public static EclipseInfo gatherEclipseInfo() throws Exception {
final Map<String, Feature> installedFeatures = new HashMap<String, Feature>();
// run eclipse to get a list of existing installed features
Command command =
new InfoCommand(
new OutputHandler() {
public void process(String line) {
logger.info(line);
if (line.startsWith(FEATURE)) {
String[] attrs = StringUtils.split(line.substring(FEATURE.length()));
File site = null;
try {
site = new File(new URL(attrs[2]).getFile());
} catch (Exception e) {
logger.error("Failed to parse feature: " + line, e);
}
installedFeatures.put(attrs[0], new Feature(attrs[1], site));
} else if (line.startsWith(CONFIGURATION)) {
String config = line.substring(CONFIGURATION.length());
if (config.startsWith("file:")) {
config = config.substring(5);
}
if (Os.isFamily(Os.FAMILY_WINDOWS) && config.startsWith("/")) {
config = config.substring(1);
}
String local = new File(config).getParent();
logger.info("eclipse.local=" + local);
Installer.getContext().setValue("eclipse.local", local);
} else if (line.startsWith(PROFILE)) {
String profile = line.substring(PROFILE.length());
logger.info("eclipse.profile=" + profile);
Installer.getContext().setValue("eclipse.profile", profile);
}
}
});
try {
command.start();
command.join();
if (command.getReturnCode() != 0) {
if (command.isShutdown()) {
return null;
}
throw new RuntimeException(
"error: " + command.getErrorMessage() + " out: " + command.getResult());
}
} finally {
command.destroy();
}
return new EclipseInfo(
(String) Installer.getContext().getValue("eclipse.profile"),
(String) Installer.getContext().getValue("eclipse.local"),
installedFeatures);
}
/** Installs the eclipse plugin used to install eclipse features. */
public static boolean installInstallerPlugin() throws Exception {
File updateDir = Installer.tempDir("update");
Extractor.extractResource("/files/installer-update-site.zip", updateDir);
String url = "file://" + updateDir;
Command command =
new InstallCommand(null, url, "org.eclim.installer", "org.eclipse.equinox.p2.director");
try {
command.start();
command.join();
if (command.getReturnCode() != 0) {
if (command.isShutdown()) {
return false;
}
RuntimeException re =
new RuntimeException(
"error: " + command.getErrorMessage() + " out: " + command.getResult());
logger.warn(
"Error installing eclim installer feature, " + "attempting uninstall/reinstall.");
// attempt to uninstall the feature
Command uninstall =
new UninstallCommand(
null, url, "org.eclim.installer", "org.eclipse.equinox.p2.director");
uninstall.start();
uninstall.join();
// now try to install again
command =
new InstallCommand(null, url, "org.eclim.installer", "org.eclipse.equinox.p2.director");
command.start();
command.join();
if (command.getReturnCode() != 0) {
if (command.isShutdown()) {
return false;
}
throw re;
}
}
Installer.getProject().setProperty("eclim.installer.feature.installed", "true");
Installer.getProject().setProperty("eclim.installer.feature.location", url);
} finally {
command.destroy();
}
return true;
}