wp/nwyj/.svn/pristine/c8/c84b611c1ed9e8686e7b5483c3e131be24b63ddc.svn-base

package com.sysmodel.datamodel.xmlmanager;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.apache.log4j.Logger;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

import com.persistence.DBdll.adapter.DB2Adapter;
import com.sysmodel.datamodel.xmlmodel.Reference;
import com.sysmodel.datamodel.xmlmodel.impl.MdpAttributeImpl;
import com.sysmodel.datamodel.xmlmodel.impl.MdpClassImpl;
import com.sysmodel.datamodel.xmlmodel.impl.MdpConstantImpl;
import com.sysmodel.datamodel.xmlmodel.impl.MdpDataSourceImpl;
import com.sysmodel.datamodel.xmlmodel.impl.MdpModuleImpl;
import com.sysmodel.datamodel.xmlmodel.impl.PropertyImpl;
import com.sysmodel.datamodel.xmlmodel.impl.RelationImpl;
import com.sysmodel.datamodel.xmlmodel.impl.SysModelImpl;
import com.sysmodel.datamodel.xmlmodel.impl.TemplateImpl;
import com.sysmodel.xformmodel.impl.ValidateImpl;

/**
 * datamodel com.sysmodel.datamodel.xmlmanager load datamodel.xml
 * 
 * 需要修改常量表对象的加载
 */
public class XMLLoader{

	private final static Logger	log	= Logger.getLogger(DB2Adapter.class);

	public boolean loadFromXML(File[] files) {
		return true;
	}

	public boolean loadFromXML(File file) {
		DocumentBuilderFactory domfactory = DocumentBuilderFactory.newInstance();
		try {
			DocumentBuilder builder = domfactory.newDocumentBuilder();
			Document document = builder.parse(file);
			/**
			 * <unit unitcode="zyuc" unitname="门头沟分局"/> read unit
			 */
			NodeList unitList = document.getElementsByTagName("unit");
			readUnit(unitList);
			/**
			 * <author>nxs</author> <version>1.0</version> read about
			 */
			readAbout(document);
			/**
			 * 模块 <mdpModules> read mdpModules
			 */
			NodeList mdpModulesList = document.getElementsByTagName("module");
			readmdpModules(mdpModulesList);
			/**
			 * 数据源 <mdpDataSources> readDataSource
			 */
			NodeList dataSourceList = document.getElementsByTagName("mdpDataSource");
			readDataSource(dataSourceList);
			/**
			 * 模板 <templates> readTemplate
			 */
			NodeList templateList = document.getElementsByTagName("template");
			readTemplate(templateList);
			/**
			 * 常量根节点 <mdpConstant> readConstant
			 */
			NodeList constantList = document.getElementsByTagName("mdpConstant");
			readConstant(constantList);
			/**
			 * 数据表根节点 <mdpClass> readMdpClass
			 */
			NodeList classList = document.getElementsByTagName("mdpClass");
			readMdpClass(classList);
		} catch (Exception e) {
			log.error("load sysmodel error: ", e);
			return false;
		}
		return true;
	}

	public boolean loadFromXML(String filePath) {
		// ... 文件路径
		File xmlfile = new File(filePath);
		if (!xmlfile.exists())
			return false;
		// ...创建装载xml对象
		return loadFromXML(xmlfile);
	}

	private void readUnit(NodeList unit) {
		Element element = (Element) unit.item(0);
		SysModelImpl.getInstance().setUnitcode(element.getAttribute("unitcode"));
		SysModelImpl.getInstance().setUnitname(element.getAttribute("unitname"));
	}

	// ...<author>nxs</author><version>1.0</version>
	private void readAbout(Document document) {
		NodeList author = document.getElementsByTagName("author");
		if (author.getLength() == 1) {
			Element element = (Element) author.item(0);
			if (element.getFirstChild() != null)
				SysModelImpl.getInstance().setAuthor((element.getFirstChild().getNodeValue()));
		}

		NodeList version = document.getElementsByTagName("version");
		if (version.getLength() == 1) {
			Element element = (Element) version.item(0);
			if (element.getFirstChild() != null)
				SysModelImpl.getInstance().setVersion((element.getFirstChild().getNodeValue()));
		}
	}

	// ...<mdpModules><module code="" name="" description=""/></mdpModules>
	private void readmdpModules(NodeList mdpModules) {
		ArrayList<MdpModuleImpl> arry = new ArrayList<MdpModuleImpl>();
		for (int i = 0; i < mdpModules.getLength(); i++) {
			MdpModuleImpl mdpmod = new MdpModuleImpl();
			Element element = (Element) mdpModules.item(i);
			mdpmod.setPcode(element.getAttribute("pcode"));
			mdpmod.setCode(element.getAttribute("code"));
			mdpmod.setName(element.getAttribute("name"));
			mdpmod.setNgoogleEn(element.getAttribute("ngoogleEn"));
			mdpmod.setTPrefix(element.getAttribute("tPrefix"));
			mdpmod.setDescription(element.getAttribute("description"));
			mdpmod.setPackageName(element.getAttribute("packageName"));
			arry.add(mdpmod);
			log.debug("读取 " + mdpmod + " 完成!");
		}
		SysModelImpl.getInstance().setmdpModules(arry);
	}

	// ...<mdpDataSources><mdpDataSource dataSourceid="" description=""
	// dataBase="" url="" user="" password="" jndi=""/></mdpDataSources>
	private void readDataSource(NodeList dataSourceList) {
		ArrayList<MdpDataSourceImpl> alDataSource = new ArrayList<MdpDataSourceImpl>();
		for (int i = 0; i < dataSourceList.getLength(); i++) {
			MdpDataSourceImpl datasource = new MdpDataSourceImpl();
			Element element = (Element) dataSourceList.item(i);
			datasource.setDataSourceid(Integer.parseInt(element.getAttribute("dataSourceid")));
			datasource.setDescription(element.getAttribute("description"));
			datasource.setDataBase(element.getAttribute("dataBase"));
			log.info("数据库类型：" + element.getAttribute("dataBase") + "......");
			datasource.setURL(element.getAttribute("url"));
			datasource.setUser(element.getAttribute("user"));
			datasource.setPassword(element.getAttribute("password"));
			datasource.setJNDI(element.getAttribute("jndi"));
			alDataSource.add(datasource);
			log.debug("读取 " + datasource + " 完成!");
		}
		SysModelImpl.getInstance().setMdpDataSources(alDataSource);
	}

	// ...<templates><template name="" description=""></templates>
	private void readTemplate(NodeList templateList) {
		ArrayList<TemplateImpl> alTemplate = new ArrayList<TemplateImpl>();
		for (int i = 0; i < templateList.getLength(); i++) {

			TemplateImpl template = new TemplateImpl();
			Element element = (Element) templateList.item(i);
			template.setName(element.getAttribute("name"));
			// 数据存放的表名称.
			template.setTableName(element.getAttribute("tableName"));
			template.setDataSource(Integer.parseInt(element.getAttribute("dataSource")));
			template.setDescription(element.getAttribute("description"));

			/**
			 * <template>的子标签 <property>
			 */
			NodeList propertyList = element.getElementsByTagName("property");
			template.setListproperty(readProperty(propertyList));
			alTemplate.add(template);
			log.debug("读取 " + template + " 完成!");
		}
		SysModelImpl.getInstance().setTemplates(alTemplate);
	}

	// ...<mdpConstant codeName="" description="" templateName="" rootFrom=""
	// dataSource="" keyCodeAuto="" orderProperty="" orderMethod="" type=""/>
	@SuppressWarnings("deprecation")
	private void readConstant(NodeList constantList) {
		ArrayList<MdpConstantImpl> alConstant = new ArrayList<MdpConstantImpl>();
		for (int i = 0; i < constantList.getLength(); i++) {
			MdpConstantImpl constant = new MdpConstantImpl();
			Element constantElement = (Element) constantList.item(i);
			constant.setCodeName(constantElement.getAttribute("codeName"));
			constant.setNgoogleEn(constantElement.getAttribute("ngoogleEn"));
			constant.setDescription(constantElement.getAttribute("description"));
			constant.setTemplateName(constantElement.getAttribute("templateName"));

			// 树形常量根节点配置信息
			constant.setRootFrom(constantElement.getAttribute("rootFrom"));
			constant.setDataSource(Integer.parseInt(constantElement.getAttribute("dataSource")));
			constant.setKeyCodeAuto(Boolean.valueOf(constantElement.getAttribute("keyCodeAuto"))
					.booleanValue());
			constant.setOrderProperty(constantElement.getAttribute("orderProperty"));
			constant.setOrderMethod(constantElement.getAttribute("orderMethod"));
			constant.setType(constantElement.getAttribute("type"));

			alConstant.add(constant);
			log.debug("读取 " + constant + " 完成!");
		}

		SysModelImpl.getInstance().setMdpConstants(alConstant);
	}

	// ...<property name="" description="" dataType="" length="" scale=""
	// referenceParentName="" display=" " unique="">
	private List<PropertyImpl> readProperty(NodeList propertyList) {
		ArrayList<PropertyImpl> alProperty = new ArrayList<PropertyImpl>();
		for (int i = 0; i < propertyList.getLength(); i++) {
			PropertyImpl property = new PropertyImpl();
			Element propertyElement = (Element) propertyList.item(i);
			property.setName(propertyElement.getAttribute("name"));
			property.setRefConstant(propertyElement.getAttribute("refConstant"));
			property.setDescription(propertyElement.getAttribute("description"));
			property.setDataType(propertyElement.getAttribute("dataType"));
			int length = propertyElement.getAttribute("length").equals("") ? 0 : Integer
					.parseInt(propertyElement.getAttribute("length"));
			property.setLength(length);
			property.setReferenceParentName(propertyElement.getAttribute("referenceParentName"));
			property.setDisplay(Boolean.valueOf(propertyElement.getAttribute("display"))
					.booleanValue());
			property.setUnique(Boolean.valueOf(propertyElement.getAttribute("unique"))
					.booleanValue());
			property.setScale(propertyElement.getAttribute("scale"));

			/**
			 * PageResouce.xml validate
			 */
			NodeList validateList = propertyElement.getElementsByTagName("validate");
			ValidateImpl validate = new ValidateImpl();
			for (int j = 0; j < validateList.getLength(); j++) {
				Element elementValidate = (Element) validateList.item(j);
				validate = readValidate(validate, elementValidate);
			}
			property.setValidate(validate);
			alProperty.add(property);
			log.debug("读取 " + property + " 完成!");
		}
		return alProperty;
	}

	// ...validate
	private ValidateImpl readValidate(ValidateImpl val, Element elementValidate) {
		String xmlNodeType = elementValidate.getAttribute("type");
		if (xmlNodeType.equals("need")) {
			val.setNeed(true);
		} else if (xmlNodeType.equals("trim")) {
			val.setTrim(true);
		} else if (xmlNodeType.equals("regx")) {
			val.setRegxValue(elementValidate.getAttribute("regxValue"));
		} else if (xmlNodeType.equals("range")) {
			val.setMaxValue(elementValidate.getAttribute("maxValue"));
			val.setMinValue(elementValidate.getAttribute("minValue"));
		} else if (xmlNodeType.equals("length")) {
			val.setMaxLength(elementValidate.getAttribute("maxLength"));
		} else if (xmlNodeType.equals("dojoType")) {
			val.setDojoType(elementValidate.getAttribute("typeValue"));
		} else if (xmlNodeType.equals("message")) {
			val.setPromptMessage(elementValidate.getAttribute("promptMessage"));
			val.setInvalidMessage(elementValidate.getAttribute("invalidMessage"));
		}
		return val;
	}

	/**
	 * <mdpClass classid="99999" name="Sys_TableId" description="系统表" type="Sys"
	 * primaryKey="" catche="false" exist="true" validate="true" dataSource="1">
	 */
	private void readMdpClass(NodeList classList) {
		ArrayList<MdpClassImpl> alClass = new ArrayList<MdpClassImpl>();
		for (int i = 0; i < classList.getLength(); i++) {

			Element classElement = (Element) classList.item(i);
			MdpClassImpl mdpClass = new MdpClassImpl();

			mdpClass.setClassid(Integer.parseInt(classElement.getAttribute("classid")));

			mdpClass.setType(classElement.getAttribute("type"));

			mdpClass.setValidate(Boolean.valueOf(classElement.getAttribute("validate"))
					.booleanValue());

			mdpClass.setDataSource(Integer.parseInt(classElement.getAttribute("dataSource")));

			mdpClass.setDescription(classElement.getAttribute("description"));
			/**
			 * mdpClass.setNgoogleEn(classElement.getAttribute("ngoogleEn"));
			 * mdpClass.setOldName(classElement.getAttribute("oldName"));
			 */
			mdpClass.setName(classElement.getAttribute("name"));

			mdpClass.setExist(Boolean.valueOf(classElement.getAttribute("exist")).booleanValue());

			mdpClass.setCatche(Boolean.valueOf(classElement.getAttribute("catche")).booleanValue());

			NodeList relationList = classElement.getElementsByTagName("relation");

			mdpClass.setRelations(readRelation(relationList, mdpClass.getClassid()));

			mdpClass.setPrimaryKey(classElement.getAttribute("primaryKey"));
			/**
			 * <mdpClass>下 <mdpAttribute>
			 */
			NodeList attributeList = classElement.getElementsByTagName("mdpAttribute");
			mdpClass.setMdpAttributes(readMdpAttribute(attributeList));

			if (mdpClass.getRelations().size() != 0)
				SysModelImpl.getInstance().addRelations(mdpClass.getRelations());

			alClass.add(mdpClass);
			log.debug("读取 " + mdpClass + " 完成!");
		}

		SysModelImpl.getInstance().setMdpClasses(alClass);
	}

	// ...
	private List<RelationImpl> readRelation(NodeList relationList, int hostClassid) {
		ArrayList<RelationImpl> alRelation = new ArrayList<RelationImpl>();
		for (int i = 0; i < relationList.getLength(); i++) {
			Element realtionElement = (Element) relationList.item(i);
			RelationImpl relation = new RelationImpl();
			relation.setHostClassid(hostClassid);
			relation.setType(Integer.parseInt(realtionElement.getAttribute("type")));
			relation.setGuestClassid(Integer.parseInt(realtionElement.getAttribute("guestClassid")));
			alRelation.add(relation);
			log.debug("读取 " + relation + " 完成!");
		}
		return alRelation;
	}

	// ...<mdpAttribute validate="" name="" description="" logicPrimaryKey=""
	// dataType="" referenceType="" scale="" precision="" index="" indexType=""
	// defaultValue="" notNull="" />
	private List<MdpAttributeImpl> readMdpAttribute(NodeList attributeList) {
		ArrayList<MdpAttributeImpl> alAttribute = new ArrayList<MdpAttributeImpl>();
		MdpAttributeImpl attribute = null;
		for (int i = 0; i < attributeList.getLength(); i++) {
			Element attributeElement = (Element) attributeList.item(i);
			attribute = new MdpAttributeImpl();

			attribute.setValidate(Boolean.valueOf(attributeElement.getAttribute("validate"))
					.booleanValue());
			attribute.setName(attributeElement.getAttribute("name"));
			/**
			 * attribute.setNgoogleEn(attributeElement.getAttribute("ngoogleEn")
			 * );
			 * attribute.setOldName(attributeElement.getAttribute("oldName"));
			 */
			attribute.setDescription(attributeElement.getAttribute("description"));
			attribute.setUnit(attributeElement.getAttribute("unit"));
			attribute.setLogicPrimaryKey(Boolean.valueOf(
					attributeElement.getAttribute("logicPrimaryKey")).booleanValue());
			attribute.setDataType(attributeElement.getAttribute("dataType"));

			attribute.setReferenceType(Integer.parseInt(attributeElement
					.getAttribute("referenceType")));

			attribute.setScale(attributeElement.getAttribute("scale"));
			int precision = attributeElement.getAttribute("precision").equals("") ? 0 : Integer
					.parseInt(attributeElement.getAttribute("precision"));
			attribute.setPrecision(precision);
			attribute.setIndex(Boolean.valueOf(attributeElement.getAttribute("index"))
					.booleanValue());
			attribute.setIndexType(attributeElement.getAttribute("indexType"));
			attribute.setDefaultValue(attributeElement.getAttribute("defaultValue"));
			attribute.setNotNull(Boolean.valueOf(attributeElement.getAttribute("notNull"))
					.booleanValue());
			NodeList referenceList = attributeElement.getElementsByTagName("reference");
			attribute.setReference(readReference(referenceList));

			attribute.setAutoIncrement(Boolean.valueOf(
					attributeElement.getAttribute("isAutoIncrement")).booleanValue());
			attribute.setReadOnly(Boolean.valueOf(attributeElement.getAttribute("isReadOnly"))
					.booleanValue());
			attribute.setSearchable(Boolean.valueOf(attributeElement.getAttribute("isSearchable"))
					.booleanValue());
			attribute.setSigned(Boolean.valueOf(attributeElement.getAttribute("isSigned"))
					.booleanValue());

			int columnDisplaySize = attributeElement.getAttribute("columnDisplaySize").equals("") ? 0
					: Integer.parseInt(attributeElement.getAttribute("columnDisplaySize"));
			attribute.setColumnDisplaySize(columnDisplaySize);
			attribute.setFieldType(attributeElement.getAttribute("fieldType"));

			log.debug("读取 " + attribute.getReference() + " 完成!");
			alAttribute.add(attribute);
			log.debug("读取 " + attribute + " 完成!");
		}
		return alAttribute;
	}

	// ...
	private Reference readReference(NodeList referenceList) {
		if (referenceList.getLength() == 1) {
			Element referenceElement = (Element) referenceList.item(0);
			Reference reference = new Reference();
			reference.setReferenceTable(referenceElement.getAttribute("referenceTable"));
			reference.setStoreName(referenceElement.getAttribute("storeName"));
			reference.setDisplayName(referenceElement.getAttribute("displayName"));
			return reference;
		}
		return null;
	}
}