com.ibm.liberty.starter.StarterUtil.java Source code

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Here is the source code for com.ibm.liberty.starter.StarterUtil.java

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/*******************************************************************************
 * Copyright (c) 2016 IBM Corp.
 *
 * 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.
 *******************************************************************************/

package com.ibm.liberty.starter;

import org.apache.commons.io.FileUtils;

import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.validation.ValidationException;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.UUID;
import java.util.logging.Level;
import java.util.logging.Logger;

public class StarterUtil {

    private static final Logger log = Logger.getLogger(StarterUtil.class.getName());

    private static String serverOutputDir;

    public static final String WORKAREA = "workarea";
    public static final String APP_ACCELERATOR_WORKAREA = "appAccelerator";
    public static final String PACKAGE_DIR = "package";

    private static String processPath(String string) {
        if (string == null) {
            return "";
        }
        return string.replace('\\', '/');
    }

    private static String getServerOutputDir() {
        if (serverOutputDir == null) {
            try {
                serverOutputDir = processPath(((String) (new InitialContext().lookup("serverOutputDir"))));
                if (!serverOutputDir.endsWith("/")) {
                    serverOutputDir += "/";
                }
                log.info("serverOutputDir=" + serverOutputDir);
            } catch (NamingException ne) {
                log.severe("NamingException occurred while retrieving the value of 'serverOutputDir': " + ne);
                throw new ValidationException(
                        "NamingException occurred while retrieving the value of 'serverOutputDir': " + ne);
            }
        }
        return serverOutputDir;
    }

    public static String getWorkspaceDir(String workspaceId) {
        return getServerOutputDir() + WORKAREA + "/" + APP_ACCELERATOR_WORKAREA + "/" + workspaceId;
    }

    /**
     * Generate the list of files in the directory and all of its sub-directories (recursive)
     * 
     * @param dir - The directory
     * @param filesListInDir - List to store the files
     */
    public static void populateFilesList(File dir, List<File> filesListInDir) {
        File[] files = dir.listFiles();
        for (File file : files) {
            if (file.isFile()) {
                filesListInDir.add(file);
            } else {
                populateFilesList(file, filesListInDir);
            }
        }
    }

    public static String createCleanWorkspace() throws IOException {
        String uuid = UUID.randomUUID().toString();

        //Clean up workspace directory if it already exists (from previous server run)
        String workspaceDirPath = StarterUtil.getWorkspaceDir(uuid);
        File workspaceDir = new File(workspaceDirPath);
        if (workspaceDir.exists()) {
            log.log(Level.FINE, "Workspace directory already exists : " + workspaceDirPath);
            FileUtils.deleteDirectory(workspaceDir);
            log.log(Level.FINE, "Deleted workspace directory : " + workspaceDirPath);
        }
        return uuid;
    }

}