dom4j方式访问远程WebService返回xml形式的String类型数据实例

package cn.xuediit.dom4jWS;import java.io.IOException;import java.io.InputStream;import java.net.MalformedURLException;import java.net.URL;import java.net.URLConnection;import java.util.HashMap;import java.util.Map;import org.dom4j.Document;import org.dom4j.DocumentException;import org.dom4j.io.SAXReader;import org.w3c.dom.DOMException;/***要导入dom4j-1.6.1.jar * DomXMLString.java（一般而言，只要NETDATA_URL地址访问正常，本程序即可正常运行） * @author xuechong * @time 6/12/2010 11:03 * @src  http://eric-619.iteye.com/blog/693152 * @title：dom4j方式访问远程WebService返回xml形式的String类型数据 * 根据url来定，浏览器中能得到什么，java程序这里就能输出什么 */public class Dom4jToXML{//远程WebService接口url    private static String NETDATA_URL = "http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx/getRegionProvince";        public static void main(String[] args) throws Exception{    Document document = getProvinceDocument(NETDATA_URL);    if(document != null){    System.out.println(document.asXML());    }    }        /*返回一个Document对象*/    public static Document getProvinceDocument(String netXMLDataURL){    Document document = null;SAXReader reader = new SAXReader();Map<String, String> map = new HashMap<String, String>();reader.getDocumentFactory().setXPathNamespaceURIs(map);        try{InputStream inputStream = getSoapInputStream(netXMLDataURL);    //具体webService相关document = reader.read(inputStream);inputStream.close();}catch(DOMException e){e.printStackTrace();return null;}catch(IOException e){e.printStackTrace();return null;}catch (DocumentException e){e.printStackTrace();}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();/*参数具体WebService基于http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx?op=getRegionProvince*/urlConn.setRequestProperty("Host", "webservice.webxml.com.cn");urlConn.setRequestProperty("Content-Type", "text/xml; charset=utf-8");urlConn.setRequestProperty("SOAPAction", "http://WebXml.com.cn/getRegionProvince");urlConn.connect();inputStream = urlConn.getInputStream();}catch(MalformedURLException e){e.printStackTrace();}catch(IOException e){e.printStackTrace();}        return inputStream;    }    }