                }
            } else {
                throw new NotAudioFileException(fileName);
            }
        } else
            throw new NotAFileException(file.getFileName().toString());
    }

    @Override
    public void init(String args) {
        this.arg = args;
    }
}