Examples with BeanInitializationException org.springframework.beans.factory.BeanInitializationException used on opensource projects

Example 41 with BeanInitializationException

use of org.springframework.beans.factory.BeanInitializationException in project openolat by klemens.

the class WebappHelper method testUtf8FileSystem.

/**
 * Test if filesystem is capable to store UTF-8 characters
 * Try to read/write a file with UTF-8 chars in the filename in a temporary directory.
 */
private void testUtf8FileSystem() {
    File tmpDir = new File(new File(WebappHelper.getUserDataRoot()), "tmp");
    if (!tmpDir.exists())
        tmpDir.mkdir();
    File writeFile = new File(tmpDir, "UTF-8 test läsÖiç-首页|新");
    if (writeFile.exists()) {
        // remove exising files first
        writeFile.delete();
    }
    try {
        writeFile.createNewFile();
    } catch (IOException e) {
        log.warn("No UTF-8 capable filesystem found! Error while writing testfile to filesystem", e);
    }
    // try to lookup file: get files from filesystem and search for file we created above
    File[] tmpFiles = tmpDir.listFiles();
    boolean foundUtf8File = false;
    if (tmpFiles != null) {
        for (int i = 0; i < tmpFiles.length; i++) {
            File tmpFile = tmpFiles[i];
            if (tmpFile.getName().equals("UTF-8 test läsÖiç-首页|新")) {
                foundUtf8File = true;
                break;
            }
        }
    }
    if (foundUtf8File) {
        // test ok
        log.info("UTF-8 capable filesystem detected");
    } else {
        // test failed
        log.warn("No UTF-8 capable filesystem found! Could not read / write UTF-8 characters from / to filesystem! " + "You probably misconfigured your system, try setting your LANG variable to a correct value.");
        log.warn("Your current file encoding configuration: java.nio.charset.Charset.defaultCharset().name()::" + java.nio.charset.Charset.defaultCharset().name() + " (the one used) and your system property file.encoding::" + System.getProperty("file.encoding") + " (the one configured)");
    }
    // try to delete file anyway
    writeFile.delete();
    if (!foundUtf8File && WebappHelper.enforceUtf8Filesystem) {
        throw new BeanInitializationException("System startup aborted to to file system missconfiguration. See previous warnings in logfile and fix your " + "Java environment. This check can be disabled by setting enforce.utf8.filesystem=false, but be aware that the " + "decision to use a certain encoding on the filesystem is a one-time decision. You can not cange to UTF-8 later!");
    }
}