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

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
* 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 = "D:/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());
}

}

}