de.openflorian.alarm.transform.BinaryAlarmFaxTransformator.java Source code

Introduction

Here is the source code for de.openflorian.alarm.transform.BinaryAlarmFaxTransformator.java

Source

package de.openflorian.alarm.transform;

import java.io.*;
import java.util.stream.Collectors;

import de.openflorian.EventBusAddresses;
import de.openflorian.alarm.AlarmFaxEvent;

/*
 * This file is part of Openflorian.
 * 
 * Copyright (C) 2015  Bastian Kraus
 * 
 * Openflorian 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)
 *     
 * Openflorian 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 Openflorian.  If not, see <http://www.gnu.org/licenses/>.
 */

import io.vertx.core.eventbus.Message;

/**
 * Binary Alarm Fax Transformator Verticle<br/>
 * <br/>
 * Processes the given alarm fax with an OCR binary like tesseract.
 * 
 * @author Bastian Kraus <bofh@k-hive.de>
 */
public class BinaryAlarmFaxTransformator extends AbstractAlarmFaxTransformator {

    @Override
    public void transform(Message<Object> msg) {
        log.debug("Start transforming an alarm fax TIF file...");

        Process ps = null;
        try {
            AlarmFaxEvent event = (AlarmFaxEvent) msg.body();

            Runtime rt = Runtime.getRuntime();

            String resultTextFile = String.format("%s/%s", faxObervationDirectory, event.getResultFile().getName());

            String cmd = "";
            cmd = transformationCmd.replaceAll(transformationCmdVarInput,
                    event.getResultFile().getAbsolutePath().replace("\\", "/"));
            cmd = cmd.replaceAll(transformationCmdVarOutput, resultTextFile);

            log.debug("Running cmd: " + cmd);

            ps = rt.exec(cmd);

            int exitCode = ps.waitFor();
            if (exitCode == 0) {
                log.debug(String.format("Successful transformed '%s' to '%s'. Exit code: %d",
                        event.getResultFile().getAbsolutePath(), resultTextFile, exitCode));

                vertx.eventBus().send(EventBusAddresses.ARCHIVE_FILE, event.getResultFile().getAbsolutePath());

                vertx.eventBus().send(EventBusAddresses.ALARMFAX_TRANSFORMED,
                        new AlarmFaxEvent(new File(resultTextFile + ".txt")));
            } else {
                log.error(String.format("An error occured transforming '%s'. Exit code: %d",
                        event.getResultFile().getAbsolutePath(), exitCode));
                String errorMsg = new BufferedReader(new InputStreamReader(ps.getErrorStream())).lines()
                        .collect(Collectors.joining(System.getProperty("line.separator")));
                log.error(errorMsg);
            }
            ps.destroy();
        } catch (IOException e) {
            log.error(e.getMessage(), e);
        } catch (InterruptedException e) {
            log.error(e.getMessage(), e);
        } finally {
            if (ps != null)
                ps.destroy();
        }
    }

}