public PEFile()

in jsign-core/src/main/java/net/jsign/pe/PEFile.java [126:148]

• 18 lines of code
• 8 McCabe index (conditional complexity)

    public PEFile(SeekableByteChannel channel) throws IOException {
        this.channel = channel;
        
        try {
            // DOS Header
            read(0, 0, 2);
            if (valueBuffer.get() != 'M' || valueBuffer.get() != 'Z') {
                throw new IOException("DOS header signature not found");
            }

            // PE Header
            read(0x3C, 0, 4);
            peHeaderOffset = valueBuffer.getInt() & 0xFFFFFFFFL;
            read(peHeaderOffset, 0, 4);
            if (valueBuffer.get() != 'P' || valueBuffer.get() != 'E' || valueBuffer.get() != 0 || valueBuffer.get() != 0) {
                throw new IOException("PE signature not found as expected at offset 0x" + Long.toHexString(peHeaderOffset));
            }

        } catch (IOException e) {
            channel.close();
            throw e;
        }
    }