coral.CoralStart.java Source code

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Here is the source code for coral.CoralStart.java

Source

/*
 *   Copyright 2009-2015 Markus Schaffner
 *
 *   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 coral;

import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;

public class CoralStart {

    public static void main(String[] args) {

        loadSwtJar(null);

        if (args.length == 0) {
            args = new String[] { "coral.properties" };
        }

        try {
            CoralHead.build(args);
        } catch (Throwable e) {
            lastresort("Problem starting Coral:", e);
            e.printStackTrace();
        }
    }

    private static void loadSwtJar(String swtPath) {
        if (swtPath == null) {
            String osName = System.getProperty("os.name").toLowerCase();
            String osArch = System.getProperty("os.arch").toLowerCase();

            String swtFileNameOsPart = osName.contains("win") ? "win32"
                    : osName.contains("mac") ? "osx"
                            : osName.contains("linux") || osName.contains("nix") ? "linux" : "";

            String swtFileNameArchPart = osArch.contains("64") ? "_x86_64" : "";
            swtPath = "lib/swt-" + swtFileNameOsPart + swtFileNameArchPart + ".jar";
        }

        try {
            URL swtFileUrl = new URL("file:" + swtPath);

            URLClassLoader classLoader = (URLClassLoader) CoralHead.class.getClassLoader();
            Method addUrlMethod = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
            addUrlMethod.setAccessible(true);

            addUrlMethod.invoke(classLoader, swtFileUrl);
            System.out.println("Added the swt jar to the class path: " + swtPath);
        } catch (Exception e) {
            System.out.println("Unable to add the swt jar to the class path: " + swtPath);
            lastresort("Unable to add the swt jar to the class path: " + swtPath + " ", e);
            e.printStackTrace();
        }
    }

    private static void lastresort(String msg, Throwable e) {
        System.out.println(msg);
        String s = org.apache.commons.lang.exception.ExceptionUtils.getFullStackTrace(e);
        System.out.println(s);
        javax.swing.JOptionPane.showMessageDialog(null, msg + "\n" + s);
    }
}