org.jumpmind.metl.Wrapper.java Source code

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Here is the source code for org.jumpmind.metl.Wrapper.java

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/**
 * Licensed to JumpMind Inc under one or more contributor
 * license agreements.  See the NOTICE file distributed
 * with this work for additional information regarding
 * copyright ownership.  JumpMind Inc licenses this file
 * to you under the GNU General Public License, version 3.0 (GPLv3)
 * (the "License"); you may not use this file except in compliance
 * with the License.
 *
 * You should have received a copy of the GNU General Public License,
 * version 3.0 (GPLv3) along with this library; if not, see
 * <http://www.gnu.org/licenses/>.
 *
 * 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 org.jumpmind.metl;

import static org.apache.commons.lang.StringUtils.isBlank;

import java.io.File;
import java.security.ProtectionDomain;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.jumpmind.symmetric.wrapper.WrapperHelper;

public class Wrapper {

    protected static final String SYS_CONFIG_DIR = "org.jumpmind.metl.ui.init.config.dir";
    protected static final String METL_HOME = "METL_HOME";

    public static void runServiceWrapper(String[] args) throws Exception {

        String configFileName = "metl_service.conf";
        ProtectionDomain protectionDomain = Wrapper.class.getProtectionDomain();
        String jarFileName = protectionDomain.getCodeSource().getLocation().getFile();

        String appHomeDir = getConfigDir(true);

        File configFile = new File(appHomeDir, configFileName);
        if (!configFile.exists()) {
            try {
                String propContent = IOUtils
                        .toString(Wrapper.class.getClassLoader().getResourceAsStream(configFileName));
                propContent = propContent.replace("$(metl.war)", jarFileName);
                propContent = propContent.replace("$(java.io.tmpdir)", appHomeDir + File.separator + "tmp");
                propContent = propContent.replace("$(metl.home.dir)", appHomeDir);
                FileUtils.write(configFile, propContent);
            } catch (Exception e) {
                System.out.println("Unable to write config file for service wrapper." + e.getMessage());
                System.exit(-1);
            }
        }
        System.out.println("Calling WrapperHelper with parameters:  applHomeDir==>" + appHomeDir
                + ", configFile ==>" + appHomeDir + "/" + configFileName + " jarfile==> " + jarFileName);
        WrapperHelper.run(args, appHomeDir, appHomeDir + File.separator + configFileName, jarFileName);
    }

    protected static String getConfigDir(boolean printInstructions) {
        String configDir = System.getProperty(SYS_CONFIG_DIR);
        if (isBlank(configDir)) {
            configDir = System.getenv(METL_HOME);
            if (isBlank(configDir)) {
                configDir = System.getProperty("user.home") + "/.metl";
                if (printInstructions) {
                    System.out.println(
                            "You can configure the following system property to point to a working directory "
                                    + "where configuration files can be found: -D" + SYS_CONFIG_DIR
                                    + "=/some/config/dir");
                }
            }
        }

        if (isBlank(System.getProperty("h2.baseDir"))) {
            System.setProperty("h2.baseDir", configDir);
        }

        if (printInstructions) {
            System.out.println("The current config directory is " + configDir);
            System.out.println("The current working directory is " + System.getProperty("user.dir"));
            System.out.println("");
            System.out.println("");
        }
        return configDir;
    }

}