private boolean loadKeystoreData()

in jaas/jaas-config/src/main/java/org/apache/servicemix/kernel/jaas/config/impl/ResourceKeystoreInstance.java [243:287]
41 lines of code
17 McCabe index (conditional complexity)

    private boolean loadKeystoreData() {
        // Check to reload the data if needed
        if (keystoreFile != null && keystoreReadDate >= keystoreFile.lastModified()) {
            return true;
        }
        // If not a file, just not reload the data if it has already been loaded
        if (keystoreFile == null && keystore != null) {
            return true;
        }
        // Check if the file is invalid
        if (keystoreFile != null && (!keystoreFile.exists() || !keystoreFile.canRead())) {
            throw new IllegalArgumentException("Invalid keystore file (" + path + " = " + keystoreFile.getAbsolutePath() + ")");
        }
        // Load the keystore data
        try {
            keystoreReadDate = System.currentTimeMillis();
            privateKeys.clear();
            trustCerts.clear();
            if (keystore == null) {
                keystore = KeyStore.getInstance(JKS);
            }
            InputStream in = new BufferedInputStream(path.getInputStream());
            keystore.load(in, keystorePassword == null ? new char[0] : keystorePassword.toCharArray());
            in.close();
            Enumeration aliases = keystore.aliases();
            while (aliases.hasMoreElements()) {
                String alias = (String) aliases.nextElement();
                if (keystore.isKeyEntry(alias)) {
                    privateKeys.add(alias);
                } else if (keystore.isCertificateEntry(alias)) {
                    trustCerts.add(alias);
                }
            }
            return true;
        } catch (KeyStoreException e) {
            LOG.error("Unable to open keystore with provided password", e);
        } catch (IOException e) {
            LOG.error("Unable to open keystore with provided password", e);
        } catch (NoSuchAlgorithmException e) {
            LOG.error("Unable to open keystore with provided password", e);
        } catch (CertificateException e) {
            LOG.error("Unable to open keystore with provided password", e);
        }
        return false;
    }