HttpClient的简单用法

package com.dc.framework.util;import java.io.IOException;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.HttpException;import org.apache.commons.httpclient.HttpMethod;import org.apache.commons.httpclient.NameValuePair;import org.apache.commons.httpclient.methods.GetMethod;import org.apache.commons.httpclient.methods.PostMethod;import com.dc.brisk.soa.util.DataWindow;import com.dc.framework.component.ConfigResource;/** * 读取HTTP内容 */public class HttpClientUtil {    private static final String appName = "physicalService";    private static final String backup_service = "snapshot_physical";    private static final String restore_service = "restore_physical";    private static final String ip;    private static final int port;    private static final String server_protocol;    private static final String uri;    static{        ip  = ConfigResource.getConfig(ConfigResource.SERVER_IP);        port = Integer.valueOf(ConfigResource.getConfig(ConfigResource.SERVER_PORT));        server_protocol = ConfigResource.getConfig(ConfigResource.SERVER_PROTOCOL);        uri = ConfigResource.getConfig(ConfigResource.SERVER_URI);    }    public static void main(String[] args) throws HttpException, IOException    {        getRemoteHostStatus("10.1.180.178") ;    }    public static DataWindow getRemoteHostStatus(String ip){        DataWindow result = new DataWindow(DataWindow._NAME_VALUE);        HttpClient client = new HttpClient();        client.getHostConfiguration().setHost(ip,port,server_protocol);        NameValuePair[] values = new NameValuePair[2];        values[0] = new NameValuePair("AppName","EquipMon");        values[1] = new NameValuePair("Service","Usage");        HttpMethod method = getPostMethod(uri,values);        try {            client.executeMethod(method);            //打印服务器返回的状态            String response = new String(method.getResponseBodyAsString().getBytes("8859_1"));            method.releaseConnection();            //打印返回的信息            result.putAttribute("status", method.getStatusCode());            /*             * {"CPU":"16.0"                ,"MEM":"52.310001373291016"                ,"DISK0":"58.76"                ,"DISK1":"5.08"                ,"DISK2":"8.05"                }             */            String[] array = response.replace("{", "").replace("}", "").split(",");            for(int i=0;i<array.length;i++)            {                String each = array[i];                String[] key_value = each.split(":");                key_value[0] = key_value[0].replaceAll("\"", "");                key_value[1] = key_value[1].replaceAll("\"", "").replaceAll("[\r\n]", "");                if("MEM".equals(key_value[0].trim()))                {                    key_value[1] = key_value[1].substring(0,key_value[1].indexOf(".")+3);                }                result.putAttribute(key_value[0], key_value[1]);            }        } catch (HttpException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }        return result;    }    public static void printDataWindow(DataWindow data)    {        StringBuffer sb = new StringBuffer();        TransforTools.enCodeJson(data, sb);        System.out.println(sb);    }    public static String execBackup(String backName,String src_volume_list,String target_volume_list) throws HttpException, IOException{        HttpClient client = new HttpClient();        client.getHostConfiguration().setHost(ip,port,server_protocol);        //使用 POST 方式提交数据        NameValuePair[] values = new NameValuePair[5];        values[0] = new NameValuePair("AppName",appName);        values[1] = new NameValuePair("Service",backup_service);        values[2] = new NameValuePair("backName",backName);        values[3] = new NameValuePair("src_volume_list",src_volume_list);        values[4] = new NameValuePair("target_volume_list",target_volume_list);        HttpMethod method = getPostMethod(uri,values);        client.executeMethod(method);        //打印服务器返回的状态        System.out.println(method.getStatusLine()); // 打印结果页面        String response = new String(method.getResponseBodyAsString().getBytes("8859_1"));        method.releaseConnection();        //打印返回的信息        System.out.println(response);        return response;    }    public static String execRestore(String backName,String src_volume_list,String target_volume_list) throws HttpException, IOException{        HttpClient client = new HttpClient();        client.getHostConfiguration().setHost(ip,port,server_protocol);      //使用 POST 方式提交数据        NameValuePair[] values = new NameValuePair[5];        values[0] = new NameValuePair("AppName",appName);        values[1] = new NameValuePair("Service",restore_service);        values[2] = new NameValuePair("backName",backName);        values[3] = new NameValuePair("src_volume_list",src_volume_list);        values[4] = new NameValuePair("target_volume_list",target_volume_list);        HttpMethod method = getPostMethod(uri,values);        client.executeMethod(method);        //打印服务器返回的状态        System.out.println(method.getStatusLine()); // 打印结果页面        String response = new String(method.getResponseBodyAsString().getBytes("8859_1"));        method.releaseConnection();        //打印返回的信息        System.out.println(response);        return response;    }    //使用 GET 方式提交数据    public static HttpMethod getGetMethod() {        return new GetMethod("/simcard.php?simcard=1330227");    }    //使用 POST 方式提交数据    public static HttpMethod getPostMethod(String uri,NameValuePair[] parametersBody) {        PostMethod post = new PostMethod(uri);        post.setRequestBody(parametersBody);        return post;    }}

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