private static String getDictionaryHash()

in src/java/org/apache/fop/render/pdf/pdfbox/PDFBoxAdapterUtil.java [59:107]
49 lines of code
11 McCabe index (conditional complexity)

    private static String getDictionaryHash(COSBase base, List<COSBase> objs) throws IOException {
        if (base == null) {
            return "null";
        }
        if (objs.contains(base)) {
            return String.valueOf(base.hashCode());
        }
        objs.add(base);
        if (base instanceof COSDictionary) {
            StringBuilder sb = new StringBuilder();
            sb.append("COSDictionary{");
            for (Map.Entry<COSName, COSBase> x : ((COSDictionary) base).entrySet()) {
                sb.append(x.getKey());
                sb.append(":");
                sb.append(getDictionaryHash(x.getValue(), objs));
                sb.append(";");
            }
            sb.append("}");
            if (base instanceof COSStream) {
                InputStream stream = ((COSStream)base).createRawInputStream();
                byte[] b = IOUtils.toByteArray(stream);
                sb.append("COSStream{").append(Arrays.hashCode(b)).append("}");
            }
            return sb.toString();
        } else if (base instanceof COSObject) {
            COSObject obj = (COSObject) base;
            return "COSObject{" + getDictionaryHash(obj.getObject(), objs) + "}";
        } else if (base instanceof COSArray) {
            COSArray array = (COSArray) base;
            StringBuilder sb = new StringBuilder("COSArray[");
            for (Object o : array) {
                if (o instanceof COSObject) {
                    COSBase obj = ((COSObject) o).getObject();
                    if (obj instanceof COSStream) {
                        sb.append(getDictionaryHash(obj, objs));
                    } else {
                        sb.append(o);
                    }
                } else {
                    sb.append(o);
                }
                sb.append(",");
            }
            sb.append("]");
            return sb.toString();
        } else {
            return base.toString();
        }
    }