package kangyi;

import java.io.*;
import java.util.*;
import javax.xml.parsers.*; //XML解析器接口
import org.w3c.dom.*; //XML的DOM實(shí)現(xiàn)
import org.apache.crimson.tree.XmlDocument;//寫(xiě)XML文件要用到

import kangyi.form.PageGrantForm;

/**
 * <p>Description  :  從XML中讀取數(shù)據(jù) </p>
 * <p>Project      :  ciqms
 * <p>Company      :  東軟股份國(guó)際合作事業(yè)部</p>
 * <p>Create Date  :  2005.5.9</P>
 * @author         :  康毅 | kangyi@neusoft.com
 * @version        :  0.2
 * @see            :  kangyi.form.PageGrantForm
 * 
 */
public class XMLTest {

	/*向量用來(lái)存放從XML中取得的數(shù)據(jù)*/
	protected Vector pagegrant_Vector = new Vector();

	/*
	 * name:         讀XML
	 * describing:   從XML中讀取每個(gè)JSP頁(yè)面的權(quán)限和操作此JSP頁(yè)面的表名 
	 * @param        String inFile XML的存放路徑
	 * @return       Vector pagegrant_Vector
	 *               
	 */

	public Vector readXMLFile(String inFile) throws Exception {
		//為解析XML作準(zhǔn)備，創(chuàng)建DocumentBuilderFactory實(shí)例,指定DocumentBuilder
		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
		DocumentBuilder db = null;
		try {
			db = dbf.newDocumentBuilder();
		} catch (ParserConfigurationException pce) {
			System.err.println(pce); //出異常時(shí)輸出異常信息，然后退出，下同
			System.exit(1);
		}

		Document doc = null;
		try {
			doc = db.parse(inFile);
		} catch (DOMException dom) {
			System.err.println(dom.getMessage());
			System.exit(1);
		} catch (IOException ioe) {
			System.err.println(ioe);
			System.exit(1);
		}
		//下面是解析XML的全過(guò)程，先取根元素"pagegrant"
		Element root = doc.getDocumentElement();
		//取"page"元素列表
		NodeList pages = root.getElementsByTagName("page");
		for (int i = 0; i < pages.getLength(); i++) {
			//      依次取每個(gè)"page"元素
			Element page = (Element) pages.item(i);
			//      創(chuàng)建一個(gè)頁(yè)面實(shí)例
			PageGrantForm pagegrantform = new PageGrantForm();
			//      取屬性
			pagegrantform.setPagename(page.getAttribute("pagename"));
			pagegrantform.setPageSelectGrant(page
					.getAttribute("pageSelectGrant"));
			pagegrantform.setPageAddGrant(page.getAttribute("pageAddGrant"));
			pagegrantform.setPageDeleteGrant(page
					.getAttribute("pageDeleteGrant"));
			pagegrantform.setPageUpdateGrant(page
					.getAttribute("pageUpdateGrant"));
			pagegrantform
					.setPageAdminGrant(page.getAttribute("pageAdminGrant"));
			pagegrantform.setPageTableName(page.getAttribute("pageTableName"));
			pagegrant_Vector.add(pagegrantform);
		}
		return pagegrant_Vector;
	}

}