SOAP 擷取 天氣預報

package com.caituo.webservices;

import java.io.InputStream;

import java.io.OutputStream;

import java.io.OutputStreamWriter;

import java.net.URL;

import java.net.URLConnection;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;

import org.w3c.dom.Node;

import org.w3c.dom.NodeList;

public class WeatherReport {

private static String getSoapRequest(String city) {

StringBuilder sb = new StringBuilder();

sb.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>"

+ "<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "

+ "xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" "

+ "xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">"

+ "<soap:Body> <getWeatherbyCityName xmlns=\"http://WebXml.com.cn/\">"

+ "<theCityName>" + city

+ "</theCityName> </getWeatherbyCityName>"

+ "</soap:Body></soap:Envelope>");

return sb.toString();

}

private static InputStream getSoapInputStream(String city) throws Exception {

try {

String soap = getSoapRequest(city);

if (soap == null) {

return null;

}

URL url = new URL(

"http://www.webxml.com.cn/WebServices/WeatherWebService.asmx");

URLConnection conn = url.openConnection();

conn.setUseCaches(false);

conn.setDoInput(true);

conn.setDoOutput(true);

conn.setRequestProperty("Content-Length", Integer.toString(soap

.length()));

conn.setRequestProperty("Content-Type", "text/xml; charset=utf-8");

conn.setRequestProperty("SOAPAction",

"http://WebXml.com.cn/getWeatherbyCityName");

OutputStream os = conn.getOutputStream();

OutputStreamWriter osw = new OutputStreamWriter(os, "utf-8");

osw.write(soap);

osw.flush();

osw.close();

InputStream is = conn.getInputStream();

return is;

} catch (Exception e) {

e.printStackTrace();

return null;

}

}

public static String getWeather(String city) {

try {

Document doc;

DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

dbf.setNamespaceAware(true);

DocumentBuilder db = dbf.newDocumentBuilder();

InputStream is = getSoapInputStream(city);

doc = db.parse(is);

NodeList nl = doc.getElementsByTagName("string");

StringBuffer sb = new StringBuffer();

for (int count = 0; count < nl.getLength(); count++) {

Node n = nl.item(count);

if(n.getFirstChild().getNodeValue().equals("查詢結果為空！")) {

sb = new StringBuffer("#") ;

break ;

}

sb.append(n.getFirstChild().getNodeValue() + "#\n");

}

is.close();

return sb.toString();

} catch (Exception e) {

e.printStackTrace();

return null;

}

}

public static String getTodayeWeather(){

String weather="";

String city="武漢";

StringBuffer sb = new StringBuffer();

try {

Document doc;

DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

dbf.setNamespaceAware(true);

DocumentBuilder db = dbf.newDocumentBuilder();

InputStream is = getSoapInputStream(city);

doc = db.parse(is);

NodeList nl = doc.getElementsByTagName("string");

for (int count = 0; count < nl.getLength(); count++) {

Node n = nl.item(count);

if(n.getFirstChild().getNodeValue().equals("查詢結果為空！")) {

sb = new StringBuffer("#") ;

break ;

}

sb.append(n.getFirstChild().getNodeValue() + "#\n");

}

is.close();

} catch (Exception e) {

e.printStackTrace();

return null;

}

String wearths=sb.toString();

String[] weath=wearths.split("#");

for (int i=0;i<weath.length;i++){

System.out.println(i+":"+weath[i].trim());

}

String thisweath=weath[6];

String[] thisweat=thisweath.split(" ");

weather=thisweat[1]+" "+weath[5];

return weather;

}

public static void main(String[] args) throws Exception {

System.out.println(getTodayeWeather());

System.out.println("po&oi".split("&").length) ;

System.out.println("##".split("#").length) ;

}

}