-/*
- * Copyright (C) 2007-2012 Argeo GmbH
- *
- * 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 org.argeo.osgi.boot;
-
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.lang.reflect.Method;
-import java.util.List;
-import java.util.Vector;
-
-import org.eclipse.core.runtime.adaptor.EclipseStarter;
-import org.osgi.framework.BundleContext;
-
-/** Command line interface. */
-public class Launcher {
-
- public static void main(String[] args) {
- // Try to load system properties
- String systemPropertiesFilePath = OsgiBootUtils
- .getProperty(OsgiBoot.PROP_ARGEO_OSGI_BOOT_SYSTEM_PROPERTIES_FILE);
- if (systemPropertiesFilePath != null) {
- FileInputStream in;
- try {
- in = new FileInputStream(systemPropertiesFilePath);
- System.getProperties().load(in);
- } catch (IOException e1) {
- throw new RuntimeException(
- "Cannot load system properties from "
- + systemPropertiesFilePath, e1);
- }
- if (in != null) {
- try {
- in.close();
- } catch (Exception e) {
- // silent
- }
- }
- }
-
- // Start main class
- startMainClass();
-
- // Start Equinox
- BundleContext bundleContext = null;
- try {
- bundleContext = EclipseStarter.startup(args, null);
- } catch (Exception e) {
- throw new RuntimeException("Cannot start Equinox.", e);
- }
-
- // OSGi bootstrap
- OsgiBoot osgiBoot = new OsgiBoot(bundleContext);
- osgiBoot.bootstrap();
- }
-
- protected static void startMainClass() {
- String className = OsgiBootUtils
- .getProperty(OsgiBoot.PROP_ARGEO_OSGI_BOOT_APPCLASS);
- if (className == null)
- return;
-
- String line = System.getProperty(OsgiBoot.PROP_ARGEO_OSGI_BOOT_APPARGS,
- "");
-
- String[] uiArgs = readArgumentsFromLine(line);
-
- try {
- // Launch main method using reflection
- Class clss = Class.forName(className);
- Class[] mainArgsClasses = new Class[] { uiArgs.getClass() };
- Object[] mainArgs = { uiArgs };
- Method mainMethod = clss.getMethod("main", mainArgsClasses);
- mainMethod.invoke(null, mainArgs);
- } catch (Exception e) {
- throw new RuntimeException("Cannot start main class.", e);
- }
-
- }
-
- /**
- * Transform a line into an array of arguments, taking "" as single
- * arguments. (nested \" are not supported)
- */
- private static String[] readArgumentsFromLine(String lineOrig) {
- String line = lineOrig.trim();// remove trailing spaces
- List args = new Vector();
- StringBuffer curr = new StringBuffer("");
- boolean inQuote = false;
- char[] arr = line.toCharArray();
- for (int i = 0; i < arr.length; i++) {
- char c = arr[i];
- switch (c) {
- case '\"':
- inQuote = !inQuote;
- break;
- case ' ':
- if (!inQuote) {// otherwise, no break: goes to default
- if (curr.length() > 0) {
- args.add(curr.toString());
- curr = new StringBuffer("");
- }
- break;
- }
- default:
- curr.append(c);
- break;
- }
- }
-
- // Add last arg
- if (curr.length() > 0) {
- args.add(curr.toString());
- curr = null;
- }
-
- String[] res = new String[args.size()];
- for (int i = 0; i < args.size(); i++) {
- res[i] = args.get(i).toString();
- }
- return res;
- }
-
-}