java访问WebService返回xml数据生成为本地文件实例

import java.io.IOException;  
import java.io.InputStream;  
import java.net.MalformedURLException;  
import java.net.URL;  
import java.net.URLConnection;  
import java.io.FileNotFoundException;   
import java.io.FileOutputStream;   
import java.io.PrintWriter;   
 
import org.w3c.dom.Document;  
import org.w3c.dom.DOMException;  
import org.xml.sax.SAXException;   
 
import javax.xml.parsers.DocumentBuilder;  
import javax.xml.parsers.DocumentBuilderFactory;  
import javax.xml.parsers.ParserConfigurationException;  
import javax.xml.transform.OutputKeys;   
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;   
 
/*** 
* @author xuechong 
* src   http://eric-619.iteye.com/blog/692838 
* 6/11/2010 16:58 
* DomXMLString.java 
* 概述：纯java方式访问远程WebService接口返回的xml格式的数据保存在本地 
*/ 
public class DomXMLString{  
    private static String SERVICES_HOST = "www.webxml.com.cn";  
    //远程WebService接口url  
    private static String NETDATA_URL = "http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx/getRegionProvince";  
    //访问远程WebService接口返回的xml格式的数据保存在本地的绝对路径  
    private static String LOCAL_PC_SAVEFILE_URL = "E:dataTest/netDataToLocalFile.xml";  
      
    private DomXMLString(){}  
      
    public static void main(String[] args) throws Exception{      
        Document document = getProvinceCode(NETDATA_URL);  
        helloOK(document, LOCAL_PC_SAVEFILE_URL);  
    }  
      
    /*返回一个Document对象*/ 
    public static Document getProvinceCode(String netXMLDataURL){     
        Document document = null;  
        DocumentBuilderFactory documentBF = DocumentBuilderFactory.newInstance();  
        documentBF.setNamespaceAware(true);  
        try{  
            DocumentBuilder documentB = documentBF.newDocumentBuilder();  
            InputStream inputStream = getSoapInputStream(netXMLDataURL);    //具体webService相关  
            document = documentB.parse(inputStream);  
            inputStream.close();  
        }catch(DOMException e){  
            e.printStackTrace();  
            return null;  
        }catch(ParserConfigurationException e){  
            e.printStackTrace();  
            return null;  
        }catch (SAXException e){      
            e.printStackTrace();  
            return null;  
        }catch(IOException e){  
            e.printStackTrace();  
            return null;  
        }  
        return document;  
    }  
      
    /*返回InputStream对象*/ 
    public static InputStream getSoapInputStream(String url){  
        InputStream inputStream = null;  
        try{  
            URL urlObj = new URL(url);  
            URLConnection urlConn = urlObj.openConnection();  
            urlConn.setRequestProperty("Host", SERVICES_HOST);    //具体webService相关  
            urlConn.connect();  
            inputStream = urlConn.getInputStream();  
        }catch(MalformedURLException e){  
            e.printStackTrace();  
        }catch(IOException e){  
            e.printStackTrace();  
        }  
        return inputStream;  
    }  
      
    /*访问远程(WebService)xml数据后返回的xml格式字符串并生成为本地文件*/ 
    public static void helloOK(Document document, String savaFileURL){  
        TransformerFactory transF = TransformerFactory.newInstance();  
        try{   
            Transformer transformer = transF.newTransformer();   
            DOMSource source = new DOMSource(document);   
            transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");   
            transformer.setOutputProperty(OutputKeys.INDENT, "YES");   
            PrintWriter pw = new PrintWriter(new FileOutputStream(savaFileURL));   
            StreamResult result = new StreamResult(pw);   
            transformer.transform(source, result);  
            System.out.println("生成xml文件成功!");   
        }catch(TransformerConfigurationException e){   
            System.out.println(e.getMessage());   
        }catch(IllegalArgumentException e){   
            System.out.println(e.getMessage());   
        }catch(FileNotFoundException e){   
            System.out.println(e.getMessage());   
        }catch(TransformerException e){  
            System.out.println(e.getMessage());   
        }   
    }  
      
}