protected T parseAnything()

in juneau-core/juneau-marshall/src/main/java/org/apache/juneau/xml/XmlParserSession.java [443:565]
112 lines of code
49 McCabe index (conditional complexity)

	protected <T> T parseAnything(ClassMeta<T> eType, String currAttr, XmlReader r,
			Object outer, boolean isRoot, BeanPropertyMeta pMeta) throws IOException, ParseException, ExecutableException, XMLStreamException {

		if (eType == null)
			eType = (ClassMeta<T>)object();
		ObjectSwap<T,Object> swap = (ObjectSwap<T,Object>)eType.getSwap(this);
		BuilderSwap<T,Object> builder = (BuilderSwap<T,Object>)eType.getBuilderSwap(this);
		ClassMeta<?> sType = null;
		if (builder != null)
			sType = builder.getBuilderClassMeta(this);
		else if (swap != null)
			sType = swap.getSwapClassMeta(this);
		else
			sType = eType;

		if (sType.isOptional())
			return (T)optional(parseAnything(eType.getElementType(), currAttr, r, outer, isRoot, pMeta));

		setCurrentClass(sType);

		String wrapperAttr = (isRoot && isPreserveRootElement()) ? r.getName().getLocalPart() : null;
		String typeAttr = r.getAttributeValue(null, getBeanTypePropertyName(eType));
		boolean isNil = "true".equals(r.getAttributeValue(null, "nil"));
		int jsonType = getJsonType(typeAttr);
		String elementName = getElementName(r);
		if (jsonType == 0) {
			if (elementName == null || elementName.equals(currAttr))
				jsonType = UNKNOWN;
			else {
				typeAttr = elementName;
				jsonType = getJsonType(elementName);
			}
		}

		ClassMeta tcm = getClassMeta(typeAttr, pMeta, eType);
		if (tcm == null && elementName != null && ! elementName.equals(currAttr))
			tcm = getClassMeta(elementName, pMeta, eType);
		if (tcm != null)
			sType = eType = tcm;

		Object o = null;

		if (jsonType == NULL) {
			r.nextTag();	// Discard end tag
			return null;
		}

		if (sType.isObject()) {
			if (jsonType == OBJECT) {
				JsonMap m = new JsonMap(this);
				parseIntoMap(r, m, string(), object(), pMeta);
				if (wrapperAttr != null)
					m = new JsonMap(this).append(wrapperAttr, m);
				o = cast(m, pMeta, eType);
			} else if (jsonType == ARRAY)
				o = parseIntoCollection(r, new JsonList(this), null, pMeta);
			else if (jsonType == STRING) {
				o = getElementText(r);
				if (sType.isChar())
					o = parseCharacter(o);
			}
			else if (jsonType == NUMBER)
				o = parseNumber(getElementText(r), null);
			else if (jsonType == BOOLEAN)
				o = Boolean.parseBoolean(getElementText(r));
			else if (jsonType == UNKNOWN)
				o = getUnknown(r);
		} else if (sType.isBoolean()) {
			o = Boolean.parseBoolean(getElementText(r));
		} else if (sType.isCharSequence()) {
			o = getElementText(r);
		} else if (sType.isChar()) {
			o = parseCharacter(getElementText(r));
		} else if (sType.isMap()) {
			Map m = (sType.canCreateNewInstance(outer) ? (Map)sType.newInstance(outer) : newGenericMap(sType));
			o = parseIntoMap(r, m, sType.getKeyType(), sType.getValueType(), pMeta);
			if (wrapperAttr != null)
				o = new JsonMap(this).append(wrapperAttr, m);
		} else if (sType.isCollection()) {
			Collection l = (sType.canCreateNewInstance(outer) ? (Collection)sType.newInstance(outer) : new JsonList(this));
			o = parseIntoCollection(r, l, sType, pMeta);
		} else if (sType.isNumber()) {
			o = parseNumber(getElementText(r), (Class<? extends Number>)sType.getInnerClass());
		} else if (builder != null || sType.canCreateNewBean(outer)) {
			if (getXmlClassMeta(sType).getFormat() == COLLAPSED) {
				String fieldName = r.getLocalName();
				BeanMap<?> m = builder != null ? toBeanMap(builder.create(this, eType)) : newBeanMap(outer, sType.getInnerClass());
				BeanPropertyMeta bpm = getXmlBeanMeta(m.getMeta()).getPropertyMeta(fieldName);
				ClassMeta<?> cm = m.getMeta().getClassMeta();
				Object value = parseAnything(cm, currAttr, r, m.getBean(false), false, null);
				setName(cm, value, currAttr);
				bpm.set(m, currAttr, value);
				o = builder != null ? builder.build(this, m.getBean(), eType) : m.getBean();
			} else {
				BeanMap m = builder != null ? toBeanMap(builder.create(this, eType)) : newBeanMap(outer, sType.getInnerClass());
				m = parseIntoBean(r, m, isNil);
				o = builder != null ? builder.build(this, m.getBean(), eType) : m.getBean();
			}
		} else if (sType.isArray() || sType.isArgs()) {
			ArrayList l = (ArrayList)parseIntoCollection(r, list(), sType, pMeta);
			o = toArray(sType, l);
		} else if (sType.canCreateNewInstanceFromString(outer)) {
			o = sType.newInstanceFromString(outer, getElementText(r));
		} else if (sType.getProxyInvocationHandler() != null) {
			JsonMap m = new JsonMap(this);
			parseIntoMap(r, m, string(), object(), pMeta);
			if (wrapperAttr != null)
				m = new JsonMap(this).append(wrapperAttr, m);
			o = newBeanMap(outer, sType.getInnerClass()).load(m).getBean();
		} else {
			throw new ParseException(this,
				"Class ''{0}'' could not be instantiated.  Reason: ''{1}'', property: ''{2}''",
				sType.getInnerClass().getName(), sType.getNotABeanReason(), pMeta == null ? null : pMeta.getName());
		}

		if (swap != null && o != null)
			o = unswap(swap, o, eType);

		if (outer != null)
			setParent(eType, o, outer);

		return (T)o;
	}