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/*******************************************************************************
* Copyright (c) 2016 Ericsson.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package org.eclipse.cdt.debug.application;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Stream;
/**
* A "script" that generates the config.ini used by the stand-alone debugger
* script. This is done by parsing the debug.product file to find the plug-ins.
*/
public class ConfigGenerator {
private static final Pattern PLUGIN_LINE_PATTERN = Pattern.compile("\\s*<plugin id=\"(\\S*)\".*"); //$NON-NLS-1$
/** Plug-ins requiring a start level for things to work correctly */
private static final Map<String, String> PLUGINS_WITH_START_LEVEL = new HashMap<>();
/** Plug-ins that we don't want to load when using the script VS using the product */
private static final Set<String> PLUGINS_NOT_IN_SCRIPT_VERSION = new HashSet<>();
static {
PLUGINS_WITH_START_LEVEL.put("org.apache.felix.scr", "@1\\:start"); //$NON-NLS-1$ //$NON-NLS-2$
PLUGINS_WITH_START_LEVEL.put("org.eclipse.equinox.common", "@2\\:start"); //$NON-NLS-1$ //$NON-NLS-2$
PLUGINS_WITH_START_LEVEL.put("org.eclipse.core.runtime", "@start"); //$NON-NLS-1$ //$NON-NLS-2$
// We don't want the user to do "Check for updates", etc.
PLUGINS_NOT_IN_SCRIPT_VERSION.add("org.eclipse.update.configurator"); //$NON-NLS-1$
PLUGINS_NOT_IN_SCRIPT_VERSION.add("org.eclipse.equinox.p2.ui"); //$NON-NLS-1$
PLUGINS_NOT_IN_SCRIPT_VERSION.add("org.eclipse.equinox.p2.ui.sdk"); //$NON-NLS-1$
}
public static void main(String[] args) {
if (args.length < 4) {
printUsage();
System.exit(1);
}
String productFilePath = args[1];
List<String> pluginList = parsePluginList(productFilePath);
if (pluginList.isEmpty()) {
System.err.println("No plugins. Something must have gone wrong."); //$NON-NLS-1$
System.exit(1);
}
Path configOutputPath = Paths.get(args[3]);
generateConfigIni(pluginList, configOutputPath);
System.exit(0);
}
private static void generateConfigIni(List<String> pluginList, Path configOutputPath) {
try (FileWriter r = new FileWriter(configOutputPath.toFile())) {
r.write("osgi.install.area=file\\:$eclipse.home$\n"); //$NON-NLS-1$
r.write("osgi.framework=file\\:$eclipse.home$/plugins/$osgi.jar$\n"); //$NON-NLS-1$
r.write("osgi.bundles="); //$NON-NLS-1$
// Write all plug-in names
for (int i = 0; i < pluginList.size(); i++) {
String pluginName = pluginList.get(i);
if (PLUGINS_NOT_IN_SCRIPT_VERSION.contains(pluginName)) {
continue;
}
r.write(pluginName);
// Add start level if necessary
if (PLUGINS_WITH_START_LEVEL.containsKey(pluginName)) {
r.write(PLUGINS_WITH_START_LEVEL.get(pluginName));
}
r.write(',');
}
r.write('\n');
r.write("osgi.configuration.cascaded=false\n"); //$NON-NLS-1$
r.write("osgi.bundles.defaultStartLevel=4\n"); //$NON-NLS-1$
} catch (IOException e) {
e.printStackTrace();
System.exit(1);
}
}
private static List<String> parsePluginList(String productPath) {
List<String> pluginList = new ArrayList<>();
try (Stream<String> stream = Files.lines(Paths.get(productPath))) {
stream.forEach((line) -> {
Matcher m = PLUGIN_LINE_PATTERN.matcher(line);
if (m.matches()) {
pluginList.add(m.group(1));
}
});
} catch (IOException e) {
e.printStackTrace();
System.exit(1);
}
return pluginList;
}
private static void printUsage() {
System.err.println("Usage:"); //$NON-NLS-1$
System.err.println(" ConfigGenerator -product /path/to/foo.product -out /path/to/config.ini"); //$NON-NLS-1$
}
}
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