source: other-projects/the-macronizer/trunk/src/java/monogram/plugin/PluginODT.java@ 29855

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package monogram.plugin;

import util.Utils4JJ;
import java.io.File;
import java.io.IOException;
import java.util.UUID;
import monogram.restorer.XMLRestorer;
import util.FileUtil;

/**
 *
 * @author OEM
 */
public class PluginODT implements Plugin {

    private File tmpdir;

    public PluginODT(File tmpdir) {
        this.tmpdir = tmpdir;
    }

    public File run(PluginConfiguration configuration) throws Exception {
        //Create a directory to store the unzipped file.
        File unzipDir = createTmpDirectoryInTmp();
        //Unzip the file in the directory.
        Utils4JJ.unzip(configuration.getFile(), unzipDir);

        //Restore the document.xml file.
        File documentIn = new File(unzipDir, "content.xml");
        File documentOut = new File(unzipDir, "mi-tmp-content.xml");
        XMLRestorer restorer = new XMLRestorer();
        restorer.restore(documentIn, "utf-8", documentOut, configuration.getPreserveExistingMacrons());
        //Delete the old document.xml and rename the restored document.
        documentIn.delete();
        documentOut.renameTo(new File(unzipDir.getCanonicalPath() + File.separator + "content.xml"));

        //Create a file to store the zipped file.
        File zipFile = File.createTempFile("mi-tmp-", configuration.getFileType(), tmpdir);
        //Zip the file.
        Utils4JJ.zipDir(unzipDir, null, zipFile);
        //Delete zip directory.
        if (unzipDir.getName().startsWith("mi-tmp-")) {
            FileUtil.deleteFile(unzipDir);
        }
        return zipFile;
    }

    //TODO move this to fileutil preferably with methods from Utils4JJ.
    private File createTmpDirectoryInTmp() throws IOException {
        final int maxAttempts = 10;
        int attempt = 0;
        do {
            String random = UUID.randomUUID().toString();
            File dir = new File(tmpdir + File.separator + "mi-tmp-" + random);
            if (! dir.exists() && dir.mkdir()) {
                System.out.println(dir.getCanonicalPath());
                return dir;
            }
        } while (++attempt < maxAttempts);
        throw new IOException("Cound not create temp directory.");
    }
}