private static void writeClause()

in repository/service/src/main/java/org/apache/karaf/cave/repository/service/bundlerepository/StaxParser.java [121:180]
60 lines of code
16 McCabe index (conditional complexity)

    private static void writeClause(XMLStreamWriter writer, String element, String namespace, Map<String, String> directives, Map<String, Object> attributes) throws XMLStreamException {
        writer.writeStartElement(REPOSITORY_NAMESPACE, element);
        writer.writeAttribute(NAMESPACE, namespace);
        for (Map.Entry<String, String> dir : directives.entrySet()) {
            writer.writeStartElement(REPOSITORY_NAMESPACE, DIRECTIVE);
            writer.writeAttribute(NAME, dir.getKey());
            writer.writeAttribute(VALUE, dir.getValue());
            writer.writeEndElement();
        }
        for (Map.Entry<String, Object> att : attributes.entrySet()) {
            String key = att.getKey();
            Object val = att.getValue();
            writer.writeStartElement(REPOSITORY_NAMESPACE, ATTRIBUTE);
            writer.writeAttribute(NAME, key);
            if (val instanceof Version) {
                writer.writeAttribute(TYPE, "Version");
            } else if (val instanceof Long) {
                writer.writeAttribute(TYPE, "Long");
            } else if (val instanceof Double) {
                writer.writeAttribute(TYPE, "Double");
            } else if (val instanceof Iterable) {
                Iterable it = (Iterable) att.getValue();
                String scalar = null;
                for (Object o : it) {
                    String ts;
                    if (o instanceof String) {
                        ts = "String";
                    } else if (o instanceof Long) {
                        ts = "Long";
                    } else if (o instanceof Double) {
                        ts = "Double";
                    } else if (o instanceof Version) {
                        ts = "Version";
                    } else {
                        throw new IllegalArgumentException("Unsupported scalar type: " + o);
                    }
                    if (scalar == null) {
                        scalar = ts;
                    } else if (!scalar.equals(ts)) {
                        throw new IllegalArgumentException("Unconsistent list type for attribute " + key);
                    }
                }
                writer.writeAttribute(TYPE, "List<" + scalar + ">");
                StringBuilder sb = new StringBuilder();
                boolean first = true;
                for (Object o : it) {
                    if (first) {
                        first = false;
                    } else {
                        sb.append(",");
                    }
                    sb.append(o.toString().replace(",", "\\,"));
                }
                val = sb.toString();
            }
            writer.writeAttribute(VALUE, val.toString());
            writer.writeEndElement();
        }
        writer.writeEndElement();
    }