public synchronized List getSignatures()

in jsign-core/src/main/java/net/jsign/mscab/MSCabinetFile.java [194:222]
27 lines of code
7 McCabe index (conditional complexity)

    public synchronized List<CMSSignedData> getSignatures() throws IOException {
        List<CMSSignedData> signatures = new ArrayList<>();
        try {
            CABSignature cabsig = header.getSignature();
            if (cabsig != null && cabsig.offset > 0) {
                byte[] buffer = new byte[(int) cabsig.length];
                channel.position(cabsig.offset);
                channel.read(ByteBuffer.wrap(buffer));

                CMSSignedData signedData;
                signedData = new CMSSignedData((CMSProcessable) null, ContentInfo.getInstance(new ASN1InputStream(buffer).readObject()));
                signatures.add(signedData);

                SignerInformation signerInformation = signedData.getSignerInfos().getSigners().iterator().next();
                AttributeTable unsignedAttributes = signerInformation.getUnsignedAttributes();
                if (unsignedAttributes != null) {
                    Attribute nestedSignatures = unsignedAttributes.get(AuthenticodeObjectIdentifiers.SPC_NESTED_SIGNATURE_OBJID);
                    if (nestedSignatures != null) {
                        for (ASN1Encodable nestedSignature : nestedSignatures.getAttrValues()) {
                            signatures.add(new CMSSignedData((CMSProcessable) null, ContentInfo.getInstance(nestedSignature)));
                        }
                    }
                }
            }
        } catch (CMSException e) {
            throw new IOException(e);
        }
        return signatures;
    }