通過webservices讀取遠程的xml文件

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;


/**
* 通過webservices讀取遠程的xml文件
* @author Administrator
*
*/
public class DomXMLString {
private static String SERVICES_HOST = "www.webxml.com.cn";
private static String NETDATA_URL = "http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx/getRegionProvince";
private static String LOCAL_PC_SAVEFILE_URL = "E:\\RemoteXml.xml";
private DomXMLString() {
}

public static void main(String[] args) throws Exception {
Document document = getProvinceCode(NETDATA_URL);
createXml(document, LOCAL_PC_SAVEFILE_URL);
}



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); // 具體webService相關
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對象 */

public static InputStream getSoapInputStream(String url) {
InputStream inputStream = null;
try {
URL urlObj = new URL(url);
URLConnection urlConn = urlObj.openConnection();
urlConn.setRequestProperty("Host", SERVICES_HOST); // 具體webService相關
urlConn.connect();
inputStream = urlConn.getInputStream();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return inputStream;
}


public static void createXml(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());
}
}

}