private void handleWhenOtherwiseNodes(
XNode chooseSqlNode, List<SqlNode> ifSqlNodes, List<SqlNode> defaultSqlNodes) {
List<XNode> children = chooseSqlNode.getChildren();
for (XNode child : children) {
String nodeName = child.getNode().getNodeName();
NodeHandler handler = nodeHandlers.get(nodeName);
if (handler instanceof IfHandler) {
handler.handleNode(child, ifSqlNodes);
} else if (handler instanceof OtherwiseHandler) {
handler.handleNode(child, defaultSqlNodes);
}
}
}
private List<SqlNode> parseDynamicTags(XNode node) {
List<SqlNode> contents = new ArrayList<SqlNode>();
NodeList children = node.getNode().getChildNodes(); // 直接通过w3c包获取NodeList
int childrenLength = children.getLength();
for (int i = 0; i < childrenLength; i++) {
XNode child = node.newXNode(children.item(i));
Node childNode = child.getNode();
short nodeType = childNode.getNodeType();
// <![CDATA[]]>中括着的纯文本，它没有子节点
if (nodeType == Node.CDATA_SECTION_NODE || nodeType == Node.TEXT_NODE) {
String data = child.getStringBody("");
contents.add(new TextSqlNode(data));
} else if (nodeType == Node.ELEMENT_NODE) {
String nodeName = childNode.getNodeName();
NodeHandler handler = nodeHandlers.get(nodeName);
if (handler == null) {
throw new BuilderException("Unknown element <" + nodeName + "> in SQL statement.");
}
handler.handleNode(child, contents);
}
}
return contents;
}