private ContentResult serializeBeanMap()

in juneau-core/juneau-marshall/src/main/java/org/apache/juneau/xml/XmlSerializerSession.java [700:835]
118 lines of code
43 McCabe index (conditional complexity)

	private ContentResult serializeBeanMap(XmlWriter out, BeanMap<?> m,
			Namespace elementNs, boolean isCollapsed, boolean isMixedOrText) throws SerializeException {
		boolean hasChildren = false;
		BeanMeta<?> bm = m.getMeta();

		List<BeanPropertyValue> lp = new ArrayList<>();

		Predicate<Object> checkNull = x -> isKeepNullProperties() || x != null;
		m.forEachValue(checkNull, (pMeta,key,value,thrown) -> {
			lp.add(new BeanPropertyValue(pMeta, key, value, thrown));
		});

		XmlBeanMeta xbm = getXmlBeanMeta(bm);

		Set<String>
			attrs = xbm.getAttrPropertyNames(),
			elements = xbm.getElementPropertyNames(),
			collapsedElements = xbm.getCollapsedPropertyNames();
		String
			attrsProperty = xbm.getAttrsPropertyName(),
			contentProperty = xbm.getContentPropertyName();

		XmlFormat cf = null;

		Object content = null;
		ClassMeta<?> contentType = null;
		for (BeanPropertyValue p : lp) {
			String n = p.getName();
			if (attrs.contains(n) || attrs.contains("*") || n.equals(attrsProperty)) {
				BeanPropertyMeta pMeta = p.getMeta();
				if (pMeta.canRead()) {
					ClassMeta<?> cMeta = p.getClassMeta();

					String key = p.getName();
					Object value = p.getValue();
					Throwable t = p.getThrown();
					if (t != null)
						onBeanGetterException(pMeta, t);

					if (canIgnoreValue(cMeta, key, value))
						continue;

					XmlBeanPropertyMeta bpXml = getXmlBeanPropertyMeta(pMeta);
					Namespace ns = (isEnableNamespaces() && bpXml.getNamespace() != elementNs ? bpXml.getNamespace() : null);

					if (pMeta.isUri()  ) {
						out.attrUri(ns, key, value);
					} else if (n.equals(attrsProperty)) {
						if (value instanceof BeanMap) {
							BeanMap<?> bm2 = (BeanMap)value;
							bm2.forEachValue(x -> true, (pMeta2,key2,value2,thrown2) -> {
								if (thrown2 != null)
									onBeanGetterException(pMeta, thrown2);
								out.attr(ns, key2, value2);
							});
						} else /* Map */ {
							Map m2 = (Map)value;
							if (m2 != null)
								m2.forEach((k,v) -> out.attr(ns, stringify(k), v));
						}
					} else {
						out.attr(ns, key, value);
					}
				}
			}
		}

		boolean
			hasContent = false,
			preserveWhitespace = false,
			isVoidElement = xbm.getContentFormat() == VOID;

		for (BeanPropertyValue p : lp) {
			BeanPropertyMeta pMeta = p.getMeta();
			if (pMeta.canRead()) {
				ClassMeta<?> cMeta = p.getClassMeta();

				String n = p.getName();
				if (n.equals(contentProperty)) {
					content = p.getValue();
					contentType = p.getClassMeta();
					hasContent = true;
					cf = xbm.getContentFormat();
					if (cf.isOneOf(MIXED,MIXED_PWS,TEXT,TEXT_PWS,XMLTEXT))
						isMixedOrText = true;
					if (cf.isOneOf(MIXED_PWS, TEXT_PWS))
						preserveWhitespace = true;
					if (contentType.isCollection() && ((Collection)content).isEmpty())
						hasContent = false;
					else if (contentType.isArray() && Array.getLength(content) == 0)
						hasContent = false;
				} else if (elements.contains(n) || collapsedElements.contains(n) || elements.contains("*") || collapsedElements.contains("*") ) {
					String key = p.getName();
					Object value = p.getValue();
					Throwable t = p.getThrown();
					if (t != null)
						onBeanGetterException(pMeta, t);

					if (canIgnoreValue(cMeta, key, value))
						continue;

					if (! hasChildren) {
						hasChildren = true;
						out.appendIf(! isCollapsed, '>').nlIf(! isMixedOrText, indent);
					}

					XmlBeanPropertyMeta bpXml = getXmlBeanPropertyMeta(pMeta);
					serializeAnything(out, value, cMeta, key, null, bpXml.getNamespace(), false, bpXml.getXmlFormat(), isMixedOrText, false, pMeta);
				}
			}
		}
		if (contentProperty == null && ! hasContent)
			return (hasChildren ? CR_ELEMENTS : isVoidElement ? CR_VOID : CR_EMPTY);

		// Serialize XML content.
		if (content != null) {
			out.w('>').nlIf(! isMixedOrText, indent);
			if (contentType == null) {
			} else if (contentType.isCollection()) {
				Collection c = (Collection)content;
				for (Object value : c) {
					serializeAnything(out, value, contentType.getElementType(), null, null, null, false, cf, isMixedOrText, preserveWhitespace, null);
				}
			} else if (contentType.isArray()) {
				Collection c = toList(Object[].class, content);
				for (Object value : c) {
					serializeAnything(out, value, contentType.getElementType(), null, null, null, false, cf, isMixedOrText, preserveWhitespace, null);
				}
			} else {
				serializeAnything(out, content, contentType, null, null, null, false, cf, isMixedOrText, preserveWhitespace, null);
			}
		} else {
			out.attr("nil", "true").w('>').nlIf(! isMixedOrText, indent);
		}
		return isMixedOrText ? CR_MIXED : CR_ELEMENTS;
	}