private static boolean canWrite(URL location) {
if (location != null && "file".equals(location.getProtocol())) { // $NON-NLS-1$
File locationDir = new File(location.getFile());
if (!locationDir.exists()) locationDir.mkdirs();
if (locationDir.exists() && AdaptorUtil.canWrite(locationDir)) return true;
}
return false;
}
private static String computeDefaultConfigurationLocation() {
// 1) We store the config state relative to the 'eclipse' directory if possible
// 2) If this directory is read-only
// we store the state in <user.home>/.eclipse/<application-id>_<version> where <user.home>
// is unique for each local user, and <application-id> is the one
// defined in .eclipseproduct marker file. If .eclipseproduct does not
// exist, use "eclipse" as the application-id.
URL installURL = computeInstallConfigurationLocation();
if (installURL != null && "file".equals(installURL.getProtocol())) { // $NON-NLS-1$
File installDir = new File(installURL.getFile());
File defaultConfigDir = new File(installDir, CONFIG_DIR);
if (!defaultConfigDir.exists()) defaultConfigDir.mkdirs();
if (defaultConfigDir.exists() && AdaptorUtil.canWrite(defaultConfigDir))
return defaultConfigDir.getAbsolutePath();
}
// We can't write in the eclipse install dir so try for some place in the user's home dir
return computeDefaultUserAreaLocation(CONFIG_DIR);
}
/**
* Returns a file from the configuration area that can be used by the framework
*
* @param filename the filename
* @return a file from the configuration area
*/
public static File getConfigurationFile(String filename) {
File dir = getOSGiConfigurationDir();
if (!dir.exists()) dir.mkdirs();
return new File(dir, filename);
}