initflow.java

一个工作流组件（包括定义和引擎）

package org.shaoye.workflow.flow;

import java.io.*;

import org.panda.*;
import org.jdom.input.SAXBuilder;
import org.jdom.Document;
import org.jdom.Element;

import java.io.StringReader;
/**
 *
 * <p>Title: 初始化工作流 </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class InitFlow {

    private static Document doc = null;
    private static Element root = null;

    public InitFlow() {}

    /**
     * 生成 XML DOC 文件
     * @param _file String
     * @return Document
     * @throws FileNotFoundException
     * @throws Exception
     */
    public static Element getRootXML()
            throws FileNotFoundException, Exception
    {
        InputStream is = null;
        SAXBuilder builder = null;
        try
        {
            builder = new SAXBuilder();
            is = new FileInputStream( Globals.XML_PATH_NAME );
            //byte[] _byte= new Byte[is.available()];
            //is.read(_byte);

            Document doc = builder.build(is);
            root = doc.getRootElement();
        }
        catch(FileNotFoundException fex)
        {
            throw fex;
        }
        catch(Exception ex)
        {
            throw ex;
        }
        finally
        {
            if(is!=null)
                is.close();
            return root;
        }
    }

    public Document getDoc() {
        return doc;
    }


    public void setDoc(Document doc) {
        this.doc = doc;
    }


    public void setRoot(Element root) {
        this.root = root;
    }
}