private String decodeMessage()

in src/main/java/org/apache/sling/discovery/base/connectors/ping/TopologyRequestValidator.java [219:253]
34 lines of code
13 McCabe index (conditional complexity)

    private String decodeMessage(String prefix, String url, String body, String requestHash)
            throws IOException {
        if (trustEnabled) {
            String bodyHash = hash(prefix + url + ":" + body);
            if (bodyHash.equals(requestHash)) {
                if (encryptionEnabled) {
                    try {
                        JsonObject json = Json.createReader(new StringReader(body)).readObject();
                        if (json.containsKey("payload")) {
                            return decrypt(json.getJsonArray("payload"));
                        }
                    } catch (JsonException e) {
                        throw new IOException("Encrypted Message is in the correct json format");
                    } catch (InvalidKeyException e) {
                        throw new IOException("Encrypted Message is in the correct json format");
                    } catch (IllegalBlockSizeException e) {
                        throw new IOException("Encrypted Message is in the correct json format");
                    } catch (BadPaddingException e) {
                        throw new IOException("Encrypted Message is in the correct json format");
                    } catch (NoSuchAlgorithmException e) {
                        throw new IOException("Encrypted Message is in the correct json format");
                    } catch (NoSuchPaddingException e) {
                        throw new IOException("Encrypted Message is in the correct json format");
                    } catch (InvalidAlgorithmParameterException e) {
                        throw new IOException("Encrypted Message is in the correct json format");
                    } catch (InvalidKeySpecException e) {
                        throw new IOException("Encrypted Message is in the correct json format");
                    }

                }
            }
            throw new IOException("Message is not valid, hash does not match message");
        }
        return body;
    }