哪位老兄有http+xml的详细资料麻烦发下，谢谢！

Question

哪位老兄有http+xml的详细资料麻烦发下，谢谢！   或者直接发到我邮箱：[email protected]   谢谢！！

Answer 1

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
import org.apache.commons.httpclient.methods.ByteArrayRequestEntity;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class HttpUtil
{
    private static Log log = LogFactory.getLog(HttpUtil.class);    /**
     * 定义编码格式 UTF-8
     */
    public static final String URL_PARAM_DECODECHARSET_UTF8 = "UTF-8";    /**
     * 定义编码格式 GBK
     */
    public static final String URL_PARAM_DECODECHARSET_GBK = "GBK";    private static final String URL_PARAM_CONNECT_FLAG = "&";    private static final String EMPTY = "";    private static MultiThreadedHttpConnectionManager connectionManager = null;    private static int connectionTimeOut = 25000;//Http 连接超时为25秒    private static int socketTimeOut = 25000;//请求超时为 25 秒    private static int maxConnectionPerHost = 20;//每个主机的最大并行链接数    private static int maxTotalConnections = 20;//客户端总并行链接最大数    private static HttpClient client;    static
    {
        connectionManager = new MultiThreadedHttpConnectionManager();
        connectionManager.getParams().setConnectionTimeout(connectionTimeOut);
        connectionManager.getParams().setSoTimeout(socketTimeOut);
        connectionManager.getParams().setDefaultMaxConnectionsPerHost(
                maxConnectionPerHost);
        connectionManager.getParams().setMaxTotalConnections(
                maxTotalConnections);
        client = new HttpClient(connectionManager);
    }    /**
     * POST方式提交数据
     * 
     * @param url
     *                待请求的URL
     * @param params
     *                要提交的数据
     * @param enc
     *                编码
     * @return 响应结果
     * @throws IOException
     *                 IO异常
     */
    public static String URLPost(String url, Map<String, String> params,
            String enc)
    {        String response = EMPTY;
        PostMethod postMethod = null;
        try
        {
            postMethod = new PostMethod(url);
            postMethod.setRequestHeader("Content-Type",
                    "application/x-www-form-urlencoded;charset=" + enc);
            // 将表单的值放入postMethod中
            Set<String> keySet = params.keySet();
            for (String key : keySet)
            {
                String value = params.get(key);
                postMethod.addParameter(key, value);
            }
            // 执行postMethod
            int statusCode = client.executeMethod(postMethod);
            if (statusCode == HttpStatus.SC_OK)
            {
                response = postMethod.getResponseBodyAsString();
            }
            else
            {
                log.error("响应状态码 = " + postMethod.getStatusCode());
            }
        }
        catch (HttpException e)
        {
            log.error("发生致命的异常，可能是协议不对或者返回的内容有问题", e);
            e.printStackTrace();
        }
        catch (IOException e)
        {
            log.error("发生网络异常", e);
            e.printStackTrace();
        }
        finally
        {
            if (postMethod != null)
            {
                postMethod.releaseConnection();
                postMethod = null;
            }
        }        return response;
    }    /**
     * POST方式提交数据
     * 
     * @param url
     *                待请求的URL
     * @param params
     *                要提交的数据
     * @param enc
     *                编码
     * @return 响应结果
     * @throws IOException
     *                 IO异常
     */
    public static String URLPost(String url, Map<String, String> params,
            String xmls, String enc)throws HttpException,IOException
    {        String response = EMPTY;
        PostMethod postMethod = null;
        try
        {
            postMethod = new PostMethod(url);
            postMethod.setRequestHeader("Content-Type",
                    "application/x-www-form-urlencoded;charset=" + enc);
            // 将表单的值放入postMethod中
            if(params!=null)
            {
                Set<String> keySet = params.keySet();
                for (String key : keySet)
                {
                    String value = params.get(key);
                    postMethod.addParameter(key, value);
                }
            }            ByteArrayRequestEntity entity = new ByteArrayRequestEntity(xmls
                    .getBytes());
            postMethod.setRequestEntity(entity);            // 执行postMethod
            int statusCode = client.executeMethod(postMethod);
            if (statusCode == HttpStatus.SC_OK)
            {
                response = postMethod.getResponseBodyAsString();
            }
            else
            {
                log.error("响应状态码 = " + postMethod.getStatusCode());
            }
        }
        catch (HttpException e)
        {
//            log.error("发生致命的异常，可能是协议不对或者返回的内容有问题", e);
//            e.printStackTrace();
            throw new HttpException();
        }
        catch (IOException e)
        {
//            log.error("发生网络异常", e);
//            e.printStackTrace();
            throw new IOException();
        }
        finally
        {
            if (postMethod != null)
            {
                postMethod.releaseConnection();
                postMethod = null;
            }
        }
        return response;
    }    /**
     * GET方式提交数据
     * 
     * @param url
     *                待请求的URL
     * @param params
     *                要提交的数据
     * @param enc
     *                编码
     * @return 响应结果
     * @throws IOException
     *                 IO异常
     */
    public static String URLGet(String url, Map<String, String> params,
            String enc)
    {        String response = EMPTY;
        GetMethod getMethod = null;
        StringBuffer strtTotalURL = new StringBuffer(EMPTY);        if (strtTotalURL.indexOf("?") == -1)
        {
            strtTotalURL.append(url).append("?").append(getUrl(params, enc));
        }
        else
        {
            strtTotalURL.append(url).append("&").append(getUrl(params, enc));
        }
        log.debug("GET请求URL = \n" + strtTotalURL.toString());        try
        {
            getMethod = new GetMethod(strtTotalURL.toString());
            getMethod.setRequestHeader("Content-Type",
                    "application/x-www-form-urlencoded;charset=" + enc);
            // 执行getMethod
            int statusCode = client.executeMethod(getMethod);
            if (statusCode == HttpStatus.SC_OK)
            {
                response = getMethod.getResponseBodyAsString();
            }
            else
            {
                log.debug("响应状态码 = " + getMethod.getStatusCode());
            }
        }
        catch (HttpException e)
        {
            log.error("发生致命的异常，可能是协议不对或者返回的内容有问题", e);
            e.printStackTrace();
        }
        catch (IOException e)
        {
            log.error("发生网络异常", e);
            e.printStackTrace();
        }
        finally
        {
            if (getMethod != null)
            {
                getMethod.releaseConnection();
                getMethod = null;
            }
        }        return response;
    }    /**
     * 据Map生成URL字符串
     * 
     * @param map
     *                Map
     * @param valueEnc
     *                URL编码
     * @return URL
     */
    private static String getUrl(Map<String, String> map, String valueEnc)
    {        if (null == map || map.keySet().size() == 0)
        {
            return (EMPTY);
        }
        StringBuffer url = new StringBuffer();
        Set<String> keys = map.keySet();
        for (Iterator<String> it = keys.iterator(); it.hasNext();)
        {
            String key = it.next();
            if (map.containsKey(key))
            {
                String val = map.get(key);
                String str = val != null ? val : EMPTY;
                try
                {
                    str = URLEncoder.encode(str, valueEnc);
                }
                catch (UnsupportedEncodingException e)
                {
                    e.printStackTrace();
                }
                url.append(key).append("=").append(str).append(
                        URL_PARAM_CONNECT_FLAG);
            }
        }
        String strURL = EMPTY;
        strURL = url.toString();
        if (URL_PARAM_CONNECT_FLAG.equals(EMPTY
                + strURL.charAt(strURL.length() - 1)))
        {
            strURL = strURL.substring(0, strURL.length() - 1);
        }        return (strURL);
    }}

Answer 2

http://www.ibm.com/developerworks/cn/opensource/os-httpclient/