FileOperation.java :  » UnTagged » uphone-bank-project » com » ultrawise » android » bank » webservices » implement » payment06 » Android Open Source

package com.ultrawise.android.bank.webservices.implement.payment06;

import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Calendar;
import java.util.GregorianCalendar;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;
import org.xml.sax.SAXException;

public class FileOperation {
    
  //Document
  public static Document getFileDocument(String fileName){
    StringBuffer data = new StringBuffer();
    String line = "";
    ByteArrayInputStream stream = null;
    Document doc = null;
    try {
      String path=Thread.currentThread().getContextClassLoader().getResource("").getPath(); 
      BufferedReader br=new BufferedReader(new InputStreamReader(new FileInputStream(path+"\\"+fileName+".txt"),"utf-8"));
      while((line=br.readLine())!=null){
        data.append(line+"\n");
      }
      stream=new ByteArrayInputStream(data.toString().getBytes("utf-8"));
      
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    
    DocumentBuilderFactory dbf=DocumentBuilderFactory.newInstance();
    try {
      DocumentBuilder db=dbf.newDocumentBuilder();
      doc=db.parse(stream);
    } catch (ParserConfigurationException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (SAXException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    
    return doc;
  }
  
  
  //Document
  public static boolean saveDocument(Document doc,String fileName){
    TransformerFactory tFactory =TransformerFactory.newInstance();
    Transformer transformer=null;
    try {
      transformer = tFactory.newTransformer();
    } catch (TransformerConfigurationException e1) {
      // TODO Auto-generated catch block
      e1.printStackTrace();
      return false;
    }
    
    DOMSource source = new DOMSource(doc);
    String path=Thread.currentThread().getContextClassLoader().getResource("").getPath();
    StreamResult result = new StreamResult(new java.io.File(path+"\\"+fileName+".txt"));
    
    try {
      transformer.transform(source, result);
    } catch (TransformerException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
      return false;
    }
    return true;
  }
  
  //xml
  public static Document insertNode(Document doc,String value){
    System.out.println(value+"_______________________________");
    String[] values = value.split("#");
    Calendar cal=new GregorianCalendar();
    System.out.println(values.length);
    NodeList n1 = doc.getElementsByTagName(values[0]);
    Node root = n1.item(0);
    Element node = doc.createElement(values[1]);
    
    Element node1 = doc.createElement("id");
    Text text1 = doc.createTextNode("1");
    node1.appendChild(text1);
    node.appendChild(node1);
    
    Element node2 = doc.createElement("userid");
    Text text2 = doc.createTextNode("zhangsan");
    node2.appendChild(text2);
    node.appendChild(node2);
    //
    Element node3 = doc.createElement("credit");
    Text text3 = doc.createTextNode(values[6]+".00");
    node3.appendChild(text3);
    node.appendChild(node3);
    //
    Element node4 = doc.createElement("creqqnum");
    Text text4 = doc.createTextNode(values[3]);
    node4.appendChild(text4);
    node.appendChild(node4);
    //
    Element node5 = doc.createElement("credata");
    Text text5 = doc.createTextNode(cal.get(Calendar.YEAR) + "-" + (cal.get(Calendar.MONTH)+1)
        + "-" + cal.get(Calendar.DAY_OF_MONTH));
    node5.appendChild(text5);
    node.appendChild(node5);
    
    Element node6 = doc.createElement("creno");
    Text text6 = doc.createTextNode(values[5]);
    node6.appendChild(text6);
    node.appendChild(node6);
    
    Element node7 = doc.createElement("operator");
    Text text7 = doc.createTextNode(values[4]);
    node7.appendChild(text7);
    node.appendChild(node7);
    
    Element node8 = doc.createElement("account");
    Text text8 = doc.createTextNode(values[7]);
    node8.appendChild(text8);
    node.appendChild(node8);
    
    root.appendChild(node);
    
    return doc;
  }
  
}