factory.java

OBPM是一个开源

//Source file: D:\\BILLFLOW\\src\\billflow\\Factory.java

//Source file: E:\\billflow\\src\\billflow\\Factory.java

package cn.myapps.core.workflow.utility;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringBufferInputStream;

import org.xml.sax.InputSource;
import org.xml.sax.Parser;
import org.xml.sax.SAXException;

import cn.myapps.core.workflow.element.FlowDiagram;

public class Factory {
  private XMLOperate _xmlopt;

  /**
      @roseuid 3E0428D90017
   */
  public Factory() {

  }

  public static FlowDiagram trnsXML2Dgrm(File xml) {
    StringBuffer sb = new StringBuffer();
    try {
      FileReader fis = new FileReader(xml);
      BufferedReader fr = new BufferedReader(fis);
      String tmp = null;
      do {
        tmp = fr.readLine();
        sb.append(tmp);
      }
      while (tmp != null);
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
    String xmlStr = sb.toString();
    return trnsXML2Dgrm(xmlStr);

  }

  /**
      @param xml
      @return cn.myapps.core.workflow.FlowDiagram
      @roseuid 3E0404D902E6
   */
  public static FlowDiagram trnsXML2Dgrm(String xml) {
    XMLOperate xmlopt = new XMLOperate();
//    InputStream in = new StringBufferInputStream(CommonUtil.gbTo8859(xml));
    InputStream in = new java.io.ByteArrayInputStream(xml.getBytes());
//       InputStream in = new StringBufferInputStream(xml);
    /*
           FlowDiagram fd = new FlowDiagram();
            Node n = new Actor(fd);
            n.name = "这是一个测试";
            n.x = 50;
            n.y = 50;
     */
    FlowDiagram fd = null;
    // Graphics g=fd.getGraphics();
    Parser parser;
    try {
//           System.out.println("Wait parse.");
      parser = makeParser("uk.co.wilson.xml.MinML");

      parser.setDocumentHandler(xmlopt);

      parser.parse(new InputSource(in));

      fd = xmlopt.getResult();
      //Graphics g=fd.getGraphics();

//           System.out.println("Parse OK!");
    }
    catch (IOException ioe) {
      ioe.printStackTrace();
    }
    catch (SAXException sxe) {
      sxe.printStackTrace();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
    return fd;
  }

  /**
      @param elms
      @return java.lang.String
      @roseuid 3E0405E502CD
   */
  public static String trnsDgrm2XML(java.util.Vector elms) {
    return null;
  }

  /**
      Create a XML Parser. It can use the simplest Parser Driver like MinML.
      @param className
      @return org.xml.sax.Parser
      @throws java.lang.ClassNotFoundException
      @throws java.lang.IllegalAccessException
      @throws java.lang.InstantiationException
      @throws java.lang.ClassCastException
      @roseuid 3E0A6E1800BB
   */
  private static Parser makeParser(String className) throws
      ClassNotFoundException, IllegalAccessException, InstantiationException,
      ClassCastException {
    return (Parser) (Class.forName(className).newInstance());
  }

  public static void main(String[] args) {
  FlowDiagram fd = trnsXML2Dgrm(new File("f:\\temp\\abdc2.xml"));
  String f = "f:\\temp\\abdc2.xml";
try {
  java.io.FileOutputStream os = new java.io.FileOutputStream(f);
  java.io.PrintStream osw = new java.io.PrintStream(os);
  osw.println(fd.toXML());
}
catch (Exception ex) {
  System.out.println("error!");
}

  }
}