org.openmrs.module.clinicalsummary.io.utils.TaskUtils.java Source code

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Here is the source code for org.openmrs.module.clinicalsummary.io.utils.TaskUtils.java

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/**
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */

package org.openmrs.module.clinicalsummary.io.utils;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.module.clinicalsummary.Constants;
import org.openmrs.util.OpenmrsConstants;
import org.openmrs.util.OpenmrsUtil;

import java.io.File;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 */
public class TaskUtils {

    private static final Log log = LogFactory.getLog(TaskUtils.class);

    /**
     * Method to execute a command inside the shell. The command is usually the mysqldump or mysql command.
     *
     * @param commands
     *
     * @throws InterruptedException
     */
    public static void executeCommand(final File workingDirectory, final String[] commands) throws Exception {
        Runtime runtime = Runtime.getRuntime();
        Process process;
        if (OpenmrsConstants.UNIX_BASED_OPERATING_SYSTEM)
            process = runtime.exec(commands, null, workingDirectory);
        else
            process = runtime.exec(commands);

        StreamHandler errorHandler = new StreamHandler(process.getErrorStream(), "ERROR");
        StreamHandler outputHandler = new StreamHandler(process.getInputStream(), "OUTPUT");

        ExecutorService executorService = Executors.newCachedThreadPool();

        executorService.execute(errorHandler);
        executorService.execute(outputHandler);

        int exitValue = process.waitFor();
        log.info("Process execution completed with exit value: " + exitValue + " ...");
    }

    /**
     * Return the output folder for the secret file used for encryption and decryption process
     *
     * @return the folder of the secret file
     */
    public static File getEncryptedOutputPath() {
        return OpenmrsUtil.getDirectoryInApplicationDataDirectory(Constants.ENCRYPTION_LOCATION);
    }

    /**
     * Return the output folder for the zipped file used for encryption and decryption process
     *
     * @return the folder of the zipped file
     */
    public static File getZippedOutputPath() {
        return OpenmrsUtil.getDirectoryInApplicationDataDirectory(Constants.ZIPPED_LOCATION);
    }

    /**
     * Return the root folder of the summary folder output structure
     *
     * @return the root folder of the summary folder output structure
     */
    public static File getSummaryOutputPath() {
        return OpenmrsUtil.getDirectoryInApplicationDataDirectory(Constants.GENERATED_PDF_LOCATION);
    }
}