hibernatemappingscanner.java

eclipse的hibernate插件,支持eclipse2.*版本

/*
 * File:           HibernateMappingScanner.java
 * Generated from: hibernate-mapping-2.0.dtd
 * Date:           2003年7月29日  下午5:15
 *
 */
package com.tanghan.plugin.hibernate.editor.config;

import java.util.HashMap;
import java.util.List;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

import com.tanghan.plugin.hibernate.editor.elements.ElementAttribute;
import com.tanghan.plugin.hibernate.editor.elements.HibernateElementAttributes;
import com.tanghan.plugin.hibernate.editor.elements.HibernateTreeObject;
import com.tanghan.plugin.hibernate.editor.elements.HibernateTreeParent;

/**
 * This is a scanner of DOM tree.
 *
 * Example:
 * <pre>
 *     javax.xml.parsers.DocumentBuilderFactory builderFactory = javax.xml.parsers.DocumentBuilderFactory.newInstance();
 *     javax.xml.parsers.DocumentBuilder builder = builderFactory.newDocumentBuilder();
 *     org.w3c.dom.Document document = builder.parse (new org.xml.sax.InputSource (???));
 *     <font color="blue">HibernateMappingScanner scanner = new HibernateMappingScanner (document);</font>
 *     <font color="blue">scanner.visitDocument();</font>
 * </pre>
 * @author Jerry Tang
 * @version v0.1.0
 * @copyright  (C) 2003 Tanghan Studio
 * 
 * @see org.w3c.dom.Document
 * @see org.w3c.dom.Element
 * @see org.w3c.dom.NamedNodeMap
 *
 */
public class HibernateMappingScanner {

	private static HashMap hmAllAttributes = new HashMap();  
	private static HashMap hmAllChildElements = new HashMap();  

//	HibernateTreeParent treeRoot;

//	private static Logger log =
//		Log.getInstanse().getLogger(HibernateCFTreeSection.class);
	private List getAllAttributes(String key){
		synchronized(hmAllAttributes){
			if(hmAllAttributes.containsKey(key)){
				return (List)hmAllAttributes.get(key);
			}
			return null;
		}
	}
	private synchronized void addAllAttributes(String key,List allAttributes){
		synchronized(hmAllAttributes){
			hmAllAttributes.put(key,allAttributes);
		}		
	}

	private synchronized List getAllChildElements(String key){
		synchronized(hmAllChildElements){
			if(hmAllChildElements.containsKey(key)){
				return (List)hmAllChildElements.get(key);
			}
			return null;
		}
	}

	private synchronized void addAllChildElements(String key,List allChildElement){
		synchronized(hmAllChildElements){
			hmAllChildElements.put(key,allChildElement);
		}		
	}

	/** Create new HibernateMappingScanner with org.w3c.dom.Document. */
	public HibernateMappingScanner() {
	}

	/**遍历当前元素,得到相应的信息
	 * @param elem 当前元素, 不能为空
	 *  */
	public void visitDocument(Node node, HibernateTreeParent treeRoot) {
		if(node==null)
			return;
		Element element = null;
		
		if(node instanceof Document){
			element = ((Document)node).getDocumentElement();
		}else if(node instanceof Element){
			element = (Element)node;
		}else{
			return;
		}

		if ((element != null)&& element.getTagName().equals("hibernate-mapping")) {
			visitElement_hibernate_mapping(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("import")) {
			visitElement_import(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("class")) {
			visitElement_class(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("id")) {
			visitElement_id(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("composite-id")) {
			visitElement_composite_id(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("discriminator")) {
			visitElement_discriminator(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("version")) {
			visitElement_version(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("timestamp")) {
			visitElement_timestamp(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("subclass")) {
			visitElement_subclass(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("joined-subclass")) {
			visitElement_joined_subclass(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("property")) {
			visitElement_property(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("many-to-one")) {
			visitElement_many_to_one(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("one-to-one")) {
			visitElement_one_to_one(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("key-property")) {
			visitElement_key_property(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("key-many-to-one")) {
			visitElement_key_many_to_one(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("any")) {
			visitElement_any(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("component")) {
			visitElement_component(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("dynabean")) {
			visitElement_dynabean(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("parent")) {
			visitElement_parent(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("map")) {
			visitElement_map(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("set")) {
			visitElement_set(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("bag")) {
			visitElement_bag(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("idbag")) {
			visitElement_idbag(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("list")) {
			visitElement_list(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("array")) {
			visitElement_array(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("primitive-array")) {
			visitElement_primitive_array(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("element")) {
			visitElement_element(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("one-to-many")) {
			visitElement_one_to_many(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("many-to-many")) {
			visitElement_many_to_many(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("composite-element")) {
			visitElement_composite_element(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("nested-composite-element")) {
			visitElement_nested_composite_element(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("key")) {
			visitElement_key(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("index")) {
			visitElement_index(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("index-many-to-many")) {
			visitElement_index_many_to_many(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("composite-index")) {
			visitElement_composite_index(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("many-to-any")) {
			visitElement_many_to_any(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("index-many-to-any")) {
			visitElement_index_many_to_any(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("collection-id")) {
			visitElement_collection_id(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("generator")) {
			visitElement_generator(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("param")) {
			visitElement_param(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("column")) {
			visitElement_column(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("jcs-cache")) {
			visitElement_jcs_cache(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("query")) {
			visitElement_query(element, treeRoot);
		}
		if ((element != null) && element.getTagName().equals("meta")) {
			visitElement_meta(element, treeRoot);
		}
		
	}

	/** Scan through org.w3c.dom.Element named hibernate-mapping. */
	void visitElement_hibernate_mapping(
		org.w3c.dom.Element element,
		HibernateTreeParent root) { // <hibernate-mapping>
			
		HibernateElementAttributes attr = new  HibernateElementAttributes(element);
		if(getAllAttributes("hibernate-mapping")!=null){
			attr.setAllAttributes(getAllAttributes("hibernate-mapping"));
		}else{
			//增加改element所有可能存在的属性
			ElementAttribute elemAtrr = new ElementAttribute("schema",ElementAttribute.STRING);
			attr.addAttribute(elemAtrr);
		
			elemAtrr = new ElementAttribute("default-cascade",ElementAttribute.ENUM);
			elemAtrr.setEnumData(new String[]{"none","save-update","all" });
			elemAtrr.setDefaultData("none");
			attr.addAttribute(elemAtrr);
		
			elemAtrr = new ElementAttribute("auto-import",ElementAttribute.BOOLEAN);

			attr.addAttribute(elemAtrr);
			
			addAllAttributes("hibernate-mapping",attr.getAllAttributes());		
		}
		
		if(this.getAllChildElements("hibernate-mapping")!=null){ 
			attr.setAllChildElement(getAllChildElements("hibernate-mapping"));
		}else{
			attr.addChildElement("import");
			attr.addChildElement("class");
			attr.addChildElement("query");
			attr.addChildElement("meta");
			addAllChildElements("hibernate-mapping",attr.getAllChildElement());
		}
		
		dealRootObject(attr,root,"hibernate-mapping",HibernateTreeObject.HIBERNATE_MAPPING_ROOT,null);
				
		
		org.w3c.dom.NodeList nodes = element.getChildNodes();
		for (int i = 0; i < nodes.getLength(); i++) {
			org.w3c.dom.Node node = nodes.item(i);
			switch (node.getNodeType()) {
				case org.w3c.dom.Node.ELEMENT_NODE :
					org.w3c.dom.Element nodeElement =
						(org.w3c.dom.Element) node;
					if (nodeElement.getTagName().equals("import")) {
						visitElement_import(nodeElement, root);
					}
					if (nodeElement.getTagName().equals("class")) {
						visitElement_class(nodeElement, root);
					}
					if (nodeElement.getTagName().equals("query")) {
						visitElement_query(nodeElement, root);
					}
					if (nodeElement.getTagName().equals("meta")) {
						visitElement_meta(nodeElement, root);
					}
					break;
			}
		}
	}
	/** 根据要求处理得到的对象
	 * @param attribute 属性名称  可以为空
	 * */
	void dealRootObject(HibernateElementAttributes heAttr,HibernateTreeParent root,String prefix,int type,String attribute) {
		root.setObject(heAttr);
		// element.getValue();
		org.w3c.dom.NamedNodeMap attrs = heAttr.getElement().getAttributes();
		for (int i = 0; i < attrs.getLength(); i++) {
			org.w3c.dom.Attr attr = (org.w3c.dom.Attr)attrs.item(i);
			for(int j=0;j<heAttr.getAllAttributes().size();j++){
				ElementAttribute elemAttr = (ElementAttribute)heAttr.getAllAttributes().get(j);
				if (attr.getName().equals(elemAttr.getAttributeName())) { 
					heAttr.addCurrentAttributes(elemAttr.getAttributeName(),attr.getValue());
				}
			}
		}

		root.setDefalutAttribute(attribute);
		/*
		if(attribute!=null){
			String value = heAttr.getElement().getAttribute(attribute);
			if (value != null) {
				root.setName(prefix+":" + value);
			}	
		}*/
	}
		
	/** 根据要求处理得到的对象
	 * @param attribute 属性名称  可以为空
	 * */
	HibernateTreeParent dealObject(HibernateElementAttributes heAttr,HibernateTreeParent root,String prefix,int type,String attribute) {

		HibernateTreeParent obj = new HibernateTreeParent(prefix,heAttr,type);
		root.addChild(obj);
		// element.getValue();
		org.w3c.dom.NamedNodeMap attrs = heAttr.getElement().getAttributes();
		for (int i = 0; i < attrs.getLength(); i++) {
			org.w3c.dom.Attr attr = (org.w3c.dom.Attr)attrs.item(i);
			for(int j=0;j<heAttr.getAllAttributes().size();j++){
				ElementAttribute elemAttr = (ElementAttribute)heAttr.getAllAttributes().get(j);
				if (attr.getName().equals(elemAttr.getAttributeName())) { 
					heAttr.addCurrentAttributes(elemAttr.getAttributeName(),attr.getValue());
				}
			}
		}
		obj.setDefalutAttribute(attribute);
		/*
		if(attribute!=null){
			String value = heAttr.getElement().getAttribute(attribute);
			if (value != null) {
				obj.setName(prefix+":" + value);
			}	
		}*/
		return obj	;
	}

	/** Scan through org.w3c.dom.Element named import. */
	void visitElement_import(org.w3c.dom.Element element,HibernateTreeParent root) { // <import>
		HibernateElementAttributes attr = new  HibernateElementAttributes(element);		
		if(getAllAttributes("import")!=null){
			attr.setAllAttributes(getAllAttributes("import"));
		}else{
			//增加改element所有可能存在的属性
			ElementAttribute elemAtrr = new ElementAttribute("class",ElementAttribute.STRING);
			elemAtrr.setRequired(true);
			attr.addAttribute(elemAtrr);
			elemAtrr = new ElementAttribute("rename",ElementAttribute.STRING);
			elemAtrr.setRequired(true);
			attr.addAttribute(elemAtrr);
			
			addAllAttributes("import",attr.getAllAttributes());
		}
		
		HibernateTreeParent importObj =dealObject(attr,root,"import",HibernateTreeObject.HIBERNATE_IMPORT,"class");
	}

	/** Scan through org.w3c.dom.Element named class. */
	void visitElement_class(
		org.w3c.dom.Element element,