private static String getDictionaryHash()

in src/java/org/apache/fop/render/pdf/pdfbox/PDFBoxAdapterUtil.java [60:114]
55 lines of code
13 McCabe index (conditional complexity)

    private static String getDictionaryHash(COSBase base, Map<COSBase, String> objs) throws IOException {
        if (base == null) {
            return "null";
        }
        if (objs.containsKey(base)) {
            return objs.get(base);
        }
        objs.put(base, String.valueOf(base.hashCode()));
        String value;
        if (base instanceof COSDictionary) {
            StringBuilder sb = new StringBuilder("COSDictionary{");
            Map<COSName, String> map = new HashMap<>();
            for (Map.Entry<COSName, COSBase> entry : ((COSDictionary) base).entrySet()) {
                map.put(entry.getKey(), getDictionaryHash(entry.getValue(), objs));
            }
            for (Map.Entry<COSName, String> entry : new TreeMap<>(map).entrySet()) {
                sb.append(entry.getKey());
                sb.append(":");
                sb.append(entry.getValue());
                sb.append(";");
            }
            sb.append("}");
            if (base instanceof COSStream && ((COSStream) base).hasData()) {
                InputStream stream = ((COSStream)base).createRawInputStream();
                byte[] b = IOUtils.toByteArray(stream);
                sb.append("COSStream{").append(Arrays.hashCode(b)).append("}");
            }
            value = sb.toString();
        } else if (base instanceof COSObject) {
            COSObject obj = (COSObject) base;
            value = "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("]");
            value = sb.toString();
        } else {
            value = base.toString();
        }
        objs.put(base, value);
        return value;
    }