Examples with XMLTreeNode com.cosylab.cdb.jdal.XMLTreeNode used on opensource projects

Example 6 with XMLTreeNode

use of com.cosylab.cdb.jdal.XMLTreeNode in project ACS by ACS-Community.

the class DOMJavaClassIntrospector method getChild.

public static Object getChild(String name, Object node) {
    synchronized (node) {
        if (node instanceof DAOImpl) {
            return (XMLTreeNode) (((DAOImpl) node).getRootNode().getNodesMap().get(name));
        }
        if (node instanceof XMLTreeNode) {
            Object n = (XMLTreeNode) (((XMLTreeNode) node).getNodesMap().get(name));
            if (n != null)
                return n;
            else
                return ((XMLTreeNode) node).getFieldMap().get(name);
        } else if (node instanceof Map) {
            Map map = (Map) node;
            if (map.containsKey(name))
                return map.get(name);
            // not found
            return null;
        } else if (node instanceof Element) {
            // check attribute
            Element element = (Element) node;
            if (element.hasAttribute(name))
                return element.getAttribute(name);
            // check element
            NodeList nodeList = element.getElementsByTagName(name);
            if (nodeList.getLength() > 0)
                return (Element) nodeList.item(0);
            // only digit is not allowed
            if (name.length() <= 1)
                return null;
            // "<name><index>" support for XML sequences, where index > 0
            // ends with digit?
            int pos = name.length() - 1;
            if (Character.isDigit(name.charAt(pos))) {
                pos--;
                // extract digit
                while (Character.isDigit(name.charAt(pos))) pos--;
                // point to the first digit
                pos++;
                String dig = name.substring(pos);
                name = name.substring(0, pos);
                try {
                    int ix = Integer.parseInt(dig);
                    if (ix > 0) {
                        nodeList = element.getElementsByTagName(name);
                        if (nodeList.getLength() > ix) {
                            return (Element) nodeList.item(ix);
                        } else
                            // index out of range or no such elements
                            return null;
                    } else
                        // ix <= 0
                        return null;
                } catch (Throwable th) {
                    // bad index
                    return null;
                }
            } else
                // does not end with digit
                return null;
        } else {
            Field field = null;
            final Class nodeType = node.getClass();
            Class type = nodeType;
            while (field == null && type != null) {
                try {
                    field = type.getDeclaredField(name);
                } catch (NoSuchFieldException e) {
                /* noop */
                }
                type = type.getSuperclass();
            }
            if (field != null) {
                if (name.equals(SUBNODES_MAP_NAME) || name.equals(SUBNODES_MAP_NAME_ALTERNATIVE)) {
                    // this will work only on public fields
                    try {
                        return field.get(node);
                    } catch (IllegalAccessException e) {
                        // failed to access the field
                        return null;
                    }
                } else {
                    // using accessor
                    try {
                        Method accessorMethod = getAccessorMethod(nodeType, name);
                        Object retVal = accessorMethod.invoke(node, (Object[]) null);
                        // @todo TODO now we consider null retVal as non-existant field
                        return retVal;
                    } catch (Throwable th) {
                        // failed to access the field
                        return null;
                    }
                }
            } else if (!name.equals(SUBNODES_MAP_NAME) && !name.equals(SUBNODES_MAP_NAME_ALTERNATIVE)) {
                // check extra data
                if (node instanceof ExtraDataFeature) {
                    Element extraData = ((ExtraDataFeature) node).getExtraData();
                    if (extraData != null) {
                        Object viaExtra = getChild(name, extraData);
                        if (viaExtra != null)
                            return viaExtra;
                    }
                }
                // check for subnodesMap map
                Object subnodesMap = getChild(SUBNODES_MAP_NAME, node);
                if (subnodesMap instanceof Map) {
                    Object obj = ((Map) subnodesMap).get(name);
                    if (obj != null)
                        return obj;
                }
                subnodesMap = getChild(SUBNODES_MAP_NAME_ALTERNATIVE, node);
                if (subnodesMap instanceof Map) {
                    Object obj = ((Map) subnodesMap).get(name);
                    if (obj != null)
                        return obj;
                }
                // not in map
                return null;
            }
            // not found
            return null;
        }
    }
}

Example 7 with XMLTreeNode

use of com.cosylab.cdb.jdal.XMLTreeNode in project ACS by ACS-Community.

the class DOMJavaClassIntrospector method getElements.

// element = internal node (excluding hierarchy)
public static String[] getElements(Object node, String nodeName, Logger log) {
    if (node instanceof DAOImpl) {
        return getNodes(((DAOImpl) node).getRootNode().getNodesMap());
    } else if (node instanceof XMLTreeNode) {
        return getNodes(((XMLTreeNode) node).getNodesMap());
    } else if (node instanceof Map) {
        if (node instanceof InternalElementsMap) {
            Set<String> subnodes = new LinkedHashSet<String>();
            Set keySet = ((Map) node).keySet();
            for (Object key : keySet) subnodes.add(key.toString());
            return subnodes.toArray(new String[subnodes.size()]);
        } else
            return new String[0];
    } else if (node instanceof Element) {
        List<String> list = new ArrayList<String>();
        for (Node childNode = ((Element) node).getFirstChild(); childNode != null; childNode = childNode.getNextSibling()) {
            if (childNode.getNodeType() == Element.ELEMENT_NODE)
                list.add(childNode.getNodeName());
        }
        return list.toArray(new String[list.size()]);
    } else if (node instanceof ExtraDataFeature) {
        String[] extraFields = null;
        Element extraData = ((ExtraDataFeature) node).getExtraData();
        if (extraData != null)
            extraFields = getElements(extraData);
        String[] fields = getElementFields(node);
        if (extraFields == null)
            return fields;
        // concat and remove duplicates
        Set<String> set = new LinkedHashSet<String>(Arrays.asList(fields));
        for (String ef : extraFields) if (!set.add(ef))
            if (log != null)
                log.warning("Duplicate element '" + nodeName + "/" + ef + "'.");
        return set.toArray(new String[0]);
    } else
        return getElementFields(node);
}

Example 8 with XMLTreeNode

use of com.cosylab.cdb.jdal.XMLTreeNode in project ACS by ACS-Community.

the class DOMJavaClassIntrospector method getMutatorMethod.

public static NodeAndMutator getMutatorMethod(String name, Object node, XMLSaver parentSaver) {
    if (node instanceof XMLTreeNode) {
        XMLTreeNode treeNode = (XMLTreeNode) node;
        if (!treeNode.getFieldMap().containsKey(name))
            return null;
        XMLTreeNodeSetter setterObject = new XMLTreeNodeSetter(name, treeNode.getFieldMap(), parentSaver);
        return new NodeAndMutator(setterObject, getMutatorMethod(setterObject.getClass(), "field"));
    } else {
        Field field = null;
        final Class nodeType = node.getClass();
        Class type = nodeType;
        while (field == null && type != null) {
            try {
                field = type.getDeclaredField(name);
            } catch (NoSuchFieldException e) {
            /* noop */
            }
            type = type.getSuperclass();
        }
        if (field != null) {
            // using mutator
            return new NodeAndMutator(node, getMutatorMethod(nodeType, name));
        }
        // not found
        return null;
    }
}