com.ikon.servlet.TextToSpeechServlet.java Source code

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Here is the source code for com.ikon.servlet.TextToSpeechServlet.java

Source

/**
 *  openkm, Open Document Management System (http://www.openkm.com)
 *  Copyright (c) 2006-2013  Paco Avila & Josep Llort
 *
 *  No bytes were intentionally harmed during the development of this application.
 *
 *  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 2 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, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.ikon.servlet;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.ikon.api.OKMDocument;
import com.ikon.bean.Document;
import com.ikon.core.AccessDeniedException;
import com.ikon.core.ConversionException;
import com.ikon.core.DatabaseException;
import com.ikon.core.PathNotFoundException;
import com.ikon.core.RepositoryException;
import com.ikon.util.DocConverter;
import com.ikon.util.WebUtils;

/**
 * Only for enjoy
 */
public class TextToSpeechServlet extends HttpServlet {
    private static Logger log = LoggerFactory.getLogger(TextToSpeechServlet.class);
    private static final long serialVersionUID = 1L;

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        String cmd = "espeak -v mb-es1 -f input.txt | mbrola -e /usr/share/mbrola/voices/es1 - -.wav "
                + "| oggenc -Q - -o output.ogg";
        String text = WebUtils.getString(request, "text");
        String docPath = WebUtils.getString(request, "docPath");
        response.setContentType("audio/ogg");
        FileInputStream fis = null;
        OutputStream os = null;

        try {
            if (!text.equals("")) {
                FileUtils.writeStringToFile(new File("input.txt"), text);
            } else if (!docPath.equals("")) {
                InputStream is = OKMDocument.getInstance().getContent(null, docPath, false);
                Document doc = OKMDocument.getInstance().getProperties(null, docPath);
                DocConverter.getInstance().doc2txt(is, doc.getMimeType(), new File("input.txt"));
            }

            // Convert to voice
            ProcessBuilder pb = new ProcessBuilder("/bin/sh", "-c", cmd);
            Process process = pb.start();
            process.waitFor();
            String info = IOUtils.toString(process.getInputStream());
            process.destroy();

            if (process.exitValue() == 1) {
                log.warn(info);
            }

            // Send to client
            os = response.getOutputStream();
            fis = new FileInputStream("output.ogg");
            IOUtils.copy(fis, os);
            os.flush();
        } catch (InterruptedException e) {
            log.warn(e.getMessage(), e);
        } catch (IOException e) {
            log.warn(e.getMessage(), e);
        } catch (PathNotFoundException e) {
            log.warn(e.getMessage(), e);
        } catch (AccessDeniedException e) {
            log.warn(e.getMessage(), e);
        } catch (RepositoryException e) {
            log.warn(e.getMessage(), e);
        } catch (DatabaseException e) {
            log.warn(e.getMessage(), e);
        } catch (ConversionException e) {
            log.warn(e.getMessage(), e);
        } finally {
            IOUtils.closeQuietly(fis);
            IOUtils.closeQuietly(os);
        }
    }
}