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);
}
public Status validate() {
String eclipseHome = (String) Installer.getContext().getValue("eclipse.home");
eclipseHome = eclipseHome.replace('\\', '/');
// probably a better way
File file = new File(eclipseHome + "/readme/readme_eclipse.html");
String version = null;
if (file.exists()) {
version = versionFromReadme(file);
}
if (version == null) {
version = versionFromPlugins(eclipseHome);
}
if (version == null) {
return new Status(WARN, Installer.getString("eclipse.validation.failed"));
}
String[] parts = StringUtils.split(version, '.');
int major = Integer.parseInt(parts[0]);
int minor = Integer.parseInt(parts[1]);
int patch = parts.length > 2 ? Integer.parseInt(parts[2]) : 0;
if (major < 3 || minor < 7 || patch < 0) {
return new Status(
FAIL, Installer.getString("eclipse.version.invalid", version, "3.7.x (Indigo)"));
}
return OK_STATUS;
}
/**
* {@inheritDoc}
*
* @see RequirementProvider#getRequirements()
*/
public Requirement[] getRequirements() {
if (Os.isFamily("windows")) {
Requirement[] requirements = new Requirement[1];
requirements[0] = new EclipseRequirement();
return requirements;
}
InstallContext context = Installer.getContext();
boolean skipVim = ((Boolean) context.getValue("vim.skip")).booleanValue();
Requirement[] requirements = new Requirement[skipVim ? 3 : 4];
requirements[0] = new EclipseRequirement();
requirements[1] = new WhichRequirement("make");
requirements[2] = new WhichRequirement("gcc");
if (!skipVim) {
requirements[3] = new VimRequirement();
}
return requirements;
}
