1 package com.suneee.scn.tms.rest.impl;
2
3 import org.dom4j.Document;
4 import org.dom4j.Element;
5 import org.dom4j.io.SAXReader;
6
7 import java.io.InputStream;
8 import java.io.OutputStream;
9 import java.io.OutputStreamWriter;
10 import java.net.URL;
11 import java.net.URLConnection;
12 import java.util.HashMap;
13 import java.util.Iterator;
14 import java.util.List;
15 import java.util.Map;
16
17 /**
18 * 类作用调用webservice得到天气预报服务
19 * @author qsw-Myonlystar 2010-1-13上午09:59:45
20 */
21 public class Weather {
22 /**
23 * 获取soap请求头，并替换其中的标志符号为用户的输入符号
24 * @param city 用户输入城市名
25 * @return 用户将要发送给服务器的soap请求
26 */
27 private static String getSoapRequest(String city) {
28 StringBuilder sb = new StringBuilder();
29 sb.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>"
30 + "<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
31 + "xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" "
32 + "xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">"
33 + "<soap:Body> <getWeatherbyCityName xmlns=\"http://WebXml.com.cn/\">"
34 + "<theCityName>" + city
35 + "</theCityName> </getWeatherbyCityName>"
36 + "</soap:Body></soap:Envelope>");
37 return sb.toString();
38 }
39 /**
40 * 用户把SOAP请求发送给服务器端，并返回服务器点返回的输入流
41 * @param city 用户输入的城市名称
42 * @return 服务器端返回的输入流，供客户端读取
43 * @throws Exception
44 */
45 public static InputStream getSoapInputStream(String city) throws Exception {
46 try {
47 String soap = getSoapRequest(city);
48 if (soap == null) {
49 return null;
50 }
51 URL url = new URL(
52 "http://www.webxml.com.cn/WebServices/WeatherWebService.asmx");
53 URLConnection conn = url.openConnection();
54 conn.setUseCaches(false);
55 conn.setDoInput(true);
56 conn.setDoOutput(true);
57 conn.setRequestProperty("Content-Length", Integer.toString(soap
58 .length()));
59 conn.setRequestProperty("Content-Type", "text/xml; charset=utf-8");
60 conn.setRequestProperty("SOAPAction",
61 "http://WebXml.com.cn/getWeatherbyCityName");
62 OutputStream os = conn.getOutputStream();
63 OutputStreamWriter osw = new OutputStreamWriter(os, "utf-8");
64 osw.write(soap);
65 osw.flush();
66 osw.close();
67 InputStream is = conn.getInputStream();
68 //System.out.println(is.toString());
69 return is;
70 } catch (Exception e) {
71 e.printStackTrace();
72 return null;
73 }
74 }
75 /**
76 * 通过dom4j对服务器端返回的XML进行解析
77 * @param city 用户输入的城市名称
78 * @return 符串 用,分割
79 */
80 public static String getWeather(String city) {
81 Document document=null;
82 SAXReader reader = new SAXReader();
83 String s="";
84 Map map=new HashMap();
85 map.put("design", "http://WebXml.com.cn/");
86 reader.getDocumentFactory().setXPathNamespaceURIs(map);
87 try {
88 InputStream is = getSoapInputStream(city);//得到输入流
89 document=reader.read(is);//将输入流转化为document
90 String t =document.asXML();
91 System.out.println(t);
92 } catch (Exception e) {
93 // TODO Auto-generated catch block
94 e.printStackTrace();
95 }
96
97
98
99 /* List nodes = document.selectNodes("//design:string");
100 for (Iterator it = nodes.iterator(); it.hasNext();) {
101 Element elm = (Element) it.next();
102 String text=elm.getText();
103 //System.out.println("fsffs"+text);
104 s=s+elm.getText()+"\n";
105 }*/
106 return s;
107 }
108 /**
109 * 测试函数
110 * @param args
111 */
112 public static void main(String args[]){
113 Weather w=new Weather();
114 System.out.println(w.getWeather("北京"));
115 }
116 }
