uk.ac.ebi.arrayexpress.components.SetupDirectoryCheck.java Source code

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Here is the source code for uk.ac.ebi.arrayexpress.components.SetupDirectoryCheck.java

Source

package uk.ac.ebi.arrayexpress.components;

import java.io.File;
import java.util.Map;

import org.apache.commons.configuration.HierarchicalConfiguration;
import org.apache.commons.io.FileUtils;
import org.basex.server.ClientSession;
import org.basex.server.Session;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xmldb.api.DatabaseManager;
import org.xmldb.api.base.Collection;
import org.xmldb.api.base.Database;
import org.xmldb.api.base.XMLDBException;

import uk.ac.ebi.arrayexpress.app.Application;
import uk.ac.ebi.arrayexpress.app.ApplicationComponent;
import uk.ac.ebi.arrayexpress.utils.file.FileUtilities;

/*
 * Copyright 2009-2011 European Molecular Biology Laboratory
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

// This classe is used to check if the Setup(and backup) Directory exists (this is necessary because aour application servers allways removed the temporary files when rebooted.
// If something is wrong I will sent an email to warn about that
public class SetupDirectoryCheck extends ApplicationComponent {
    // logging machinery
    private final Logger logger = LoggerFactory.getLogger(getClass());

    private String setupDirectory;
    private String globalSetupDirectory;
    private String globalSetupLuceneDirectory;
    private String backupDirectory;

    public void initialize() throws Exception {
        HierarchicalConfiguration connsConf = (HierarchicalConfiguration) Application.getInstance().getPreferences()
                .getConfSubset("bs");

        String emailError = "";

        if (null != connsConf) {
            setupDirectory = connsConf.getString("setupDirectory");
            globalSetupDirectory = connsConf.getString("globalSetupDirectory");
            globalSetupLuceneDirectory = connsConf.getString("globalSetupLuceneDirectory");
            backupDirectory = connsConf.getString("backupDirectory");

            logger.debug("setupDirectory->" + setupDirectory);
            logger.debug("globalSetupLuceneDirectory->" + globalSetupLuceneDirectory);
            logger.debug("backupDirectory->" + backupDirectory);
        } else {
            logger.error("bs Configuration is missing!!");
        }
        try {
            File fileSetup = new File(setupDirectory);
            File fileGlobalSetupLucene = new File(
                    globalSetupDirectory + File.separator + globalSetupLuceneDirectory);
            logger.debug("fileGlobalSetup->" + fileGlobalSetupLucene.getAbsolutePath());
            if (!fileGlobalSetupLucene.exists()) {
                this.getApplication().sendEmail(null, null, "BIOSAMPLES: ##### INITIALIZATION WARNING #######",
                        "The globalSetupLuceneDirectory doesnt exist and it can cause problems (temporary directories removed during the servers restart)");
            }

            // Now I will try the backupdirectory
            File fileBackup = new File(backupDirectory);
            if (!fileBackup.exists()) {
                emailError += "The backupDirectory (" + backupDirectory + ") doesnt exist!!!! ERROR\n";
                FileUtils.forceMkdir(fileBackup);
            }

            // setupDirectory test
            boolean exists = fileSetup.exists();
            if (!exists) {
                // send an email warning and copy it from a globalSetupDirectory
                emailError = "The Setup directory does not exist (" + setupDirectory + ")\n";
                if (fileGlobalSetupLucene.exists()) {
                    emailError += "The Setup directory is being populated with the data from globalSetupLuceneDirectory ("
                            + globalSetupLuceneDirectory + ")\n";
                    // FileUtils.copyDirectoryToDirectory(fileGlobalSetup,
                    // fileSetupPreviousDirectory); (this also copies the own
                    // directores
                    FileUtilities.copyFolder(fileGlobalSetupLucene, fileSetup);

                } else {
                    emailError += "The globalSetupLuceneDirectory (" + globalSetupLuceneDirectory
                            + ") also doesnt exist!!!! ERROR\n";
                }
                this.getApplication().sendEmail(null, null, "BIOSAMPLES: ##### INITIALIZATION ERROR #######",
                        emailError);
            }

        } catch (Exception e) {
            // TODO Auto-generated catch block
            this.getApplication().sendEmail(null, null, "BIOSAMPLES: ##### INITIALIZATION ERROR #######",
                    emailError);
            logger.error("Exception:->[{}]", e.getMessage());
            e.printStackTrace();
        }
    }

    @Override
    public void terminate() throws Exception {
        // TODO Auto-generated method stub

    }

}